Solved papers for RAJASTHAN PMT Rajasthan - PMT Solved Paper-2000

done Rajasthan - PMT Solved Paper-2000 Total Questions - 400

• question_answer1) It is easier to wash clothes in hot water because:
  A)
  surface tension of hot water is more
  done clear
  B)
  surface tension of hot water is less
  done clear
  C)
  less soap is used
  done clear
  D)
  none of these
  done clear
  View Answer play_arrow

• question_answer2) Time period of a satellite ... on decreasing its height:
  A)
   will decrease   
  done clear
  B)
          will increase
  done clear
  C)
   will remain same
  done clear
  D)
         none of these
  done clear
  View Answer play_arrow

• question_answer3) A ball is released from certain height which looses 50% of its kinetic energy on striking the ground it will attain a height again:
  A)
  \[\frac{1}{4}\]th of initial height                 
  done clear
  B)
  \[\frac{1}{2}\]th of initial height
  done clear
  C)
   \[\frac{3}{4}\]th of initial height
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer4) The ratio of escape velocity and orbital velocity of satellite revolving near the earth:
  A)
   \[\sqrt{2}\]                       
  done clear
  B)
          2    
  done clear
  C)
   3                            
  done clear
  D)
          4
  done clear
  View Answer play_arrow

• question_answer5) When a load of 5 kg is hung on a wire then extension of 3 metre takes place, then work done will be:
  A)
   \[\text{75}\,\text{J}\]                  
  done clear
  B)
          \[60\,\text{J}\]
  done clear
  C)
   \[50\,\text{J}\]                               
  done clear
  D)
          \[100\,\text{J}\]
  done clear
  View Answer play_arrow

• question_answer6) The relation between time period (T) of a body and radius of circular orbit (r) is:
  A)
   \[{{T}^{2}}\propto {{r}^{3}}\]                    
  done clear
  B)
          \[T\propto {{r}^{3}}\]
  done clear
  C)
   \[T\propto r\]                  
  done clear
  D)
          \[T\propto {{r}^{4}}\]
  done clear
  View Answer play_arrow

• question_answer7) If applied torque on a system is zero, i.e., \[\tau =0\], then for that system:
  A)
   \[\omega =0\]                 
  done clear
  B)
          \[\alpha =0\]
  done clear
  C)
   \[J=0\]                
  done clear
  D)
          \[F=0\]
  done clear
  View Answer play_arrow

• question_answer8) A steel wire of 1 m long and 1 mm2 cross section area is hanged from rigid end when weight of 1 kg is hung from it then change in length will be (for wire Youngs coefficient \[Y=2\times {{10}^{11}}\,N/{{m}^{2}}\]):
  A)
   0.5 mm               
  done clear
  B)
          0.25 mm
  done clear
  C)
   0.05 mm             
  done clear
  D)
          5 mm
  done clear
  View Answer play_arrow

• question_answer9) Reason for weightlessness in satellite:
  A)
   zero gravity
  done clear
  B)
   centre of gravity
  done clear
  C)
   zero reaction force on plane of satellite
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer10) If solid sphere and solid cylinder of same mass and density rotate about their own axis, the moment of inertia will be greater for:
  A)
   solid sphere    
  done clear
  B)
          cylinder
  done clear
  C)
   equal for both                 
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer11) A satellite of mass\[{{m}_{s}}\] is moving in an orbit of radius R, then its angular momentum:
  A)
   \[\sqrt{G{{M}_{e}}{{m}_{s}}R}\]      
  done clear
  B)
          \[\sqrt{G{{M}_{e}}{{m}_{s}}^{2}R}\]
  done clear
  C)
   \[\frac{\sqrt{G{{M}_{e}}{{m}_{s}}^{2}}}{R}\]    
  done clear
  D)
          \[\frac{\sqrt{G{{M}_{e}}{{m}_{s}}}}{R}\]
  done clear
  View Answer play_arrow

• question_answer12) Contact angle of kerosen oil with solid surface is:
  A)
  \[0{}^\circ \]                      
  done clear
  B)
         \[90{}^\circ \]  
  done clear
  C)
  \[45{}^\circ \]                   
  done clear
  D)
         \[33{}^\circ \]
  done clear
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• question_answer13) True relation for triode valve is:
  A)
   \[\mu ={{r}_{P}}\times {{g}_{m}}\]        
  done clear
  B)
          \[\mu =\frac{{{g}_{m}}}{{{r}_{P}}}\]
  done clear
  C)
   \[\mu =2{{g}_{m}}\times {{r}_{p}}\]      
  done clear
  D)
          \[\mu =\frac{{{g}_{m}}}{{{r}_{p}}}\]
  done clear
  View Answer play_arrow

• question_answer14) When plate voltage in diode valve is increased from 100 volt to 150 volt. Then plate current increases from 7.5 mA to 12 mA, then dynamic plate resistance will be:
  A)
   10 \[k\Omega \]             
  done clear
  B)
          11\[k\Omega \]
  done clear
  C)
   15\[k\Omega \]              
  done clear
  D)
          11.1\[k\Omega \]
  done clear
  View Answer play_arrow

• question_answer15) A larger drop is made from two small drops each having 100 V, then voltage on the bigger drop is:
  A)
   100 V                   
  done clear
  B)
          200 V
  done clear
  C)
   156 V                   
  done clear
  D)
          \[100\times {{2}^{-2/3}}V\]
  done clear
  View Answer play_arrow

• question_answer16) Which of the following is a correct relation:
  A)
   \[\alpha =\frac{\beta }{1-\beta }\]         
  done clear
  B)
          \[\beta =\frac{\alpha }{1-\alpha }\]
  done clear
  C)
   \[\beta =\frac{\alpha }{1+\alpha }\]     
  done clear
  D)
          \[\alpha =\frac{\beta }{1+\alpha }\]
  done clear
  View Answer play_arrow

• question_answer17) If the sun rays are incidenting at \[60{}^\circ \] angle and intensity is \[I\]. If sun rays are made incident at \[30{}^\circ \] angle, then what will be the intensity?
  A)
   \[\frac{I}{\sqrt{3}}\]                     
  done clear
  B)
          \[\sqrt{3}I\]
  done clear
  C)
    \[3I\]                                  
  done clear
  D)
          \[\frac{I}{3}\]
  done clear
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• question_answer18) Value of forbidden energy gap for semi conductor is:
  A)
   1 eV                     
  done clear
  B)
          6 eV
  done clear
  C)
   0 eV                     
  done clear
  D)
          3 eV
  done clear
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• question_answer19) The reason of current flow in p-n junction in forward bias is:
  A)
   drifting of charge carriers
  done clear
  B)
   drifting of minority charge carriers
  done clear
  C)
   diffusion of charge carriers
  done clear
  D)
   all the above
  done clear
  View Answer play_arrow

• question_answer20) A current of 1 mA is flowing in conductor, then number of electrons passing through per second in conductor is:
  A)
   \[6.25\times {{10}^{17}}\]          
  done clear
  B)
          \[6.25\times {{10}^{15}}\]
  done clear
  C)
   \[1.6\,\times {{10}^{16}}\]         
  done clear
  D)
          \[1.6\,\times {{10}^{-16}}\]
  done clear
  View Answer play_arrow

• question_answer21) In a coil current changes from 2A to 4A in 0.05 second. If the average induced e.m.f. is 8 volt, then coefficient of self inductance is:
  A)
   0.2H                     
  done clear
  B)
          0.1H
  done clear
  C)
   0.8H                     
  done clear
  D)
          0.4 H
  done clear
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• question_answer22) A battery having e.m.f. 5 volt and internal resistance 0.5\[\Omega \] is connected with a resistance of 4.5\[\Omega \], then the voltage at the terminals of battery is:
  A)
   4.5 V                                    
  done clear
  B)
   4 V
  done clear
  C)
   0 V                        
  done clear
  D)
          2 V
  done clear
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• question_answer23) A charged particle is accelerated by a potential of 200 volt. If its velocity is \[8.4\times {{10}^{8}}m/s,\] then value of e/m for that particle is:
  A)
   \[17.6\times {{10}^{16}}\]          
  done clear
  B)
          \[14.5\times {{10}^{12}}\]
  done clear
  C)
   \[1.76\times {{10}^{15}}\]          
  done clear
  D)
          \[1.45\times {{10}^{15}}\]
  done clear
  View Answer play_arrow

• question_answer24) Thermoionic current is directly proportional to:
  A)
   \[{{T}^{1/2}}\]                 
  done clear
  B)
          \[{{T}^{3/2}}\] 
  done clear
  C)
   \[{{T}^{2}}\]                     
  done clear
  D)
          \[T\]
  done clear
  View Answer play_arrow

• question_answer25) Zener diode is used as:              
  A)
   an amplifier      
  done clear
  B)
          a rectifier
  done clear
  C)
   a oscillator         
  done clear
  D)
          a voltage regulator
  done clear
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• question_answer26) Ga As is a/an:                  
  A)
   element semiconductor       
  done clear
  B)
   alloy semiconductor            
  done clear
  C)
   bad conductor                
  done clear
  D)
   metalic semiconductor          
  done clear
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• question_answer27) Junction diode is used as:          
  A)
   a rectifier                           
  done clear
  B)
   an amplifier  
  done clear
  C)
   an indicator      
  done clear
  D)
          a modulator
  done clear
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• question_answer28) On giving 220 V to a resistor the power dissipated is 40 watt, then the value of resistance is:                       
  A)
   1210\[\Omega \]            
  done clear
  B)
          2000\[\Omega \]      
  done clear
  C)
   1000\[\Omega \]            
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer29) If each resistance in the figure is of 9\[\Omega \] then reading of ammeter is:           
  A)
   5 A                        
  done clear
  B)
          8 A  
  done clear
  C)
   2 A                        
  done clear
  D)
          9 A
  done clear
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• question_answer30) Intensity of light depends upon:
  A)
   amplitude         
  done clear
  B)
          frequency
  done clear
  C)
   wavelength      
  done clear
  D)
          none of these
  done clear
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• question_answer31) Velocity of sound is maximum in:
  A)
   \[{{H}_{2}}\]                     
  done clear
  B)
          \[{{N}_{2}}\]  
  done clear
  C)
   He                        
  done clear
  D)
          \[{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer32) If refractive index of a medium is 1.5, then velocity of light in that medium will be:
  A)
   \[10\times {{10}^{8}}\]                
  done clear
  B)
          \[2\times {{10}^{8}}\]
  done clear
  C)
   \[3\times {{10}^{8}}\]                  
  done clear
  D)
          \[4\times {{10}^{8}}\]
  done clear
  View Answer play_arrow

• question_answer33) Decible is the unit of:
  A)
   intensity of light
  done clear
  B)
   radiating power of X-rays
  done clear
  C)
   intensity of sound
  done clear
  D)
   energy of radiation
  done clear
  View Answer play_arrow

• question_answer34) Light enters into glass from air then its:
  A)
   frequency increases
  done clear
  B)
   frequency decreases
  done clear
  C)
   wavelength increases
  done clear
  D)
   wavelength decreases
  done clear
  View Answer play_arrow

• question_answer35) A real gas behaves like an ideal gas at:
  A)
   high temperature and low pressure
  done clear
  B)
   low temperature and high pressure
  done clear
  C)
   high temperature and high pressure
  done clear
  D)
   low temperature and low pressure
  done clear
  View Answer play_arrow

• question_answer36) Relation between pressure (P) and energy (E) for a unit volume of gas :
  A)
   \[E=\frac{3}{2}p\]          
  done clear
  B)
          \[E=\frac{2}{3}p\]
  done clear
  C)
   \[E=\frac{p}{3}\]            
  done clear
  D)
          \[E=3p\]
  done clear
  View Answer play_arrow

• question_answer37) Ratio of rms velocities of 02 and H2 at equal temperature will be :
  A)
   1 : 1                      
  done clear
  B)
          1 : 4  
  done clear
  C)
   2 : 1                      
  done clear
  D)
          4 : 1
  done clear
  View Answer play_arrow

• question_answer38) The colour of red glass in a dark room will be:
  A)
   green                  
  done clear
  B)
          indigo
  done clear
  C)
   black                    
  done clear
  D)
          yellow
  done clear
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• question_answer39) What will be the wave velocity, if the radar gives 5.4 waves per minute and wavelength of the given wave is 10 m?
  A)
   4m/s                                    
  done clear
  B)
   6m/s
  done clear
  C)
   0.9m/s                
  done clear
  D)
          5m/s
  done clear
  View Answer play_arrow

• question_answer40) Which of the following will remain constant in the phenomenon of refraction of light?
  A)
   Wavelength    
  done clear
  B)
          Velocity
  done clear
  C)
   Frequency        
  done clear
  D)
          None
  done clear
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• question_answer41) If distance between the molecules of a gas is doubled, then pressure will become (if initial presure is P):
  A)
  \[\frac{p}{4}\]                  
  done clear
  B)
          \[\frac{p}{2}\]
  done clear
  C)
   \[\frac{p}{8}\]                 
  done clear
  D)
          \[p\]
  done clear
  View Answer play_arrow

• question_answer42) When an open organ is dipped in water upto half of its height, then its frequency will become:
  A)
   half                      
  done clear
  B)
          double
  done clear
  C)
   remain same   
  done clear
  D)
          four time
  done clear
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• question_answer43) On basis of which property light waves can be differentiated from sound waves:
  A)
   interference    
  done clear
  B)
          diffraction
  done clear
  C)
   polarisaton       
  done clear
  D)
          reflection
  done clear
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• question_answer44) If position of a particle X is directly proportional to t2 then:
  A)
   velocity will be constant
  done clear
  B)
   acceleration will be constant
  done clear
  C)
   acceleration will be variable
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer45) Which of the following required no medium for propagation?
  A)
   Cathode rays
  done clear
  B)
   Electromagnetic rays
  done clear
  C)
   Sound waves
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer46) If wavelength of photon is \[6000\overset{\text{o}}{\mathop{\text{A}}}\,\], then its energy will be:
  A)
   0.66 eV               
  done clear
  B)
          1.66 eV
  done clear
  C)
   2.66 eV               
  done clear
  D)
          3.5 eV
  done clear
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• question_answer47) Which of the following particle has similar mass to electron?
  A)
   Proton                
  done clear
  B)
          Neutron
  done clear
  C)
   Positron             
  done clear
  D)
          Neutrino
  done clear
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• question_answer48) 1 amu is equivalent to:
  A)
   931 MeV            
  done clear
  B)
          0.51 eV
  done clear
  C)
   9.31 MeV           
  done clear
  D)
          1-02 MeV
  done clear
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• question_answer49) If half life of a substance is 38 days and its quantity is 10.38 g. Then quantity remaining left after 19 days will be:
  A)
   0.151 g                                
  done clear
  B)
   0.32g
  done clear
  C)
   0.51g                   
  done clear
  D)
          0.16g
  done clear
  View Answer play_arrow

• question_answer50) Boron rods in nuclear reactor are used as a:
  A)
   moderator        
  done clear
  B)
          control rods
  done clear
  C)
   coolent               
  done clear
  D)
          protectivc shield
  done clear
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• question_answer51) The number of free electrons in Si at normal temperature is:
  A)
   \[2.5\times {{10}^{6}}\,per\,c{{m}^{3}}\]
  done clear
  B)
             \[1.5\times {{10}^{10}}\,per\,c{{m}^{3}}\]
  done clear
  C)
   \[1.5\times {{10}^{13}}\,per\,c{{m}^{3}}\]               
  done clear
  D)
   \[2.5\times {{10}^{13}}\,per\,c{{m}^{3}}\]
  done clear
  View Answer play_arrow

• question_answer52) Zener breakdown will occur if:
  A)
   impurity level is high
  done clear
  B)
   impurity level is low
  done clear
  C)
   impurity level is less is n side
  done clear
  D)
   impurity level is less in p side
  done clear
  View Answer play_arrow

• question_answer53) A train is stopped by applying breaks, then it stops after covering 50 m. If initial velocity of train is double than before and train is stopped with same force, then the train will stop at a distance of:
  A)
   50 metre            
  done clear
  B)
          100 metre
  done clear
  C)
   200 metre         
  done clear
  D)
          400 metre
  done clear
  View Answer play_arrow

• question_answer54) A shell having a hole of radius r is dipped in water. It holds the water upto a depth h, then the value of r is:
  A)
   \[r=\frac{T}{2hdg}\]                      
  done clear
  B)
   \[r=\frac{\sqrt{2}T}{hdg}\]
  done clear
  C)
   \[r=\frac{T}{hdg}\]        
  done clear
  D)
          \[r=\frac{2T}{hdg}\]
  done clear
  View Answer play_arrow

• question_answer55) The energy of an electron in the excited state of H-atom is - 1.5 eV, then according to Bohrs model, its momentum will be:
  A)
   \[3.15\times {{10}^{-34}}\,J-\sec \]
  done clear
  B)
   \[1.82\times {{10}^{-34}}\,J-\sec \]
  done clear
  C)
   \[5.01\times {{10}^{-30}}\,J-\sec \]
  done clear
  D)
          \[7.14\times {{10}^{-31}}\,J-\sec \]
  done clear
  View Answer play_arrow

• question_answer56) A force of 10 N displaces an object by 1 m. If work done is 50 J, then direction of force makes an angle with direction of displacement:
  A)
  \[0{}^\circ \]                      
  done clear
  B)
         \[60{}^\circ \]  
  done clear
  C)
  \[90{}^\circ \]                   
  done clear
  D)
         \[30{}^\circ \]
  done clear
  View Answer play_arrow

• question_answer57) The work done against gravity in taking 10 kg mass at 1 metre height in 1 sec will be:
  A)
   98 J                       
  done clear
  B)
          150 J
  done clear
  C)
   600 J                    
  done clear
  D)
          980 J
  done clear
  View Answer play_arrow

• question_answer58) A swing is revolving in vertical plane, its height from ground in lowermost and uppermost position or 1 metre and 5 metre. Then its velocity at uppermost point will be:
  A)
   \[\sqrt{2}g\]                     
  done clear
  B)
          \[2\sqrt{g}\]  
  done clear
  C)
   \[2g\]                                  
  done clear
  D)
          \[4g\]
  done clear
  View Answer play_arrow

• question_answer59) \[dU+dW=0,\] is valid for:
  A)
   cyclic process  
  done clear
  B)
          isochoric process
  done clear
  C)
   adiabatic process           
  done clear
  D)
   isobaric process
  done clear
  View Answer play_arrow

• question_answer60) If mass number for an element is M and atomic number is Z, then number of neutrons will be:
  A)
   M - Z                    
  done clear
  B)
          Z - M
  done clear
  C)
   M + Z                   
  done clear
  D)
          Z
  done clear
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• question_answer61) If initial temperature of a gas is \[25{}^\circ C\] and its temperature is raised upto \[250{}^\circ C\], then its rms velocity:
  A)
   will decrease by a factor \[\sqrt{1.754}\]
  done clear
  B)
   will increase by a factor \[\sqrt{1.754}\]
  done clear
  C)
   will decrease by a factor \[\sqrt{10}\]
  done clear
  D)
   will increase by a factor \[\sqrt{10}\]
  done clear
  View Answer play_arrow

• question_answer62) Work function of a oxide coated metal surface will be:
  A)
   1.1 eV                                 
  done clear
  B)
   2.63 eV
  done clear
  C)
   4.52 eV               
  done clear
  D)
          75 eV
  done clear
  View Answer play_arrow

• question_answer63) Positron was discovered ill the year:
  A)
   1898                     
  done clear
  B)
          1902
  done clear
  C)
   1925                     
  done clear
  D)
          1932
  done clear
  View Answer play_arrow

• question_answer64) In the following figure distance of the point from A, when electric field intensity is zero:
  A)
   20 cm                  
  done clear
  B)
          10 cm     
  done clear
  C)
   33 cm                  
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer65) Prism of which material is used for study of infrared spectrum :               
  A)
   rock salt             
  done clear
  B)
          flint glass  
  done clear
  C)
   crown glass       
  done clear
  D)
          quartz  
  done clear
  View Answer play_arrow

• question_answer66)    Three capacitors of \[2\mu F,\]\[3\mu F,\] and \[6\mu F,\]are joined in scries with n battery of 10 volt, then amount of charge in\[3\mu F,\] capacitor will be:
  A)
   \[5\mu C\]                        
  done clear
  B)
          \[10\mu C\]
  done clear
  C)
   \[11\mu C\]                      
  done clear
  D)
          \[15\mu C\]
  done clear
  View Answer play_arrow

• question_answer67) An \[\alpha -\]particle moving perpendicularly to a magnetic field of \[0.2\,wb/metr{{e}^{2}},\] experiences a force of \[3.84\times {{10}^{-24}}N\]. Then speed of a particle will be:
  A)
   \[6\times {{10}^{5}}\,m/s\]       
  done clear
  B)
          \[5\times {{10}^{-5}}\,m/s\]
  done clear
  C)
   \[1.2\times {{10}^{6}}\,m/s\]  
  done clear
  D)
          \[3.8\,\times {{10}^{6}}\,m/s\]
  done clear
  View Answer play_arrow

• question_answer68) If a satellite revolving round the earth decreases its orbital radius, then its time period:
  A)
   decreases         
  done clear
  B)
          unchanged
  done clear
  C)
   increases           
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer69) Unit of magnetic flux is:
  A)
   ampere/metre2
  done clear
  B)
          weber
  done clear
  C)
   gauss                   
  done clear
  D)
          orested
  done clear
  View Answer play_arrow

• question_answer70) Equation of a progressive wave is \[y=a\,\sin \left( 400\pi t-\frac{\pi x}{0.85} \right),\]then its velocity will be:          
  A)
   34 m/s                
  done clear
  B)
          40 m/s
  done clear
  C)
   340 m/s              
  done clear
  D)
          400 m/s
  done clear
  View Answer play_arrow

• question_answer71) Magnetic moment of Ne will be:
  A)
   0                            
  done clear
  B)
          \[{{\mu }_{B}}\]
  done clear
  C)
   \[\sqrt{2}{{\mu }_{B}}\]                          
  done clear
  D)
          \[{{\sqrt{2\mu }}_{B}}\]
  done clear
  View Answer play_arrow

• question_answer72) To obtain beats, the minimum difference in the frequencies of two sources is:
  A)
   4 Hz                      
  done clear
  B)
          10 Hz
  done clear
  C)
   15 Hz                   
  done clear
  D)
          20 Hz
  done clear
  View Answer play_arrow

• question_answer73) Remaining quantity (in %) of radioactive element after 5 half lives:
  A)
   4.125%
  done clear
  B)
                                          3.125%
  done clear
  C)
   31.1%                  
  done clear
  D)
          42.125%
  done clear
  View Answer play_arrow

• question_answer74) When neutrons are bombarded on \[_{5}{{B}^{10}}\]then\[_{5}{{B}^{10}}+{{1}_{{{n}_{0}}}}\xrightarrow{{}}X{{+}_{2}}H{{e}^{4}},X\] is:
  A)
   \[_{3}L{{i}^{7}}\]                            
  done clear
  B)
          \[_{3}L{{i}^{6}}\]  
  done clear
  C)
   \[_{5}B{{e}^{8}}\]                          
  done clear
  D)
          \[_{5}B{{e}^{12}}\]
  done clear
  View Answer play_arrow

• question_answer75) 75.      Work function of a metal is \[5.26\text{ }\times {{10}^{-18}}\] then its threshold wavelength will be:
  A)
   \[736.7\,\overset{\text{o}}{\mathop{\text{A}}}\,\]      
  done clear
  B)
          \[760.7\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  C)
   \[301\,\overset{\text{o}}{\mathop{\text{A}}}\,\]          
  done clear
  D)
          \[344.4\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer76) The resistors whose ratio is 1 : 2, are connected in parallel, the ratio of power dissipated is:
  A)
   1 : 2                      
  done clear
  B)
          1 : 4  
  done clear
  C)
   4 : 1                      
  done clear
  D)
          2 : 1
  done clear
  View Answer play_arrow

• question_answer77) Hole are the charge carriers in:
  A)
   semiconductor
  done clear
  B)
          ionic solids
  done clear
  C)
   p-type semiconductor 
  done clear
  D)
   metals
  done clear
  View Answer play_arrow

• question_answer78) A radio station is transmitting the waves of wavelength 300m. Radiation capacity of the transmitter is 10 kW. Find out the number of photons which are emitting in per unit time:
  A)
   \[1.5\times {{10}^{35}}\]            
  done clear
  B)
          \[1.5\times {{10}^{31}}\]
  done clear
  C)
   \[1.5\times {{10}^{29}}\]            
  done clear
  D)
          \[1.5\times {{10}^{33}}\]
  done clear
  View Answer play_arrow

• question_answer79) Which of the following has maximum energy?
  A)
   Radio waves     
  done clear
  B)
          Infrared waves
  done clear
  C)
   Ultravoilet waves
  done clear
  D)
         Micro waves
  done clear
  View Answer play_arrow

• question_answer80) On increasing the temperature by \[1{}^\circ C\] of sound, its velocity increases by:
  A)
   0.6 m/s               
  done clear
  B)
          1.2 m/s
  done clear
  C)
   4 m/s                   
  done clear
  D)
          0
  done clear
  View Answer play_arrow

• question_answer81) A cylindrical wire is stretched upto twice of its length, then its resistance becomes :
  A)
   4 times               
  done clear
  B)
          unchanged
  done clear
  C)
   \[\frac{1}{2}\]times                      
  done clear
  D)
          2 times
  done clear
  View Answer play_arrow

• question_answer82) A person is standing on a moving platform spreading his arms. He suddenly contracts his  rms, his:
  A)
   angular momentum will increase.
  done clear
  B)
   moment of inertia will increase.
  done clear
  C)
   moment of inertia will decrease.
  done clear
  D)
   angular momentum remains same.
  done clear
  View Answer play_arrow

• question_answer83) A larger drop is made from two smaller drops, then energy :
  A)
   emitted              
  done clear
  B)
          absorbed
  done clear
  C)
   no exchange of heat    
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer84) A particle is moving with constant speed in horizontal circle of radius R. Then in completing half cycle:
  A)
   change in momentum is \[m\upsilon r\]
  done clear
  B)
   change in kinetic energy is\[\frac{1}{2}m\upsilon r\]
  done clear
  C)
   change in kinetic energy is \[m{{\upsilon }^{2}}\]
  done clear
  D)
   change in kinetic energy is zero
  done clear
  View Answer play_arrow

• question_answer85) A lift is ascending by acceleration g/3. What will be the time period of a simple pendulum, suspended from its cilling? If its time period in stationary life is T:
  A)
   \[\frac{T}{2}\]                  
  done clear
  B)
          \[\frac{\sqrt{3T}}{2}\]
  done clear
  C)
   \[\frac{\sqrt{3T}}{4}\]                  
  done clear
  D)
          \[\frac{T}{4}\]
  done clear
  View Answer play_arrow

• question_answer86) Equation for an ideal gas is:
  A)
   PV = RT                               
  done clear
  B)
   \[P{{V}^{\gamma }}\] = constant
  done clear
  C)
   \[{{C}_{P}}-{{C}_{P}}=R\]                            
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer87) A child is running towards a plane mirror with a velocity 5 m/s, then his image appears coming towards him with velocity:
  A)
   10 m/s                
  done clear
  B)
          2.5 m/s
  done clear
  C)
   5m/s                    
  done clear
  D)
          4m/s
  done clear
  View Answer play_arrow

• question_answer88) Which of the colour of light is maximum scattered?
  A)
   Red                      
  done clear
  B)
          Voilet
  done clear
  C)
   Blue                     
  done clear
  D)
          Green
  done clear
  View Answer play_arrow

• question_answer89) Image formed by a concave mirror of focal length 6 cm, is 3 times of the object, then the distance of object from mirror is:
  A)
   - 4 cm                  
  done clear
  B)
          8 cm
  done clear
  C)
   6 cm                     
  done clear
  D)
          12 cm
  done clear
  View Answer play_arrow

• question_answer90) Focal length of a plane mirror is:
  A)
   zero                     
  done clear
  B)
          infinite
  done clear
  C)
   very less            
  done clear
  D)
          indefinite
  done clear
  View Answer play_arrow

• question_answer91) Magnetic; field of earth is H = 0.3g, A magnet is vibrating 5 oscillations/ minute the  deppreciation required in the magnetic field of earth of increase time period uoto 10 oscillations minute:
  A)
   2.25 g                  
  done clear
  B)
          0.6g
  done clear
  C)
   0.9g                      
  done clear
  D)
          0.12g
  done clear
  View Answer play_arrow

• question_answer92) Torr is the unit of:
  A)
   pressure            
  done clear
  B)
          density
  done clear
  C)
   volume               
  done clear
  D)
          flux
  done clear
  View Answer play_arrow

• question_answer93) Who first discovered that white light consists of seven colours?
  A)
   Einestein           
  done clear
  B)
          Raman
  done clear
  C)
   Faraday              
  done clear
  D)
          Newton
  done clear
  View Answer play_arrow

• question_answer94) The energy obtained by accelerating an electron by a potential difference of 1 V:
  A)
   1 eV                     
  done clear
  B)
          2 J   
  done clear
  C)
   1 W                      
  done clear
  D)
          1 erg
  done clear
  View Answer play_arrow

• question_answer95) Angular momentum is:
  A)
   axial vector       
  done clear
  B)
          polar vector
  done clear
  C)
   scalar                   
  done clear
  D)
          vector
  done clear
  View Answer play_arrow

• question_answer96) The displacement (s) of a body is directly proportional to square of time (r), then its acceleration:
  A)
   increases           
  done clear
  B)
          remain constant
  done clear
  C)
   decreases         
  done clear
  D)
          zero         
  done clear
  View Answer play_arrow

• question_answer97) Kinetic energy of a gas is:       
  A)
   \[\frac{3}{2}KT\]                             
  done clear
  B)
          \[KT\]  
  done clear
  C)
   \[RT\]                                  
  done clear
  D)
           \[3KT\]
  done clear
  View Answer play_arrow

• question_answer98) Kinetic energy of a liquid on freezing:
  A)
   increases           
  done clear
  B)
          decreases    
  done clear
  C)
   remains same  
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer99) Ratio among linear expansion coefficient (\[\alpha \]), areal expansion coefficient (\[\beta \]) and volume expansion coefficient \[(\gamma )\] is:
  A)
   1: 2 : 3                 
  done clear
  B)
          3 : 2 : 1
  done clear
  C)
   4 : 3 : 2                
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer100) The force acting on unit length on unit parallel current carrying conductor:
  A)
   zero     
  done clear
  B)
                          \[\frac{{{\mu }_{0}}}{2\pi }\frac{{{i}_{1}}{{i}_{2}}}{r}\]
  done clear
  C)
   \[{{\mu }_{0}}\frac{^{i}{{1}^{i}}2}{{{r}^{2}}}\]    
  done clear
  D)
          \[\frac{^{i}{{1}^{i}}2}{r}\]
  done clear
  View Answer play_arrow

• question_answer101) \[C{{H}_{3}}CHO\]and \[C{{H}_{3}}COC{{H}_{3}}\]from addition products with:
  A)
   Phenyl hydrazine
  done clear
  B)
   \[{{H}_{2}}N.N{{H}_{2}}\]
  done clear
  C)
   Semi carbazide
  done clear
  D)
   \[HCN\]
  done clear
  View Answer play_arrow

• question_answer102) Carbinol is the trivial name for:
  A)
   Methyl alcohol
  done clear
  B)
   \[C{{H}_{3}}C{{H}_{2}}CHOHC{{H}_{3}}\]
  done clear
  C)
   Ethyl alcohol
  done clear
  D)
   \[{{(C{{H}_{3}})}_{3}}COH\]
  done clear
  View Answer play_arrow

• question_answer103) The order of polarity of \[C{{H}_{3}}I,\]\[C{{H}_{3}}Br\] and \[C{{H}_{3}}Cl\]molecule is:
  A)
   \[C{{H}_{3}}Cl>C{{H}_{3}}I>C{{H}_{3}}Br\]
  done clear
  B)
   \[C{{H}_{3}}I>C{{H}_{3}}Br>C{{H}_{3}}Cl\]
  done clear
  C)
   \[C{{H}_{3}}Cl>C{{H}_{3}}Br>C{{H}_{3}}I\]
  done clear
  D)
   \[C{{H}_{3}}Br>C{{H}_{3}}Cl>C{{H}_{3}}I\]
  done clear
  View Answer play_arrow

• question_answer104) Phenol reacts with \[B{{r}_{2}}\] in \[CC{{l}_{4}}\] at low temperature to give:
  A)
   O and p-bromo phenol
  done clear
  B)
   p-bromo phenol
  done clear
  C)
   2, 4, 6-tribromo phenol
  done clear
  D)
   m-bromo phenol
  done clear
  View Answer play_arrow

• question_answer105) Which of these is gem-dihalide?
  A)
   \[C{{H}_{3}}.\,CHB{{r}_{2}}\]
  done clear
  B)
   \[C{{H}_{2}}Br.\,C{{H}_{2}}Br\]
  done clear
  C)
   \[C{{H}_{3}}CHBr.C{{H}_{2}}Br\]
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer106) The nitro group in nitrobenzene is:
  A)
   Para directing
  done clear
  B)
   Ortho directing
  done clear
  C)
   Meta directing
  done clear
  D)
   Ortho and para directing
  done clear
  View Answer play_arrow

• question_answer107) Which of the following group combined and formed carboxylic group?
  A)
   2-carbonyl group
  done clear
  B)
   Carbonyl group + hydroxyl group
  done clear
  C)
   Both (a) and (b)
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer108) In methyl sprit:
  A)
   \[C{{H}_{3}}OH+pyridine+poision\text{ }product\]
  done clear
  B)
   \[C{{H}_{3}}OH+{{H}_{2}}O\]
  done clear
  C)
   \[{{C}_{2}}{{H}_{5}}OH+{{H}_{2}}O\]
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer109) In which of the following L.P.G. gas is:
  A)
   Lower pressure scale
  done clear
  B)
   Liquid petrolium gas
  done clear
  C)
   Low pressure gas
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer110) Halogenation of alkanes is a example of:
  A)
   Nucleophilic substitution
  done clear
  B)
   Oxidation
  done clear
  C)
   Electrophilic substitution
  done clear
  D)
   Free radical substitution
  done clear
  View Answer play_arrow

• question_answer111) Which of the molecule of minimum dipole moment?
  A)
   \[CO\]                                 
  done clear
  B)
   \[{{H}_{2}}O\] 
  done clear
  C)
          \[HCl\]                
  done clear
  D)
   \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer112) Compound formed by \[ds{{p}^{2}}\]hybridisation will have configuration:
  A)
   Octahedral     
  done clear
  B)
   Tetrahedral
  done clear
  C)
   Square planar  
  done clear
  D)
   Trigonal
  done clear
  View Answer play_arrow

• question_answer113) Which of the following colour give methyl orange indicator in acidic medium:
  A)
   Red 
  done clear
  B)
                                          Yellow 
  done clear
  C)
          Blue                     
  done clear
  D)
          Colourless
  done clear
  View Answer play_arrow

• question_answer114) The correct relationship between \[{{K}_{P}}\] and \[{{K}_{c}}\] in gaseous equilibrium is:
  A)
   \[{{K}_{p}}={{K}_{p}}{{(RT)}^{\Delta n}}\]
  done clear
  B)
   \[{{K}_{c}}=RT{{({{K}_{p}})}^{\Delta n}}\]
  done clear
  C)
   \[{{K}_{p}}={{K}_{c}}{{(RT)}^{\Delta n}}\]
  done clear
  D)
   \[{{K}_{p}}=RT{{({{K}_{c}})}^{\Delta n}}\]
  done clear
  View Answer play_arrow

• question_answer115) Which species should be least likely to act as a Lewis base?
  A)
   \[C{{N}^{-}}\]                  
  done clear
  B)
          \[PC{{l}_{3}}\] 
  done clear
  C)
   \[{{I}^{+}}\]             
  done clear
  D)
          \[SC{{l}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer116) Optical isomerism arises due to the presence of:
  A)
   a plane of symmetry
  done clear
  B)
   a centre of symmetry
  done clear
  C)
   a line symmetry
  done clear
  D)
   an asymmetric carbon atom
  done clear
  View Answer play_arrow

• question_answer117) The dissociation constants of two acid AB and \[A{{B}_{2}}\]are \[3.4\times {{10}^{-4}}\]and \[1.8\times {{10}^{5}}\] respectively. The relative strengths of the acids will approximately be:
  A)
  \[16:1\]               
  done clear
  B)
         \[1:4\]                  
  done clear
  C)
  \[1:16\]               
  done clear
  D)
         \[4:1\]
  done clear
  View Answer play_arrow

• question_answer118)  Which of the following statements is correct?
  A)
   A small anion undergoes a high degree of polarisation
  done clear
  B)
   Small sized of cation minimizes the polarisation
  done clear
  C)
   A small anion can cause large degree of polarisation
  done clear
  D)
   Polarisation of an anion is maximum by high charged cation.
  done clear
  View Answer play_arrow

• question_answer119) Baking soda is:
  A)
   \[NaHC{{O}_{3}}\] 
  done clear
  B)
                         \[NaN{{O}_{3}}\]
  done clear
  C)
   \[NaOH\] 
  done clear
  D)
   \[N{{a}_{2}}C{{O}_{3}}.10{{H}_{2}}O\]
  done clear
  View Answer play_arrow

• question_answer120) In which of the following chemical reduction is not possible?
  A)
   Hematite change into iron
  done clear
  B)
   cupratite change into copper
  done clear
  C)
   Bauxite change into aluminium
  done clear
  D)
   Zinc oxide change into zinc
  done clear
  View Answer play_arrow

• question_answer121) For hypothetical equlibrium \[4A+5B4X+6Y\] The unit of \[{{K}_{c}}\] will be:
  A)
   \[litre\text{ }mol{{e}^{-1}}\]
  done clear
  B)
   \[mole\,\,litr{{e}^{-1}}\]
  done clear
  C)
   \[litre\text{ }mol{{e}^{-2}}\]
  done clear
  D)
   \[mol{{e}^{2}}\text{ }litr{{e}^{-2}}\]
  done clear
  View Answer play_arrow

• question_answer122) In the following sequence of reaction the end product is: \[HC\equiv CH\xrightarrow[{{H}_{2}}S{{O}_{4}}]{H{{g}^{2+}}}A\xrightarrow[{{H}_{2}}O]{C{{H}_{3}}MgX}B\xrightarrow{O}C\]
  A)
   \[C{{H}_{3}}COC{{H}_{3}}\]
  done clear
  B)
   \[C{{H}_{3}}CHO\]
  done clear
  C)
  \[{{C}_{2}}{{H}_{5}}OH\]
  done clear
  D)
   \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH\]
  done clear
  View Answer play_arrow

• question_answer123) Hybridisation of carbon in \[-CHO\] group is:
  A)
   \[s{{p}^{3}}\]                   
  done clear
  B)
          \[sp\]                  
  done clear
  C)
   \[s{{p}^{2}}\]                   
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer124) The boiling point of \[{{C}_{2}}{{H}_{5}}OH\] is much higher than that of dimethyl ether, though both have the same molecular weight The reason for this is:
  A)
   Dipole moment of \[{{C}_{2}}{{H}_{5}}OH\]is less
  done clear
  B)
   Ether is insoluble in water
  done clear
  C)
   \[{{C}_{2}}{{H}_{5}}OH\]Shows hydrogen bonding
  done clear
  D)
   Methyl group are attached to oxygen in ether
  done clear
  View Answer play_arrow

• question_answer125) The starch change into glucose from this enzyme:
  A)
   amylase 
  done clear
  B)
                          invertase           
  done clear
  C)
          zymase               
  done clear
  D)
          urease
  done clear
  View Answer play_arrow

• question_answer126)  bad smelling substance. The bad smelling substance is:
  A)
   \[CH=CH\]
  done clear
  B)
   \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]
  done clear
  C)
   \[{{H}_{6}}{{H}_{5}}Cl\]
  done clear
  D)
   phenyl isocyanide
  done clear
  View Answer play_arrow

• question_answer127) When \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\] heated with \[{{C}_{6}}{{H}_{5}}CHO\] the product is:
  A)
   schiffs base
  done clear
  B)
   benzoin
  done clear
  C)
   azoxy benzene
  done clear
  D)
   unsaturated acid
  done clear
  View Answer play_arrow

• question_answer128) In which of the following dry ice is:
  A)
   solid \[{{H}_{2}}O\]      
  done clear
  B)
   solid \[C{{O}_{2}}\]
  done clear
  C)
   both (a) and (b)
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer129) Nitration of benzene followed by reduction with \[(Sn+HCl)\] will give:
  A)
   \[{{C}_{6}}{{H}_{5}}OH\]   
  done clear
  B)
   \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]
  done clear
  C)
   \[{{C}_{6}}{{H}_{5}}N{{O}_{2}}\]   
  done clear
  D)
   \[{{C}_{6}}{{H}_{5}}CN\]
  done clear
  View Answer play_arrow

• question_answer130) Which of the following will have least hindered rotation about carbon-carbon?
  A)
   \[{{C}_{2}}{{H}_{5}}\]
  done clear
  B)
   \[C{{H}_{2}}=C{{H}_{2}}\]
  done clear
  C)
   \[CH\equiv CH\]
  done clear
  D)
   Hexa chloro ethane
  done clear
  View Answer play_arrow

• question_answer131) \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}+HN{{O}_{2}}\xrightarrow{(NaN{{O}_{2}}/HCl)}X\] Product X is:
  A)
   nitrobenzene
  done clear
  B)
   benzene diazonium chloride
  done clear
  C)
   phenol
  done clear
  D)
   ethyl alcohol
  done clear
  View Answer play_arrow

• question_answer132) \[A+{{C}_{6}}{{H}_{5}}COCl\xrightarrow[\text{(Priedel}\,\text{Craft}\,\text{reaction)}]{Anhy\,AlC{{l}_{3}}}\] \[{{C}_{6}}{{H}_{5}}CO{{C}_{6}}{{H}_{5}}\]
  A)
   \[{{C}_{6}}{{H}_{6}}\]
  done clear
  B)
   \[C{{H}_{3}}-C=C-C{{H}_{3}}\]
  done clear
  C)
   \[C{{H}_{3}}CH=C{{H}_{2}}\]
  done clear
  D)
   \[CH=CH\]
  done clear
  View Answer play_arrow

• question_answer133) When excess of ethyl alcohol heated at \[{{140}^{o}}C\]with concentrate sulphuric acid the compound that distills is:
  A)
   \[{{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}}\]
  done clear
  B)
   ethyl hydrogen sulphate
  done clear
  C)
   \[C{{H}_{2}}=C{{H}_{2}}\]
  done clear
  D)
   di ethyl sulphate
  done clear
  View Answer play_arrow

• question_answer134) Acetamide and urea can be distinguished by employing:
  A)
   Biurete test
  done clear
  B)
   Lucas reagent
  done clear
  C)
   Victor Maeyers test
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer135) When aniline react with \[HN{{O}_{2}}\] \[(NaN{{O}_{2}}+HCl)\] formed diazonium chloride which react \[{{H}_{3}}P{{O}_{2}}\] gives:
  A)
   \[CH=CH\]         
  done clear
  B)
   \[{{C}_{6}}{{H}_{6}}\]   
  done clear
  C)
          \[C{{H}_{2}}=C{{H}_{2}}\]   
  done clear
  D)
          \[C{{H}_{3}}-C{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer136) Paraldehyde is:
  A)
   a trimer of \[HCHO\]
  done clear
  B)
   a trimer of \[C{{H}_{3}}CHO\]
  done clear
  C)
   a hexamer of \[HCHO\]
  done clear
  D)
   a hexamer of \[C{{H}_{3}}CHO\]
  done clear
  View Answer play_arrow

• question_answer137) Phosgene is the common name for:
  A)
   \[CC{{l}_{4}}\]
  done clear
  B)
   \[C{{O}_{2}}+P{{H}_{3}}\]
  done clear
  C)
   phosphoryl chloride
  done clear
  D)
   carbonyl chloride
  done clear
  View Answer play_arrow

• question_answer138) Which of the following reagent is used to distinguish between \[C{{H}_{3}}CHO\]and \[C{{H}_{3}}COC{{H}_{3}}\]?
  A)
   Semicarbazide
  done clear
  B)
   Phenyl hydrazine
  done clear
  C)
   Hydroxy amine
  done clear
  D)
   Ammonical \[AgN{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer139) If chloroform is left open in air in presence of sun-rays:
  A)
   phosgene gas is formed
  done clear
  B)
   explosion takes place
  done clear
  C)
   polymerisation take place
  done clear
  D)
   no reaction take place
  done clear
  View Answer play_arrow

• question_answer140) Which of the following is used to distinguish between acetamide and ammonium acetate?
  A)
   Reaction with \[FeC{{l}_{3}}\]
  done clear
  B)
   Reaction with Fehling solution
  done clear
  C)
   Reaction with \[~NaOH\]
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer141) Which of the following is the weakest base?
  A)
  \[N{{H}_{3}}\]          
  done clear
  B)
   \[{{(C{{H}_{3}})}_{2}}NH\]
  done clear
  C)
   \[C{{H}_{3}}N{{H}_{2}}\]   
  done clear
  D)
   \[{{(C{{H}_{3}})}_{3}}N\]
  done clear
  View Answer play_arrow

• question_answer142) \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\xrightarrow[{{0}^{o}}-{{5}^{o}}C]{NaN{{O}_{2}}/HCl}{{C}_{6}}{{H}_{5}}{{\overset{+}{\mathop{N}}\,}_{2}}Cl\] \[\xrightarrow[CuS{{O}_{4}}]{KCN}A\] product A is:
  A)
   \[{{C}_{6}}{{H}_{5}}OH\]     
  done clear
  B)
   \[{{C}_{6}}{{H}_{5}}HS{{O}_{3}}\]
  done clear
  C)
   \[{{C}_{6}}{{H}_{5}}CN\]      
  done clear
  D)
   \[{{C}_{6}}{{H}_{5}}Cl\]
  done clear
  View Answer play_arrow

• question_answer143) The bond present in methane is:
  A)
   \[4\sigma \] bond and zero \[\pi \] bond
  done clear
  B)
   \[4\pi \] bond \[4\pi \] bond
  done clear
  C)
   zero \[\sigma \] bond \[4\pi \] bond
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer144) The possible isomer of \[{{C}_{3}}{{H}_{6}}O\] is:
  A)
   \[2\]                                    
  done clear
  B)
   \[1\]                    
  done clear
  C)
          \[3\]                    
  done clear
  D)
          \[8\]
  done clear
  View Answer play_arrow

• question_answer145) Which of the following passage in \[C{{O}_{2}}\] whose does milky of solution?
  A)
   \[CaO\]          
  done clear
  B)
   \[Ca{{(OH)}_{2}}\]
  done clear
  C)
   \[CaC{{O}_{3}}\]        
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer146) Which electronic configuration of neutral atom will have the highest  first potential:         
  A)
   \[1{{s}^{2}},2{{s}^{2}}\text{ }2{{p}^{4}}\]
  done clear
  B)
   \[1{{s}^{2}},2{{s}^{2}}\text{ }2{{p}^{1}}\]
  done clear
  C)
   \[1{{s}^{2}},2{{s}^{2}}\text{ }2{{p}^{3}}\]
  done clear
  D)
   \[1{{s}^{2}},2{{s}^{2}}\text{ }2{{p}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer147) Acid group is:
  A)
   \[O-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-H\]
  done clear
  B)
   
  done clear
  C)
   \[H-C=O\]
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer148) The Cannizzaros reaction is not given by:
  A)
   \[{{C}_{6}}{{H}_{5}}OH\]
  done clear
  B)
   \[HCHO\]
  done clear
  C)
   \[C{{H}_{3}}CHO\]
  done clear
  D)
   trimethyl aldehyde
  done clear
  View Answer play_arrow

• question_answer149) Maximum paramagnetism in 3d series is shown by:
  A)
   \[Co\]                                 
  done clear
  B)
   \[Fe\]                  
  done clear
  C)
   \[Ni\]                  
  done clear
  D)
          \[Mn\]
  done clear
  View Answer play_arrow

• question_answer150) At \[{{90}^{o}}C\]pure water has \[[{{H}_{3}}{{O}^{+}}]={{10}^{-6}}\] \[mole\text{ }litr{{e}^{-1}},\]the value of \[{{K}_{\omega }}\] at \[{{90}^{o}}C\]is:
  A)
   \[{{10}^{-14}}\]               
  done clear
  B)
          \[{{10}^{-12}}\]               
  done clear
  C)
          \[{{10}^{-8}}\]                 
  done clear
  D)
          \[{{10}^{-6}}\]
  done clear
  View Answer play_arrow

• question_answer151) Electron occupy the available sub level which has lower \[(n+l)\] value. This is called:
  A)
   Aufbau rule
  done clear
  B)
   Faults exclusion principle
  done clear
  C)
   Hunds rule
  done clear
  D)
   Heisenberg uncertainty principle
  done clear
  View Answer play_arrow

• question_answer152) The oxidation number of \[Cr\] in \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] is:
  A)
   \[+6\]                  
  done clear
  B)
          \[-6\]                   
  done clear
  C)
   \[+4\]                  
  done clear
  D)
          \[-4\]
  done clear
  View Answer play_arrow

• question_answer153) Which represents nitrolium?
  A)
   \[CaC{{N}_{2}}+C\]
  done clear
  B)
   \[Ca{{C}_{2}}+{{N}_{2}}\]
  done clear
  C)
   \[Ca{{(CN)}_{2}}+Ca{{(N{{O}_{3}})}_{2}}\]
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer154) For \[n=3\]the value of I and m respectively are:
  A)
   \[3,9\]          
  done clear
  B)
          \[3,6\]                 
  done clear
  C)
   \[9,3\]                 
  done clear
  D)
          \[6,3\]
  done clear
  View Answer play_arrow

• question_answer155) The solvent which is neither proton donor nor proton accepter is called:
  A)
   protonic        
  done clear
  B)
          aprotic
  done clear
  C)
          amphoteric    
  done clear
  D)
          neutral
  done clear
  View Answer play_arrow

• question_answer156) Which is not permissible sub shell:
  A)
   \[3s\]                  
  done clear
  B)
          \[4f\]                   
  done clear
  C)
   \[6p\]                  
  done clear
  D)
          \[2d\]
  done clear
  View Answer play_arrow

• question_answer157) Which have high penetrating power?
  A)
   \[\alpha \] rays               
  done clear
  B)
          \[\beta \] rays 
  done clear
  C)
          \[\gamma \] rays      
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer158) Alkali metals are characterized by:
  A)
   high melting points
  done clear
  B)
   high ionization potential
  done clear
  C)
   low oxidation potential
  done clear
  D)
   good conductor of heat and electricity
  done clear
  View Answer play_arrow

• question_answer159) How many \[\pi \]  bond are there in \[C{{O}_{2}}\]molecule?
  A)
   \[2\pi \] bond                  
  done clear
  B)
   \[4\pi \] bond  
  done clear
  C)
   \[3\pi \]bond                   
  done clear
  D)
          zero
  done clear
  View Answer play_arrow

• question_answer160) In benzene \[C-C\]bond length than acetylene will be:
  A)
   higher                                 
  done clear
  B)
   lower
  done clear
  C)
   middle                
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer161) \[[{{H}^{+}}]\] ion concentration in water is:
  A)
   \[0\]                    
  done clear
  B)
          \[1\times {{10}^{-7}}\] 
  done clear
  C)
          \[7\]                    
  done clear
  D)
          \[1/4\]
  done clear
  View Answer play_arrow

• question_answer162) Which of the following is paramagnetic?
  A)
   \[{{O}_{2}}^{-}\]             
  done clear
  B)
          \[C{{H}_{3}}\]  
  done clear
  C)
   \[CO\]                 
  done clear
  D)
          \[N{{O}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer163) The IUPAC name of \[C{{H}_{3}}-\overset{C{{H}_{2}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,H-C{{H}_{2}}-\overset{Cl}{\mathop{\overset{|}{\mathop{C}}\,}}\,H-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-C{{H}_{3}}\]is:
  A)
   3-chloro-5-methyl 2-hexanon
  done clear
  B)
   5-methyl -3 chloro 2-hexanon
  done clear
  C)
   both (a) and (b)
  done clear
  D)
   none of these                 
  done clear
  View Answer play_arrow

• question_answer164) Select the correct order of the strength of acids given below:
  A)
   \[HCl{{O}_{4}}<HCl{{O}_{3}}<HClO<HCl{{O}_{2}}\]
  done clear
  B)
   \[HCl{{O}_{4}}<HCl{{O}_{3}}<HCl{{O}_{2}}<HClO\]
  done clear
  C)
   \[HClO<HCl{{O}_{2}}<HCl{{O}_{3}}<HCl{{O}_{4}}\]
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer165) Effect of catalyst in any reaction is:
  A)
   the rate of reaction increases
  done clear
  B)
   reactant increases
  done clear
  C)
   product increases
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer166) Which of the following has fractional bond order?
  A)
   \[{{H}_{2}}^{2+}\] 
  done clear
  B)
          \[{{O}_{2}}^{2-}\]
  done clear
  C)
   \[{{O}_{2}}^{2+}\]                         
  done clear
  D)
          \[{{F}_{2}}^{2-}\]
  done clear
  View Answer play_arrow

• question_answer167) Which of the base of \[C{{H}_{3}}COOH\]?
  A)
   \[C{{H}_{3}}CO{{O}^{-}}\]
  done clear
  B)
   \[C{{H}_{3}}COOH\]
  done clear
  C)
   both (a) and (b)
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer168) \[2\text{ }moles\]of \[PC{{l}_{5}}\] were heated in a closed vessels of 2 litre capacity at equilibrium 40% of \[PC{{l}_{5}}\] dissociated in \[PC{{l}_{3}}\] and \[C{{l}_{2}}\]. The value of the equilibrium constant is:
  A)
   \[2.67\]             
  done clear
  B)
          \[5.3\]
  done clear
  C)
   \[0.53\]              
  done clear
  D)
          \[0.267\]
  done clear
  View Answer play_arrow

• question_answer169) \[\pi \] bond in \[{{N}_{2}}\] is:
  A)
   \[2\]      
  done clear
  B)
   \[3\]
  done clear
  C)
   \[1\]                    
  done clear
  D)
          zero
  done clear
  View Answer play_arrow

• question_answer170) The screening effect of d-electrons is:
  A)
   less than p-electron
  done clear
  B)
   more than p-electron
  done clear
  C)
   equal to the p-electron
  done clear
  D)
   same as p-electron
  done clear
  View Answer play_arrow

• question_answer171) The purpose of smelting of an ore is:
  A)
   to separate volatile impurities
  done clear
  B)
   to reduce it
  done clear
  C)
   to oxidize it
  done clear
  D)
   to obtain an alloy                       
  done clear
  View Answer play_arrow

• question_answer172) When \[FeC{{l}_{3}}\] react with acetate which colour is obtained?
  A)
   Blood colour   
  done clear
  B)
   Colorless
  done clear
  C)
   Red          
  done clear
  D)
   Yellow
  done clear
  View Answer play_arrow

• question_answer173) One among the following is incorrect order in increasing ionisation energy:
  A)
   \[Ka<Ca<Cs\]
  done clear
  B)
   \[Au<Ag<Cu\]
  done clear
  C)
   \[C{{l}^{-}}<Ar<{{K}^{+}}\]   
  done clear
  D)
   \[Cs<RB<K\]
  done clear
  View Answer play_arrow

• question_answer174) The equilibrium constants for equilibria: \[S{{O}_{2}}(g)+\frac{1}{2}{{O}_{2}}(g)S{{O}_{3}}(g)\] and \[2S{{O}_{2}}(g)+{{O}_{2}}(g)2S{{O}_{3}}(g)\] are \[{{K}_{1}}\] and \[{{K}_{2}}\] respectively, then:
  A)
   \[{{K}_{2}}={{K}_{1}}^{2}\]
  done clear
  B)
   \[{{K}_{2}}=\frac{1}{{{K}_{{{1}^{2}}}}}\]
  done clear
  C)
   \[{{K}_{2}}={{K}_{1}}\]
  done clear
  D)
   \[{{K}_{2}}=\frac{1}{{{K}_{1}}}\]
  done clear
  View Answer play_arrow

• question_answer175) The bond angle in \[P{{H}_{3}}\] is:
  A)
   slightly more than \[N{{H}_{3}}\]
  done clear
  B)
   much greater than \[N{{H}_{3}}\]
  done clear
  C)
   equal to that of \[N{{H}_{3}}\]
  done clear
  D)
   much less than \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer176) Of the solubility product \[{{K}_{sp}}\] of a sparingly soluble salt \[A{{X}_{2}}\] at \[{{25}^{o}}C\]is  \[1\times {{10}^{-11}}\]. The solubility of the salt in mole \[litr{{e}^{-1}}\]at this temperature will be:
  A)
   \[1.20\times {{10}^{-10}}\]
  done clear
  B)
   \[1.36\times {{10}^{-4}}\]
  done clear
  C)
   \[2.60\times {{10}^{-7}}\]
  done clear
  D)
   \[2.46\times {{10}^{14}}\]
  done clear
  View Answer play_arrow

• question_answer177) In acidic medium phenolphthalien gives:
  A)
   red colour     
  done clear
  B)
   yellow colour
  done clear
  C)
   colorless      
  done clear
  D)
   blue colour
  done clear
  View Answer play_arrow

• question_answer178) Heavy water is:
  A)
   \[{{H}_{2}}O\]           
  done clear
  B)
   \[{{D}_{2}}O\]
  done clear
  C)
   both (a) and (b)
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer179) Hydrogen can be placed in halogen group because:
  A)
   It contains one electron only
  done clear
  B)
   It forms hydrides like chloride
  done clear
  C)
   It is light
  done clear
  D)
   It has isotopes D and T
  done clear
  View Answer play_arrow

• question_answer180) The correct representation of solubility product of \[Sn{{S}_{2}}\] is:                       
  A)
   \[[S{{n}^{4+}}]\,[2{{S}^{2-}}]\]
  done clear
  B)
   \[[S{{n}^{4+}}]\,[{{S}^{2-}}]\]
  done clear
  C)
   \[[S{{n}^{4+}}]\,{{[2{{S}^{2+}}]}^{2}}\]
  done clear
  D)
   \[[S{{n}^{4+}}]\,{{[{{S}^{2-}}]}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer181) The minimum real charge on any particle which can exist is:
  A)
   \[4.8\times {{10}^{-10}}\]coulomb
  done clear
  B)
   \[1.6\times {{10}^{-19}}\]coulomb
  done clear
  C)
   \[1.6\times {{10}^{-10}}\]coulomb
  done clear
  D)
   zero        
  done clear
  View Answer play_arrow

• question_answer182)                        Hydrolysis of product which formed reaction between ketone and G.R. gives:
  A)
   \[(C{{H}_{3}})CHO\]
  done clear
  B)
   \[{{C}_{2}}{{H}_{5}}OH\]
  done clear
  C)
   \[C{{H}_{3}}OH\]       
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer183) The first organic compound urea was synthesised by in the laboratory:
  A)
   Berzilius       
  done clear
  B)
   Wohler
  done clear
  C)
   Kolbe         
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer184) In d-subshell electron is:
  A)
   less than p     
  done clear
  B)
   equal to p
  done clear
  C)
   more than s    
  done clear
  D)
   more than f
  done clear
  View Answer play_arrow

• question_answer185) When   react with \[{{H}_{2}}O\] gives:
  A)
   \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\]
  done clear
  B)
   \[C{{H}_{3}}COOH\]
  done clear
  C)
   \[{{C}_{2}}{{H}_{5}}OH\]
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer186) Diethyl ether decomposes on heating with:
  A)
   \[{{H}_{2}}O\]                 
  done clear
  B)
          \[KMn{{O}_{4}}\]           
  done clear
  C)
          \[HI\]         
  done clear
  D)
          \[NaOH\]
  done clear
  View Answer play_arrow

• question_answer187) Alkynes shows:
  A)
   substitution reaction
  done clear
  B)
   polymerization
  done clear
  C)
   electrophilic addition reaction
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer188) The hydrogen ion concentration in a solution of weak acid of dissociation constant \[{{K}_{a}}\]  and concentration C is nearly equal to:
  A)
   \[{{K}_{a}}.C\] 
  done clear
  B)
                                          \[C/{{K}_{a}}\]
  done clear
  C)
          \[\sqrt{{{K}_{a}}.C}\]                    
  done clear
  D)
          \[\sqrt{{{K}_{a}}/C}\]
  done clear
  View Answer play_arrow

• question_answer189)  Alkaline earth metals salts are:
  A)
   paramagnetic  
  done clear
  B)
   diamagnetic
  done clear
  C)
   ferromagnetic  
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer190) The weakest acid among the following is:
  A)
   \[HF\]       
  done clear
  B)
          \[HBr\]
  done clear
  C)
          \[HI\]                  
  done clear
  D)
          \[HCl\]
  done clear
  View Answer play_arrow

• question_answer191) Magnetic quantum number specifies:
  A)
   orientation of orbitals in space
  done clear
  B)
   size of orbitals
  done clear
  C)
   shape of orbitals
  done clear
  D)
   spin of the electron
  done clear
  View Answer play_arrow

• question_answer192) Which of the following is less soluble in water?
  A)
   \[Bi{{S}_{3}}(Ksp=1\times {{10}^{-70}})\]
  done clear
  B)
   \[A{{g}_{2}}S(Ksp=6\times {{10}^{-51}})\]
  done clear
  C)
   \[ZnS(Ksp=7\times {{10}^{-16}})\]
  done clear
  D)
   \[MnS(KSP=8\times {{10}^{-37}})\]
  done clear
  View Answer play_arrow

• question_answer193) Rusting of iron m moist air involves:
  A)
   loss of electron by \[Fe\]
  done clear
  B)
   gain of electron by \[Fe\]
  done clear
  C)
   hydration of \[Fe\]
  done clear
  D)
   neither gain nor loss electron by \[Fe\]
  done clear
  View Answer play_arrow

• question_answer194) The mass of neutron is of the order of:
  A)
   \[{{10}^{-27}}kg\]
  done clear
  B)
   \[{{10}^{-26}}kg\]
  done clear
  C)
   \[{{10}^{-24}}kg\]
  done clear
  D)
   \[{{10}^{-23}}kg\]
  done clear
  View Answer play_arrow

• question_answer195) The isomerism exhibited by n-butyl alcohol and isobutyl alcohol is:
  A)
   metamerism
  done clear
  B)
   position isomerism
  done clear
  C)
   chain isomerism
  done clear
  D)
   functional isomerism
  done clear
  View Answer play_arrow

• question_answer196)   Product A is:
  A)
   \[C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}\]
  done clear
  B)
   \[C{{H}_{3}}COOC{{H}_{3}}\]
  done clear
  C)
   \[C{{H}_{3}}C{{H}_{2}}COO{{C}_{2}}{{H}_{5}}\]
  done clear
  D)
   \[C{{H}_{2}}C{{H}_{2}}COOH\]
  done clear
  View Answer play_arrow

• question_answer197) \[X\xrightarrow[{{O}_{3}}]{Ozonolysis}C{{H}_{3}}CHO+C{{H}_{3}}C{{H}_{2}}CHO.\] X is:
  A)
   2-butene       
  done clear
  B)
   2-pentene
  done clear
  C)
   1-pentene      
  done clear
  D)
   1-butene
  done clear
  View Answer play_arrow

• question_answer198) Urea is not used:    
  A)
   in the preparation of medicines
  done clear
  B)
   in purification of water
  done clear
  C)
   as fertilizer
  done clear
  D)
   in manufacture of plastic
  done clear
  View Answer play_arrow

• question_answer199) Which pair represents chain isomers?
  A)
   2-methyl butane and neopentane
  done clear
  B)
   \[C{{H}_{3}}CHC{{l}_{2}}\]and \[ClC{{H}_{2}}C{{H}_{2}}Cl\]
  done clear
  C)
   Dethyl ether and propyl ether
  done clear
  D)
   Propyl alcohol and isopropyl alcohol
  done clear
  View Answer play_arrow

• question_answer200) Hydrogen bromide is added to \[C{{H}_{3}}CH=C{{H}_{2}}\]in the presence of peroxide. The resultant compound formed is:
  A)
   \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Br\]
  done clear
  B)
   \[C{{H}_{3}}CHBr.C{{H}_{3}}\]
  done clear
  C)
   \[{{C}_{2}}{{H}_{5}}C{{H}_{2}}Br\]
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer201) Giraffe is common animal of:
  A)
   desert                                 
  done clear
  B)
   savannah
  done clear
  C)
   rain forest         
  done clear
  D)
          praire
  done clear
  View Answer play_arrow

• question_answer202) Conversion of PEP to pyruvate is influenced by:
  A)
   \[M{{g}^{+++\,}}\]\[C{{a}^{+\,}}\]                         
  done clear
  B)
  \[N{{a}^{++\,}}+C{{a}^{++}}\]
  done clear
  C)
  \[{{K}^{+\,}}+C{{1}^{-}}\]            
  done clear
  D)
          \[M{{g}^{++\,}}+{{K}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer203) Dihydroxy acetone is formed by catalysis of the following enzymes :
  A)
   aldolase                             
  done clear
  B)
   PFK
  done clear
  C)
   PEPCK                 
  done clear
  D)
          phosphoglucoisomerase
  done clear
  View Answer play_arrow

• question_answer204) Which one have lophophore?
  A)
   Waldeimia                         
  done clear
  B)
   Wallago
  done clear
  C)
   Wall lizard          
  done clear
  D)
          Heart urchin
  done clear
  View Answer play_arrow

• question_answer205) Which animal is roofed terrapin?
  A)
   Trionys                               
  done clear
  B)
   Kachuga tectum
  done clear
  C)
   Chrysemys        
  done clear
  D)
          Chelone
  done clear
  View Answer play_arrow

• question_answer206) In man erythrocytes are found in:
  A)
   0.5 million per microliter
  done clear
  B)
   8.0 million per microliter
  done clear
  C)
    5.0 million per microliter          
  done clear
  D)
   10-0 million per microliter
  done clear
  View Answer play_arrow

• question_answer207) Which one of the following acts on local messenger?
  A)
   Carrier protein                
  done clear
  B)
   Glycoprotein
  done clear
  C)
   Phospholipid   
  done clear
  D)
          Nitric oxide
  done clear
  View Answer play_arrow

• question_answer208) Oxytocin is released from :
  A)
   hypothalamus                 
  done clear
  B)
   adenohypophysis (posterior lobe)
  done clear
  C)
   adenohypophysis (anterior lobe)
  done clear
  D)
   neurohypophysis
  done clear
  View Answer play_arrow

• question_answer209) What is the molecular weight to insulin?
  A)
   6000                                     
  done clear
  B)
   5000
  done clear
  C)
   4000                     
  done clear
  D)
          15000
  done clear
  View Answer play_arrow

• question_answer210) Parathormone controls :
  A)
   calcium and phosphate metabolism
  done clear
  B)
   Na and K metabolism
  done clear
  C)
   fatty acid metabolism
  done clear
  D)
   protein metabolism
  done clear
  View Answer play_arrow

• question_answer211) Which one is detritus feeder?
  A)
   Parrot                                 
  done clear
  B)
   Unio
  done clear
  C)
   Dung beetle    
  done clear
  D)
          Sheep
  done clear
  View Answer play_arrow

• question_answer212) Cortical granules are associated with :
  A)
   fertilization                       
  done clear
  B)
   sperma to genesis
  done clear
  C)
   oogenes is        
  done clear
  D)
          cleavage
  done clear
  View Answer play_arrow

• question_answer213) Which of the following type of egg is found in Frog?
  A)
   Isolecithal                          
  done clear
  B)
   Centrolecithal
  done clear
  C)
   Oligolecithal     
  done clear
  D)
          Teleolecithal
  done clear
  View Answer play_arrow

• question_answer214) The number of eggs in ootheca of Cockroach is :
  A)
   8                                            
  done clear
  B)
   16
  done clear
  C)
   32                         
  done clear
  D)
          64
  done clear
  View Answer play_arrow

• question_answer215) Mentomeckelian is specially characteristic bone of:
  A)
   Raw tigrina                       
  done clear
  B)
   Equns
  done clear
  C)
   Bos indicus        
  done clear
  D)
          Felis domesticus
  done clear
  View Answer play_arrow

• question_answer216) Which one of the following animal contains idiophores in its integument?
  A)
   Dog fish                              
  done clear
  B)
   Parrot
  done clear
  C)
   Siren                    
  done clear
  D)
          Orangeutan
  done clear
  View Answer play_arrow

• question_answer217) In both chordates and non-choradates intestine develops from :
  A)
   ectoderm                          
  done clear
  B)
   pharyngeal pouch
  done clear
  C)
   endoderm        
  done clear
  D)
          mesoderm
  done clear
  View Answer play_arrow

• question_answer218) In which of the following mosaic cleavage occurs?
  A)
   Echinococcus granulosus
  done clear
  B)
   Camel
  done clear
  C)
   Whale                 
  done clear
  D)
          Dog fish
  done clear
  View Answer play_arrow

• question_answer219) In which one moeroblastic segmentation is found:
  A)
   Dog                                      
  done clear
  B)
   Monkey
  done clear
  C)
   Owl                      
  done clear
  D)
          Rhinoceros
  done clear
  View Answer play_arrow

• question_answer220) Km is related to :
  A)
   morphometry                 
  done clear
  B)
   ABO blood group
  done clear
  C)
   ES complex       
  done clear
  D)
          chroma tography
  done clear
  View Answer play_arrow

• question_answer221) Platelet plug is associated with :
  A)
   hcmostasis                        
  done clear
  B)
   clot retraction
  done clear
  C)
   fibrin formation
  done clear
  D)
          homcostasis
  done clear
  View Answer play_arrow

• question_answer222) In Rabbit what is the number of spinal nerves?
  A)
   37                                         
  done clear
  B)
   30
  done clear
  C)
   32                         
  done clear
  D)
          38
  done clear
  View Answer play_arrow

• question_answer223) Which one of the following mouth parts arc found in Cockroach?
  A)
   Cutting and chewing     
  done clear
  B)
   Piercing
  done clear
  C)
   Sucking               
  done clear
  D)
          Drilling
  done clear
  View Answer play_arrow

• question_answer224) In Periplaneta the cuticular lipid is secreted by:
  A)
   hypudermal cells            
  done clear
  B)
   oenocyte cells
  done clear
  C)
   dermal gland cells          
  done clear
  D)
   basal ceils
  done clear
  View Answer play_arrow

• question_answer225) In Pheretima blood glands are found in which of the following segments?
  A)
   1, 2, 3                                  
  done clear
  B)
   7, 8, 9
  done clear
  C)
   4, 5, 6                  
  done clear
  D)
          10, 11, 12
  done clear
  View Answer play_arrow

• question_answer226) How many lateral hearts are in Pheretima?
  A)
   12                                         
  done clear
  B)
   16
  done clear
  C)
   8                            
  done clear
  D)
          4
  done clear
  View Answer play_arrow

• question_answer227) Which one of the following is holotype ?
  A)
   Oesophagostomum apiostomum
  done clear
  B)
   Osophagostomum columbianum
  done clear
  C)
   Oesophagostomum radiatum
  done clear
  D)
   Oesophygostomum venulosm
  done clear
  View Answer play_arrow

• question_answer228) Which one of the following is first nematode parasite to be discovered ?
  A)
   Enterobius vermicularis
  done clear
  B)
   Ancylostoma duodenale
  done clear
  C)
   Ascaris lumbicoides
  done clear
  D)
   Dracunculus medinensis
  done clear
  View Answer play_arrow

• question_answer229) Excretory system of Ascaris lumbricoides is made up of:
  A)
   single cell                           
  done clear
  B)
   many cells
  done clear
  C)
   four cells            
  done clear
  D)
          two cells
  done clear
  View Answer play_arrow

• question_answer230) What is the length of male Ascaris lumbricoides is ?
  A)
   50-60 mm                          
  done clear
  B)
   100-200 mm
  done clear
  C)
   150-310 mm    
  done clear
  D)
          160-315 mm
  done clear
  View Answer play_arrow

• question_answer231) Cyclin is associated with which one of the following?
  A)
   Haemolysis                       
  done clear
  B)
   Mitosis
  done clear
  C)
   Glycolysis          
  done clear
  D)
          Cyclosis
  done clear
  View Answer play_arrow

• question_answer232) In which one of the following white ghost are found?
  A)
   Lymphocytes  
  done clear
  B)
          Thrombocytes
  done clear
  C)
   Choanocytes   
  done clear
  D)
          Erythrocytes
  done clear
  View Answer play_arrow

• question_answer233) Which one of the following is energy supplier ?
  A)
   GALT                                   
  done clear
  B)
   MALT
  done clear
  C)
   MAB                    
  done clear
  D)
          UTP
  done clear
  View Answer play_arrow

• question_answer234) Which one of the following is pernicious quotidian, malignant and tropical malarial parasite?
  A)
   Plasmodium vivax
  done clear
  B)
   Plasmodium falciparum
  done clear
  C)
   Plasmodium berghei
  done clear
  D)
   Plasmodium yolii
  done clear
  View Answer play_arrow

• question_answer235) Which one of the following is associated with osmoregulation in Amoeba ?
  A)
   Plasma membrane
  done clear
  B)
   Contractile vacuole
  done clear
  C)
   Mitochondria
  done clear
  D)
   Endoplasm
  done clear
  View Answer play_arrow

• question_answer236) In Entamoeba histolytica cytochromes are found in which one of the following?
  A)
   Ectoplasm
  done clear
  B)
   Mitochondria
  done clear
  C)
   Endoplasmic reticulum
  done clear
  D)
   Endoplasm
  done clear
  View Answer play_arrow

• question_answer237) In case of Amoeba proteus which temperature is optimum ?
  A)
  \[5{}^\circ C\text{ }to\text{ }10{}^\circ C\]                          
  done clear
  B)
  \[20{}^\circ C\text{ }to\text{ }25{}^\circ C\]
  done clear
  C)
  \[15{}^\circ C\text{ }to\text{ }16{}^\circ C\]        
  done clear
  D)
         \[30{}^\circ C\text{ }to\text{ }35{}^\circ C\]
  done clear
  View Answer play_arrow

• question_answer238) Apparatus reticulo interno was discovered by Golgi in which year :
  A)
   1898                                     
  done clear
  B)
   1850
  done clear
  C)
   1900                     
  done clear
  D)
          1925
  done clear
  View Answer play_arrow

• question_answer239) Synaptonemal complex was discovered in :
  A)
   1955                     
  done clear
  B)
          1950
  done clear
  C)
   1980                     
  done clear
  D)
          1935
  done clear
  View Answer play_arrow

• question_answer240) How many ATP are required during anaphase to move chromosomes from equator to the poles?
  A)
   38 ATP                
  done clear
  B)
          5 ATP
  done clear
  C)
   30 ATP                
  done clear
  D)
          76 ATP
  done clear
  View Answer play_arrow

• question_answer241) What is the diameter of stenotypes?
  A)
   16 microns        
  done clear
  B)
          25 microns
  done clear
  C)
   10 microns        
  done clear
  D)
          5 microns
  done clear
  View Answer play_arrow

• question_answer242) Hydra belongs to which of the following?
  A)
   Biradially symmetrical
  done clear
  B)
   Radially symmetrical and coelomate
  done clear
  C)
   Coelomate and bilaterally symmetrical
  done clear
  D)
   Radially symmetrical and acoelomate
  done clear
  View Answer play_arrow

• question_answer243) In Plasmodium which one of the following is not distinct?
  A)
   Mitrochondria                 
  done clear
  B)
   Golgi body
  done clear
  C)
   Cilia                      
  done clear
  D)
          Nucleus
  done clear
  View Answer play_arrow

• question_answer244) Which one of the following is ionic detergent?
  A)
   PEG                                      
  done clear
  B)
   HAT
  done clear
  C)
   SDS                      
  done clear
  D)
          RPM
  done clear
  View Answer play_arrow

• question_answer245) Which one of the following is dominant intracellular anion?
  A)
   Chloride                             
  done clear
  B)
   Potassium
  done clear
  C)
   Phosphate        
  done clear
  D)
          Calcium
  done clear
  View Answer play_arrow

• question_answer246) Zinc is associated with:
  A)
   Immunization                  
  done clear
  B)
   Glycosylation
  done clear
  C)
   Sulfation            
  done clear
  D)
          Transcription
  done clear
  View Answer play_arrow

• question_answer247) Which one of the following percentage is of bound water in protoplasm ?
  A)
   1-2%                                    
  done clear
  B)
   4-5%
  done clear
  C)
   60-65%               
  done clear
  D)
          90-95%     
  done clear
  View Answer play_arrow

• question_answer248) Which animal is Surinam toad?
  A)
   Pipa                                     
  done clear
  B)
   Bufo
  done clear
  C)
   Bombimntor     
  done clear
  D)
          Alyte
  done clear
  View Answer play_arrow

• question_answer249) Membrane attack complex (MAC) is formed by :
  A)
   B-lymphocytes                
  done clear
  B)
   compliments
  done clear
  C)
   macrophages   
  done clear
  D)
          T-lymphocytes
  done clear
  View Answer play_arrow

• question_answer250) Which animal is eukaryotic unicellular?
  A)
   Synapta                              
  done clear
  B)
   Sun animalcule
  done clear
  C)
   Mitre-Jelly fish 
  done clear
  D)
          Sea lemon
  done clear
  View Answer play_arrow

• question_answer251) In which of the following class polymorphism is very distinct?
  A)
   Class-Euccstoda
  done clear
  B)
          Class-Hydrozoa
  done clear
  C)
   Class-Crinoidea  
  done clear
  D)
          Class-Gastropoda  
  done clear
  View Answer play_arrow

• question_answer252) Which of the following annelid is most (modified?
  A)
   Arenicola                           
  done clear
  B)
   Chaetopterus
  done clear
  C)
   Pontobdella     
  done clear
  D)
          Hirudomedicmalis
  done clear
  View Answer play_arrow

• question_answer253) Which one of the following character (differentiate man from other mammals?
  A)
   Social life
  done clear
  B)
   Greater cranial capacity
  done clear
  C)
   Superior intelligence
  done clear
  D)
   Power of speech
  done clear
  View Answer play_arrow

• question_answer254) Which one of the following animal is protostome?
  A)
   Aconworm
  done clear
  B)
   Sping skinned animal
  done clear
  C)
   Amphitrehus
  done clear
  D)
  (e) Echidna
  done clear
  View Answer play_arrow

• question_answer255) Which one of the following animal is not deuterostome?
  A)
   Ambystoma                     
  done clear
  B)
   Ambhilina
  done clear
  C)
   Anguilla             
  done clear
  D)
          Amphiuma
  done clear
  View Answer play_arrow

• question_answer256) From substrate level phosphortyation ATP are produced :
  A)
   2                                            
  done clear
  B)
   6
  done clear
  C)
   10                         
  done clear
  D)
          8
  done clear
  View Answer play_arrow

• question_answer257) Which pollutant accumulates in liver and kidney
  A)
   Cadmium                           
  done clear
  B)
   Lead
  done clear
  C)
   Mercury             
  done clear
  D)
          Copper
  done clear
  View Answer play_arrow

• question_answer258) Which one is a commensalism?
  A)
   Euspongia                         
  done clear
  B)
   Jelly fish
  done clear
  C)
   Silkworm           
  done clear
  D)
          Bonellia female
  done clear
  View Answer play_arrow

• question_answer259) Norepinephrin is secreted from:
  A)
   medulla of adrenal        
  done clear
  B)
   zona fasciculate
  done clear
  C)
   zona reticularis
  done clear
  D)
          zona glomerulosa
  done clear
  View Answer play_arrow

• question_answer260) Thymosine stimulates:
  A)
   milk secretion                  
  done clear
  B)
   erythrocytes
  done clear
  C)
   T-lymphocytes 
  done clear
  D)
          melanocytes
  done clear
  View Answer play_arrow

• question_answer261) FSH is:
  A)
   glycoprotein                     
  done clear
  B)
   phospholipid
  done clear
  C)
   glycolipid                           
  done clear
  D)
   metalloprotein
  done clear
  View Answer play_arrow

• question_answer262) Prostaglandins affect:
  A)
   blood pressure               
  done clear
  B)
   defecation
  done clear
  C)
   osmoregulation
  done clear
  D)
          oxygen metabolism
  done clear
  View Answer play_arrow

• question_answer263) What is the molecular weight of phosvitin?
  A)
   3500                                     
  done clear
  B)
   4000
  done clear
  C)
   6000                     
  done clear
  D)
          10000
  done clear
  View Answer play_arrow

• question_answer264) Which one of the following scientist has written latest book on developmental biology?
  A)
   Balinansky                         
  done clear
  B)
   Gilbert
  done clear
  C)
   Baer                     
  done clear
  D)
          Lilly
  done clear
  View Answer play_arrow

• question_answer265) Which one of the following egg is found in Cockroach?
  A)
   Alecithal                             
  done clear
  B)
   Microlecithal
  done clear
  C)
   Centrolecithal  
  done clear
  D)
          Oligolecithal
  done clear
  View Answer play_arrow

• question_answer266) Reten mirabiles are found in which animal?
  A)
   Elephant                            
  done clear
  B)
   Whale
  done clear
  C)
   Ox                        
  done clear
  D)
          Tiger
  done clear
  View Answer play_arrow

• question_answer267) Nervous system develops from :
  A)
   ectoderm                          
  done clear
  B)
   endomesoderm
  done clear
  C)
   mesoderm        
  done clear
  D)
          ectomesoderm
  done clear
  View Answer play_arrow

• question_answer268) In indeterminate cleavage the fate of blastomeres is fixed at which of (the following stage?
  A)
   Blastula                              
  done clear
  B)
   Gastrulation
  done clear
  C)
   32-celled stage  
  done clear
  D)
          64-celled stage
  done clear
  View Answer play_arrow

• question_answer269) With which of the following first quarter of micromeres are associated?
  A)
   determinate cleavage  
  done clear
  B)
   larvation
  done clear
  C)
   hatching
  done clear
  D)
   indeterminate cleavage
  done clear
  View Answer play_arrow

• question_answer270) Which one of the following is both hormone and enzyme?
  A)
   ADH hormone                 
  done clear
  B)
   Acetycholinesterase
  done clear
  C)
   Angiotensinogen
  done clear
  D)
   Rennin
  done clear
  View Answer play_arrow

• question_answer271) Which of the following hormones induce secretion of succus entericus?
  A)
   Insulin
  done clear
  B)
   Secretin and cholecystokinin
  done clear
  C)
   Glucagon
  done clear
  D)
   Secretin
  done clear
  View Answer play_arrow

• question_answer272) Which of the following nerve innervates upper jaw of frog?
  A)
   Maxillary                            
  done clear
  B)
   Pathetic
  done clear
  C)
   Palatine              
  done clear
  D)
          Occulomotor
  done clear
  View Answer play_arrow

• question_answer273) How many Malpighian tubules in Cockroach are present?
  A)
   80-90                                   
  done clear
  B)
   100-150
  done clear
  C)
   50-60                   
  done clear
  D)
          200-250
  done clear
  View Answer play_arrow

• question_answer274) In pheretian lymph gland produces :
  A)
   lymphocyte cells            
  done clear
  B)
   phagocyte cells
  done clear
  C)
   oxyntic cells                      
  done clear
  D)
   amoeboryte cells
  done clear
  View Answer play_arrow

• question_answer275) In Pheretima mouth develops from which of the following?
  A)
   Ectoderm                          
  done clear
  B)
   Mesoderm
  done clear
  C)
   Blastopore        
  done clear
  D)
          Kndoderm
  done clear
  View Answer play_arrow

• question_answer276) In Pheretima which nephridia is present?
  A)
   Protonephridia
  done clear
  B)
          Coelom duct
  done clear
  C)
   Micro-metanephridia   
  done clear
  D)
   Solenocytes
  done clear
  View Answer play_arrow

• question_answer277) Muscle cells of Ascaris are arranged in :
  A)
   coclomyarian  
  done clear
  B)
   platymydrian
  done clear
  C)
   polymynrian     
  done clear
  D)
          holomyarian
  done clear
  View Answer play_arrow

• question_answer278) What is the length of female Ascaris lumbricoides?
  A)
   200-350 mm    
  done clear
  B)
   150-320 mm
  done clear
  C)
   100-150 mm    
  done clear
  D)
          50-80 mm
  done clear
  View Answer play_arrow

• question_answer279) How many nucteosomes are found in helical coil of 30 nm chromatin fibre ?
  A)
   6                            
  done clear
  B)
          10
  done clear
  C)
   12                         
  done clear
  D)
          9
  done clear
  View Answer play_arrow

• question_answer280) Temin worked on which virus?
  A)
   Rhinovirus                         
  done clear
  B)
   Herpesvirus
  done clear
  C)
   Retrovirus         
  done clear
  D)
          Dengurvirus
  done clear
  View Answer play_arrow

• question_answer281) Which one of the following peak absorption of ultraviolet light by heterocyclic bases (nitrogen bases)?
  A)
   26 nm                                  
  done clear
  B)
   1500 nm
  done clear
  C)
   75 nm                  
  done clear
  D)
          260 nm
  done clear
  View Answer play_arrow

• question_answer282) Which stage of Plasmodium contains rhoptries?
  A)
   Sporozoite                        
  done clear
  B)
   Merozoite
  done clear
  C)
   Signetring stage
  done clear
  D)
          Ookinete
  done clear
  View Answer play_arrow

• question_answer283) What is the chromosome number of Plasmodium?
  A)
   9                                            
  done clear
  B)
   14
  done clear
  C)
   10                         
  done clear
  D)
          4
  done clear
  View Answer play_arrow

• question_answer284) In Amoeba who gave contraction hydraulic theory?                           
  A)
   Schultze             
  done clear
  B)
          Claude     
  done clear
  C)
   Simpson             
  done clear
  D)
          Swan       
  done clear
  View Answer play_arrow

• question_answer285) In Entamoeba histolytica intestinal ulceration is caused by which one of the following?                        
  A)
   Metacystic trophozoites         
  done clear
  B)
   Binucleate stage
  done clear
  C)
                    Tetranucleate stage              
  done clear
  D)
   Trophozoites
  done clear
  View Answer play_arrow

• question_answer286)                      Which one of the following energy storing compound is formed when succinyl CoA is converted into succinic acid ?    
  A)
   ATP                                      
  done clear
  B)
   ADP      
  done clear
  C)
   AMP                    
  done clear
  D)
          GTP        
  done clear
  View Answer play_arrow

• question_answer287) In which one of the following mitochondrial cristae are in concentric form?
  A)
   Spirogyra
  done clear
  B)
   Euglena
  done clear
  C)
   Retina of tree shrew
  done clear
  D)
   Salivary gland of Limnea
  done clear
  View Answer play_arrow

• question_answer288) Recombinant nodules are found during which of the following?
  A)
   Prophase                           
  done clear
  B)
   Anaphase
  done clear
  C)
   Telophase         
  done clear
  D)
          Metaphase
  done clear
  View Answer play_arrow

• question_answer289) Which type of reproduction is found in Hydra?
  A)
   Polyembryony
  done clear
  B)
   Sexual and asexual
  done clear
  C)
   Parthenogenesis
  done clear
  D)
         Encystment
  done clear
  View Answer play_arrow

• question_answer290) Which one of the following scientist coined the name Hydra ?
  A)
   Rudulphi                            
  done clear
  B)
   Hyman
  done clear
  C)
   Linnaeus            
  done clear
  D)
          Grobben
  done clear
  View Answer play_arrow

• question_answer291) In which city Ronald Ross worked for malarial parasite?
  A)
   Delhi                                    
  done clear
  B)
   Calcutta
  done clear
  C)
   Hyderabad        
  done clear
  D)
          Madras
  done clear
  View Answer play_arrow

• question_answer292) Manganese is associated which enzymes?
  A)
   Lipase                                 
  done clear
  B)
   Transformylase
  done clear
  C)
   Peptidase          
  done clear
  D)
          Carboxyhydrolase          
  done clear
  View Answer play_arrow

• question_answer293) Which one of the following percentage of inorganic salt in the protoplasm?
  A)
   5-7%                                    
  done clear
  B)
   2-3%
  done clear
  C)
   0.1-2.5%             
  done clear
  D)
          50-60%
  done clear
  View Answer play_arrow

• question_answer294) Which one of the following is a primary phosphate in a cell?
  A)
  \[{{H}_{2}}PO\,{{_{4}^{+}}^{++}}\]                         
  done clear
  B)
  \[{{H}_{2}}PO\,{{_{4}^{-}}^{{}}}\]
  done clear
  C)
  \[{{H}_{2}}PO\,{{_{4}^{-}}^{-}}\]              
  done clear
  D)
         \[{{H}_{2}}PO\,{{_{4}^{+}}^{-}}\]
  done clear
  View Answer play_arrow

• question_answer295) Iron is present in which one of the following?
  A)
   Catalyze                             
  done clear
  B)
   Glycoprotein
  done clear
  C)
   Muck-in             
  done clear
  D)
          Lectin
  done clear
  View Answer play_arrow

• question_answer296) National bird of India is:
  A)
   Pavo cristatus                 
  done clear
  B)
   Flamingo           
  done clear
  C)
          Cohimba livia   
  done clear
  D)
          Psittncitia
  done clear
  View Answer play_arrow

• question_answer297) What is the molecular weight of IgG antibody?
  A)
   146, 000                              
  done clear
  B)
   160, 000              
  done clear
  C)
          190. 000              
  done clear
  D)
          200, 000
  done clear
  View Answer play_arrow

• question_answer298) Which one of the following animal has rhabdites?
  A)
   Syllis                                    
  done clear
  B)
   May fly               
  done clear
  C)
          tse-tse fly          
  done clear
  D)
          Dugesia
  done clear
  View Answer play_arrow

• question_answer299) Which animal has pseudocoelom ?
  A)
   Dragon fly                         
  done clear
  B)
   Amia                    
  done clear
  C)
          Wuchereria bancrftii     
  done clear
  D)
   Lapisma
  done clear
  View Answer play_arrow

• question_answer300) Which animal Aristotles lantern found?
  A)
   Strongylocentrotus
  done clear
  B)
   Sea urchin
  done clear
  C)
   Sea mouse           
  done clear
  D)
        Sea horse
  done clear
  View Answer play_arrow

• question_answer301) Oxidative phosphorylation occurs in which of the following?
  A)
   Outer membrane of mitochondria
  done clear
  B)
   Matrix of mitochondria
  done clear
  C)
   Inner membrane of mitochondria
  done clear
  D)
   Inter membrane
  done clear
  View Answer play_arrow

• question_answer302) The zygote of Ulothrix is:
  A)
   quadriflagellate
  done clear
  B)
          biflagellate
  done clear
  C)
   uniflagellate    
  done clear
  D)
          aflagellate
  done clear
  View Answer play_arrow

• question_answer303) Heterochromatin remains condensed in which part of chromosome?
  A)
   Secondary construction-I
  done clear
  B)
   Secondary construction-II
  done clear
  C)
   Telomeres        
  done clear
  D)
          Both (a) and (b)
  done clear
  View Answer play_arrow

• question_answer304) The maximum growth of plants occurs during:
  A)
   summer                             
  done clear
  B)
   winter
  done clear
  C)
   autumn              
  done clear
  D)
          spring
  done clear
  View Answer play_arrow

• question_answer305) Mitochondria remains absent in:
  A)
   Chlorophyceac                
  done clear
  B)
   Myxophyceae
  done clear
  C)
   Fungal cell         
  done clear
  D)
          Mesophyll cell
  done clear
  View Answer play_arrow

• question_answer306) Trachcids differs from vessels in having :
  A)
   thick wall
  done clear
  B)
   bordered pits
  done clear
  C)
   discontinuous intercalary wall
  done clear
  D)
   spiral thickening
  done clear
  View Answer play_arrow

• question_answer307) The vascular bundles in Cucurbita are:
  A)
   radial                                   
  done clear
  B)
   collateral
  done clear
  C)
   bicollateral        
  done clear
  D)
          concentric
  done clear
  View Answer play_arrow

• question_answer308) Which of the following causes delay in senescence?
  A)
   Cytokinin                           
  done clear
  B)
   Auxins
  done clear
  C)
   Gibberellins      
  done clear
  D)
          ABA
  done clear
  View Answer play_arrow

• question_answer309) Commercial cork is obtained from:
  A)
   Quercus                             
  done clear
  B)
   Oak
  done clear
  C)
   Pine                     
  done clear
  D)
          Peepal
  done clear
  View Answer play_arrow

• question_answer310) Bost fibres obtains from which part of the stem?
  A)
   Cork                                     
  done clear
  B)
   Cortex
  done clear
  C)
   Xylem                 
  done clear
  D)
          Phloem
  done clear
  View Answer play_arrow

• question_answer311) The growth in diameter of stem is due to:
  A)
   cambium                           
  done clear
  B)
   xylem
  done clear
  C)
   phloem              
  done clear
  D)
          shoot apex
  done clear
  View Answer play_arrow

• question_answer312) The non porous wood is present in which of the following?
  A)
   Dicots                                  
  done clear
  B)
   Monocots
  done clear
  C)
   Gymnosperms 
  done clear
  D)
          Cactus
  done clear
  View Answer play_arrow

• question_answer313) In dorsiventral leaf phloem is situated towards the:
  A)
   adaxial side                       
  done clear
  B)
   abaxial side
  done clear
  C)
   lateral side        
  done clear
  D)
          both (a) and (b)
  done clear
  View Answer play_arrow

• question_answer314) Monothecous anther is the characteristic of:
  A)
   Malvaceae                        
  done clear
  B)
   Liliaceae
  done clear
  C)
   Brassicaceae    
  done clear
  D)
          Solanaceae
  done clear
  View Answer play_arrow

• question_answer315) The onagrad type embryo development is found in :
  A)
   Solanum                            
  done clear
  B)
   Capsella
  done clear
  C)
   Lilium                  
  done clear
  D)
          Hibiscus
  done clear
  View Answer play_arrow

• question_answer316) In Capsella embryosac is :
  A)
   diploid                                
  done clear
  B)
   haploid
  done clear
  C)
   tetrasporic        
  done clear
  D)
          trisporic
  done clear
  View Answer play_arrow

• question_answer317) Rauwolfin obtains from which part of the plant?
  A)
   Stem                                   
  done clear
  B)
   Root
  done clear
  C)
   Fruit                     
  done clear
  D)
          Leaf
  done clear
  View Answer play_arrow

• question_answer318) In polygonum type embryosac, all the cells are :
  A)
   haploid
  done clear
  B)
   diploid
  done clear
  C)
   both (a) and (b)
  done clear
  D)
   haploid and polyploidy
  done clear
  View Answer play_arrow

• question_answer319) Which of the following is not visible through   electron    microscope   in Chlamydomonas?
  A)
   Contractile vacuole
  done clear
  B)
   Stigma
  done clear
  C)
   Neuromotor apparatus
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer320) The inner most membrane of gram (-) negative bacteria is consist of:
  A)
   mucopeptide                   
  done clear
  B)
   lipoprotein
  done clear
  C)
   phospholipid    
  done clear
  D)
          lipopolysaccharides
  done clear
  View Answer play_arrow

• question_answer321) Which type of placentation is found in family Fabaceae?
  A)
   Axile                                    
  done clear
  B)
   Marginal
  done clear
  C)
   Perietal              
  done clear
  D)
          Basal
  done clear
  View Answer play_arrow

• question_answer322) The floral formula of family Malvaceae is:
  A)
   \[{{K}_{4}}{{C}_{4}}{{A}_{5}}{{G}_{(2)}}\]                            
  done clear
  B)
   \[{{K}_{2+2}}{{C}_{4}}{{A}_{2+6}}{{G}_{(2)}}\]
  done clear
  C)
   \[{{K}_{(5)}}{{C}_{4}}{{A}_{4}}{{G}_{(5)}}\]        
  done clear
  D)
          \[{{K}_{(5)}}{{\overset\frown{{{C}_{5}}A}}_{(5-\infty )}}{{G}_{(\infty )}}\]
  done clear
  View Answer play_arrow

• question_answer323) Ferula assafoetida is the main source of:
  A)
   Haldi                                    
  done clear
  B)
   Heeng
  done clear
  C)
   Heroin                
  done clear
  D)
          Opium
  done clear
  View Answer play_arrow

• question_answer324) In meiotic division the DNA synthesis takes place in :
  A)
   S-phase
  done clear
  B)
   S-phase or leptotene phase
  done clear
  C)
   M-phase and zygotene
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer325) Thigmotropism occurs due to the:
  A)
   light                                     
  done clear
  B)
   contact
  done clear
  C)
   temperature    
  done clear
  D)
          pressure
  done clear
  View Answer play_arrow

• question_answer326) The sporogenous tissue is originated from amphithecium in which of the following ?
  A)
   Riccia                                   
  done clear
  B)
   Marchantia
  done clear
  C)
   Anthoceros      
  done clear
  D)
          Funaria
  done clear
  View Answer play_arrow

• question_answer327) The number of chromosome in an egg is 10. The number of chromosomes in anaphase will be :
  A)
   10                                         
  done clear
  B)
   20         
  done clear
  C)
   30                                         
  done clear
  D)
   40
  done clear
  View Answer play_arrow

• question_answer328) Microsporangium of Cycas is placed in which of the following manner on microsporophyll?
  A)
   Marginal            
  done clear
  B)
          Adaxial
  done clear
  C)
   Abaxial               
  done clear
  D)
          Lateral
  done clear
  View Answer play_arrow

• question_answer329) The process of DNA-synthesis is called as:
  A)
   translation        
  done clear
  B)
          transformation
  done clear
  C)
   transduction   
  done clear
  D)
          replication
  done clear
  View Answer play_arrow

• question_answer330) The longest plant cell is:
  A)
   fibre                    
  done clear
  B)
          vessel
  done clear
  C)
   tracheid             
  done clear
  D)
          sieve tube
  done clear
  View Answer play_arrow

• question_answer331) Nucleolar chromatic have gene for which of the following?
  A)
   r-DNA                                 
  done clear
  B)
   Z-DNA     
  done clear
  C)
   SAT-DNA           
  done clear
  D)
          B-DNA
  done clear
  View Answer play_arrow

• question_answer332) The maximum amount of calcium pectate is present in:
  A)
  (n) primary cell wall
  done clear
  B)
           secondary cell wall          
  done clear
  C)
   middle lamella
  done clear
  D)
          cell membrane                 
  done clear
  View Answer play_arrow

• question_answer333) The plant cell wall is:              
  A)
   semi-permeable            
  done clear
  B)
   permeable
  done clear
  C)
   impermeable
  done clear
  D)
   selectively permeable
  done clear
  View Answer play_arrow

• question_answer334) Cell organelle are present in:
  A)
   nucleoplasm   
  done clear
  B)
          cytoplasm
  done clear
  C)
   hyluplasm         
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer335) Cell theory was proposed by:
  A)
   Robert Hook
  done clear
  B)
   Schneider and Schwann
  done clear
  C)
   Brawn
  done clear
  D)
   Leeuwenhoek
  done clear
  View Answer play_arrow

• question_answer336) The membrane less cell organelle is:
  A)
   golgi body
  done clear
  B)
   chloroplast
  done clear
  C)
   endoplasmic reticulum
  done clear
  D)
   ribosome
  done clear
  View Answer play_arrow

• question_answer337) The enzyme ATP are remains active in:
  A)
   head piece of \[{{F}_{1}}\]         
  done clear
  B)
   base piece of \[{{F}_{1}}\]
  done clear
  C)
   circle of \[{{F}_{2}}\]     
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer338) Cellulose is a polymer of:
  A)
   glucose                               
  done clear
  B)
   fructose
  done clear
  C)
   galactose           
  done clear
  D)
          mannose
  done clear
  View Answer play_arrow

• question_answer339) Which of the following has their own DNA?
  A)
   Ribosome          
  done clear
  B)
          Dictyosome
  done clear
  C)
   Microsome       
  done clear
  D)
          Chloroplast
  done clear
  View Answer play_arrow

• question_answer340) Krebs cycle takes place in:
  A)
   inner membrane of mitochondria
  done clear
  B)
   outer membrane of mitochondria
  done clear
  C)
   matrix of mitochondria
  done clear
  D)
   inter membranous space
  done clear
  View Answer play_arrow

• question_answer341) Plant cell is differ from animal cell due to the presence of:
  A)
   chlorophyll                        
  done clear
  B)
   mitochondria
  done clear
  C)
   cellulosic cell wall    
  done clear
  D)
   large size
  done clear
  View Answer play_arrow

• question_answer342) The mosaic condition of cell membrane can be proved by :
  A)
   electroforetic study
  done clear
  B)
   auto radiography
  done clear
  C)
   french-inch-technology
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer343) Which of the following is not a micronutrient?
  A)
   Cu
  done clear
  B)
                                          Mg
  done clear
  C)
   B                           
  done clear
  D)
          \[C{{l}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer344) The element which is found in the structure of chlorophyll molecule ?
  A)
   Fe                                         
  done clear
  B)
   Mg
  done clear
  C)
   K                           
  done clear
  D)
          Mn
  done clear
  View Answer play_arrow

• question_answer345) Photophosphorylation is found in:
  A)
   outer membrane of chloroplast
  done clear
  B)
   inner membrane of chloroplast
  done clear
  C)
   matrix of chloroplast
  done clear
  D)
   inter membranous space
  done clear
  View Answer play_arrow

• question_answer346) Chlorosis in leaf occurs due to die deficiency of:
  A)
   chloride                              
  done clear
  B)
   magnesium
  done clear
  C)
   phosphate        
  done clear
  D)
          molebdenum
  done clear
  View Answer play_arrow

• question_answer347) The first \[C{{O}_{2}}\] acceptor in \[{{C}_{3}}\]-plants is:
  A)
   RuBP carboxylase          
  done clear
  B)
          PEP carboxylase
  done clear
  C)
          dehydrogenase              
  done clear
  D)
          hydrolases
  done clear
  View Answer play_arrow

• question_answer348) The sun light in PS-II causes:
  A)
   reduction in \[C{{O}_{2}}\]             
  done clear
  B)
          activation of chlorophyll
  done clear
  C)
          photolysis of water       
  done clear
  D)
          all of the above
  done clear
  View Answer play_arrow

• question_answer349) It is belived that origin of mitochondria and chloroplast through endo symbiotic theory because :
  A)
   both have same nucleic acid
  done clear
  B)
          both have same plasma membrane
  done clear
  C)
          both have same RNA
  done clear
  D)
          all of the above
  done clear
  View Answer play_arrow

• question_answer350) When genes are located on the same locus the condition is known as :
  A)
   homozygous                    
  done clear
  B)
          heterozygous
  done clear
  C)
          hybrid                                 
  done clear
  D)
          all of the above
  done clear
  View Answer play_arrow

• question_answer351) Which of the following is not involved with the movement of stomata?
  A)
   High concentration of \[{{K}^{+}}\] in guard cell
  done clear
  B)
          High light intensity
  done clear
  C)
          High concentration of IAA
  done clear
  D)
          High concentration of ABA
  done clear
  View Answer play_arrow

• question_answer352) When one gene expresses itself in more than one stages then it is called :
  A)
   heterozygous                  
  done clear
  B)
          genotype
  done clear
  C)
          complementory gene  
  done clear
  D)
          alleles
  done clear
  View Answer play_arrow

• question_answer353) Which of the following is an exception of Mendels law of independent assortment?
  A)
   Multiple alleles
  done clear
  B)
          Crossing over
  done clear
  C)
          Linkage
  done clear
  D)
          Dominance and recessive
  done clear
  View Answer play_arrow

• question_answer354) The anti transpirant is:
  A)
   PMA                                    
  done clear
  B)
          ABA
  done clear
  C)
          Both (a) and (b)
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer355) Which of the following is autotrophic prokaryote?
  A)
   Sulphur bacteria             
  done clear
  B)
          Cyanobacteria
  done clear
  C)
          Archebacteria                  
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer356) Gibberellin was obtained from:
  A)
   Gibberellin fujikuroi      
  done clear
  B)
          Aspergillus
  done clear
  C)
          Yeast                                   
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer357) Pneumatophores are found in:
  A)
   Orchid                                 
  done clear
  B)
          Piper
  done clear
  C)
          Rhizophorn      
  done clear
  D)
          Ficus
  done clear
  View Answer play_arrow

• question_answer358) The common pathway between aerobic  and anaerobic respiration is :
  A)
   Krebs cycle                       
  done clear
  B)
          ETS
  done clear
  C)
          Glycolysis                          
  done clear
  D)
          Glycogenesis
  done clear
  View Answer play_arrow

• question_answer359) The father of cohesion theory is:
  A)
   Dixon and Jolly                
  done clear
  B)
          Boss
  done clear
  C)
          Prestelay                           
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer360) The energy is liberated during coal burning and respiration both, but respiration is step wise process because of the:
  A)
   enzyme control              
  done clear
  B)
          hormone control
  done clear
  C)
          combustion
  done clear
  D)
          respiratory substrate
  done clear
  View Answer play_arrow

• question_answer361) Annual rings are most clear in:
  A)
   temperate regions        
  done clear
  B)
          tropical regions
  done clear
  C)
          xerophytes                       
  done clear
  D)
          hydrophyte
  done clear
  View Answer play_arrow

• question_answer362) The peristome teeth of moss shows:
  A)
   hydrochasy
  done clear
  B)
                                          zerochasy
  done clear
  C)
          chemotropism                
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer363) Plants grow on sand and stone is called as:
  A)
   lithophyte?                       
  done clear
  B)
          mesophytos
  done clear
  C)
          phenerophytes              
  done clear
  D)
          oxalophytes
  done clear
  View Answer play_arrow

• question_answer364) Cytochromes are found in:
  A)
   chloroplast and ribosome
  done clear
  B)
          mitochondria and chloroplast
  done clear
  C)
          mitochondria and ribosome
  done clear
  D)
          chloroplast and golgi body
  done clear
  View Answer play_arrow

• question_answer365) In an ecosystem:
  A)
   primary producers are higher than primary consumers
  done clear
  B)
          primary consumers are higher than primary producers
  done clear
  C)
          primary consumers are higher than secondary consumers
  done clear
  D)
          secondary consumers are higher than primary producers
  done clear
  View Answer play_arrow

• question_answer366) Which of the following is involved in the structure CoA FAD and FMN?
  A)
   Vitamin A                          
  done clear
  B)
          Vitamin C
  done clear
  C)
          Vitamin \[{{B}_{1}}\]                    
  done clear
  D)
          Vitamin \[{{B}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer367) The enzyme nitrogenase catalyzes:
  A)
   \[{{N}_{3}}\] to \[N{{N}_{3}}\]
  done clear
  B)
          \[{{N}_{2}}\] to \[N{{O}_{3}}\]
  done clear
  C)
          \[N{{O}_{2}}\] to \[{{N}_{2}}\]
  done clear
  D)
          \[{{N}_{2}}\] to \[N{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer368) The hydrolysis of starch takes place by:
  A)
   sucrose                              
  done clear
  B)
          amylase
  done clear
  C)
          cellulose                            
  done clear
  D)
          in vertase
  done clear
  View Answer play_arrow

• question_answer369) Ribozyme is:
  A)
   RNA without sugar
  done clear
  B)
          RNA without phosphate
  done clear
  C)
          RNA which acts as an enzyme
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer370) The transition zone between two different communities is known as :
  A)
   ecotype                             
  done clear
  B)
          ecosystem
  done clear
  C)
          ecotone                             
  done clear
  D)
          biome
  done clear
  View Answer play_arrow

• question_answer371) Which of the following belongs to same trophic level?
  A)
   Tiger and Bear                 
  done clear
  B)
          Deer and Bee
  done clear
  C)
          Crow and Cow                 
  done clear
  D)
          Snake and Pig
  done clear
  View Answer play_arrow

• question_answer372) The correct food chain is:             
  A)
   Dead leaves \[\to \] Bacteria\[\to \]Insect\[\to \]Bird
  done clear
  B)
          Phytoplankton\[\to \]Zooplankton\[\to \]Fish                             
  done clear
  C)
          Grass\[\to \] Fox \[\to \] Rabbit
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer373) Virus contains
  A)
   Only DNA                          
  done clear
  B)
          Only RNA
  done clear
  C)
          DNA or RNA                     
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer374) Initiation of protein synthesis in eukaryotes occurs by the codon :
  A)
   AUG                                    
  done clear
  B)
          GCA
  done clear
  C)
          UAA                                     
  done clear
  D)
          UAG
  done clear
  View Answer play_arrow

• question_answer375) Maize is differ from Wheat in:
  A)
   phenotype                       
  done clear
  B)
          genotype
  done clear
  C)
          mesotype                         
  done clear
  D)
          halophytic
  done clear
  View Answer play_arrow

• question_answer376) The plant with red flower is crossed with white flower in \[{{F}_{1}}\] generation all red plants are obtained this shows:
  A)
   law of segregation
  done clear
  B)
          law of dominant and recessive
  done clear
  C)
          law of independence assortment
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer377) Plant which used by Hugo de Vries for mutation experiment was ?
  A)
   Oenothera Iamarkiana
  done clear
  B)
          Solanum tuberosom
  done clear
  C)
          Ficus elastic                      
  done clear
  D)
          None of the above
  done clear
  View Answer play_arrow

• question_answer378) In the classification of Whittaker the kingdom Monera include:
  A)
   bacteria, cyanobacteria, and fungus
  done clear
  B)
          bacteria and cyanobacteria
  done clear
  C)
          fungus and alga
  done clear
  D)
          lichens and bacteria
  done clear
  View Answer play_arrow

• question_answer379) The disease caused by mycoplasma is:
  A)
   Papaya bunchy top       
  done clear
  B)
          Brinjal little leaf
  done clear
  C)
         Witches broom                
  done clear
  D)
          All of the above
  done clear
  View Answer play_arrow

• question_answer380) Vinegar is obtained from alcohol by the:
  A)
   Bacillus aceti    
  done clear
  B)
          Lactobacillus
  done clear
  C)
          Azotobactor                     
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer381) Agar-agar is obtained from:
  A)
   Chlorella
  done clear
  B)
          Chlamydomonas
  done clear
  C)
          Nostoc
  done clear
  D)
          Gracilaria and Gellidium
  done clear
  View Answer play_arrow

• question_answer382) Lichens are the association of:
  A)
   green algae and Phycomycetes
  done clear
  B)
          green algae and Ascomycetes
  done clear
  C)
          glue-green algae and Phycomycetes
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer383) Aflatoxins are obtained from:
  A)
   bacteria                              
  done clear
  B)
          fungus
  done clear
  C)
          algae                                   
  done clear
  D)
          moss
  done clear
  View Answer play_arrow

• question_answer384) Which of the following have gametuphytic plant body and sporophytic remains as a parasite on it?
  A)
   Funaria                              
  done clear
  B)
          Pteris
  done clear
  C)
          Cycas                                  
  done clear
  D)
          Neem
  done clear
  View Answer play_arrow

• question_answer385) During development of embryo in archegonium of bryophyte, its posterior part form protective embryo cover which is called:
  A)
   calyptra                              
  done clear
  B)
          apophysis
  done clear
  C)
          paraphysis                        
  done clear
  D)
          hypophysis
  done clear
  View Answer play_arrow

• question_answer386) The fern prothallus is:
  A)
   heart shaped                   
  done clear
  B)
          kidney shaped
  done clear
  C)
          liver shaped                     
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer387) The vascular cryptogames are:
  A)
   bryophytes                       
  done clear
  B)
          pteridophytes
  done clear
  C)
          angiosperms                    
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer388) The living fossil is:
  A)
   Ginkgo biloba                  
  done clear
  B)
          Pinus
  done clear
  C)
          Ephedra                             
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer389) The plants in which naked seed is formed without flower and fruit formation is grouped under?
  A)
   Fungus                               
  done clear
  B)
          Gymnosperm
  done clear
  C)
          Angiospenn                      
  done clear
  D)
          Pteridophyta
  done clear
  View Answer play_arrow

• question_answer390) Hypanthodium inflorescence is found in:
  A)
   Ficus                                    
  done clear
  B)
          Tulsi
  done clear
  C)
          Cedrus                                
  done clear
  D)
          Callotropis
  done clear
  View Answer play_arrow

• question_answer391) Flower which never opens in their life cycle is known as:
  A)
   hetcrogamous                 
  done clear
  B)
          cleistogamous
  done clear
  C)
          dichogamous                   
  done clear
  D)
          homogamous
  done clear
  View Answer play_arrow

• question_answer392) The inflorescence is edible part in:
  A)
   Brassica campestris
  done clear
  B)
          Brassica oleracea botrytis
  done clear
  C)
          Raphanus sativus
  done clear
  D)
          Brassica nigra
  done clear
  View Answer play_arrow

• question_answer393) The study of tree is called:
  A)
   Cytology                            
  done clear
  B)
          Dendrology
  done clear
  C)
          Embryology                      
  done clear
  D)
          Physiology
  done clear
  View Answer play_arrow

• question_answer394) The flow of water from one cell to another adjacent cell takes place by :
  A)
   osmotic pressure           
  done clear
  B)
          diffusion
  done clear
  C)
          DPD                                     
  done clear
  D)
          osmosis
  done clear
  View Answer play_arrow

• question_answer395) Root hairs originates from:
  A)
   endodermis                     
  done clear
  B)
          epidermis
  done clear
  C)
          outer cortex    
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer396) The rate of transpiration is measured by:
  A)
   auxanometer                  
  done clear
  B)
          photometer
  done clear
  C)
          perimeter                         
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer397) How much energy is used in photosynthesis?
  A)
   50%                                      
  done clear
  B)
          35% 
  done clear
  C)
          10%                                      
  done clear
  D)
          1 to 2%
  done clear
  View Answer play_arrow

• question_answer398) The soluble food material is translocated through phloem in:
  A)
   acropetal manner          
  done clear
  B)
          basipetal manner
  done clear
  C)
          both (a) and  (b)
  done clear
  D)
          lateral
  done clear
  View Answer play_arrow

• question_answer399) Which of the following is long day plant (LDP)?
  A)
   Sugarcane                         
  done clear
  B)
          Guldabdi
  done clear
  C)
          Tobacco and Soybean
  done clear
  D)
          Wheat and Radish
  done clear
  View Answer play_arrow

• question_answer400) Greenhouse gases are:
  A)
   CFCS, \[C{{O}_{2}}\,N{{H}_{4}}\] and \[N{{O}_{2}}\]
  done clear
  B)
          \[{{O}_{2}},\,{{N}_{3}},\,No;\]
  done clear
  C)
          \[{{N}_{3}},\,C{{O}_{2}}\,N{{H}_{4}}\]
  done clear
  D)
          None of the above
  done clear
  View Answer play_arrow