Solved papers for VMMC VMMC Medical Solved Paper-2011

done VMMC Medical Solved Paper-2011 Total Questions - 200

• question_answer1) A particle executing simple harmonic motion has a time of 4s. After how much interval of time from t = 0 will its displacement be half of its amplitude?
  A)
  \[\frac{1}{3}s\]                                 
  done clear
  B)
  \[\frac{1}{2}s\]                 
  done clear
  C)
  \[\frac{2}{3}s\]                 
  done clear
  D)
         \[\frac{1}{6}s\]
  done clear
  View Answer play_arrow

• question_answer2) A particle executing SHM has amplitude 0.01 m and frequency 60 Hz. The maximum acceleration of particle is
  A)
  \[60{{\pi }^{2}}m/{{s}^{2}}\]      
  done clear
  B)
         \[80{{\pi }^{2}}m/{{s}^{2}}\]      
  done clear
  C)
  \[120{{\pi }^{2}}m/{{s}^{2}}\]    
  done clear
  D)
         \[144{{\pi }^{2}}m/{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer3) The upper end of hanging wire of radius 4 mm and length 100 cm is clamped rigidly. Its lower end is twisted through an angle \[30{}^\circ \]. The angle of shear is
  A)
  \[12{}^\circ \]
  done clear
  B)
         \[0.12{}^\circ \]
  done clear
  C)
  \[1.2{}^\circ \]
  done clear
  D)
          \[0.012{}^\circ \]
  done clear
  View Answer play_arrow

• question_answer4) Mass of 2 kg is moving with a string in horizontal circle with angular velocity 5 cycle/min keeping the radius constant tension in string is doubled. Now, the angular velocity of the mass will be
  A)
   14 cycles/min                   
  done clear
  B)
   10 cycles/min   
  done clear
  C)
          2.25 cycles/min               
  done clear
  D)
          7 cycles/min
  done clear
  View Answer play_arrow

• question_answer5) Choose the correct statement from the following. Weightlessness of an astronaut moving in a satellite is a situation of
  A)
   zero                     
  done clear
  B)
          no gravity          
  done clear
  C)
          zero mass          
  done clear
  D)
          free fall
  done clear
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• question_answer6) A voltmeter of resistance 2000 \[\Omega \], 0.5 V/div is to be converted into a voltmeter to make it to read2V/div. The value of high resistance to be connected in series with it is
  A)
   6000\[\Omega \]            
  done clear
  B)
                          4000 \[\Omega \]           
  done clear
  C)
   5000\[\Omega \]                            
  done clear
  D)
   1000 \[\Omega \]
  done clear
  View Answer play_arrow

• question_answer7) If number of turns in moving coil galvanometer becomes half, then the deflection for the same current will become
  A)
   same   
  done clear
  B)
                          half                      
  done clear
  C)
   double                
  done clear
  D)
          four times
  done clear
  View Answer play_arrow

• question_answer8) The susceptibility of a paramagnetic material is \[\chi \] at \[27{}^\circ C\]. At what temperature will its susceptibility be \[\frac{x}{2}\]?
  A)
  \[327{}^\circ C\]
  done clear
  B)
  \[54{}^\circ C\]                 
  done clear
  C)
  \[237{}^\circ C\]                              
  done clear
  D)
         \[1600{}^\circ C\]
  done clear
  View Answer play_arrow

• question_answer9) A diamagnetic material in a magnetic field moves
  A)
   from stronger to weaker parts of the field
  done clear
  B)
   perpendicular to the field
  done clear
  C)
   from weaker to stronger parts of the field
  done clear
  D)
   None of the above
  done clear
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• question_answer10) The \[rms\] value of AC current which when passed through a resistor produces heat energy four times that produced by DC of 2 A through the same resistor in same time, is
  A)
                  32 A                                      
  done clear
  B)
   2 A                        
  done clear
  C)
                  4 A                         
  done clear
  D)
          8 A
  done clear
  View Answer play_arrow

• question_answer11) A square loop of wire of each side 50 cm is kept, so that its plane makes an angle 9 with a uniform magnetic field of induction 1 T. The magnetic field is withdrawn in 0.1 s. It is found that the induced emf across the loop is 125 mV. The angle 0 is
  A)
  \[90{}^\circ \]
  done clear
  B)
  \[60{}^\circ \]
  done clear
  C)
  \[45{}^\circ \]
  done clear
  D)
         \[30{}^\circ \]
  done clear
  View Answer play_arrow

• question_answer12) An electron in a hydrogen atom makes a transition          \[{{n}_{1}}\to {{n}_{2}}\]where \[{{n}_{1}}\] and \[{{n}_{2}}\] are principal quantum numbers to be valid. The time period of the electron in initial state is eight times that in the final state. Then the ratio of \[{{n}_{1}}\] and \[{{n}_{2}}\] will be
  A)
                  8 : 1                                       
  done clear
  B)
   4 : 1                      
  done clear
  C)
   2 : 1                      
  done clear
  D)
          1 : 2
  done clear
  View Answer play_arrow

• question_answer13) If the electron in the hydrogen atom jumps from third orbit to second orbit, the wavelength of the emitted radiation in terms of Rydberg constant is
  A)
  \[\frac{6}{5R}\]                                
  done clear
  B)
  \[\frac{36}{5R}\]                              
  done clear
  C)
  \[\frac{64}{7R}\]                              
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer14) In an insulator the forbidden energy gap between a valence band and conduction band is of the order of
  A)
                  1 MeV                                  
  done clear
  B)
   1 keV   
  done clear
  C)
                  1 eV                      
  done clear
  D)
          5 eV
  done clear
  View Answer play_arrow

• question_answer15) A hole in n-type semiconductor is
  A)
   a missing atom
  done clear
  B)
   an excess electron
  done clear
  C)
   a missing electron
  done clear
  D)
   None of these
  done clear
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• question_answer16) Silver has a work function of 4.7 eV. When ultraviolet light of wavelength 100 nm is incident on it, a potential of 7.7 V is required to stop the photoelectrons from reaching the collector plate. How much potential will be required to stop photoelectrons when light of wavelength 200 nm is incident on it?
  A)
   15.4 V                                  
  done clear
  B)
   2.35 V  
  done clear
  C)
   3.85 V                  
  done clear
  D)
          1.5 V
  done clear
  View Answer play_arrow

• question_answer17) Alkali metals are more suited than metals for photoelectron emission, because work function of alkali metals is
  A)
   less than zero
  done clear
  B)
   just equal to metals
  done clear
  C)
   greater than metals
  done clear
  D)
   quite less than metals
  done clear
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• question_answer18) A wavefront is represented by the plane y = 3 - x. The propagation of wave takes place at
  A)
   \[45{}^\circ \] with the x-direction
  done clear
  B)
   \[135{}^\circ \] with the x-direction
  done clear
  C)
   \[60{}^\circ \] with the x-direction
  done clear
  D)
   no sufficient data
  done clear
  View Answer play_arrow

• question_answer19) The wavelength difference of light waves of wave numbers \[2\times {{10}^{6}}\,/m\] and \[2.25\times {{10}^{6}}/m\] is
  A)
   \[0.556\,\times {{10}^{-6}}\,m\]
  done clear
  B)
   \[0.0556\,\times {{10}^{6}}\,m\]                             
  done clear
  C)
   \[0.0556\,\times {{10}^{-6}}\,m\]           
  done clear
  D)
          \[0.556\,\times {{10}^{6}}\,m\]
  done clear
  View Answer play_arrow

• question_answer20) The resultant of two rectangular simple harmonic motions of the same frequency and unequal amplitudes but differing in phase by \[\frac{\pi }{2}\] is
  A)
   simple harmonic             
  done clear
  B)
   circle    
  done clear
  C)
   ellipse                 
  done clear
  D)
          figure of eight
  done clear
  View Answer play_arrow

• question_answer21) A particle executing SHM has an amplitude of6cm. Its acceleration at a distance of 2 cm from the mean position is \[8\,cm/{{s}^{2}}\]. The maximum speed of the particle in cm/s is
  A)
                  24          
  done clear
  B)
                          16                         
  done clear
  C)
                  12                          
  done clear
  D)
          4
  done clear
  View Answer play_arrow

• question_answer22) A 5 g droplet of liquid nitrogen is enclosed in a 50 mL tube which is sealed at very low pressure. When the tube is warmed to 35°C the nitrogen pressure in the tube is (molecular weight of nitrogen = 28 and R = 8.3 J/mol K)
  A)
   \[1.01\,\times {{10}^{5}}\,N/{{m}^{2}}\]
  done clear
  B)
   \[9.13\,\times {{10}^{4}}\,N/{{m}^{2}}\]
  done clear
  C)
   \[9.13\,\times {{10}^{3}}\,N/{{m}^{2}}\]
  done clear
  D)
                                      \[18.26N/{{m}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer23) If the pressure in a closed vessel is reduced by drawing out some gas, the mean free path of the molecules
  A)
   is decreased
  done clear
  B)
   is increased
  done clear
  C)
   remains unchanged
  done clear
  D)
   increases of decreases according to the nature of gas
  done clear
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• question_answer24) A solid sphere of radius R made of material of bulk modulus K is surrounded by a liquid in a cylindrical container. A massless piston of area A floats on the surface of the liquid. When amass m is placed on the piston         to compress the liquid, fractional change in the radius of the sphere\[\frac{\Delta R}{R}\] is
  A)
   \[\frac{mg}{3\,AR}\]     
  done clear
  B)
                         \[\frac{mg}{A}\]
  done clear
  C)
  \[\frac{mg}{3AK}\]                         
  done clear
  D)
         \[\frac{mg}{AK}\]
  done clear
  View Answer play_arrow

• question_answer25) The thermo emf E (in volts) of a certain thermocouple is found to vary with 9 (in \[{}^\circ C\]) according to equation \[E=20\,\theta -{{\theta }^{2}}/20,\] where \[\theta \] is temperature of the hot junction, the cold junction being kept at \[0{}^\circ C\]. Then the neutral temperature of the thermocouple is
  A)
  \[300{}^\circ C\]              
  done clear
  B)
                         \[400{}^\circ C\]
  done clear
  C)
  \[100{}^\circ C\]
  done clear
  D)
         \[200{}^\circ C\]
  done clear
  View Answer play_arrow

• question_answer26) Inversion temperature of a thermocouple is that temperature of hot junction at which the emf is
  A)
   maximum          
  done clear
  B)
          minimum           
  done clear
  C)
   zero                     
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer27) 40 cal of heat is required to raise the temperature of 2 mol of an ideal gas at constant pressure from \[30{}^\circ C\] to \[35{}^\circ C\]. The amount of heat required to raise the temperature of the same ample of the gas through the same range of temperature (\[30{}^\circ C\] to \[35{}^\circ C\]) at constant volume will be (gas constant = 2 cal/mol)
  A)
   30 cal   
  done clear
  B)
                          50 cal                   
  done clear
  C)
   60 cal                   
  done clear
  D)
          80 cal
  done clear
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• question_answer28) Two samples A and B of a certain gas, which are initially at the same temperature and pressure, are compressed from volume V to V/ 2. A is compressed isothermally, while B is compressed adiabatically. The final pressure of A is
  A)
   more than that of B      
  done clear
  B)
   equal to that of B           
  done clear
  C)
   less than that of B          
  done clear
  D)
   twice that of B
  done clear
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• question_answer29) A sphere, a cube and a thin circular plate all made of the same material and having the same mass are heated to a temperature of \[200{}^\circ C\],when these are left in the room, then
  A)
   the sphere reaches at room temperature in the last
  done clear
  B)
   the cube reaches at room temperature in the last
  done clear
  C)
   the circular plate reaches at room temperature in the last
  done clear
  D)
   all will reach the room temperature simultaneously
  done clear
  View Answer play_arrow

• question_answer30) Which of the following statement is wrong?
  A)
   Stefans constant is same for all black bodies
  done clear
  B)
   Thermal radiations travel with the speed of \[3\times {{10}^{8}}\,m/s\]
  done clear
  C)
   Thermal radiations exhibit diffraction
  done clear
  D)
   Stefans law is applicable for all heated bodies
  done clear
  View Answer play_arrow

• question_answer31) A source and listener are both moving towards each other with speed v/10, where v is the speed of sound. If the frequency of the note emitted by the source is f the frequency heard by the listener would be nearly
  A)
   1.11\[f\]                             
  done clear
  B)
   1.22 \[f\]            
  done clear
  C)
         \[f\]                      
  done clear
  D)
          1.27 \[f\]
  done clear
  View Answer play_arrow

• question_answer32) A wave represented by the equation \[y=a\cos (kx-\omega t)\]is superimposed with another wave to form a stationary wave such that the point x = 0 is a node. The equation for the other wave is
  A)
  \[y=a\sin (kx-\omega t)\]
  done clear
  B)
  \[y=-a\cos (kx+\omega t)\]
  done clear
  C)
  \[y=-a\cos (kx-\omega t)\]
  done clear
  D)
  \[y=-a\sin (kx+\omega t)\]
  done clear
  View Answer play_arrow

• question_answer33) A light emitting diode (LED) has a voltage drop of 2V across it and passes a current of 10 mA. When it operates with a 6V battery through a limiting resistor R, The value of R is
  A)
   40\[k\Omega \]              
  done clear
  B)
                          4\[k\Omega \]                
  done clear
  C)
   200\[\Omega \]                              
  done clear
  D)
          400\[\Omega \]
  done clear
  View Answer play_arrow

• question_answer34) A glass convex lens \[(\mu =1.5)\] has a focal length of 8 cm when placed in air. What would be the focal length of lens when it is immersed in water \[({{\mu }_{w}}\,=4\,/3)\]?
  A)
   2 m
  done clear
  B)
                                          4 cm                     
  done clear
  C)
   16 cm                  
  done clear
  D)
          32 cm
  done clear
  View Answer play_arrow

• question_answer35) Three capacitors of 2.0, 3.0 and 6.0 (J.F are connected in series to a 10 V source. The charge on the \[3.\,0\,\mu F\] capacitor is
  A)
   5\[\mu C\]                                        
  done clear
  B)
   10\[\mu C\]      
  done clear
  C)
   12\[\mu C\]                      
  done clear
  D)
   15\[\mu C\]
  done clear
  View Answer play_arrow

• question_answer36) In an copper voltameter experiment current is decreased to one-fourth of initial value but it is passed for four times the earlier duration, then the amount of copper deposited will be
  A)
   same
  done clear
  B)
   \[\frac{1}{4}\]th of the previous value
  done clear
  C)
    4 times the previous value
  done clear
  D)
   \[\frac{1}{16}\]th            of the    previous value
  done clear
  View Answer play_arrow

• question_answer37) The resistances of two bulbs of the same voltage are in the ratio 1 : 2 on connecting them in parallel the power consumption will be in the ratio
  A)
   1 : 2                      
  done clear
  B)
          1 :1       
  done clear
  C)
   1 : 4                      
  done clear
  D)
          2 :1
  done clear
  View Answer play_arrow

• question_answer38) The resistance of a wire at a temperature \[{{t}^{o}}C\] and \[{{0}^{o}}C\] are related by
  A)
  \[{{R}_{t}}={{R}_{0}}(1+\alpha t)\]          
  done clear
  B)
         \[{{R}_{t}}={{R}_{0}}(1-\alpha t)\]           
  done clear
  C)
         \[{{R}_{t}}=R_{0}^{2}(1+\alpha t)\]         
  done clear
  D)
          \[{{R}_{t}}=R_{0}^{2}(1-\alpha t)\]
  done clear
  View Answer play_arrow

• question_answer39) If current is flowing in a spacing then
  A)
   it is compressed
  done clear
  B)
   spreads
  done clear
  C)
   executes oscillary motion
  done clear
  D)
   remains same
  done clear
  View Answer play_arrow

• question_answer40) The dimensions of \[\sigma {{b}^{4}}\](\[\sigma \] = Stefans constant and b = Weins constant) are
  A)
   \[[{{M}^{o}}{{L}^{o}}\,{{T}^{o}}]\]
  done clear
  B)
                          \[[M{{L}^{4}}{{T}^{-3}}]\]
  done clear
  C)
   \[[M{{L}^{-2}}T]\]          
  done clear
  D)
          \[[M{{L}^{6}}{{T}^{-3}}]\]
  done clear
  View Answer play_arrow

• question_answer41) A car moving with a speed of 25 m/s takes a U-tum in 5 s, without changing its speed. The average acceleration during these 5 s is
  A)
   \[10\,m/{{s}^{2}}\]
  done clear
  B)
   \[5\,m/{{s}^{2}}\]                
  done clear
  C)
   \[2\,m/{{s}^{2}}\]          
  done clear
  D)
          \[7\,m/{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer42) A body is moving in circular motion of constant radius, then
  A)
   the net acceleration of the body may towards the centre of the circle
  done clear
  B)
   the net acceleration of the body may not towards the centre of the circle
  done clear
  C)
   the velocity of the body must change
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer43) A spring of force constant 800 N/m has an extension of 5 cm. The work done in extending it from 5 cm to 15 cm is
  A)
   16 J       
  done clear
  B)
                          8 J                         
  done clear
  C)
   32 J                       
  done clear
  D)
          24 J
  done clear
  View Answer play_arrow

• question_answer44) The dimensions (velocity)2 + radius are the same as that of
  A)
   Plancks constant
  done clear
  B)
   gravitational constant
  done clear
  C)
   dielectric constant
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer45) If the liquid neither rises nor falls in a capillary tube, then angle of contact is
  A)
   \[0{}^\circ \]                                     
  done clear
  B)
  \[180{}^\circ \]
  done clear
  C)
  \[90{}^\circ \]                   
  done clear
  D)
          \[45{}^\circ \]
  done clear
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• question_answer46) Assertion In photoelectron emission the velocity of electron ejected from near the surface is larger than that coming from interior of metal. Reason The velocity of ejected electron will be zero.
  A)
   If the Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
   If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
   If Assertion is true but Reason is false
  done clear
  D)
   If both Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer47) Assertion A hollow metallic closed container maintained at a uniform temperature can act as a source of a black body radiation. Reason All metals act as a black body.
  A)
   If the Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
   If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
   If Assertion is true but Reason is false
  done clear
  D)
   If both Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer48) Assertion In a stationary wave, there is no transfer of energy. Reason There is no outward motion of the disturbance from one particle to adjoining particle in a stationary wave.
  A)
   If the Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
   If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
   If Assertion is true but Reason is false
  done clear
  D)
   If both Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer49) Assertion The ratio of inertial mass to gravitational mass is equal to one. Reason The inertial mass and gravitational mass of a body are equivalent.
  A)
   If the Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
   If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
   If Assertion is true but Reason is false
  done clear
  D)
   If both Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer50) Assertion Mass of moving photon varies inversely as the wavelength. Reason Energy of the particle = mass x (speed of light)2
  A)
   If the Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
   If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
   If Assertion is true but Reason is false
  done clear
  D)
   If both Assertion and Reason are false
  done clear
  View Answer play_arrow

• question_answer51) A liquid is in equilibrium with its vapour at its boiling point. On the average, the molecules in in two phases have equal
  A)
  intermolecular forces
  done clear
  B)
  potential energy
  done clear
  C)
   kinetic energy
  done clear
  D)
   total energy
  done clear
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• question_answer52) For the chemical reaction \[3X(g)Y(g)\rightleftharpoons {{X}_{3}}Y(g),\] the amount of \[{{X}_{3}}Y\] at equilibrium is affected by
  A)
  temperature and pressure
  done clear
  B)
  temperature only
  done clear
  C)
   pressure only
  done clear
  D)
   temperature, pressure and catalyst
  done clear
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• question_answer53) The compound which reacts most readily with \[\text{NaOH}\] to form methanol is
  A)
  \[{{(C{{H}_{3}})}_{4}}{{N}^{+}}{{I}^{-}}\]              
  done clear
  B)
  \[C{{H}_{3}}OC{{H}_{3}}\]           
  done clear
  C)
   \[{{(C{{H}_{3}})}_{3}}{{S}^{+}}{{I}^{-}}\]              
  done clear
  D)
          \[{{(C{{H}_{3}})}_{3}}Cl\]
  done clear
  View Answer play_arrow

• question_answer54) \[4.6\times {{10}^{22}}\] atoms of an element weigh 13.8 g.  The atomic weight of that element is
  A)
  290                                        
  done clear
  B)
  180                        
  done clear
  C)
   34.4                      
  done clear
  D)
          10.4
  done clear
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• question_answer55) Which one of the following compounds has  \[\text{s}{{\text{p}}^{\text{2}}}\] hybridisation?
  A)
  \[C{{O}_{2}}\]                   
  done clear
  B)
         \[S{{O}_{2}}\]   
  done clear
  C)
   \[{{N}_{2}}O\]                 
  done clear
  D)
          \[CO\]
  done clear
  View Answer play_arrow

• question_answer56) Identify the least stable ion amongst the following.
  A)
  \[L{{i}^{-}}\]                                      
  done clear
  B)
  \[B{{e}^{-}}\]                    
  done clear
  C)
   \[{{B}^{-}}\]                      
  done clear
  D)
          \[{{C}^{-}}\]
  done clear
  View Answer play_arrow

• question_answer57) The starting material used in Solvays process are
  A)
  sodium sulphate             
  done clear
  B)
  brine solution
  done clear
  C)
                          camallite         
  done clear
  D)
          All of these
  done clear
  View Answer play_arrow

• question_answer58) Which of the following is philosophers wool?
  A)
  \[ZnO\]               
  done clear
  B)
  \[HgO\]               
  done clear
  C)
          \[A{{g}_{2}}O\]           
  done clear
  D)
          \[CuO\]
  done clear
  View Answer play_arrow

• question_answer59) 2g of mixture of CO and \[\text{C}{{\text{O}}_{\text{2}}}\]on reaction with excess \[{{\text{I}}_{\text{2}}}{{\text{O}}_{\text{5}}}\]produced 2.54 g of \[{{\text{I}}_{2}}\].What would be the mass % of \[\text{C}{{\text{O}}_{\text{2}}}\]in the original mixture?
  A)
  60                                          
  done clear
  B)
  30                          
  done clear
  C)
   70                         
  done clear
  D)
          35
  done clear
  View Answer play_arrow

• question_answer60) Which element has highest electronegativity?
  A)
   F                            
  done clear
  B)
         He         
  done clear
  C)
   Ne                        
  done clear
  D)
          Na
  done clear
  View Answer play_arrow

• question_answer61) A current of 12 A is passed through an electrolytic cell containing aqueous \[NiS{{O}_{4}}\] solution. Both Ni and \[{{\text{H}}_{2}}\]gas are formed at the cathode. The current efficiency is 60%. What is the mass of nickel deposited at the cathode per hour?
  A)
  7.883 g                 
  done clear
  B)
  3.941 g 
  done clear
  C)
          5.91 g                  
  done clear
  D)
   2.645 g
  done clear
  View Answer play_arrow

• question_answer62) The correct IUPAC name of
  A)
  1-cyclopropyl cyclobutane
  done clear
  B)
  1, 1-dicyclobutane
  done clear
  C)
   1-cyclobutane-1-cyclopropane
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer63) the electrochemical reaction, \[2F{{e}^{3+}}+Zn\xrightarrow{{}}Z{{n}^{2+}}+2F{{e}^{2+}}\] increasing the concentration of\[\text{F}{{\text{e}}^{\text{2+}}}\]
  A)
  increases cell emf
  done clear
  B)
  increases the current flow
  done clear
  C)
   decreases the cell emf
  done clear
  D)
   alter the pH of the solution
  done clear
  View Answer play_arrow

• question_answer64) 20 volume \[{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}\text{ }\!\!\!\!\text{ }\]solution has a strength of about
  A)
  30%                                       
  done clear
  B)
  6%                         
  done clear
  C)
   3%                        
  done clear
  D)
          10%
  done clear
  View Answer play_arrow

• question_answer65) Reaction of \[\text{HN}{{\text{O}}_{\text{3}}}\]with I, S, P and C gives respectively
  A)
  \[HI{{O}_{3}},\text{ }{{H}_{2}}S{{O}_{4}},\text{ }{{H}_{3}}P{{O}_{4}}\] and \[\text{ }C{{O}_{2}}\]
  done clear
  B)
  \[HI{{O}_{3}},\text{ }{{H}_{2}}S{{O}_{4}},\text{ }{{H}_{3}}P{{O}_{3}}\] and\[\text{ }C{{O}_{2}}\]
  done clear
  C)
   \[HI{{O}_{2}},\text{ }{{H}_{2}}S{{O}_{4}},\text{ }{{H}_{3}}P{{O}_{4}}\] and CO
  done clear
  D)
   \[{{I}_{2}}{{O}_{5}},S{{O}_{2}},{{P}_{2}}O\]and \[C{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer66) When phenol is treated with \[\text{CHC}{{\text{l}}_{\text{3}}}\]and  \[\text{NaOH,}\] the product formed is
  A)
  benzaldehyde  
  done clear
  B)
  salicylaldehyde
  done clear
  C)
          salicylic acid      
  done clear
  D)
          benzoic acid
  done clear
  View Answer play_arrow

• question_answer67) The Kolbes electrolysis proceeds via
  A)
  nucleophilic substitution mechanism
  done clear
  B)
  electrophilic addition mechanism
  done clear
  C)
   free radical mechanism
  done clear
  D)
   electrophilic substitution reaction
  done clear
  View Answer play_arrow

• question_answer68) Solubility of \[\text{AgCl}\] at \[\text{20}{{\,}^{\text{o}}}\text{C}\] is\[1.435\times {{10}^{-3}}\,g/L\] The solubility product of\[\text{AgCl}\] is
  A)
  \[1\times {{10}^{-5}}\]                  
  done clear
  B)
  \[1\times {{10}^{-10}}\]
  done clear
  C)
   \[1.435\times {{10}^{-5}}\]        
  done clear
  D)
          \[108\times {{10}^{-3}}\]
  done clear
  View Answer play_arrow

• question_answer69) Dry bleach is done by
  A)
  \[{{O}_{3}}\]                                     
  done clear
  B)
  \[{{H}_{2}}{{O}_{2}}\]   
  done clear
  C)
          \[C{{l}_{2}}\]                    
  done clear
  D)
          \[S{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer70) Which of the following has maximum value of flocculating power?
  A)
  \[P{{b}^{2+}}\] 
  done clear
  B)
         \[P{{b}^{4+}}\] 
  done clear
  C)
          \[S{{r}^{2+}}\]                 
  done clear
  D)
          \[N{{a}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer71) In the titration of \[\text{N}{{\text{a}}_{\text{2}}}\text{C}{{\text{O}}_{\text{3}}}\]and \[\text{HCl,}\]the indicator  used is
  A)
  methyl orange 
  done clear
  B)
  methylene blue
  done clear
  C)
                          phenolphthalein
  done clear
  D)
          litmus
  done clear
  View Answer play_arrow

• question_answer72) Methanol cannot be dried with anhydrous  \[\text{CaC}{{\text{l}}_{2}}\]because
  A)
  \[\text{CaC}{{\text{l}}_{2}}\]dissolves in it
  done clear
  B)
  it is not good dehydrating agent
  done clear
  C)
   it forms as solid\[\text{CaC}{{\text{l}}_{\text{2}}}\text{.4C}{{\text{H}}_{\text{3}}}\text{OH}\]
  done clear
  D)
   it reacts with \[\text{C}{{\text{H}}_{\text{3}}}\text{OH}\]
  done clear
  View Answer play_arrow

• question_answer73) Red P can be obtained by white P by
  A)
  heating it with a catalyst in an inert atmosphere
  done clear
  B)
  distilling it in an inert atmosphere
  done clear
  C)
   dissolving it in \[\text{C}{{\text{S}}_{\text{2}}}\]and crystallizing
  done clear
  D)
   melting it and pouring the liquid into water
  done clear
  View Answer play_arrow

• question_answer74) Which of the following gives oxalic acid?
  A)
  Heating of acetic acid
  done clear
  B)
  Action of nitric acid on glucose
  done clear
  C)
   Acidic hydrolysis of cyanogen
  done clear
  D)
   Strong heating of sodium formate
  done clear
  View Answer play_arrow

• question_answer75) In the following reaction  \[\text{X}\xrightarrow{\text{Bromination}}Y\xrightarrow[\text{+HCl}]{\text{NaN}{{\text{O}}_{\text{2}}}}Z\xrightarrow[{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\text{OH}]{\text{Boiling}}\] tribromo benzenei, X is
  A)
  benzoic acid                      
  done clear
  B)
  salicylic acid       
  done clear
  C)
          phenol  
  done clear
  D)
         aniline
  done clear
  View Answer play_arrow

• question_answer76) Oxidation number of sulphur in Caros acid is
  A)
  +6                                          
  done clear
  B)
  +4                          
  done clear
  C)
   +8                         
  done clear
  D)
          +7
  done clear
  View Answer play_arrow

• question_answer77) Liquor ammonia is
  A)
  ammonium hydroxide
  done clear
  B)
  liquified ammonia gas
  done clear
  C)
   concentrated solution of \[\text{N}{{\text{H}}_{\text{3}}}\]in water
  done clear
  D)
   a solution of \[\text{N}{{\text{H}}_{\text{3}}}\]in alcohol
  done clear
  View Answer play_arrow

• question_answer78) Edge length of a cube is 400 pm, its body diagonal would be
  A)
  566 pm         
  done clear
  B)
         600 pm
  done clear
  C)
          500 pm         
  done clear
  D)
          693 pm
  done clear
  View Answer play_arrow

• question_answer79) The values of observed and calculated molecular masses of \[\text{Ca(N}{{\text{O}}_{\text{3}}}{{\text{)}}_{\text{2}}}\]are 164 and 65.4 respectively. Its degree of dissociation will be
  A)
  25%                       
  done clear
  B)
         50%                       
  done clear
  C)
   75%                      
  done clear
  D)
          80%
  done clear
  View Answer play_arrow

• question_answer80) The IUPAC name of the compound \[[CuC{{l}_{2}}{{(C{{H}_{3}}N{{H}_{2}})}_{2}}]\]is                        
  A)
  dichloro bis (dimethyl amine) copper (II)
  done clear
  B)
  dichloro bis (methyl amine) copper (II)
  done clear
  C)
   dimethyl amine copper (II) chloride
  done clear
  D)
   bis (dimethyl amine) copper (II) chloride
  done clear
  View Answer play_arrow

• question_answer81) The electronic configuration of an element is \[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{3}}.\] What is the atomic number of the element which is just below the above element in the Periodic Table?
  A)
  33                                          
  done clear
  B)
  34                          
  done clear
  C)
   31                         
  done clear
  D)
          49
  done clear
  View Answer play_arrow

• question_answer82) A mixture of \[\text{C}{{\text{u}}^{\text{2+}}}\]and \[\text{N}{{\text{i}}^{\text{2+}}}\]can be separated for identification by
  A)
  passing \[{{\text{H}}_{\text{2}}}\text{S}\]in acidic medium
  done clear
  B)
  passing \[{{\text{H}}_{\text{2}}}\text{S}\]in alkaline medium
  done clear
  C)
   passing \[{{\text{H}}_{\text{2}}}\text{S}\]in neutral medium
  done clear
  D)
   passing \[{{\text{H}}_{\text{2}}}\text{S}\]in dry mixture
  done clear
  View Answer play_arrow

• question_answer83) Starch iodide paper is used to test the  presence of
  A)
  iodine  
  done clear
  B)
         iodide ion           
  done clear
  C)
          oxidising agents              
  done clear
  D)
   reducing agents
  done clear
  View Answer play_arrow

• question_answer84) What voltage must be applied to an electron microscope to produce electron of wavelength \[\lambda =1.0\overset{\text{o}}{\mathop{\text{A}}}\,\]?
  A)
  12.27 V                
  done clear
  B)
  150 V    
  done clear
  C)
          22500 V          
  done clear
  D)
          4.55 V
  done clear
  View Answer play_arrow

• question_answer85) Chemical reduction is not suitable for
  A)
  conversion of bauxite to aluminium
  done clear
  B)
  conversion of cuprite into copper
  done clear
  C)
   conversion of haematite into iron
  done clear
  D)
   conversion of zinc oxide to zinc
  done clear
  View Answer play_arrow

• question_answer86) For the third order reaction, \[\text{3A}\to \]Products, with 0.1 M as the initial concentration of \[\text{A,}{{\text{t}}_{\text{1/2}}}\]is 8 h 20 min. The rate constant of the reaction is
  A)
  \[50\,{{L}^{2}}mo{{l}^{-2}}{{s}^{-1}}\]    
  done clear
  B)
  \[5\times {{10}^{-3}}L\,mo{{l}^{-1}}{{s}^{-1}}\]
  done clear
  C)
          \[5\times {{10}^{-2}}{{L}^{2}}\,mo{{l}^{-2}}{{s}^{-1}}\]
  done clear
  D)
          \[5\times {{10}^{-3}}{{L}^{2}}mo{{l}^{-2}}{{s}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer87) Entropy change \[(\Delta S)\] is positive for the  following
  A)
  \[CaC{{O}_{3}}(s)\xrightarrow{\Delta }CaO(s)+C{{O}_{2}}(g)\]
  done clear
  B)
  \[2l(g)\xrightarrow{{}}{{I}_{2}}(g)\]
  done clear
  C)
   \[N{{a}^{+}}(g)+C{{l}^{-}}(g)\xrightarrow{{}}NaCl(s)\]
  done clear
  D)
   \[{{H}_{2}}O(l)\xrightarrow{{}}{{H}_{2}}O(s)\]
  done clear
  View Answer play_arrow

• question_answer88) If one strand of DNA has the sequence ATCGTATG, the sequence in the complementary strand would be
  A)
  TAGCTTAC      
  done clear
  B)
         TCACATAC         
  done clear
  C)
          TAGCATAC      
  done clear
  D)
          TACGATAC
  done clear
  View Answer play_arrow

• question_answer89) Glyptal is
  A)
  polyethylene phthalate
  done clear
  B)
  polyethyleneterepthalate
  done clear
  C)
   polyamide
  done clear
  D)
   poly ethyl methacrylate
  done clear
  View Answer play_arrow

• question_answer90) The substance used as an activator in froth floatation process is
  A)
  potassium ethyl xanthate
  done clear
  B)
  sodium cyanide
  done clear
  C)
   copper sulphate
  done clear
  D)
   pine oil
  done clear
  View Answer play_arrow

• question_answer91) IUPAC name of the compound \[C{{H}_{3}}-C{{H}_{2}}-\underset{C{{H}_{2}}}{\mathop{\underset{|\,\,|}{\mathop{C}}\,}}\,-\underset{C{{H}_{2}}}{\mathop{\underset{|\,\,|}{\mathop{C}}\,}}\,-C{{H}_{3}}\]is
  A)
  3-ethyl-2-methyl buta-1, 3-diene
  done clear
  B)
  2-ethyl-3-methylbuta-1, 3-diene
  done clear
  C)
   2, 3-methylidene pentane
  done clear
  D)
   2-methyl-3-methylidene pent-1-ene
  done clear
  View Answer play_arrow

• question_answer92) The dipeptide glycylalanine contains
  A)
  glycine as C-terminal residue
  done clear
  B)
  glycine as N-termmal residue
  done clear
  C)
   calanine as N-terminal residue
  done clear
  D)
   either (a) or (b)
  done clear
  View Answer play_arrow

• question_answer93) In which of the following p-electrons of the halogen are not involved in delocalisation?
  A)
  Chlorobenzene                
  done clear
  B)
  Bromobenzne
  done clear
  C)
          Alkyl chloride     
  done clear
  D)
          Vinyl chloride
  done clear
  View Answer play_arrow

• question_answer94) Grignard reagent is an organometallic compound of type
  A)
  simple
  done clear
  B)
  Simple asymmetrical
  done clear
  C)
   complex
  done clear
  D)
   simple symmetrical
  done clear
  View Answer play_arrow

• question_answer95) Which of the following complex is octahedral in shape?
  A)
  \[{{[Fe{{(CN)}_{6}}]}^{-3}}\]                      
  done clear
  B)
  \[{{[Zn{{(N{{H}_{3}})}_{4}}]}^{2+}}\]
  done clear
  C)
          \[[Ni{{(CO)}_{4}}]\]       
  done clear
  D)
          \[{{[(CuC{{l}_{4}})]}^{2-}}\]
  done clear
  View Answer play_arrow

• question_answer96) Assertion If the activation energy of a reaction is zero, temperature will have no effect on the rate constant. Reason Lower the activation energy, faster is the reaction.                                 
  A)
  If both Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
  If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
   If Assertion is true but Reason is false
  done clear
  D)
   If both Assertion and Reason are false        
  done clear
  View Answer play_arrow

• question_answer97) Assertion Tartaric acid and fumaric acid exhibit geometrical isomerism. Reason They contain carbon-carbon double bond.
  A)
  If both Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
  If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
   If Assertion is true but Reason is false
  done clear
  D)
   If both Assertion and Reason are false        
  done clear
  View Answer play_arrow

• question_answer98) Assertion Free radical halogenation of n-butane gives 72% 2-halobutane and 28% 1-halobutane. Reason A secondary hydrogen is abstracted more easily than the primary hydrogen.
  A)
  If both Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
  If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
   If Assertion is true but Reason is false
  done clear
  D)
   If both Assertion and Reason are false        
  done clear
  View Answer play_arrow

• question_answer99) Assertion Fehlings solution can be used to distinguish acetaldehyde from benzaldehyde. Reason The C?H bond of CHO group in acetaldehyde is stronger than C?H bond of CHO group in benzaldehyde.
  A)
  If both Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
  If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
   If Assertion is true but Reason is false
  done clear
  D)
   If both Assertion and Reason are false        
  done clear
  View Answer play_arrow

• question_answer100) Assertion The two lobes of a p-orbital have opposite sign. Reason The two lobes of a p-orbital lie on the opposite side of the nucleus.
  A)
  If both Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
  If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
   If Assertion is true but Reason is false
  done clear
  D)
   If both Assertion and Reason are false        
  done clear
  View Answer play_arrow

• question_answer101) Which statement is correct for biomolecules?
  A)
  DNA is a polymer of ribonucleotides
  done clear
  B)
  All carbohydrates break into glucose
  done clear
  C)
  Sequence of amino acids determine primary structure of protein
  done clear
  D)
  RNA is single-stranded and contains different urine bases other than DNA
  done clear
  View Answer play_arrow

• question_answer102) An example of competitive inhibition of an enzyme is the inhibition of
  A)
  cytochrome oxidase by cyanide
  done clear
  B)
  hexokinase by glucose 6-phosphate
  done clear
  C)
  carbonic anhydrase by \[C{{O}_{2}}\]
  done clear
  D)
  succinic dehydrogenase by melonic acid          
  done clear
  View Answer play_arrow

• question_answer103) Which is a reducing sugar?
  A)
  Cellulose                             
  done clear
  B)
  Maltose                              
  done clear
  C)
  Sucrose                               
  done clear
  D)
  Starch
  done clear
  View Answer play_arrow

• question_answer104) Tusks of elephants are modified
  A)
  canines                
  done clear
  B)
  incisors
  done clear
  C)
         molars 
  done clear
  D)
         premolars
  done clear
  View Answer play_arrow

• question_answer105) The main function of lacteals in the villi of small intestine is the absorption of
  A)
  glucose and vitamins
  done clear
  B)
         water and mineral salts
  done clear
  C)
         fatty acid and glycerol
  done clear
  D)
         amino acids and glucose
  done clear
  View Answer play_arrow

• question_answer106) Hyposecretion of thyroid during pregnancy causes
  A)
  goitre                   
  done clear
  B)
         cretinism            
  done clear
  C)
         hypoglycemia   
  done clear
  D)
         diabetes mellitus
  done clear
  View Answer play_arrow

• question_answer107) The new oral contraceptive named Saheli for female was developed by the scientists of
  A)
  CDRI, Lucknow 
  done clear
  B)
         IISC Bengaluru  
  done clear
  C)
                         CSIR, New Delhi               
  done clear
  D)
         ICMR, New Delhi
  done clear
  View Answer play_arrow

• question_answer108) Pellagra is caused by the deficiency of
  A)
  thiamine                             
  done clear
  B)
         cyanocobalmine              
  done clear
  C)
  nicotinic add                      
  done clear
  D)
         ascorbic acid
  done clear
  View Answer play_arrow

• question_answer109) In human beings 45 chromosomes/ single/X/XO abnormalities causes
  A)
  Downs syndrome
  done clear
  B)
         Klinefelters syndrome
  done clear
  C)
         Turners syndrome
  done clear
  D)
         Edwards syndrome
  done clear
  View Answer play_arrow

• question_answer110) Which one of the following caused the oriental sore?
  A)
  Trypanosoma gambiense
  done clear
  B)
         Leishmania brasiliensis
  done clear
  C)
         Leishmania cruzi
  done clear
  D)
         Leishmania tropica          
  done clear
  View Answer play_arrow

• question_answer111) Which of the following infective stage of Plasmodium transferred to human body and causes malaria?
  A)
  Mesozoites                       
  done clear
  B)
         Gametocytes    
  done clear
  C)
                         Sporozoites                       
  done clear
  D)
         Schizonts
  done clear
  View Answer play_arrow

• question_answer112) Metastasis is
  A)
  rapid division in cancer cells
  done clear
  B)
         spread of cancer cells to new sites
  done clear
  C)
         regeneration of cancer cells
  done clear
  D)
         None of the above
  done clear
  View Answer play_arrow

• question_answer113) Among the following which one have high risk of getting HIV infection?
  A)
  Individuals, who have multiple sexual partners
  done clear
  B)
         Drug addicts, who take drugs intravenously
  done clear
  C)
         Individuals, who require repeated blood transfusions
  done clear
  D)
         All of the above
  done clear
  View Answer play_arrow

• question_answer114) In gel electrophoresis, DNA is separated according to their
  A)
  pH         
  done clear
  B)
                         charge                 
  done clear
  C)
         concentration   
  done clear
  D)
         size
  done clear
  View Answer play_arrow

• question_answer115) Biomagnification of DDT caused decline in bird population by
  A)
  bringing disturbance in calcium metabolism
  done clear
  B)
         thinning of egg shell
  done clear
  C)
         premature breaking of eggs
  done clear
  D)
         All of the above
  done clear
  View Answer play_arrow

• question_answer116) Analogous organs have
  A)
  different origin but similar functions
  done clear
  B)
         common origin and similar functions
  done clear
  C)
         different origin and different functions
  done clear
  D)
         common origin but different functions
  done clear
  View Answer play_arrow

• question_answer117) Presence of choanocytes is the characteristic feature of
  A)
  Cnidaria               
  done clear
  B)
                         Porifera                               
  done clear
  C)
         Arthropoda                       
  done clear
  D)
         Mollusca
  done clear
  View Answer play_arrow

• question_answer118) Acoelomates are included in the phylum
  A)
  Annelida             
  done clear
  B)
                         Mollusca                             
  done clear
  C)
         Platyhelminthes              
  done clear
  D)
         Echinodermata
  done clear
  View Answer play_arrow

• question_answer119) Placoid scales is the characteristic feature of class
  A)
  Cyclostomata    
  done clear
  B)
         Chondrichthyes
  done clear
  C)
         Osteichthyes                    
  done clear
  D)
         Amphibia
  done clear
  View Answer play_arrow

• question_answer120) Which of the following forms a strong inextensible attachment of skeletal muscle to a bone?
  A)
  Tendon
  done clear
  B)
                                         Ligaments
  done clear
  C)
         Areolar connective tissue
  done clear
  D)
         Adipose tissue
  done clear
  View Answer play_arrow

• question_answer121) The dental formula of adult human is
  A)
  \[I\frac{2}{2}C\frac{1}{1}PM\frac{2}{2}M\frac{3}{3}\times 2\]
  done clear
  B)
         \[I\frac{3}{3}C\frac{1}{1}PM\frac{3}{2}M\frac{1}{1}\times 2\]
  done clear
  C)
         \[I\frac{3}{3}C\frac{1}{1}PM\frac{4}{4}M\frac{2}{3}\times 2\]
  done clear
  D)
         \[I\frac{3}{3}C\frac{1}{1}PM\frac{4}{4}M\frac{3}{3}\times 2\]
  done clear
  View Answer play_arrow

• question_answer122) What percentage of \[C{{O}_{2}}\] is transported by RBCs?
  A)
  70%       
  done clear
  B)
                         20-25%                
  done clear
  C)
         97%                       
  done clear
  D)
         7%
  done clear
  View Answer play_arrow

• question_answer123) Second heart sound is
  A)
  lub during closure of semilunar valves
  done clear
  B)
         lub during closure of atrioventricular valves
  done clear
  C)
         dupp during closure of atrioventricular valves
  done clear
  D)
         dupp during closure of semilunar valves
  done clear
  View Answer play_arrow

• question_answer124) What type of joint is characterized by the presence of a fluid filled cavity that plays a significant role in locomotion?
  A)
  Fibrous joints                    
  done clear
  B)
         Cartilaginous joints
  done clear
  C)
         Synovial joints
  done clear
  D)
         All of the above
  done clear
  View Answer play_arrow

• question_answer125) The principal cation in alkaline soil, is
  A)
  \[N{{a}^{+}}\]
  done clear
  B)
                                         \[{{K}^{+}}\]
  done clear
  C)
         \[C{{a}^{2+}}\]
  done clear
  D)
                         None of these
  done clear
  View Answer play_arrow

• question_answer126) The rate of photosynthesis is maximum in
  A)
  green light                         
  done clear
  B)
         blue light            
  done clear
  C)
         red light
  done clear
  D)
         far-red light
  done clear
  View Answer play_arrow

• question_answer127) Respiratory Quotient (RQ) is less than one when the substrate is
  A)
  protein                
  done clear
  B)
         carbohydrate    
  done clear
  C)
         organic acid                       
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer128) Which of the following is present in ecosystem?
  A)
  Food chain                         
  done clear
  B)
         Food web                           
  done clear
  C)
         Both (a) and (b)               
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer129) Genes are made up of
  A)
  carbohydrates
  done clear
  B)
                         fats       
  done clear
  C)
         proteins                              
  done clear
  D)
         nucleic acids
  done clear
  View Answer play_arrow

• question_answer130) Morphine is extracted from
  A)
  Cinchona officinalis
  done clear
  B)
         Papaver somniferum
  done clear
  C)
         Rauwolffia serpentine
  done clear
  D)
         Magnifera indica
  done clear
  View Answer play_arrow

• question_answer131) Which of the following is a fungicide?
  A)
  DDT                       
  done clear
  B)
         Bordeaux mixture          
  done clear
  C)
                         2, 4-D                   
  done clear
  D)
         DCMU
  done clear
  View Answer play_arrow

• question_answer132) Which of the following is found in animal cell?
  A)
  Plasmodesmata               
  done clear
  B)
         80 S ribosomes                 
  done clear
  C)
         Centriole                            
  done clear
  D)
         All of these
  done clear
  View Answer play_arrow

• question_answer133) Which of the following is an exception to cell theory?
  A)
  Bacteria               
  done clear
  B)
                         Fungi                    
  done clear
  C)
         Viruses                
  done clear
  D)
         Lichens
  done clear
  View Answer play_arrow

• question_answer134) Which one is chief component of middle lamella?
  A)
  K            
  done clear
  B)
                         Ca          
  done clear
  C)
         Mg                        
  done clear
  D)
         Na
  done clear
  View Answer play_arrow

• question_answer135) Fluid mosaic model for cell membrane was proposed by
  A)
  Singer and Nicholson
  done clear
  B)
         Robert Brown
  done clear
  C)
         Watson and Crick
  done clear
  D)
         Beadle and Tatum
  done clear
  View Answer play_arrow

• question_answer136) The total hereditary material outside the chromosome is called as
  A)
  plasmogene      
  done clear
  B)
         Plasmon              
  done clear
  C)
         muton                 
  done clear
  D)
         recon
  done clear
  View Answer play_arrow

• question_answer137) Synapsis is characteristic feature of
  A)
  leptotene           
  done clear
  B)
                         zygotene                            
  done clear
  C)
         pachytene                         
  done clear
  D)
         diplotene
  done clear
  View Answer play_arrow

• question_answer138) Which cellular components are found in mycoplasma, spirochaetes and rickettsias?
  A)
  DNA                      
  done clear
  B)
         RNA      
  done clear
  C)
         Ribsomes                           
  done clear
  D)
         All of these
  done clear
  View Answer play_arrow

• question_answer139) Which of the following is called milk bacterium?
  A)
  Lactobacillus      
  done clear
  B)
                         Acetobacter      
  done clear
  C)
         Xanthomonas   
  done clear
  D)
         Streptococcus
  done clear
  View Answer play_arrow

• question_answer140) Which species of Pinus produces chilgoza?
  A)
  P. wallichiana    
  done clear
  B)
         P. insularis                          
  done clear
  C)
         P. gerardiana    
  done clear
  D)
                         P. roxburgii
  done clear
  View Answer play_arrow

• question_answer141) Which one is smallest unit of classification?
  A)
  Class
  done clear
  B)
                                         Order
  done clear
  C)
         Species                
  done clear
  D)
         Family
  done clear
  View Answer play_arrow

• question_answer142) In viruses, the protein coat enclosing nucleic acid, is
  A)
  capsid  
  done clear
  B)
                         plasmid               
  done clear
  C)
         plastid                  
  done clear
  D)
         Plasmon
  done clear
  View Answer play_arrow

• question_answer143) Which of the following is stained by using carmine?
  A)
  Chromosomes 
  done clear
  B)
         Bacteria                               
  done clear
  C)
         Viruses                
  done clear
  D)
         Diatoms
  done clear
  View Answer play_arrow

• question_answer144) The alkaloid used for induction of polyploidy, is
  A)
  auxin    
  done clear
  B)
                         kinetin                 
  done clear
  C)
         ethylene                             
  done clear
  D)
         colchicines
  done clear
  View Answer play_arrow

• question_answer145) In mitochondria, the enzyme cytochrome oxidase in present in
  A)
  outer membrane            
  done clear
  B)
         matrix
  done clear
  C)
         perimitochondrial space
  done clear
  D)
         inner membrane
  done clear
  View Answer play_arrow

• question_answer146) Which of the following is a total root parasite?
  A)
  Rafflessia            
  done clear
  B)
                         Santalum                            
  done clear
  C)
         Cuscuta                               
  done clear
  D)
         Monotropa
  done clear
  View Answer play_arrow

• question_answer147) Which of the following have living cytoplasm?
  A)
  Vessels
  done clear
  B)
                         Tracheids                            
  done clear
  C)
         Sclerenchyma   
  done clear
  D)
         Companion cells
  done clear
  View Answer play_arrow

• question_answer148) Pollen grains are used in fossil study because there cell wall is composed of
  A)
  sporopollenin
  done clear
  B)
                         cellulose             
  done clear
  C)
         pectocellulose  
  done clear
  D)
         lignin
  done clear
  View Answer play_arrow

• question_answer149) DNA replication takes place during
  A)
  \[{{G}_{1}}\]-phase       
  done clear
  B)
                         S-phase                               
  done clear
  C)
         \[{{G}_{2}}\]-phase                       
  done clear
  D)
         M-phase
  done clear
  View Answer play_arrow

• question_answer150) Which of the following cell organelles stores hydrolytic enzymes which act as acidic pH?
  A)
  Lysosome           
  done clear
  B)
                         Centriole                            
  done clear
  C)
         Chloroplast                        
  done clear
  D)
         Nucleus
  done clear
  View Answer play_arrow

• question_answer151) The stage protonema is found in the life cycle of
  A)
  Cycas    
  done clear
  B)
                         Funaria                
  done clear
  C)
         Selaginella                          
  done clear
  D)
         Mucor
  done clear
  View Answer play_arrow

• question_answer152) Development of an embryo without fertilization is called
  A)
  polyembryony 
  done clear
  B)
         vivipary               
  done clear
  C)
         parthenogenesis             
  done clear
  D)
         parthenocarpy
  done clear
  View Answer play_arrow

• question_answer153) The cell organelle(s) involved in photorespiration is/are
  A)
  mitochondria
  done clear
  B)
                         chloroplast                         
  done clear
  C)
         peroxisome                       
  done clear
  D)
         All of these
  done clear
  View Answer play_arrow

• question_answer154) The diameter of DNA molecule is
  A)
  \[15\,\overset{\text{o}}{\mathop{\text{A}}}\,\]              
  done clear
  B)
                                         \[20\,\overset{\text{o}}{\mathop{\text{A}}}\,\]              
  done clear
  C)
         \[25\,\overset{\text{o}}{\mathop{\text{A}}}\,\]                              
  done clear
  D)
         \[34\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer155) In Funaria capsule, dispersal of spores takes place through
  A)
            annulus     
  done clear
  B)
                                   peristomial teeth
  done clear
  C)
                                   calyptra                     
  done clear
  D)
                   operculum
  done clear
  View Answer play_arrow

• question_answer156) Formation of clamp connections is a characteristic feature of
  A)
  Phycomycetes 
  done clear
  B)
         Ascomycetes    
  done clear
  C)
                   Basidiomycetes     
  done clear
  D)
                   Deuteromycetes
  done clear
  View Answer play_arrow

• question_answer157) In case of incomplete dominance, what will be the phenotypic ratio of \[{{F}_{2}}\] generation?
  A)
  1 : 2 : 1 
  done clear
  B)
                         1 : 1       
  done clear
  C)
                   1 : 1 : 1 : 1  
  done clear
  D)
                                   3 : 1
  done clear
  View Answer play_arrow

• question_answer158) Which of the following cell organelles does not contain DNA?
  A)
            Chloroplast              
  done clear
  B)
                                   Mitochondria          
  done clear
  C)
                                   Peroxisome             
  done clear
  D)
                                   Nucleus
  done clear
  View Answer play_arrow

• question_answer159) The trabeculae found in Selaginella are the modification of
  A)
  epidermal cells 
  done clear
  B)
         cortical cells       
  done clear
  C)
                                   endodermal cells
  done clear
  D)
                                   pericycle cells
  done clear
  View Answer play_arrow

• question_answer160) Secondary radial symmetry is found in
  A)
            Cnidaria                     
  done clear
  B)
                   jelly fish                    
  done clear
  C)
                   Echinodermata      
  done clear
  D)
                   Hemichordata
  done clear
  View Answer play_arrow

• question_answer161) Which one of the following is connecting link between Annelids and Molluscans?
  A)
            Peripatus
  done clear
  B)
                                                   Lepidosiren             
  done clear
  C)
                                   Neopilina  
  done clear
  D)
                                   Protopterus
  done clear
  View Answer play_arrow

• question_answer162) Core zone, buffer zone and manipulation zone are found in
  A)
            National park          
  done clear
  B)
                   biosphere reserve                
  done clear
  C)
                   sanctuary 
  done clear
  D)
                                   tiger reserve
  done clear
  View Answer play_arrow

• question_answer163) Tiger population is abundantly found in
  A)
  Sunderbans National Park
  done clear
  B)
         Corbett National Park
  done clear
  C)
         Ranthambhor National Park
  done clear
  D)
         Kanha National Park
  done clear
  View Answer play_arrow

• question_answer164) If a child is of blood group-O and his father is of blood group-B, the genotype of father will be
  A)
            \[{{I}^{O}}{{I}^{O}}\]                           
  done clear
  B)
                   \[{{I}^{A}}{{I}^{B}}\]                                           
  done clear
  C)
                   \[{{I}^{O}}{{I}^{B}}\]
  done clear
  D)
                   \[{{I}^{O}}{{I}^{A}}\]
  done clear
  View Answer play_arrow

• question_answer165) Oxyntic cells of gastric gland secrete
  A)
            \[HCl\]       
  done clear
  B)
                                                   trypsin                       
  done clear
  C)
                   \[NaOH\]                  
  done clear
  D)
                   pepsinogen
  done clear
  View Answer play_arrow

• question_answer166) Menstruation is due to
  A)
   sudden reduction of FSH
  done clear
  B)
          sudden increase of LH
  done clear
  C)
         sudden reduction of oestrogen and progesterone
  done clear
  D)
         None of the above
  done clear
  View Answer play_arrow

• question_answer167) Which of the following is used to control human population?
  A)
  Oestrogen and progesterone
  done clear
  B)
         IUCD and MTP
  done clear
  C)
         Tubectomy and vasectomy
  done clear
  D)
         All of the above
  done clear
  View Answer play_arrow

• question_answer168) In which of the following syndrome, additional X-chromosome is present?
  A)
  Turners syndrome
  done clear
  B)
         Klinefelters syndrome
  done clear
  C)
         Super female
  done clear
  D)
         Downs syndrome
  done clear
  View Answer play_arrow

• question_answer169) The theory of continuity of germplasm was proposed by
  A)
            Mendel     
  done clear
  B)
                                   Griffith                      
  done clear
  C)
                   Weismann
  done clear
  D)
                                   Nawaschin
  done clear
  View Answer play_arrow

• question_answer170) Bipolar neurons occurs in
  A)
  vertebrate embryo
  done clear
  B)
         brain and spinal cord
  done clear
  C)
         retina of eye
  done clear
  D)
         skeletal muscles
  done clear
  View Answer play_arrow

• question_answer171) Production of glucose from amino acids, fatty acids and glycerol is called
  A)
            glycogenesis                           
  done clear
  B)
                   gluconeogenesis   
  done clear
  C)
                   glycogenolysis        
  done clear
  D)
                   glycolysis
  done clear
  View Answer play_arrow

• question_answer172) Which foramen is a paired in mammalian brain?
  A)
  Foramen of Magendie
  done clear
  B)
         Foramina of Luschka
  done clear
  C)
         Foramen of Monro
  done clear
  D)
         Interventricular foramen
  done clear
  View Answer play_arrow

• question_answer173) The non-directional force that alters Hardy- Weinberg equilibrium is
  A)
            random mating      
  done clear
  B)
                   gene frequency     
  done clear
  C)
                   large population    
  done clear
  D)
                   genetic drift
  done clear
  View Answer play_arrow

• question_answer174) Right handedness is dominant over left handedness. Most probable gene types having two right handed parents with a left handed child, is
  A)
            \[Rr\times RR\]      
  done clear
  B)
                   \[rr\times RR\]
  done clear
  C)
                   \[rr\times rr\]                         
  done clear
  D)
                   \[Rr\times Rr\]
  done clear
  View Answer play_arrow

• question_answer175) Facial nerve is
  A)
            sensory                     
  done clear
  B)
                   motor                        
  done clear
  C)
         Both (a) and (b)               
  done clear
  D)
                   None of these
  done clear
  View Answer play_arrow

• question_answer176) Renal corpuscles of human kidney divided into
  A)
  PCT and loop of Henle
  done clear
  B)
         atria and ventricles
  done clear
  C)
         Bowmans capsule and glomerulus
  done clear
  D)
         All of the above
  done clear
  View Answer play_arrow

• question_answer177) The larva of phylum-Annelida is called as
  A)
  miracidium                         
  done clear
  B)
         trochophore                     
  done clear
  C)
         glochidium                         
  done clear
  D)
         rhabditiform
  done clear
  View Answer play_arrow

• question_answer178) The antibiotic penicillin has inhibitory effect through
  A)
  dissolution of cell wall synthesis
  done clear
  B)
         inhibition of protein synthesis
  done clear
  C)
         inhibition of DNA replication
  done clear
  D)
         injury to plasma membrane
  done clear
  View Answer play_arrow

• question_answer179) Moti is formed from
  A)
  Limulus
  done clear
  B)
                                         Palaemon           
  done clear
  C)
                   Pinctada                    
  done clear
  D)
                   Plasmodium
  done clear
  View Answer play_arrow

• question_answer180)  The zone of transition between two communities, is
  A)
            biome                        
  done clear
  B)
                   ecotone                    
  done clear
  C)
                   ecological niche     
  done clear
  D)
                   natality
  done clear
  View Answer play_arrow

• question_answer181) Germplasm        conservation at liquid \[{{N}_{2}}\] temperature \[\left( -196{}^\circ C \right)\] is called
  A)
  Pasteurization
  done clear
  B)
         Cryopreservation
  done clear
  C)
         in situ conservation
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer182) Liver is able to manufacture
  A)
  vitamin-A
  done clear
  B)
                                         vitamin-E                            
  done clear
  C)
         vitamin-C                            
  done clear
  D)
         vitamin-\[{{B}_{1}}\]
  done clear
  View Answer play_arrow

• question_answer183) The metal component of nitrogenase and nitrate reductase, is
  A)
            Cu
  done clear
  B)
                                                                   Mg                              
  done clear
  C)
                   Mo                              
  done clear
  D)
                                   Ni
  done clear
  View Answer play_arrow

• question_answer184) Agar-agar is obtained from
  A)
            Ulothrix
  done clear
  B)
                                                   Chlorella   
  done clear
  C)
                                   Gelidium   
  done clear
  D)
                                   Spirogyra
  done clear
  View Answer play_arrow

• question_answer185) Which of the following is responsible for red colour of tomato?
  A)
            Chlorophyll              
  done clear
  B)
                                                   Phycoerythrin
  done clear
  C)
                   Phycocyanin            
  done clear
  D)
                                   Lycopene
  done clear
  View Answer play_arrow

• question_answer186) The underground stem that has contractile roots, is
  A)
  rhizome              
  done clear
  B)
                         corm                     
  done clear
  C)
         stem tuber                        
  done clear
  D)
         bulb
  done clear
  View Answer play_arrow

• question_answer187) Inner lining of blood vessels is formed by
  A)
  ciliated epithelium
  done clear
  B)
         squamous epithelium
  done clear
  C)
         cubical epithelium
  done clear
  D)
         columnar epithelium
  done clear
  View Answer play_arrow

• question_answer188) Match the items in column I with those of column II.

  Column I	Column II
  Peritichous flagellation	Ginkgo
  Living fossil	Macrocystis
  Rhizophore	Escherichia coli
  Smallest flowering plant	Selaginella
  Largest perennial alga	wolffia

           
  A)
   A-3         B-1         C-4         D-5         E-2
  done clear
  B)
  A-1          B-2         C-3         D-4         E-5
  done clear
  C)
  A-2          B-1         C-3         D-5         E-4
  done clear
  D)
  A-4          B-5         C-2         D-1         E-3
  done clear
  View Answer play_arrow

• question_answer189) Which one of the following is not the feature of gymnosperms?
  A)
  Parallel venation
  done clear
  B)
         Perennial plants
  done clear
  C)
         Distinct branches
  done clear
  D)
         Xylem with vessels
  done clear
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• question_answer190) Match the items in column I with column II.

  Column I	Column II
  A. Grana	Krebs cycle
  B. Stroma	Light reaction
  C. Cytoplasm	Dark reaction
  D. Matrix	Glycolysis

  A)
  A-3         B-2         C-1         D-4
  done clear
  B)
         A-1         B-2         C-3         D-4
  done clear
  C)
         A-2         B-3         C-4         D-1
  done clear
  D)
         A-4         B-1         C-2         D-3
  done clear
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• question_answer191) Water is released as droplet, this is known as
  A)
  root pressure   
  done clear
  B)
         transpiration     
  done clear
  C)
                         guttation                            
  done clear
  D)
         evaporation
  done clear
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• question_answer192) The most abundant element present in plant, is
  A)
  nitrogen              
  done clear
  B)
                         manganese                       
  done clear
  C)
         iron                       
  done clear
  D)
         carbon
  done clear
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• question_answer193) Bakanae disease in rice plants is caused by
  A)
  NAA      
  done clear
  B)
                         2, 4-D                   
  done clear
  C)
         GA                         
  done clear
  D)
         IAA
  done clear
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• question_answer194) In callus culture, roots can be induced by supply of
  A)
  auxin    
  done clear
  B)
                         cytokinin                             
  done clear
  C)
         gibberellins                        
  done clear
  D)
         ethylene
  done clear
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• question_answer195) Reabsorption of useful substances back into the blood from filtrate in nephron occurs in
  A)
  PCT       
  done clear
  B)
         loop of Henle    
  done clear
  C)
         DCT       
  done clear
  D)
         collecting duct
  done clear
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• question_answer196) Assertion Adrenal gland is also called as 4-S gland.           Reason Hormones of adrenal gland regulate salt retention, sugar metabolism, sex hormone secretion and sources of energy for increased metabolism.
  A)
  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
         Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
         Assertion is true but Reason is false
  done clear
  D)
         Assertion is false but Reason is true
  done clear
  View Answer play_arrow

• question_answer197) Assertion Conduction of nerve impulse is an electrochemical event and is an active process. Reason Nerve impulse conduction needs energy during repolarization.
  A)
  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
         Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
         Assertion is true but Reason is false
  done clear
  D)
         Assertion is false but Reason is true
  done clear
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• question_answer198) Assertion In human heart, fossa ovalis is a vestige of an oval-shaped foramen ovale of embryonic heart.           Reason Papillary muscles of ventricles of human heart act as anchors and sites of attachment of chordae tendinae.
  A)
  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
         Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
         Assertion is true but Reason is false
  done clear
  D)
         Assertion is false but Reason is true
  done clear
  View Answer play_arrow

• question_answer199) Assertion The type of inflorescence in Sphaeranthus is cyathium.           Reason In cyathium type of inflorescence, the flowers are achlamydeous.
  A)
  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
         Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
         Assertion is true but Reason is false
  done clear
  D)
         Assertion is false but Reason is true          
  done clear
  View Answer play_arrow

• question_answer200) Assertion Passive process like diffusion and osmosis do not require energy.                 Reason Because the plasma membrane is a static structure.
  A)
  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  done clear
  B)
         Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  done clear
  C)
         Assertion is true but Reason is false
  done clear
  D)
         Assertion is false but Reason is true
  done clear
  View Answer play_arrow