Solved papers for RAJASTHAN PMT Rajasthan - PMT Solved Paper-2002

done Rajasthan - PMT Solved Paper-2002 Total Questions - 298

• question_answer1) An electron is moving in magnetic field of \[16\,wb/{{m}^{2}}\]. Find the radium of its path:
  A)
   \[4.47\times {{10}^{11}}\,per\,\sec \]                   
  done clear
  B)
   \[{{10}^{11}}\,per\,\sec \]
  done clear
  C)
   \[5.3\times {{10}^{-11}}\,per\,\sec \]                   
  done clear
  D)
   \[{{10}^{14}}\,per\,\sec \]
  done clear
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• question_answer2) Which of the following is proportional to energy density m magnetic field B:
  A)
   \[\frac{1}{B}\]                                 
  done clear
  B)
          \[\frac{1}{{{B}^{2}}}\]  
  done clear
  C)
   \[B\]                                    
  done clear
  D)
          \[{{B}^{2}}\]
  done clear
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• question_answer3) Which one of the following is ferro magnetic?
  A)
   Co  
  done clear
  B)
          Zn  
  done clear
  C)
   Hg                         
  done clear
  D)
          Pt
  done clear
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• question_answer4) Sometimes positive charged particle comes from space towards earth with high velocity. Its deviation due to the magnetic field of earth will be:
  A)
   towards north  
  done clear
  B)
          towards south
  done clear
  C)
   towards west  
  done clear
  D)
          towards east
  done clear
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• question_answer5) For paramagnetic materials magnetic susceptibility is related with temperature as:
  A)
   \[\propto {{T}^{2}}\]                                    
  done clear
  B)
   \[\propto {{T}^{1}}\]
  done clear
  C)
   \[\propto {{T}^{-1}}\]   
  done clear
  D)
          \[\propto {{T}^{2}}\]
  done clear
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• question_answer6) Dynamo which produces electricity, is a application of:
  A)
   gravity                                
  done clear
  B)
   magnetism
  done clear
  C)
   e.m.f.                  
  done clear
  D)
          electrolysis
  done clear
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• question_answer7) Air cored choke coil and delectric bulb are connected in series with A.C. mains. A soft iron rod is inserted in coil then the intensity of electric bulb will be :
  A)
   decrease                           
  done clear
  B)
   increase
  done clear
  C)
   fluctuate            
  done clear
  D)
          unchanged
  done clear
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• question_answer8) The orbital speed of a satellite revolving nearby the earth is:    
  A)
   \[\sqrt{2gR}\]                  
  done clear
  B)
   \[\sqrt{gR}\]                    
  done clear
  C)
   \[\sqrt{g/R}\]  
  done clear
  D)
          \[\sqrt{2g/R}\]
  done clear
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• question_answer9) Which one of the following is unstable?
  A)
   \[\text{-}\]ray   
  done clear
  B)
          \[\text{-}\]ray
  done clear
  C)
   Proton                
  done clear
  D)
          Neutron
  done clear
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• question_answer10) A torque of 30 N-m is acting on a wheel of mass 5 kg and moment of inertia 2 kg-m2. If wheel starts rotating from rest then, its angular displacement in 10 seconds will be:
  A)
   750 rad   
  done clear
  B)
          1500 rad
  done clear
  C)
   3000 rad             
  done clear
  D)
          6000 rad
  done clear
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• question_answer11) A second pendulum is kept in a satellite it is revolving around the earth at the height of 3R from the earth surface. Time period of second pendulum will be:
  A)
   zero                     
  done clear
  B)
          \[3\sqrt{3\sec }\]
  done clear
  C)
   4 sec                    
  done clear
  D)
          infinite
  done clear
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• question_answer12) A disc is rolling on an inclined plane- What fraction of its total energy will be as rotational energy :
  A)
   4/3                       
  done clear
  B)
          1/3   
  done clear
  C)
   1/2       
  done clear
  D)
          2/3
  done clear
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• question_answer13) If temperature of the gas is increased to three times, then its root mean square velocity become :
  A)
   3 times               
  done clear
  B)
          9 times
  done clear
  C)
   \[\frac{1}{2}\]times                      
  done clear
  D)
          \[\sqrt{3}\] times
  done clear
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• question_answer14) Surface tension of liquid is 5N/m. If a thin film of area 0.02 m2 is made in a ring then the surface energy will be :
  A)
   \[\text{5 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-3}\,}}\text{J}\]        
  done clear
  B)
          \[\text{2}\text{.5 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-3}\,}}\text{J}\]
  done clear
  C)
   \[\text{1 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-1}\,}}\text{J}\]       
  done clear
  D)
          \[\text{5 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-1}\,}}\text{J}\]
  done clear
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• question_answer15) Which has highest penetrating power?
  A)
   \[\text{-}\]rays        
  done clear
  B)
          \[\text{-}\]rays
  done clear
  C)
   \[\alpha \text{-}\]rays                 
  done clear
  D)
          Cathode rays
  done clear
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• question_answer16) If X-rays is passed through from strong magnetic field, then X-rays:
  A)
   will deviate maximum
  done clear
  B)
   will deviate minimum
  done clear
  C)
   undeviated
  done clear
  D)
   none of these
  done clear
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• question_answer17) In diffraction radius of half period zone is proportional to :
  A)
   \[{{n}^{-1/2}}\]                                               
  done clear
  B)
   \[{{n}^{1/2}}\]  
  done clear
  C)
   \[{{n}^{2}}\]                     
  done clear
  D)
          \[n\]
  done clear
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• question_answer18) Surface tension of a liquid is T- If its surface area is increased by A, then the increase in surface energy will be :
  A)
   \[AT\]  
  done clear
  B)
   \[A/T\]
  done clear
  C)
   \[{{A}^{2}}T\]                  
  done clear
  D)
          \[{{A}^{2}}{{T}^{2}}\]
  done clear
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• question_answer19) If the radius of earth is decreased by 1% and mass remain constant, then the acceleration due to gravity:
  A)
   decrease by 2%              
  done clear
  B)
   decrease by 1%
  done clear
  C)
   increase by 1% 
  done clear
  D)
          increase by 2%
  done clear
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• question_answer20) A sound wave of frequency 660 Hz is incident normally at reflecting wall then minimum distance from wall at which particles amplitude will be maximum (velocity of sound = 330 m/s):
  A)
   0.215 m                              
  done clear
  B)
   0.125 m
  done clear
  C)
   1 m                       
  done clear
  D)
          0.5 m
  done clear
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• question_answer21) Different atoms of same element which have different masses but have same chemical properties are called :
  A)
   isochoric                            
  done clear
  B)
   isotope
  done clear
  C)
   isobar                  
  done clear
  D)
          isobaric
  done clear
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• question_answer22) 22.      Activity of a radioactive element is 103dis /sec. Its life is 1 sec. After 3 sec. its activity will be:
  A)
   1000 dis/sec                     
  done clear
  B)
   250 dis/sec
  done clear
  C)
   125 dis/sec        
  done clear
  D)
          none of these
  done clear
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• question_answer23) If a temperature of hot body is increased by 10%, then the increase in emitted radiation will be:
  A)
   10%                      
  done clear
  B)
          40%
  done clear
  C)
   46%      
  done clear
  D)
          100%
  done clear
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• question_answer24) Total angular momentum of a system of particles:
  A)
   is always constant
  done clear
  B)
   is changed due to presence of external force
  done clear
  C)
   is changed due to presence of external torque
  done clear
  D)
   nothing can be said
  done clear
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• question_answer25) Ripple factor of a half wave rectifier is:
  A)
   1.21                      
  done clear
  B)
          0.08 
  done clear
  C)
   0.61                      
  done clear
  D)
          2.14
  done clear
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• question_answer26) Diffraction of sound waves is more evident than light waves in daily life because:
  A)
   \[{{}_{\text{sound}}}\,\text{}\,{{}_{\text{light}}}\]        
  done clear
  B)
          \[{{}_{\text{sound}}}\,=\,{{}_{\text{light}}}\]
  done clear
  C)
   \[{{}_{\text{sound}}}\,<\,{{}_{\text{light}}}\]   
  done clear
  D)
          sound waves are longitudinal but light waves are transverse
  done clear
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• question_answer27) Two waves of intensities ratio are 9 : 1 then the ratio of their resultants maximum and minimum intensities will be:
  A)
   10 : 8                    
  done clear
  B)
          7 : 2 
  done clear
  C)
   4 : 1 
  done clear
  D)
                                          2 : 1
  done clear
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• question_answer28) A particle is executing simple harmonic motion with angular frequency\[\omega \]then angular frequency of its kinetic energy will be:
  A)
   \[\omega \]                      
  done clear
  B)
          \[\omega /2\]   
  done clear
  C)
   \[2\omega \]                                   
  done clear
  D)
          \[4\omega \]
  done clear
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• question_answer29) In a diode before the saturated condition voltage were 400 and 200 respectively. Then the respective current ratio is:  
  A)
   \[2\sqrt{2}\]     
  done clear
  B)
          \[\frac{1}{2\sqrt{2}}\]  
  done clear
  C)
   \[2\]                    
  done clear
  D)
          \[1/2\]
  done clear
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• question_answer30) 26 tuning fork are arranged in a line having beat frequency of 4 between two successive tuning forks. If frequency of last tuning fork is 3 times that of 1st tuning fork then find the frequency of 1st tuning fork:
  A)
   7.5 Hz                  
  done clear
  B)
          50 Hz
  done clear
  C)
   100 Hz
  done clear
  D)
          125 Hz
  done clear
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• question_answer31) What is the value of\[\frac{R}{{{C}_{P}}}\]for a diatomic gas?
  A)
   5/7                       
  done clear
  B)
          2/7   
  done clear
  C)
   3/5                       
  done clear
  D)
          3/4
  done clear
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• question_answer32)   The escape velocity of a particle of mass m  varies as:
  A)
   \[{{m}^{2}}\]                    
  done clear
  B)
          m    
  done clear
  C)
   \[{{m}^{0}}\]                    
  done clear
  D)
          \[{{m}^{-1}}\]
  done clear
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• question_answer33) A bottle is filled with water at \[30{}^\circ C\]. When it is taken on the moon then :
  A)
   water will freeze
  done clear
  B)
                     water will boil
  done clear
  C)
   water will decompose in hydrogen and oxygen                       
  done clear
  D)
   nothing will happen to water   
  done clear
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• question_answer34) Choose incorrect statement regards zone plate and convex lens:
  A)
   focal length of both depends upon wavelength\[\lambda \]
  done clear
  B)
   both show chromatic aberration
  done clear
  C)
   both have single focal length     
  done clear
  D)
   none of these                   
  done clear
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• question_answer35) In a potentiometer experiment the galvanometer shows no deflection when a cell is connected across 60 cm of potentiometer wire. If the cell is shunted by a resistance of 6\[\Omega \] the balance is obtained at 50 cm. Find the internal resistance of cell.
  A)
   0.552\[\Omega ,\]        
  done clear
  B)
          0.652\[\Omega ,\]
  done clear
  C)
   1.252\[\Omega ,\]        
  done clear
  D)
          1.2\[\Omega ,\]
  done clear
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• question_answer36) Due to effect of interference, floating oil layer in water is visible in coloured, for observation of this event the thickness of oil layer should be:
  A)
   10 nm                  
  done clear
  B)
          1000 nm
  done clear
  C)
   1 mm                   
  done clear
  D)
          10 mm
  done clear
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• question_answer37) A tyre at \[27{}^\circ C\] temperature and at 2 atomspheric pressure. It brusts suddenly, then the resultant temperature will be:
  A)
  \[-123{}^\circ C\]
  done clear
  B)
                                         \[240{}^\circ C\]
  done clear
  C)
  \[27{}^\circ C\]                 
  done clear
  D)
         \[0{}^\circ C\]
  done clear
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• question_answer38) A body takes 10 minutes to cool down from \[62{}^\circ C\] to \[50{}^\circ C\]. If the temperature of surrounding is \[26{}^\circ C\] then in the next 10 minutes temperature of the body will be:
  A)
  \[38{}^\circ C\]                 
  done clear
  B)
         \[40{}^\circ C\]
  done clear
  C)
  \[42{}^\circ C\]                 
  done clear
  D)
         \[44{}^\circ C\]
  done clear
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• question_answer39) During an adiabatic expansion of 2 mole of gas, the change in internal energy was, found - 50 J. The work done during the process:
  A)
   50 J                       
  done clear
  B)
          -50 J
  done clear
  C)
   100 J                    
  done clear
  D)
          0
  done clear
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• question_answer40) Which of the following is weakest force?
  A)
   Gravitational   
  done clear
  B)
          Electric force
  done clear
  C)
   Magnetic force               
  done clear
  D)
   Nuclear force
  done clear
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• question_answer41) A square is made of four rods of same material one of the diagonal of a square is at temperature difference \[100{}^\circ C\], then the temperature difference of second diagonal:
  A)
   \[0{}^\circ C\]                                  
  done clear
  B)
          \[\frac{100}{l}\]  
  done clear
  C)
   \[\frac{100}{2l}\]                            
  done clear
  D)
         \[100{}^\circ C\]
  done clear
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• question_answer42) 0.7 H inductance is connected with 220\[\Omega \]resistance with A.C. source it is connected to 50 Hz frequency and 220 volt e.m.f. source, then the value of current in circuit will be:
  A)
   0.5 A                    
  done clear
  B)
          0.7A
  done clear
  C)
   5 A                        
  done clear
  D)
          7A
  done clear
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• question_answer43) How many times, the potential of big drop in comparison to small drops which is made of 8 droplets will be, if all the droplets are identical?
  A)
   2 times               
  done clear
  B)
          4 times
  done clear
  C)
   3 times               
  done clear
  D)
          8 times
  done clear
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• question_answer44) Choke coil:
  A)
   decreases current in A.C.
  done clear
  B)
   increases current in A.C.
  done clear
  C)
   decreases current in D.C.
  done clear
  D)
   increases current in D.C.
  done clear
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• question_answer45) Escape velocity for a rocket is 11.2 km/s. If it is taken to a planet where the radius and acceleration due to gravity is double than earth, then escape velocity will be:
  A)
   5.6m/s                
  done clear
  B)
          11.2m/s
  done clear
  C)
   22.4 km/s          
  done clear
  D)
          44.2 m/s
  done clear
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• question_answer46) Potential inside a hollow sphere is:
  A)
   constant
  done clear
  B)
   proportional to distance from centre
  done clear
  C)
   inversely proportional to the distance
  done clear
  D)
   inversely proportional to square of distance
  done clear
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• question_answer47) In p-n junction depletion region decreases when:
  A)
   zero bias
  done clear
  B)
   forward bias
  done clear
  C)
   reverse bias
  done clear
  D)
   temperature decreases
  done clear
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• question_answer48) Hydrogen atom is excited by means of a monochromatic radiations of wavelength \[975\overset{\text{o}}{\mathop{\text{A}}}\,\]. In emission spectrum the number of possible lines are :
  A)
   2                                            
  done clear
  B)
   4    
  done clear
  C)
   5                            
  done clear
  D)
          6
  done clear
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• question_answer49) When a capillary tube is immersed in water, then it rises up to height of 3 cm. If the surface tension of water is \[75\times {{10}^{-3}}N/m\]. Then the diameter of capillary tube will be:
  A)
   0 1 mm                               
  done clear
  B)
   0.5 mm
  done clear
  C)
   1 mm                   
  done clear
  D)
          2 mm
  done clear
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• question_answer50) When two co-axial coils having same current in same direction are bring to each other, then the value of current in both coils:                  
  A)
   increases            
  done clear
  B)
   decreases
  done clear
  C)
   first increases and then decreases
  done clear
  D)
   remain same
  done clear
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• question_answer51) Amplification factor of triode is 18 and internal resistance is 8000\[\Omega \] If load resistance is 10, 000 \[\Omega ,\]then the voltage amplification of triode is:
  A)
   20                         
  done clear
  B)
          10   
  done clear
  C)
   40                         
  done clear
  D)
          15
  done clear
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• question_answer52) The insulation property of air breaks down at intensity as \[3\times {{10}^{6}}\,V/m\]. The maximum charge that can be given to a sphere of diameter 5 m is:
  A)
   \[2\times {{10}^{-2}}C\]              
  done clear
  B)
          \[2\times {{10}^{-3}}C\]
  done clear
  C)
   \[2\times {{10}^{-4}}C\]              
  done clear
  D)
          0
  done clear
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• question_answer53) An observer is approaching with velocity \[\upsilon \]towards a light source- If the velocity of light is c, then velocity of light with respect to observer will be:
  A)
   \[c-\upsilon \]                 
  done clear
  B)
          \[c\]
  done clear
  C)
   \[c+\upsilon \]                
  done clear
  D)
          \[\sqrt{1-{{\upsilon }^{2}}/{{c}^{2}}}\]
  done clear
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• question_answer54) In a showing figure find the equivalent resistance between A and B.
  A)
   2/3 ohm             
  done clear
  B)
          5/ ohm
  done clear
  C)
   8/9 ohm             
  done clear
  D)
          7.5 ohm
  done clear
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• question_answer55) In a circuit 20\[\Omega \] resistance and 0.4 H inductance arc connected with a source of 220 volt of frequency 50 Hz, then the value \[\phi \]is:
  A)
   \[{{\tan }^{-1}}(4\pi )\]                
  done clear
  B)
          \[{{\tan }^{-1}}(2\pi )\]
  done clear
  C)
   \[{{\tan }^{-1}}(1\pi )\]                
  done clear
  D)
          \[{{\tan }^{-1}}(3\pi )\]
  done clear
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• question_answer56) Choose correct statement regarding electric lines of force:
  A)
   emerges from\[(-\upsilon e)\] charge and meet from  \[(-\upsilon e)\]charge
  done clear
  B)
   where the electric lines of force are close electric field in that region is strong
  done clear
  C)
   Just as it is shown for a point system in the same way it represent for a solid sphere
  done clear
  D)
   has a physical nature
  done clear
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• question_answer57) V= 100 sin 100t,  \[I=100\] sin \[(100t+\pi /6\] then find the watt less power:
  A)
   \[{{10}^{4}}\,W\]                                           
  done clear
  B)
   \[{{10}^{3}}\,W\]
  done clear
  C)
   \[{{10}^{2}}\,W\]           
  done clear
  D)
          \[4330\,W\]
  done clear
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• question_answer58) A galvanometer is connected with potentiometer gives null deflection, in which place current will be zero:
  A)
   potentiometer wire      
  done clear
  B)
   main circuit
  done clear
  C)
   galvanometer circuit     
  done clear
  D)
   battery
  done clear
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• question_answer59) In periodic table, if elements n > 5 does not exist then total number of elements will be:
  A)
   50                         
  done clear
  B)
          60   
  done clear
  C)
   110                       
  done clear
  D)
          182
  done clear
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• question_answer60) Lenzs law represent:
  A)
   relation between \[I\] and B
  done clear
  B)
   relation between magnetic force and magnetic field
  done clear
  C)
   relation between e.m.f. and rate of change of flux
  done clear
  D)
   none of these
  done clear
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• question_answer61) A cylinder of length Land radius R, whose axis is parallel to electric field. Find the total electric flux ejected from the surface of cylinder:
  A)
   \[2\pi {{R}^{2}}E\]         
  done clear
  B)
          \[\pi {{R}^{2}}L/E\]
  done clear
  C)
   \[\pi {{R}^{2}}LE\]         
  done clear
  D)
          zero
  done clear
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• question_answer62) A person is observing of two trains each of velocity is 4 m/s. A train is coming towards an observer frequency of each whistle is 240 Hz then the beats heard by an observer will be : (\[\upsilon \] = 320 m/s)  
  A)
   zero                     
  done clear
  B)
          3    
  done clear
  C)
   6                            
  done clear
  D)
          5
  done clear
  View Answer play_arrow

• question_answer63) Diffraction pattern for a plane progressive wave is obtained from the edges of a disc. If screen is taken nearby the disc then the intensity of diffraction pattern will be:
  A)
   increases            
  done clear
  B)
               decreases           
  done clear
  C)
                remain unchanged             
  done clear
  D)
   first increases and then decreases
  done clear
  View Answer play_arrow

• question_answer64) Two ions\[A:{{Z}_{1}}=24\] and charge = e and B \[:{{Z}_{2}}=22\] and charge = 2e are enter in a transverse uniform magnetic field with same velocity in mass spectrograph then the ratio of their radii are:          
  A)
   \[\frac{11}{24}\]                             
  done clear
  B)
          \[\frac{12}{11}\]   
  done clear
  C)
   \[\frac{11}{22}\]                             
  done clear
  D)
          \[\frac{24}{11}\]
  done clear
  View Answer play_arrow

• question_answer65) If prism angle\[\alpha =1{}^\circ ,\,\mu =1.54,\] distance between screen and prism \[(b)=0.7\,m,\] distance between prism and source \[a=0.3\,m,\] \[\lambda =180\pi \] nm then in Fresnal \[\] biprism find the value of P (finge width):
  A)
   \[{{10}^{-4}}m\]
  done clear
  B)
                          \[{{10}^{-3}}mm\]
  done clear
  C)
   10-4\[\times \pi m\]  
  done clear
  D)
          \[\pi \times \]10-3m
  done clear
  View Answer play_arrow

• question_answer66) Magnetic field at point 0 will be :
  A)
   \[\frac{{{\mu }_{0}}I}{2R}\]interior        
  done clear
  B)
          \[\frac{{{\mu }_{0}}I}{2R}\]exterior
  done clear
  C)
   \[\frac{{{\mu }_{0}}I}{2R}\left( 1-\frac{1}{\pi } \right)\]
  done clear
  D)
         \[\frac{{{\mu }_{0}}I}{2R}\left( 1+\frac{1}{\pi } \right)\]exterior
  done clear
  View Answer play_arrow

• question_answer67) Find the ratio of electric field at the position of end on and equator of a dipole:
  A)
   1 : 2                      
  done clear
  B)
          2 : 1
  done clear
  C)
   1 : 1                      
  done clear
  D)
          1 : 3
  done clear
  View Answer play_arrow

• question_answer68) Current\[I\]is flowing in a conducting circular loop of radius R. It is kept in a magnetic field B which is perpendicular to the plane of circular loop. Find the magnetic force acting on the loop:
  A)
   \[IRB\]                                
  done clear
  B)
          \[2\pi IRB\]
  done clear
  C)
   zero                     
  done clear
  D)
          \[\pi IRB\]
  done clear
  View Answer play_arrow

• question_answer69) According to Bohrs model of hydrogen atom, relation between principal quantum number n and radius of stable orbit:
  A)
   \[r\propto \frac{1}{n}\]               
  done clear
  B)
          \[r\propto n\]
  done clear
  C)
   \[r\propto \frac{1}{{{n}^{2}}}\]                
  done clear
  D)
          \[r\propto {{n}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer70) An open organ pipe of length 33 cm, vibratos with frequency 1000 Hz. If velocity of sound in 330 m/s. Then its frequency is:
  A)
   fundamental frequency
  done clear
  B)
   first overtone of pipe
  done clear
  C)
   second overtone
  done clear
  D)
   fourth overtone
  done clear
  View Answer play_arrow

• question_answer71) Find the ratio of moment inertia of a ring about an axis passing through the circumference and perpendicular to the plane to the moment inertia about its diameter:
  A)
   1 : 4                      
  done clear
  B)
          4 : 1  
  done clear
  C)
   1 : 2                      
  done clear
  D)
          2 : 1
  done clear
  View Answer play_arrow

• question_answer72) A stone of mass 0.2 kg is tied to one end of a thread of length 0.1 m2 whirled in a vertical circle. When the stone is at the lowest point of circle, tension m thread is 52N, then velocity of the stone will be:
  A)
   4 m/s                   
  done clear
  B)
          5 m/s
  done clear
  C)
   6 m/s                   
  done clear
  D)
          7 m/s
  done clear
  View Answer play_arrow

• question_answer73) The ratio of kinetic energy to total energy, for\[{{n}^{th}}\] shell of an atom will be:
  A)
   1                            
  done clear
  B)
          -1   
  done clear
  C)
   \[_{l}2\]                             
  done clear
  D)
          \[\frac{1}{{{n}^{2}}}\]
  done clear
  View Answer play_arrow

• question_answer74) 40 W, 100 W and 200 W bulbs are connected with a source of 200 V. Rating of all bulbs arc also 200 V, Now, they are connected in series, then which bulbs will glow more:
  A)
   300W                                   
  done clear
  B)
   100W
  done clear
  C)
   40 W                    
  done clear
  D)
          all gives same light
  done clear
  View Answer play_arrow

• question_answer75) Two simple pendulum first of bob mass \[{{M}_{1}}\] and length \[{{L}_{1}}\] second of bob mass \[{{M}_{2}}\] and length \[{{L}_{2.}}\,{{M}_{1}}={{M}_{2}}\]and \[{{L}_{1}}=2{{L}_{2.}}\]If these vibrational energy of both is same. Then which is correct?
  A)
   Amplitude of B greater than A
  done clear
  B)
   Amplitude of B smaller than A
  done clear
  C)
   Amplitudes will be same
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer76)  n equal cells having e.m.f. E and internal resistance r, are connected in circuit of a resistance R. Same current flows in circuit either they connected in series or parallel, if:
  A)
   \[R=nr\]             
  done clear
  B)
          \[R=\frac{r}{n}\]
  done clear
  C)
   \[R={{n}^{2}}r\]              
  done clear
  D)
          \[R=r\]
  done clear
  View Answer play_arrow

• question_answer77) Which of the following wavelength is not possible for an X-ray tube which is operated at 40 kV.
  A)
   \[0.25\overset{\text{o}}{\mathop{\text{A}}}\,\]                                            
  done clear
  B)
   \[0.5\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  C)
   \[0.52\overset{\text{o}}{\mathop{\text{A}}}\,\]            
  done clear
  D)
                          \[1\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer78) Transistor   is   more   useful   than triode-because:
  A)
   transistor are very small in size
  done clear
  B)
   in transistor bearing capacity of heat is less than triode
  done clear
  C)
   there is not need of heating in transistor
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer79) A stone is attached to the end of a string and whirled in horizontal circle, then :
  A)
   its linear and angular momentum are constant
  done clear
  B)
   only linear momentum is constant
  done clear
  C)
   its angular momentum is constant but linear momentum is variable
  done clear
  D)
   both are variable
  done clear
  View Answer play_arrow

• question_answer80) A particle is executing S.H.M. of frequency 300 Hz and with amplitude 0.1 cm. Its maximum velocity will be:
  A)
   \[60\,\pi \,cm/s\]           
  done clear
  B)
          \[0.6\,\pi \,cm/s\]
  done clear
  C)
   \[0.50\,\pi \,cm/s\]     
  done clear
  D)
          \[0.05\,\pi \,cm/s\]
  done clear
  View Answer play_arrow

• question_answer81) Which type of losses occurs in transformer?
  A)
   Mechanical       
  done clear
  B)
          Copper
  done clear
  C)
   Hysterists          
  done clear
  D)
          Eddy current
  done clear
  View Answer play_arrow

• question_answer82) A sound wave of frequency 5Hz, has velocity 360 m/s. If phase difference between two particles is\[60{}^\circ \], then path difference will be:
  A)
   1.2m                    
  done clear
  B)
          12m
  done clear
  C)
   2.1 m                   
  done clear
  D)
          0.21m
  done clear
  View Answer play_arrow

• question_answer83) Positively charged rays/particles are :
  A)
   \[\text{-}\]rays
  done clear
  B)
   neutron
  done clear
  C)
   ion
  done clear
  D)
   electrons magnetic radiation
  done clear
  View Answer play_arrow

• question_answer84) A body is rotating with uniform angular acceleration. If it starts from rest then after time t, angular displacement is proportional to:
  A)
   \[\sqrt{t}\]                                        
  done clear
  B)
   \[t\]     
  done clear
  C)
   \[{{t}^{3}}\]                                      
  done clear
  D)
   \[{{t}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer85) The time period of a simple pendulum in a stationary lift 10 T. when the lift falls freely, then its time period will be:
  A)
   T                            
  done clear
  B)
          2T  
  done clear
  C)
   \[\infty \]                          
  done clear
  D)
          0
  done clear
  View Answer play_arrow

• question_answer86) Linear density of a string is \[1.3\times {{10}^{-4}}\,kg/m\] and wave equation is y = 0.021 sin (x + 30 0. Find the tension in the string where x in metre and t in second:
  A)
   0.12 N                 
  done clear
  B)
   0.21 N
  done clear
  C)
   1.2 N                    
  done clear
  D)
          0.012 N
  done clear
  View Answer play_arrow

• question_answer87) Point of suspension and point of oscillation have:
  A)
   same time period and can be inter changeable
  done clear
  B)
   same time period and non inter changeable
  done clear
  C)
   unequal time period and can be inter changeable
  done clear
  D)
   unequal time period and in inter changeable
  done clear
  View Answer play_arrow

• question_answer88) Graph between absolute temperature T and square of sound velocity will be:
  A)
   circular                        
  done clear
  B)
   elliptical
  done clear
  C)
   straight line with positive slope
  done clear
  D)
   straight line with negative slope
  done clear
  View Answer play_arrow

• question_answer89) If diode is ideal then potential at A will be:
  A)
   0.0V                                     
  done clear
  B)
   0.3V
  done clear
  C)
   0.7V                     
  done clear
  D)
          6.0V
  done clear
  View Answer play_arrow

• question_answer90) If a light wave passes through transparent medium (like as glass). Then:
  A)
   velocity of all light waves will be same
  done clear
  B)
   velocity of longer wavelength will be
  done clear
  C)
   velocity of longest wavelength will be maximum
  done clear
  D)
   velocity of shorter wavelength will be maximum
  done clear
  View Answer play_arrow

• question_answer91) Length of a potentiometer wire is kept more and uniform to achieve :
  A)
   uniform and more potential gradient
  done clear
  B)
   non-uniform and more potential gradient
  done clear
  C)
   uniform and less potential gradient
  done clear
  D)
   non-uniform and  less potential gradient
  done clear
  View Answer play_arrow

• question_answer92) When temperature of a gas is increased, then which of the following is always true:                           
  A)
   work is done on the gas     
  done clear
  B)
   heat is supplied to gas       
  done clear
  C)
   energy of gas is increased
  done clear
  D)
   pressure of a gas does not increased
  done clear
  View Answer play_arrow

• question_answer93) Which of the following statement is incorrect according to assumptions of kinetic theory of gases?
  A)
   Potential energy of a molecule is zero
  done clear
  B)
   Molecules moves randomly in all directions
  done clear
  C)
   Kinetic energy of molecules change when they collids with wall of container
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer94) Electromagnets are made of soft iron (because soft iron have :
  A)
   low retentivity and high susceptibility
  done clear
  B)
   low retentivity and low susceptibility
  done clear
  C)
   high retentivity and high susceptibility
  done clear
  D)
   high retentivity and low susceptibility
  done clear
  View Answer play_arrow

• question_answer95) The lines of magnetic induction due to a current carrying straight long conductor:
  A)
   parallel to wire
  done clear
  B)
   perpendicular to wire
  done clear
  C)
   concentric circular
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer96) Real power consumption in a circuit is least when it contains :
  A)
   high R low L  
  done clear
  B)
                         high R high L
  done clear
  C)
   low R high L      
  done clear
  D)
          high R low C
  done clear
  View Answer play_arrow

• question_answer97) For constant plate voltage, plate current will be maximum when :
  A)
   \[{{V}_{G}}+\upsilon e,{{V}_{p}}=-\upsilon e\]
  done clear
  B)
   \[{{V}_{G}}+\upsilon e,{{V}_{p}}=+\upsilon e\]
  done clear
  C)
   \[{{V}_{G}}-\upsilon e,{{V}_{p}}=+\upsilon e\]
  done clear
  D)
   \[{{\upsilon }_{G}}=0,\,{{V}_{p}}=+\,\upsilon e\]
  done clear
  View Answer play_arrow

• question_answer98) For given arrangement (in horizontal plane) the possible direction of magnetic field:
  A)
   towards right                   
  done clear
  B)
   towards left
  done clear
  C)
   vertically upward           
  done clear
  D)
   vertically downward
  done clear
  View Answer play_arrow

• question_answer99) How many unpaired electrons are present in cobalt \[[Co]\] metal?
  A)
   \[2\]                                    
  done clear
  B)
   \[3\]
  done clear
  C)
   \[4\]                   
  done clear
  D)
                                          \[7\]                                    
  done clear
  View Answer play_arrow

• question_answer100) Isoelectronic species is:
  A)
   \[{{F}^{-}},{{O}^{-2}}\]
  done clear
  B)
            \[{{F}^{-}},O\]
  done clear
  C)
   \[{{F}^{-}},{{O}^{+}}\]     
  done clear
  D)
   \[{{F}^{-}},{{O}^{+2}}\]
  done clear
  View Answer play_arrow

• question_answer101) How many-ions are produce in aqueous solution of \[[Co{{({{H}_{2}}O)}_{6}}]C{{l}_{2}}\]?
  A)
   \[2\]                    
  done clear
  B)
          \[3\]    
  done clear
  C)
          \[4\]                    
  done clear
  D)
          \[6\]
  done clear
  View Answer play_arrow

• question_answer102) The magnetic quantum number of valence electron of sodium \[(Na)\] is:
  A)
   \[3\]    
  done clear
  B)
                          \[2\]                    
  done clear
  C)
   \[1\]                    
  done clear
  D)
          \[0\]
  done clear
  View Answer play_arrow

• question_answer103) For the reaction, \[CaC{{O}_{3}}(s)CaO(s)+C{{O}_{2}}(g);\] \[{{K}_{P}}\]is:
  A)
   \[{{K}_{P}}={{P}_{(CaC{{O}_{3}})}}\]  
  done clear
  B)
   \[{{K}_{P}}={{P}_{(C{{O}_{2}})}}\]
  done clear
  C)
   \[{{K}_{P}}=\frac{1}{{{P}_{(CaC{{O}_{3}})}}}\]  
  done clear
  D)
   \[{{K}_{P}}=\frac{1}{{{P}_{(C{{O}_{2}})}}}\]
  done clear
  View Answer play_arrow

• question_answer104) The relationship between ionization and change in concentration of any weak electrolyte is represented as:
  A)
   \[\alpha =\frac{{{K}_{a}}}{C}\]       
  done clear
  B)
   \[\alpha =\sqrt{\frac{{{K}_{a}}}{C}}\]
  done clear
  C)
   \[\alpha ={{K}_{a}}.C\]
  done clear
  D)
   \[\alpha =\frac{\sqrt{{{K}_{a}}}}{{{C}^{2}}}\]
  done clear
  View Answer play_arrow

• question_answer105) Which compound decolorizes iodine solution?                                      
  A)
   \[{{H}_{2}}S{{O}_{4}}\]        
  done clear
  B)
   \[N{{a}_{2}}S\]
  done clear
  C)
   \[N{{a}_{2}}S{{O}_{4}}\]       
  done clear
  D)
   \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer106) Which quantum number is not related with Schrodinger equation?
  A)
   Principal             
  done clear
  B)
          Azimuthal          
  done clear
  C)
          Magnetic      
  done clear
  D)
          Spin
  done clear
  View Answer play_arrow

• question_answer107) Which of following is not Lewis base?
  A)
   \[N{{H}_{3}}\]       
  done clear
  B)
   \[P{{H}_{3}}\]
  done clear
  C)
   \[{{(C{{H}_{3}})}_{3}}N\]      
  done clear
  D)
   \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer108) An element have atomic weight 40 and its electronic configuration is \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}\] . Then its atomic number and number of neutrons will be:
  A)
   \[18\] and \[22\]      
  done clear
  B)
   \[22\] and \[18\]
  done clear
  C)
   \[20\] and \[20\]
  done clear
  D)
   \[40\] and \[18\]
  done clear
  View Answer play_arrow

• question_answer109) An alcoholic drinks substance \[pH=4.7\] then \[^{-}OH\] ion concentration of this solution is:
  A)
   \[3\times {{10}^{-10}}\]
  done clear
  B)
   \[5\times {{10}^{-10}}\]
  done clear
  C)
   \[1\times {{10}^{-10}}\]       
  done clear
  D)
   \[5\times {{10}^{-2}}\]
  done clear
  View Answer play_arrow

• question_answer110) Which of the following is weakest bond?
  A)
   Ionic                    
  done clear
  B)
          Covalent            
  done clear
  C)
          Metallic              
  done clear
  D)
          van der Waals
  done clear
  View Answer play_arrow

• question_answer111) \[{{[Ti{{({{H}_{2}}O)}_{6}}]}^{+3}}\] is paramagnetic in nature due to:
  A)
   one unpaired \[{{e}^{-}}\]
  done clear
  B)
   Two unpaired \[{{e}^{-}}\]
  done clear
  C)
   three unpaired \[{{e}^{-}}\]
  done clear
  D)
   no unpaired \[{{e}^{-}}\]
  done clear
  View Answer play_arrow

• question_answer112) Which of the following has lowest first ionization energy?
  A)
   \[H\]   
  done clear
  B)
          \[He\]                 
  done clear
  C)
   \[Xe\]                 
  done clear
  D)
          \[Li\]
  done clear
  View Answer play_arrow

• question_answer113) Chlorophyll contains:
  A)
   \[Fe\]                  
  done clear
  B)
          \[Na\]                 
  done clear
  C)
   \[Mg\]                
  done clear
  D)
          \[Zn\]
  done clear
  View Answer play_arrow

• question_answer114) The bond angle of water \[{{104}^{o}}31\] due to:
  A)
   repulsion between \[1p\] and bond pair
  done clear
  B)
   \[s{{p}^{3}}\]-hybridization of O
  done clear
  C)
   H-bonding
  done clear
  D)
   higher electronegativity of O
  done clear
  View Answer play_arrow

• question_answer115) Maximum oxidation state of \[Cr\] is:
  A)
   \[3\]    
  done clear
  B)
                          \[4\]    
  done clear
  C)
          \[6\]                    
  done clear
  D)
          \[7\]
  done clear
  View Answer play_arrow

• question_answer116) At \[298\text{ }K,\] the solubility of \[PbC{{l}_{2}}\]is \[2\times {{10}^{-2}}\text{ }mol/litre\]then \[{{K}_{sp}}=?\]:
  A)
   \[1\times {{10}^{-7}}\]
  done clear
  B)
   \[3.2\times {{10}^{-2}}\]
  done clear
  C)
   \[1\times {{10}^{-5}}\]         
  done clear
  D)
   \[3.2\times {{10}^{-5}}\]
  done clear
  View Answer play_arrow

• question_answer117) For  \[{{N}_{2}}+3{{H}_{2}}2N{{H}_{3}}\] .equilibrium constant is K then equilibrium constant for \[2{{N}_{2}}+6{{H}_{2}}4N{{H}_{3}}\]:
  A)
   \[\sqrt{K}\]                       
  done clear
  B)
          \[{{K}^{2}}\]                     
  done clear
  C)
   \[\frac{K}{2}\]                 
  done clear
  D)
          \[\sqrt{\frac{1}{K}}+1\]
  done clear
  View Answer play_arrow

• question_answer118) Which solution used as electrolyte in aluminium metal extraction?
  A)
   \[A{{l}_{2}}{{O}_{3}}.{{H}_{2}}O\]
  done clear
  B)
   \[A{{l}_{2}}{{O}_{3}}.{{H}_{2}}O\] and \[N{{a}_{3}}Al{{F}_{6}}\](molten solution)
  done clear
  C)
   \[A{{l}_{2}}{{O}_{3}}\]
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer119) Which of the following most reducing agent?
  A)
  \[HN{{O}_{3}}\]                               
  done clear
  B)
   \[Na\]                 
  done clear
  C)
          \[C{{l}_{2}}\]   
  done clear
  D)
          \[Cr\]
  done clear
  View Answer play_arrow

• question_answer120) \[C{{N}^{\bigcirc -}}\] solution used in extraction of which metal:
  A)
   \[Ag\]                                 
  done clear
  B)
   \[Ti\]                   
  done clear
  C)
   \[Zn\]                  
  done clear
  D)
          \[Sn\]
  done clear
  View Answer play_arrow

• question_answer121) What conclusion come from Rutherford \[\alpha \]-particle scattering experiment?
  A)
   Nucleus is made up of proton and electron
  done clear
  B)
   Number of electron and proton are same
  done clear
  C)
   Proton is small positively charged centre
  done clear
  D)
   Electron spin continuously in a energy shell
  done clear
  View Answer play_arrow

• question_answer122) Oxidation state of \[Fe\] in \[{{K}_{3}}[Fe{{(CN)}_{6}}]\]:
  A)
   \[2\]                    
  done clear
  B)
          \[3\]                    
  done clear
  C)
   \[0\]                    
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer123) Conjugate base of \[N{{H}_{3}}\]is:
  A)
   \[N{{H}_{4}}^{\oplus }\]             
  done clear
  B)
          \[N{{H}_{2}}^{\oplus }\]             
  done clear
  C)
          \[N{{H}_{2}}^{\bigcirc -}\]          
  done clear
  D)
          \[{{N}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer124) Blood pH remain constant due to presence of:
  A)
   acidic solution  
  done clear
  B)
   basic solution
  done clear
  C)
   blood protein   
  done clear
  D)
   buffer effect
  done clear
  View Answer play_arrow

• question_answer125) Which of the following not Lewis acid?
  A)
   \[AlC{{l}_{3}}\]                
  done clear
  B)
          \[FeC{{l}_{3}}\]               
  done clear
  C)
          \[BC{{l}_{3}}\] 
  done clear
  D)
          \[P{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer126) Aqueous solution of \[AlC{{l}_{3}}\] is:
  A)
   acidic                   
  done clear
  B)
          basic    
  done clear
  C)
          amphoteric     
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer127) Electronic configuration of \[F{{e}^{+2}}\] is:
  A)
   \[[Ar]\,4{{s}^{2}}\,3{{d}^{6}}\]
  done clear
  B)
   \[[Ar]\,\,3{{d}^{6}}\]
  done clear
  C)
   \[[Ar]\,\,4{{s}^{2}}3{{d}^{4}}\]    
  done clear
  D)
   \[[Ar]\,\,4{{s}^{2}}3{{d}^{0}}\]
  done clear
  View Answer play_arrow

• question_answer128) Relation between \[{{K}_{p}}\] and \[{{K}_{c}}\] is:
  A)
   \[{{K}_{c}}={{K}_{p}}{{(RT)}^{\Delta n}}\]
  done clear
  B)
   \[{{K}_{p}}={{K}_{c}}{{(RT)}^{\Delta n}}\]
  done clear
  C)
   \[{{K}_{c}}={{K}_{p}}{{(RT)}^{-\Delta n}}\]
  done clear
  D)
   both (b) and (c)
  done clear
  View Answer play_arrow

• question_answer129) Indicator which not used for titration of \[{{S}_{A}}\] and \[{{S}_{B}}\]?
  A)
   \[MeOH\]        
  done clear
  B)
   \[HPh\]
  done clear
  C)
   Aniline blue   
  done clear
  D)
   starch
  done clear
  View Answer play_arrow

• question_answer130) In this reaction, \[{{I}_{2}}+{{I}^{-}}\xrightarrow{{}}{{I}_{3}}^{\bigcirc -}\]Lewis base is:
  A)
   \[{{I}_{2}}\]            
  done clear
  B)
   \[{{I}^{\bigcirc -}}\]
  done clear
  C)
   \[{{I}_{3}}^{\bigcirc -}\]           
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer131) \[{{H}_{2}}(g)+{{I}_{2}}(g)2HI(g)\] In this reaction when increase pressure the reaction direction is:
  A)
   does not change
  done clear
  B)
   forward
  done clear
  C)
   backward     
  done clear
  D)
   decrease          
  done clear
  View Answer play_arrow

• question_answer132) Chemical property of \[Li\] and \[Mg\] is similar because:
  A)
   these belong to same group
  done clear
  B)
   both IP is same
  done clear
  C)
   shows diagonal relationship
  done clear
  D)
   both EA is same
  done clear
  View Answer play_arrow

• question_answer133) Which property does not change in a group of periodic table?
  A)
   Electronegativity
  done clear
  B)
   Atomic size
  done clear
  C)
   Electron affinity
  done clear
  D)
   Valence \[{{e}^{-}}\]
  done clear
  View Answer play_arrow

• question_answer134) Correct for \[{{N}_{2}}\] triple bond:
  A)
   \[3\sigma \]                      
  done clear
  B)
          \[1\pi ,\,2\sigma \]        
  done clear
  C)
          \[2\pi ,1\sigma \]            
  done clear
  D)
          \[3\pi \]
  done clear
  View Answer play_arrow

• question_answer135) If in hybrid orbital s-orbital character increases, then bond angle:
  A)
   increases       
  done clear
  B)
   decreases
  done clear
  C)
   zero           
  done clear
  D)
   does not change
  done clear
  View Answer play_arrow

• question_answer136) Sodium gives blue colour with \[N{{H}_{3}}\] solution this blue colour due to:
  A)
   ammoniated \[N{{a}^{\oplus }}\]
  done clear
  B)
   ammoniated \[N{{a}^{\bigcirc -}}\]
  done clear
  C)
   ammoniated \[{{e}^{-}}\]
  done clear
  D)
   \[N{{a}^{+}}/N{{a}^{-}}\] pair
  done clear
  View Answer play_arrow

• question_answer137) When \[{{H}_{2}}S\] is passed through a mixture containing  \[C{{u}^{+2}},\] \[N{{i}^{+2}},\] \[Z{{n}^{+2}}\]in acidic solution then ion will precipitate:
  A)
   \[C{{u}^{+2}},N{{i}^{+2}}\]
  done clear
  B)
  \[N{{i}^{+2}}\]
  done clear
  C)
   \[C{{u}^{+2}},Z{{n}^{+2}}\]     
  done clear
  D)
   \[C{{u}^{+2}}\]
  done clear
  View Answer play_arrow

• question_answer138) pH of human blood is \[7.4\]. Then \[{{H}^{+}}\] concentration will be:
  A)
   \[4\times {{10}^{-8}}\]
  done clear
  B)
   \[2\times {{10}^{-8}}\]
  done clear
  C)
   \[4\times {{10}^{-4}}\]   
  done clear
  D)
   \[2\times {{10}^{-4}}\]
  done clear
  View Answer play_arrow

• question_answer139) In the conversion \[B{{r}_{2}}\to Br{{O}_{3}}^{-}\] oxidation state of bromine changes:
  A)
   \[0\] to \[5\]  
  done clear
  B)
   \[1\]to \[3\]           
  done clear
  C)
   \[2\] to\[4\]
  done clear
  D)
   \[5\]to \[1\] 
  done clear
  View Answer play_arrow

• question_answer140) Oxidation state of oxygen in \[{{H}_{2}}{{O}_{2}}\]is:
  A)
   \[-1\]                                   
  done clear
  B)
   \[+1\]                  
  done clear
  C)
   \[-2\]                   
  done clear
  D)
          \[+2\]
  done clear
  View Answer play_arrow

• question_answer141) Which compound aqueous solution is colored?                                  
  A)
   \[Zn{{(N{{O}_{3}})}_{2}}\]
  done clear
  B)
   \[LiN{{O}_{3}}\]      
  done clear
  C)
   \[Co{{(N{{O}_{3}})}_{2}}\]
  done clear
  D)
   \[Ba{{(N{{O}_{3}})}_{2}}\]           
  done clear
  View Answer play_arrow

• question_answer142) Property of ionic compound is:              
  A)
   high M.R and high B.R                    
  done clear
  B)
   high M,R and low B.R                    
  done clear
  C)
   low M.R and high B.R                    
  done clear
  D)
   low M.R and low B.R                   
  done clear
  View Answer play_arrow

• question_answer143) Collins reagent is:                           
  A)
   \[Mn{{O}_{2}}/HCl\]
  done clear
  B)
   \[Mn{{O}_{4}}/{{C}_{5}}{{H}_{5}}N\]  
  done clear
  C)
       \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}/{{H}_{2}}S{{O}_{4}}\]
  done clear
  D)
   \[C{{r}_{2}}{{O}_{3}}/2{{C}_{5}}{{H}_{5}}N\] 
  done clear
  View Answer play_arrow

• question_answer144) On reacting with G.R. acetone gives:
  A)
   \[{{1}^{o}}\] alcohol      
  done clear
  B)
   \[{{2}^{o}}\]alcohol
  done clear
  C)
   \[{{3}^{o}}\] alcohol      
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer145) Depletion of ozone layer caused by:
  A)
   freon          
  done clear
  B)
   alkane
  done clear
  C)
   Gringard reagent
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer146) Which compound shows dipole moment?
  A)
   1, 4-di-chloro benzene
  done clear
  B)
   1, 2 -di-chloro benzene
  done clear
  C)
   trans-1, 2 di-chloro ethane
  done clear
  D)
   frans-2-butene
  done clear
  View Answer play_arrow

• question_answer147) Product formed by reaction between primary amine \[CHC{{l}_{3}}\] and alcoholic \[KOH\]:
  A)
   cynide                                 
  done clear
  B)
   iso cynide          
  done clear
  C)
          nitro amine    
  done clear
  D)
          alkane
  done clear
  View Answer play_arrow

• question_answer148) IUPAC name of compound is: \[C{{H}_{3}}-C{{H}_{2}}-CH(C{{H}_{3}})-C{{H}_{2}}-COCl\]
  A)
   3-methyl pentanoyl chloride
  done clear
  B)
   3-methyl butanoyl chloride
  done clear
  C)
   1-chloro-3-methyl pentanol
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer149) Which statement is true?
  A)
   The bp. of diethyl ether and \[{{C}_{2}}{{H}_{5}}OH\] is equal
  done clear
  B)
   Diethyl ether have dipole moment
  done clear
  C)
   Diethyl ether high dissolve in water
  done clear
  D)
   Diethyl ether is Lewis acid
  done clear
  View Answer play_arrow

• question_answer150) What product is formed when acetic acid react with \[{{P}_{2}}{{O}_{5}}\]?
  A)
   Acetyl chloride
  done clear
  B)
   Trichloro acetic acid
  done clear
  C)
   Acetic anhydride
  done clear
  D)
   Di-chloro acetic acid
  done clear
  View Answer play_arrow

• question_answer151) What product is formed when diethyl ether on exposure to sunlight and air with a long period?
  A)
   Peroxide       
  done clear
  B)
   Ethyl alcohol
  done clear
  C)
   Di-ethyl ketone
  done clear
  D)
   Ethane
  done clear
  View Answer play_arrow

• question_answer152) Hybridisation of O atom in ether is:
  A)
   \[s{{p}^{3}}\]                                   
  done clear
  B)
   \[s{{p}^{2}}\]                   
  done clear
  C)
   \[sp\]                  
  done clear
  D)
          \[ds{{p}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer153) What product is formed when 1-chlorobutane react with alcoholic \[KOH\]?
  A)
   \[1-Butene\]
  done clear
  B)
   \[2-Butene\]
  done clear
  C)
   \[1-Butanol\]
  done clear
  D)
   \[2-Butaneol\]
  done clear
  View Answer play_arrow

• question_answer154) Which compound give \[C{{O}_{2}}\] with\[NaHC{{O}_{3}}\]?
  A)
   Phenol
  done clear
  B)
   Phenol + acetic acid
  done clear
  C)
   n-butanol
  done clear
  D)
   Acetic acid
  done clear
  View Answer play_arrow

• question_answer155) Primary \[({{1}^{o}}),\] secondary \[({{2}^{o}}),\] tertiary \[({{3}^{o}})\]alcohol order of boiling point is:
  A)
   \[{{1}^{o}}>{{2}^{o}}>{{3}^{o}}\]                            
  done clear
  B)
   \[{{3}^{o}}>{{2}^{o}}>{{1}^{o}}\]
  done clear
  C)
   \[{{2}^{o}}>{{1}^{o}}>{{3}^{o}}\]    
  done clear
  D)
                          \[{{2}^{o}}>{{3}^{o}}>{{1}^{o}}\]
  done clear
  View Answer play_arrow

• question_answer156) Process by which formation of acetone take place:
  A)
   pyrolysis of \[C{{H}_{3}}COOH\]
  done clear
  B)
   oxidation of \[C{{H}_{3}}COOH\]
  done clear
  C)
   pyrolysis of calcium acetate
  done clear
  D)
   oxidation of n-propyl alcohol
  done clear
  View Answer play_arrow

• question_answer157) Which of the following is not a member of homologus series?
  A)
   Ethene                               
  done clear
  B)
   1-butene           
  done clear
  C)
          2-butene      
  done clear
  D)
          2-butyne
  done clear
  View Answer play_arrow

• question_answer158) Calcium carbide on hydrolysis form:
  A)
   ethane                               
  done clear
  B)
   ethylene            
  done clear
  C)
          methane       
  done clear
  D)
          acetylene
  done clear
  View Answer play_arrow

• question_answer159) Which of following gives \[{{H}_{2}}S\] gas with \[Na\]?
  A)
   \[C{{H}_{4}}\]                                  
  done clear
  B)
   \[{{C}_{2}}{{H}_{6}}\]   
  done clear
  C)
          \[{{C}_{2}}{{H}_{4}}\]                   
  done clear
  D)
          \[{{C}_{2}}{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer160) Which of following exist as zwitter ion?
  A)
   Ammonium acetate
  done clear
  B)
   Ethyl acetate
  done clear
  C)
   Glycine           
  done clear
  D)
   Aniline hydrochloride
  done clear
  View Answer play_arrow

• question_answer161) Compound which is used for separation of acetone and acetophenone?
  A)
   Sodium bisulphite
  done clear
  B)
   Girgnard reagent
  done clear
  C)
   Sodium sulphate
  done clear
  D)
   Ammonium chloride
  done clear
  View Answer play_arrow

• question_answer162) Which compound is chiral?
  A)
   Butane
  done clear
  B)
   1-Chloro-2-methyl butane
  done clear
  C)
   2-Methyl butane
  done clear
  D)
   2-Methyl propane
  done clear
  View Answer play_arrow

• question_answer163) General formula of paraffin is:
  A)
   \[{{C}_{n}}{{H}_{2n}}\]        
  done clear
  B)
   \[{{C}_{n}}{{H}_{2n-2}}\]
  done clear
  C)
   \[{{C}_{n}}{{H}_{2n+2}}\]      
  done clear
  D)
   \[{{C}_{2n}}{{H}_{2n}}\]
  done clear
  View Answer play_arrow

• question_answer164) Methyl acetate and propionic acid are:
  A)
   functional isomer
  done clear
  B)
   structural isomer
  done clear
  C)
   stereo isomer
  done clear
  D)
   geometrical isomer
  done clear
  View Answer play_arrow

• question_answer165) Et. \[MgBr+C{{O}_{2}}\to \]Product is:
  A)
   \[{{C}_{3}}{{H}_{7}}COOH\]
  done clear
  B)
   \[{{C}_{2}}{{H}_{5}}COOH\]
  done clear
  C)
   \[{{C}_{4}}{{H}_{9}}COOH\]
  done clear
  D)
   \[HCOOH\]
  done clear
  View Answer play_arrow

• question_answer166) \[H-C\equiv C-HC=C{{H}_{2}}\] compound have hybridisation of \[C-C\] single bond is:
  A)
   \[s{{p}^{3}}-s{{p}^{3}}\]         
  done clear
  B)
          \[s{{p}^{3}}-s{{p}^{2}}\]              
  done clear
  C)
          \[sp-s{{p}^{2}}\]          
  done clear
  D)
          \[sp-s{{p}^{3}}\]
  done clear
  View Answer play_arrow

• question_answer167) \[RCON{{H}_{2}}+B{{r}_{2}}+KOH\to \]main product is:
  A)
   \[RCN\]         
  done clear
  B)
   \[RCON{{H}_{2}}\]
  done clear
  C)
   \[R-C{{H}_{2}}-N{{H}_{2}}\] 
  done clear
  D)
      \[RN{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer168) Total isomer of \[{{C}_{4}}{{H}_{10}}\] is:
  A)
   zero     
  done clear
  B)
          \[2\]    
  done clear
  C)
          \[3\]                    
  done clear
  D)
          \[4\]
  done clear
  View Answer play_arrow

• question_answer169) Which compound increases ant knocking property of gasoline?
  A)
   \[{{({{C}_{2}}{{H}_{5}})}_{4}}Pb\]
  done clear
  B)
   \[{{({{C}_{2}}{{H}_{5}})}_{2}}Pb\]
  done clear
  C)
   \[{{(C{{H}_{3}})}_{4}}Pb\] 
  done clear
  D)
   \[{{(C{{H}_{3}})}_{2}}Pb\]
  done clear
  View Answer play_arrow

• question_answer170) Bayers reagent is used for detection of:
  A)
   amines
  done clear
  B)
   glucose
  done clear
  C)
   unsaturated bond
  done clear
  D)
   alcohol
  done clear
  View Answer play_arrow

• question_answer171) Which compound does not give Cannizzaros is reaction?
  A)
   N.O.T.        
  done clear
  B)
   Benzaldehyde
  done clear
  C)
   Formaldehyde
  done clear
  D)
   Acetaldehyde     
  done clear
  View Answer play_arrow

• question_answer172) A and B react with \[Na\] gives \[{{H}_{2}}\] gas and by reaction of both A and B formed ethyl acetate is formed then A and B is:
  A)
   \[C{{H}_{3}}COOH,{{C}_{2}}{{H}_{5}}OH\]
  done clear
  B)
   \[C{{H}_{3}}COOH,C{{H}_{3}}OH\]         
  done clear
  C)
   \[{{C}_{3}}{{H}_{7}}COOH,{{C}_{3}}{{H}_{7}}OH\]
  done clear
  D)
   \[HCOOH,C{{H}_{3}}COOH\]
  done clear
  View Answer play_arrow

• question_answer173) A compound \[{{C}_{5}}{{H}_{8}}\] which give white ppt. with ammonical \[AgN{{O}_{3}}\]. A give \[{{(C{{H}_{3}})}_{2}}CHCOOH\]with hot alkaline \[KMn{{O}_{4}}\]then compound is:
  A)
   \[C{{H}_{3}}C{{H}_{2}}-C{{H}_{2}}-CH=C{{H}_{2}}\]
  done clear
  B)
   \[C{{H}_{3}}-C{{H}_{2}}-C\equiv CH\]
  done clear
  C)
   \[{{(C{{H}_{3}})}_{2}}CH-C\equiv CH\]
  done clear
  D)
   \[C{{H}_{2}}=CH-C{{H}_{2}}-CH=C{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer174) Acidic order of tri-chloroacetic acid , tri-fluro acetic acid (A), acetic acid (C) is:
  A)
   \[A>B>C\]         
  done clear
  B)
   \[B>A>C\]         
  done clear
  C)
          \[C>A>B\]         
  done clear
  D)
          \[B=A=C\]
  done clear
  View Answer play_arrow

• question_answer175) Which of the following is Teflon?
  A)
   \[{{[-C{{F}_{2}}-C{{F}_{2}}-]}_{n}}\]
  done clear
  B)
   \[C{{F}_{2}}=C{{F}_{2}}\]
  done clear
  C)
   \[CF\equiv CF\]   
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer176) Product formed by oxidation of isopropyl alcohol:
  A)
   propene
  done clear
  B)
           acetyldehyde
  done clear
  C)
   acetone        
  done clear
  D)
   ethane
  done clear
  View Answer play_arrow

• question_answer177) Electrophilic substitution reaction in phenol take place at:
  A)
   para position  
  done clear
  B)
   meta position
  done clear
  C)
   ortho position  
  done clear
  D)
   o and p position
  done clear
  View Answer play_arrow

• question_answer178) Which compound gives iodoform by reaction with \[{{I}_{2}}\] and \[NaOH\]?
  A)
   \[C{{H}_{3}}OH\]      
  done clear
  B)
   \[{{C}_{2}}{{H}_{5}}OH\]
  done clear
  C)
   \[{{C}_{3}}{{H}_{7}}OH\]  
  done clear
  D)
   \[{{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}}\]
  done clear
  View Answer play_arrow

• question_answer179) Aryl halide is less reactive than alkyl halide towards nucleophilic substitution because:
  A)
   less stable carbonium ion
  done clear
  B)
   due to large \[C-Cl\]bond energy              
  done clear
  C)
   inductive effect  
  done clear
  D)
                                 resonance stabilization  and \[s{{p}^{2-}}\]hybridisation of C attached to halide      
  done clear
  View Answer play_arrow

• question_answer180) IUPAC name of  \[C{{H}_{2}}=CH-CH{{(C{{H}_{3}})}_{2}}:\]
  A)
   vinyl is propane
  done clear
  B)
   3-methyl-1-butene
  done clear
  C)
   3-methyl-2-butene                        
  done clear
  D)
   1-methyl-3-butene
  done clear
  View Answer play_arrow

• question_answer181) Which of the following gives most stable carbocation by dehydration?
  A)
   \[{{(C{{H}_{3}})}_{2}}CH-OH\]
  done clear
  B)
   \[{{(C{{H}_{3}})}_{2}}C-OH\]
  done clear
  C)
   \[C{{H}_{3}}-C{{H}_{3}}-OH\]
  done clear
  D)
   \[C{{H}_{3}}-C{{H}_{2}}-O-C{{H}_{2}}-C{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer182) Common name of phosgene is:
  A)
   phosphonyl chloride
  done clear
  B)
   carbonyl chloride
  done clear
  C)
   carbon tetra chloride
  done clear
  D)
   tri-phenyl phosphene
  done clear
  View Answer play_arrow

• question_answer183) Glucose \[\to \] ethyl alcohol in this reaction enzyme is
  A)
   zymase                               
  done clear
  B)
   invertase           
  done clear
  C)
          maltase              
  done clear
  D)
          diastage
  done clear
  View Answer play_arrow

• question_answer184) Increasing order of acidity:
  A)
   m-nitro phenol < p - nitro phenol < phenol < p-methyl phenol
  done clear
  B)
   p-methyl phenol < phenol < m-nitro phenol < nitro phenol
  done clear
  C)
   phenol < p-methyl phenol < p-nitro phenol < m-nitro phenol
  done clear
  D)
   all have same acidity
  done clear
  View Answer play_arrow

• question_answer185) Nylon 66 is:
  A)
   polyamide     
  done clear
  B)
   polyester
  done clear
  C)
   polystyrene    
  done clear
  D)
   polyvinyl
  done clear
  View Answer play_arrow

• question_answer186) Normal butane convert into isobutane by:
  A)
   \[LiAl{{H}_{4}}\]
  done clear
  B)
   \[AlC{{l}_{3}}\]
  done clear
  C)
   \[NaB{{H}_{4}}\]       
  done clear
  D)
   \[Zn/HCl\]
  done clear
  View Answer play_arrow

• question_answer187) In the reaction, \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}+HCl+NaN{{O}_{2}}\xrightarrow{{}}X\]product X is:
  A)
   aniline hydrochloride > with the
  done clear
  B)
   nitro aniline
  done clear
  C)
   benzene diazonium chloral
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer188) What is the main product of the reaction between 2-methyl propene with \[HBr\]?
  A)
   1-bromo butane
  done clear
  B)
   1-bromo-2-methyl propane
  done clear
  C)
   2-bromo butane
  done clear
  D)
   2-bromo-2-methyl propane
  done clear
  View Answer play_arrow

• question_answer189) When aliphatic aldehyde heat with Fehling solution product formed is:
  A)
   \[CuO\]                              
  done clear
  B)
   \[C{{u}_{2}}O\]               
  done clear
  C)
   \[CuS{{O}_{4}}\]             
  done clear
  D)
   \[Cu\]
  done clear
  View Answer play_arrow

• question_answer190) Mesitylene is formed by:
  A)
   \[HCHO\]        
  done clear
  B)
   \[C{{H}_{3}}CHO\]
  done clear
  C)
   \[C{{H}_{3}}COC{{H}_{3}}\]   
  done clear
  D)
   \[C{{H}_{3}}COOH\]
  done clear
  View Answer play_arrow

• question_answer191) The correct identification of unsaturated double bond in alkene is done by:
  A)
   hydrogenation
  done clear
  B)
   dehydration
  done clear
  C)
   ozonolysis     
  done clear
  D)
   photolysis
  done clear
  View Answer play_arrow

• question_answer192) How many TC-bonds are present in napthalene molecule?
  A)
   \[3\]                                    
  done clear
  B)
   \[4\]    
  done clear
  C)
          \[5\]                    
  done clear
  D)
          \[6\]
  done clear
  View Answer play_arrow

• question_answer193) Hybridisation state of C in diamond is:
  A)
   \[sp\]                                  
  done clear
  B)
   \[s{{p}^{2}}\]  
  done clear
  C)
   \[s{{p}^{3}}\]  
  done clear
  D)
   \[s{{p}^{3}}d\]
  done clear
  View Answer play_arrow

• question_answer194) \[2Mn{{O}_{4}}^{\bigcirc -}+5{{H}_{2}}{{O}_{2}}+6{{H}^{+}}\to 2Z+5{{O}_{2}}+8{{H}_{2}}O\] In this reaction Z is:
  A)
   \[M{{n}^{+2}}\]                              
  done clear
  B)
   \[M{{n}^{+4}}\]              
  done clear
  C)
          \[Mn{{O}_{2}}^{\bigcirc -}\]      
  done clear
  D)
          \[Mn\]
  done clear
  View Answer play_arrow

• question_answer195) Which of the following element does not occur in liquid form?
  A)
   \[Hg\]                                 
  done clear
  B)
   \[Li\]   
  done clear
  C)
          \[Ga\]                 
  done clear
  D)
          \[Br\]
  done clear
  View Answer play_arrow

• question_answer196) Co-ordinate bond is absent in:
  A)
   \[B{{H}_{4}}^{\bigcirc -}\]                           
  done clear
  B)
   \[C{{O}_{3}}^{-2}\]        
  done clear
  C)
          \[{{H}_{3}}{{O}^{+}}\]                  
  done clear
  D)
          \[N{{H}_{4}}^{\oplus }\]
  done clear
  View Answer play_arrow

• question_answer197) Phenol is used in manufacture of:
  A)
   nylon          
  done clear
  B)
   polystyrene
  done clear
  C)
   bakelite       
  done clear
  D)
   PVC
  done clear
  View Answer play_arrow

• question_answer198) Correct order of base strength is:
  A)
   \[E{{t}_{2}}NH>EtN{{H}_{2}}>E{{t}_{3}}N\]
  done clear
  B)
   \[EtN{{H}_{2}}>E{{t}_{2}}NH>E{{t}_{3}}N\]
  done clear
  C)
   \[E{{t}_{2}}NH>E{{t}_{3}}N>EtN{{H}_{2}}\]
  done clear
  D)
   all have same base strength
  done clear
  View Answer play_arrow

• question_answer199) Reserpine is obtained from:
  A)
   Asafoetida                        
  done clear
  B)
   Rauwolfia serpentine
  done clear
  C)
   Curcuma longa
  done clear
  D)
   Pnpaver sonimferum
  done clear
  View Answer play_arrow

• question_answer200) The coiling of tendril around some base in response to touch is called:
  A)
   hydrotaxis         
  done clear
  B)
          chcmotaxis       
  done clear
  C)
          thigmtropism  
  done clear
  D)
          geotaxis
  done clear
  View Answer play_arrow

• question_answer201) Sperm enters from which part of egg:
  A)
   anywhere in unfertilized egg from animal pole
  done clear
  B)
   from animal pole in unfertilized egg
  done clear
  C)
   in unfertilized egg from vegetal pole
  done clear
  D)
   none of these above
  done clear
  View Answer play_arrow

• question_answer202) Seed coat is derived from:
  A)
   pericarp             
  done clear
  B)
          epicarp               
  done clear
  C)
          integuments of ovule
  done clear
  D)
   nucellus
  done clear
  View Answer play_arrow

• question_answer203) 6 molecules glucose +6 molecules of \[{{O}_{2}}\] and 8 ADP combined to form \[6{{H}_{2}}O,\,6C{{O}_{2}}\] and:
  A)
   38 molecules of ATP     
  done clear
  B)
   28 ATP                                                
  done clear
  C)
   38 ADP                
  done clear
  D)
         28 ADP  
  done clear
  View Answer play_arrow

• question_answer204)                   A characteristic feature of ovary of Brassica campestris is:                        
  A)
   presence of replum      
  done clear
  B)
   axilc placentation
  done clear
  C)
                          epigynous            
  done clear
  D)
                          multilocular nature             
  done clear
  View Answer play_arrow

• question_answer205) One of the characteristic of Hydra is:
  A)
   predation                          
  done clear
  B)
   metamerism    
  done clear
  C)
   hibernation      
  done clear
  D)
          mimicry   
  done clear
  View Answer play_arrow

• question_answer206) Where does exoerythrocytic cycle take place in life cycle of Plasmodium?    
  A)
   RBC of human    
  done clear
  B)
             Human liver       
  done clear
  C)
               Stomach of Anopheles mosquito
  done clear
  D)
   Salivary and of Anopheles mosquito
  done clear
  View Answer play_arrow

• question_answer207) Primary acceptor of \[C{{O}_{2}}\] in photosynthesis is:                
  A)
   phosphoric acid 
  done clear
  B)
                 ribulose phosphate           
  done clear
  C)
   glucose
  done clear
  D)
   ribulose 1, 5 biphosphate
  done clear
  View Answer play_arrow

• question_answer208) If Hydra is cut transversely in three equal parts then:
  A)
   all three parts will die
  done clear
  B)
   regeneration will occur in all the three parts
  done clear
  C)
   regeneration will occur only in anterior
  done clear
  D)
   regeneration occurs only in middle part
  done clear
  View Answer play_arrow

• question_answer209) Which of the following pair lack the unit membrane?
  A)
   Nucleus and ER
  done clear
  B)
   Mitochondria and chloroplast
  done clear
  C)
   Ribosome and nucleolus
  done clear
  D)
   Golgi body and lysosome
  done clear
  View Answer play_arrow

• question_answer210) Which of the following statement is correct?
  A)
   In Cycas, megasporophyll produce pollen grains
  done clear
  B)
   In Agaricus gills produce basidiospores
  done clear
  C)
   In Aspergillus, fruiting body is perithecium
  done clear
  D)
   In Funaria, capsule represents gametophytic generation
  done clear
  View Answer play_arrow

• question_answer211) The number of DNA in chromosome at G2 stage:
  A)
   one                      
  done clear
  B)
          two                      
  done clear
  C)
   four                     
  done clear
  D)
          eight
  done clear
  View Answer play_arrow

• question_answer212) How many egg are found in egg chamber of female Cockroach?
  A)
   2                            
  done clear
  B)
          4                            
  done clear
  C)
   8                            
  done clear
  D)
          16
  done clear
  View Answer play_arrow

• question_answer213) Which of the following is a disaccharide?
  A)
   Glucose                              
  done clear
  B)
   Fructose            
  done clear
  C)
          Sucrose              
  done clear
  D)
          Galactose
  done clear
  View Answer play_arrow

• question_answer214) If all the peptide bonds of protein are broken, then the remaining part is :
  A)
   amide                 
  done clear
  B)
          oligosaccharide
  done clear
  C)
          polypeptide     
  done clear
  D)
          amino acid
  done clear
  View Answer play_arrow

• question_answer215) Periplaneta has no respiratory pigment in its blood because:
  A)
   air is conducted directly to the body tissues
  done clear
  B)
   it has haemocoelom
  done clear
  C)
   it has anaerobic respiration
  done clear
  D)
   it lacks blood cell in blood
  done clear
  View Answer play_arrow

• question_answer216) Which is correct for meiotic metaphase\[\text{I}\]?
  A)
   Bivalents arc arranged at equator
  done clear
  B)
   Univalents arc arranged at equator
  done clear
  C)
   Non-homologous chromosomes forms pair
  done clear
  D)
  Spindle  fibres  are  attached  at chromomere
  done clear
  View Answer play_arrow

• question_answer217) Hydrolysis of lipid yields:
  A)
   fats                                      
  done clear
  B)
   fatty acids and glycerol
  done clear
  C)
   mannose and glyccrol
  done clear
  D)
   maltose and fatty acid
  done clear
  View Answer play_arrow

• question_answer218) Ctenophora shows affinities with:
  A)
   Cnidaria                              
  done clear
  B)
   Aschelminthes
  done clear
  C)
          Cephalopoda  
  done clear
  D)
          Turbelaria
  done clear
  View Answer play_arrow

• question_answer219) In the following how the sap wood is converted into heart wood?
  A)
   By degeneration of protoplast of living cells
  done clear
  B)
   Tylosis formation
  done clear
  C)
   By deposition of resins, oil, gums etc
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer220)                                 In which of the following animal cleavage divisions arc restricted to a small part of cytoplasm and nucleus in animal pole of egg?
  A)
   Cockroach         
  done clear
  B)
          Frog                     
  done clear
  C)
   Chick                   
  done clear
  D)
          Rabbit
  done clear
  View Answer play_arrow

• question_answer221) Exception of Mendels law is:
  A)
   independent assortment           
  done clear
  B)
   linkage                
  done clear
  C)
          purity of gametes
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer222) What type of gametes will form by genotype Rr Yy?
  A)
   RY, Ry, rY, ry    
  done clear
  B)
   RY, Ry, ry, ry
  done clear
  C)
   Ry, Ry, Yy, ry   
  done clear
  D)
          Rr, RR, Yy, YY
  done clear
  View Answer play_arrow

• question_answer223) The position of protoxylem in leaf is:
  A)
   adaxial                                
  done clear
  B)
   abaxial
  done clear
  C)
   surrounded by metaxylem
  done clear
  D)
   lateral
  done clear
  View Answer play_arrow

• question_answer224) In Pheretinia, locomotion occurs with the help of:
  A)
   circular muscles            
  done clear
  B)
   longitudinal muscles and setae
  done clear
  C)
   circular, longitudinal muscles and setae
  done clear
  D)
   parapodia
  done clear
  View Answer play_arrow

• question_answer225) The difference in phloem of gymnosperms and angiosperms is due to:
  A)
   parenchyma                     
  done clear
  B)
   sieve cell
  done clear
  C)
   companion cell
  done clear
  D)
          fibres
  done clear
  View Answer play_arrow

• question_answer226) A type of life cycle in which plasmogamy, karyogamy, haplodization takes place but not at specific place in life cycle of an organism is called as:
  A)
   parasexuality  
  done clear
  B)
   heterozygosity
  done clear
  C)
   homozygosity  
  done clear
  D)
          asexuality
  done clear
  View Answer play_arrow

• question_answer227) In Amorbn which controls the cytoplasmic osmality:
  A)
   nucleus                              
  done clear
  B)
   ectoplasm
  done clear
  C)
   biurets                
  done clear
  D)
          contractile vacuole
  done clear
  View Answer play_arrow

• question_answer228) Branched, aseptate, coenocytic mycelium present in:
  A)
   Aspergillus                        
  done clear
  B)
   Albugo
  done clear
  C)
   Penicillium         
  done clear
  D)
          Erysiphe
  done clear
  View Answer play_arrow

• question_answer229) In which of the following aestivation sepals/petals one margin covers the other and its margin is covered by previous one?
  A)
   valvate                               
  done clear
  B)
   twisted
  done clear
  C)
   imbricate           
  done clear
  D)
          quincuncial
  done clear
  View Answer play_arrow

• question_answer230) In Cockroach vision is due to:
  A)
   one compound eye
  done clear
  B)
   only two compound eyes
  done clear
  C)
   two simple eyes
  done clear
  D)
   two compound and two simple eyes
  done clear
  View Answer play_arrow

• question_answer231) The economically important plant of Malvaceae:
  A)
   Gossypium hirstum
  done clear
  B)
   Hibiscus cannabis
  done clear
  C)
   Abelmoschus esculentum
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer232) When tall and dwarf plants are crossed, from which cross 1 : 1 ratio is obtained?
  A)
   Tt and tt                             
  done clear
  B)
   tt and tt
  done clear
  C)
   \[Tt\times Tt\]                
  done clear
  D)
          TT and Tt
  done clear
  View Answer play_arrow

• question_answer233) The cells without nuclei are present in:
  A)
   vascular cambium
  done clear
  B)
   root hair
  done clear
  C)
   companion cell  
  done clear
  D)
                 members of sieve tube
  done clear
  View Answer play_arrow

• question_answer234) Which of the following is not correctly matched?
  A)
   Rhinoncephalon-olfactory       
  done clear
  B)
   Hypothalamus-pituitary        
  done clear
  C)
   Cerebellum-balance              
  done clear
  D)
   Medulla oblongata-temperature regulation
  done clear
  View Answer play_arrow

• question_answer235) Pyruvic acid is the end product of which process?                          
  A)
   Krebs cycle                       
  done clear
  B)
   Calvin cycle                  
  done clear
  C)
   Pentose phosphate pathway    
  done clear
  D)
   Glycolysis                      
  done clear
  View Answer play_arrow

• question_answer236) The nutritive layer of micros porangia of
  A)
   endothecium                    
  done clear
  B)
   exothecium        
  done clear
  C)
                sporogenous tissue         
  done clear
  D)
   tapetum                       
  done clear
  View Answer play_arrow

• question_answer237) The scientist who was awarded Nobel prize in 1959 for in vitro synthesis of polyribonucleotide:               
  A)
   Komberg                           
  done clear
  B)
   Calvin      
  done clear
  C)
   Khurana             
  done clear
  D)
          Ochoa   
  done clear
  View Answer play_arrow

• question_answer238) Which of the following have sunken stomata?                          
  A)
   Nerium                               
  done clear
  B)
   Manyfera   
  done clear
  C)
   Hydrilla               
  done clear
  D)
          Zea mays    
  done clear
  View Answer play_arrow

• question_answer239) Heterocercal tail is found in:        
  A)
   Cartilaginous fishes    
  done clear
  B)
   Bony fishes        
  done clear
  C)
                Whale                  
  done clear
  D)
             Amphibians                    
  done clear
  View Answer play_arrow

• question_answer240) When a plasmolysis cells is placed in a hypotonic solution then water will move inside the cell. Which force causes this?
  A)
   DPD                                     
  done clear
  B)
   OF
  done clear
  C)
   WP                       
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer241) Dormancy of seed is broken by:    
  A)
   auxin                                   
  done clear
  B)
   gibberellins
  done clear
  C)
   ethylene            
  done clear
  D)
          cytokinin    
  done clear
  View Answer play_arrow

• question_answer242) Mitosis occurs in:                  
  A)
   haploid individuals      
  done clear
  B)
   diploid individuals             
  done clear
  C)
   in bacteria only
  done clear
  D)
          both a and b
  done clear
  View Answer play_arrow

• question_answer243) Girth of dicot stem increases by the activity of:
  A)
   apical meristem
  done clear
  B)
   intercalary meristem
  done clear
  C)
   lateral meristem
  done clear
  D)
   procambium meristem
  done clear
  View Answer play_arrow

• question_answer244) Group of two or more than two plant species is called as :
  A)
   plant community            
  done clear
  B)
   animal ecosystem
  done clear
  C)
   Plant ecosystem             
  done clear
  D)
   ecological niche
  done clear
  View Answer play_arrow

• question_answer245) Which type of kidneys are found in amphibian?
  A)
   Holonephric                     
  done clear
  B)
   Mesonephric
  done clear
  C)
   Pronephric        
  done clear
  D)
          Metanephric
  done clear
  View Answer play_arrow

• question_answer246) That haploid cell which divides by mitosis to form embryo sac is :
  A)
   megaspore mother cell
  done clear
  B)
   microspore mother cell
  done clear
  C)
   functional megaspore
  done clear
  D)
   non-functional megaspore
  done clear
  View Answer play_arrow

• question_answer247) One of the nucleotide of DNA:
  A)
   adenine                             
  done clear
  B)
   deoxyadenylic acid
  done clear
  C)
   adenosine
  done clear
  D)
   deoxyuridine phosphate
  done clear
  View Answer play_arrow

• question_answer248) Which parts of cell have enzymes for glycolysis?
  A)
   Cytoplasm                         
  done clear
  B)
   Mitochondria
  done clear
  C)
   Golgi complex  
  done clear
  D)
          Nucleus
  done clear
  View Answer play_arrow

• question_answer249) Botanical name of species which cause white rust of Crucifers?
  A)
   Peronospora parasitica               
  done clear
  B)
   Puccinia graminis
  done clear
  C)
   Pythium debargamim
  done clear
  D)
   Albugo Candida
  done clear
  View Answer play_arrow

• question_answer250) What is haemozine?
  A)
   Undigested   part of blood in trophozoite of Plasmodium
  done clear
  B)
   Blood pigment of Anopheles
  done clear
  C)
   Dcomposed blood in merozoites
  done clear
  D)
   Granules in the blood of infected person
  done clear
  View Answer play_arrow

• question_answer251) Family Lilliaceae is characterized by:
  A)
   trimerous flower
  done clear
  B)
   tetramerous flower
  done clear
  C)
   pentamerous flower
  done clear
  D)
   zygomorphic flower
  done clear
  View Answer play_arrow

• question_answer252) In sweet pea tendrils are modified:
  A)
   stipule                                
  done clear
  B)
   stem
  done clear
  C)
   leaf                      
  done clear
  D)
          leaflet
  done clear
  View Answer play_arrow

• question_answer253) Root cap is absent in:
  A)
   mesophytes    
  done clear
  B)
   hydrophytes
  done clear
  C)
   epiphytes          
  done clear
  D)
          xerophytes
  done clear
  View Answer play_arrow

• question_answer254) Which of the following nerve supplies organ of corti?
  A)
   Auditory                            
  done clear
  B)
   Olfactory
  done clear
  C)
   Trochlear      
  done clear
  D)
                          Vagus
  done clear
  View Answer play_arrow

• question_answer255) Nucleic acid segement which is used to find the position of a gene and it forms a hybrid with this gene would be?
  A)
   Retrovirus                         
  done clear
  B)
   Probe
  done clear
  C)
   Vector                
  done clear
  D)
          Clone
  done clear
  View Answer play_arrow

• question_answer256) Insects eggs are :
  A)
   microlecithal and centrolecithal
  done clear
  B)
   megalecithal and isolecithal
  done clear
  C)
   megalecithal and centrolecithal
  done clear
  D)
   megalecithal and telolacithal
  done clear
  View Answer play_arrow

• question_answer257) A pond is a:
  A)
   biome                 
  done clear
  B)
   natural ecosystem
  done clear
  C)
   artificial ecosystem
  done clear
  D)
   community of plants and animals
  done clear
  View Answer play_arrow

• question_answer258) In crustaceans, respiration takes place by:
  A)
   gills                       
  done clear
  B)
          book lungs
  done clear
  C)
   ctenidia              
  done clear
  D)
          trachea
  done clear
  View Answer play_arrow

• question_answer259) Which of the two characters are typical of Ascaris ?
  A)
   Sexual dimorphism and rhabditiform larva
  done clear
  B)
   Hennaphroditism and pseudocoelomic
  done clear
  C)
   Parasitism and metamerism
  done clear
  D)
   Multilocular heart.
  done clear
  View Answer play_arrow

• question_answer260) In a monohybrid cross when \[{{F}_{1}}\] is crossed with homozygous dominant parent then which type of offsprings will obtain?
  A)
   Dominant; recessive (3 : 1)
  done clear
  B)
   Only recessive
  done clear
  C)
   Dominant: recessive (1 : 1)
  done clear
  D)
   No recessive
  done clear
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• question_answer261) Which one of the following body functions is not performed by kidneys?
  A)
   Excretion                           
  done clear
  B)
   Osmoregulation
  done clear
  C)
   Regulation of blood volume
  done clear
  D)
   Destruction of dead blood corpuscles
  done clear
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• question_answer262) Which gland is associated with fur hairs of Rabbit?
  A)
   Mucous gland                  
  done clear
  B)
   Sweat gland
  done clear
  C)
   Mammary gland             
  done clear
  D)
   Sebaceous gland
  done clear
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• question_answer263) The study of fossils is called:
  A)
   Palynology                        
  done clear
  B)
   Palaeontology
  done clear
  C)
   Fossil systematic
  done clear
  D)
         Pharmticognosy
  done clear
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• question_answer264) The body cavity of Ascaris is:
  A)
   lined by mesoderm
  done clear
  B)
   not lined by mesoderm
  done clear
  C)
   formed by octoderm
  done clear
  D)
   filled with parenchyma
  done clear
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• question_answer265) The characteristic of blue-green algae is:
  A)
   DNA without histone
  done clear
  B)
   nuclear membrane absent
  done clear
  C)
   70S ribosomes
  done clear
  D)
   alt of the above
  done clear
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• question_answer266) Classification of sponges is primariy based on the:
  A)
   body organization          
  done clear
  B)
   body plan     
  done clear
  C)
   skeleton            
  done clear
  D)
          canal system
  done clear
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• question_answer267) In mammals corpus Inuteum is found in which organ?
  A)
   Brain                                    
  done clear
  B)
   Ovary
  done clear
  C)
   Liver                    
  done clear
  D)
          Eyes
  done clear
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• question_answer268) Which type of rhizoids are present in Riccia?
  A)
   Unicellular smooth
  done clear
  B)
   Multicellular smooth
  done clear
  C)
   Unicellular smooth and tuberculated
  done clear
  D)
   Multicellular smooth and tuberculated
  done clear
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• question_answer269) Which character is found only in mammals?
  A)
   Neck                                    
  done clear
  B)
   Diaphragm
  done clear
  C)
   Optic lobes of brain       
  done clear
  D)
   Tail
  done clear
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• question_answer270) Number of ATP obtained at the end of Krebs cycle are:
  A)
   2 ATP                                   
  done clear
  B)
   4 ATP
  done clear
  C)
   36 ATP                
  done clear
  D)
          38 ATP
  done clear
  View Answer play_arrow

• question_answer271) Which is correct about the bile of Rabbit?
  A)
   It is synthesized by gall bladder and also stored there
  done clear
  B)
   It is an enzyme which emulsify the fats
  done clear
  C)
   It contain bile salts and bile pigments
  done clear
  D)
   Bilirubin present in it dicomposes fats
  done clear
  View Answer play_arrow

• question_answer272) Which type of vascular bundles are found in monocot stem?
  A)
   Coilateral, open, endarch
  done clear
  B)
   Radial, open, diarch
  done clear
  C)
   Radial, open, mesarch
  done clear
  D)
   Coliateral, closed, endarch
  done clear
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• question_answer273) Which type of larva found in Hydra?
  A)
   Parenchymula                 
  done clear
  B)
   Amphiblastula
  done clear
  C)
   Trochopbore   
  done clear
  D)
          Hydrula     
  done clear
  View Answer play_arrow

• question_answer274) In rhizome of Pteridium, stele which is composed of two or more than two concentric rings of vascular bundles is called:
  A)
   polycyclic                           
  done clear
  B)
   siphonostele
  done clear
  C)
   ectophloic siphonostele
  done clear
  D)
   cladosiphonostelo
  done clear
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• question_answer275) Which of the following is not the correct for gastrulation?
  A)
   Archenteron is formed
  done clear
  B)
   all germinal layers are formed
  done clear
  C)
   Morphogenetic movements
  done clear
  D)
   Some blastomeres and blastoa degenerate
  done clear
  View Answer play_arrow

• question_answer276) The chemical formula of starch is:
  A)
   \[{{\text{(}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{10}}}{{\text{O}}_{\text{5}}}\text{)}}_{\text{n}}}\]                                 
  done clear
  B)
   \[{{\text{(}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{12}}}{{\text{O}}_{6}}\text{)}}_{\text{n}}}\]   
  done clear
  C)
   \[{{\text{(}{{\text{C}}_{12}}{{\text{H}}_{\text{22}}}{{\text{O}}_{11}}\text{)}}_{\text{n}}}\]     
  done clear
  D)
          \[\text{C}{{\text{H}}_{3}}\text{CO}{{\text{O}}_{11}}\text{H}\]
  done clear
  View Answer play_arrow

• question_answer277)    Which of the following mollusc is formed by a larva which have torsion?
  A)
   Lamelledens                     
  done clear
  B)
   Pila        
  done clear
  C)
   Sepia                   
  done clear
  D)
          Octopus    
  done clear
  View Answer play_arrow

• question_answer278) At which stage of spermatogenesis sperm aquire their whole structural maturity and they contain a haploid nucleus and other organs:
  A)
   spermiogenesis            
  done clear
  B)
   growth phase
  done clear
  C)
   multiplication phase     
  done clear
  D)
   maturation phase
  done clear
  View Answer play_arrow

• question_answer279) Which of the following is used during discovery of Calvin cycle?
  A)
   Spirogyra                          
  done clear
  B)
   Volvox
  done clear
  C)
   Chlamydomonas           
  done clear
  D)
   Chlorella
  done clear
  View Answer play_arrow

• question_answer280) What happens in anterior part of Amoeba at the tune of formation of pseudopodia?
  A)
   plasma gel convert into plasma sol
  done clear
  B)
   plasma sol convert into plasma gel
  done clear
  C)
   ectoplasm convert into endoplasm
  done clear
  D)
   endoplasm convert into ectoplasm
  done clear
  View Answer play_arrow

• question_answer281) Respiratory quotient of which diet is less than unity?
  A)
   Carbohydrate                  
  done clear
  B)
   Fats
  done clear
  C)
   Organic acid      
  done clear
  D)
          Sugar
  done clear
  View Answer play_arrow

• question_answer282) In Rabbit at the time of fertilization zygote is formed in :
  A)
   coelom                               
  done clear
  B)
   fallopian tube
  done clear
  C)
   uterus                 
  done clear
  D)
          vagina
  done clear
  View Answer play_arrow

• question_answer283) Velamen and spongy tissue is found in:
  A)
   breathing roots               
  done clear
  B)
   parasitic roots
  done clear
  C)
   tuberous roots  
  done clear
  D)
          epiphytic roots
  done clear
  View Answer play_arrow

• question_answer284) The function of clitellum in Pheretima is:
  A)
   formation of cocoon
  done clear
  B)
   secretion of hormone
  done clear
  C)
   nutrition of sperm         
  done clear
  D)
   respiration
  done clear
  View Answer play_arrow

• question_answer285) Which animal is protochordate?
  A)
   Herdmania                       
  done clear
  B)
   Balanoglossus
  done clear
  C)
   Branchiostoma  
  done clear
  D)
         Botryllus
  done clear
  View Answer play_arrow

• question_answer286) Which of the following is not a function of water in cell ?
  A)
   It provides energy for chemical reaction
  done clear
  B)
   It act as a solvent
  done clear
  C)
   It provides a medium for chemical reaction
  done clear
  D)
   It release hydrogen ions on ionization
  done clear
  View Answer play_arrow

• question_answer287) In life cycle of Plasmodium exflagellation leads to:
  A)
   formation of microgametes
  done clear
  B)
   formation of flagella in sperm
  done clear
  C)
   destruction of flagella from sperm
  done clear
  D)
   formation of sporozoites
  done clear
  View Answer play_arrow

• question_answer288) In which of the following reptiles four chambered heart is present?
  A)
   Lizard                  
  done clear
  B)
          Snake
  done clear
  C)
   Scorpion            
  done clear
  D)
          Crocodile
  done clear
  View Answer play_arrow

• question_answer289) Rate of transpiration is measured by:
  A)
   manometer      
  done clear
  B)
          auxanometer
  done clear
  C)
   potometer        
  done clear
  D)
          barometer
  done clear
  View Answer play_arrow

• question_answer290) Pigments present in chloroplast of Ulothrix :
  A)
   chlorophyll a, chl-b, fucoxanthin \[\text{-}\]carotene
  done clear
  B)
   chl-a, chl-b, chl-c, C-phycocyanin, C-phycoerythrin
  done clear
  C)
   chl-a, chl-b. \[\text{-}\]carotene, xanthophyll
  done clear
  D)
   chl-a, chl-b, r-phycocyanine r-phycoerythrin
  done clear
  View Answer play_arrow

• question_answer291) In Mirabilis a hybrid for red (RR) and white (rr) flower produces pink (Rr) flower. A plant with pink flower is crossed with white flower the expected phenotypic ratio is:
  A)
   red: pink : white (1 : 2 :1)
  done clear
  B)
   pink: white (1 : 1)
  done clear
  C)
   red: pink (1 : 1)
  done clear
  D)
   red: white (3 : 1)
  done clear
  View Answer play_arrow

• question_answer292) Which one hormone of the pituitary of the Rabbit controls the protein metabolism and growth of skeleton?
  A)
   lodo thyroxine
  done clear
  B)
   Leutotrophic hormone
  done clear
  C)
   Somatotrophic hormone
  done clear
  D)
   Oxytosine
  done clear
  View Answer play_arrow

• question_answer293) Which of the following is the site of lipid synthesis?
  A)
   Rough ER                           
  done clear
  B)
   Smooth ER
  done clear
  C)
   Golgi bodies     
  done clear
  D)
          Ribosome
  done clear
  View Answer play_arrow

• question_answer294) Which of the following vessel in Rabbit starts with capillaries and ends in capillaries?
  A)
   Pulmonary artery           
  done clear
  B)
   Renal vein
  done clear
  C)
   Hepatic portal vein        
  done clear
  D)
   Renal artery
  done clear
  View Answer play_arrow

• question_answer295) Which character is not same in Aves and Mammals?
  A)
   Single systemic arch      
  done clear
  B)
   Metanephric kidney
  done clear
  C)
   Seven cervical vertebrae
  done clear
  D)
   Homeotherms
  done clear
  View Answer play_arrow

• question_answer296) What is pollen grain?
  A)
   Microspore mother cell
  done clear
  B)
   Male gamete
  done clear
  C)
   Male gametophyte
  done clear
  D)
   Partially developed embryo
  done clear
  View Answer play_arrow

• question_answer297) Solenocytes and nephridia are respectively found in:
  A)
   PIatyhelminth and Annelids
  done clear
  B)
   Annelids and Nematoda
  done clear
  C)
   Cendaria and Mollusca
  done clear
  D)
   Mollusca and Echinodermata
  done clear
  View Answer play_arrow

• question_answer298) If a cell shrinks when placed in a solution this solution is:
  A)
   hypotonic                          
  done clear
  B)
   hypertonic  
  done clear
  C)
   isotonic              
  done clear
  D)
          mesotonic
  done clear
  View Answer play_arrow