Solved papers for Manipal Medical Manipal Medical Solved Paper-2014

done Manipal Medical Solved Paper-2014 Total Questions - 200

• question_answer1) A tin nucleus has charge 50 eV. If the proton is at \[{{10}^{-12}}\]m from the nucleus. Then, the potential at this position will be
  A)
  \[7.2\times {{10}^{8}}V\]                                
  done clear
  B)
  \[3.6\times {{10}^{4}}V\]
  done clear
  C)
  \[14.4\times {{10}^{4}}V\]                              
  done clear
  D)
  \[7.2\times {{10}^{4}}V\]
  done clear
  View Answer play_arrow

• question_answer2) A bar magnet has a magnetic moment equal to \[5\times {{10}^{-5}}\Omega m\]. It is suspended in magnetic field, which has a magnetic induction\[B=8\pi \times {{10}^{-4}}T\]. Then, the magnet vibrates with period of vibration equal to 15 s. Then, the moment of inertia of magnetic well be
  A)
  \[7.16\times {{10}^{-7}}kg-{{m}^{2}}\]
  done clear
  B)
  \[14.32\times {{10}^{-7}}kg-{{m}^{2}}\]
  done clear
  C)
  \[5.58\times {{10}^{-7}}kg-{{m}^{2}}\]
  done clear
  D)
  None of these
  done clear
  View Answer play_arrow

• question_answer3) We combined a convex lens of focal length and \[{{f}_{1}}\]concave lens of focal length \[{{f}_{2}}\] and their combined focal length was F. The combination of these lenses will be have like a concave lens, if
  A)
  \[{{f}_{1}}\le {{f}_{2}}\]                   
  done clear
  B)
  \[{{f}_{1}}={{f}_{2}}\]
  done clear
  C)
  \[{{f}_{1}}<{{f}_{2}}\]                      
  done clear
  D)
  \[{{f}_{1}}>{{f}_{2}}\]
  done clear
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• question_answer4) The efficiency of a Carnot engine operating with reservoir temperature of 100°C and -23°C will be
  A)
  \[\frac{100-23}{373}\]
  done clear
  B)
  \[\frac{100+23}{373}\]
  done clear
  C)
  \[\frac{100+23}{100}\]                     
  done clear
  D)
   \[\frac{100-23}{100}\]
  done clear
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• question_answer5) A particle having charge 100 times that of an electron is revolving in a circular path of radius 0.8 m with one rotation per second. Magnetic field produced at centre of particle is
  A)
   \[{{10}^{-17}}{{\mu }_{0}}\]                          
  done clear
  B)
  \[{{10}^{-11}}{{\mu }_{0}}\]
  done clear
  C)
  \[{{10}^{-7}}{{\mu }_{0}}\]                             
  done clear
  D)
  \[{{10}^{-3}}{{\mu }_{0}}\]
  done clear
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• question_answer6) Two coils have mutual inductance 0.005 H. The current changes in the from coil according to equation, \[I={{I}_{0}}\sin \omega t.\]Where \[{{I}_{0}}=10\,A\]and \[\omega =100\pi \]rad/s. The maximum value of emf in the second coil is
  A)
  \[12\,\pi \]                                            
  done clear
  B)
  \[8\,\pi \]
  done clear
  C)
  \[5\,\pi \]                                               
  done clear
  D)
  \[2\,\pi \]
  done clear
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• question_answer7) In a p-type semiconductor germanium is doped with
  A)
  gallium
  done clear
  B)
  aluminium
  done clear
  C)
  boron
  done clear
  D)
  All of the above
  done clear
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• question_answer8) A sphere is accelerated upwards by cord whose braking strength is four times its weight. The maximum acceleration with which the sphere can move up with our breaking the cord is
  A)
  g                                
  done clear
  B)
  3g
  done clear
  C)
  2g                              
  done clear
  D)
  4g
  done clear
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• question_answer9) The equation,\[{{4}_{1}}{{H}^{1}}\to {{{{[}_{2}}H{{e}^{4}}]}^{2+}}+2{{e}^{-}};+26\] MeV represents
  A)
  \[\gamma \]-decay                           
  done clear
  B)
  \[\alpha \]-decay
  done clear
  C)
  fission                     
  done clear
  D)
  fusion
  done clear
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• question_answer10) Mass of 2 kg is moving with a string in horizontal circle with angular velocity 5 cycle/m keeping the radius constant, tension in string is doubled. Now, the angular velocity of the mass will be
  A)
  14cycles/min
  done clear
  B)
  10cycles/min
  done clear
  C)
  2.25 cycles/min
  done clear
  D)
  7 cycles/min
  done clear
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• question_answer11) What is the potential energy of the soap film formed on a frame of area \[4\times {{10}^{-3}}{{m}^{2}}?\] If the area of the film is reduced by half, the change in its potential energy will be (surface tension of the soap solution is \[4\times {{10}^{-3}}\] H/m)
  A)
  \[32\times {{10}^{-5}}J,16\times {{10}^{-5}}J\]
  done clear
  B)
  \[16\times {{10}^{-5}}J,8\times {{10}^{-5}}J\]
  done clear
  C)
  \[48\times {{10}^{-5}}J,12\times {{10}^{-5}}J\]
  done clear
  D)
  \[36\times {{10}^{-5}}J,2\times {{10}^{-5}}J\]
  done clear
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• question_answer12) A body rolls without slipping. The radius of gyration of the body above an axis passing through its centre of mass is K. The radius of the body is R The ratio of rotational kinetic energy to translational kinetic energy is
  A)
  \[\frac{{{v}^{2}}}{{{R}^{2}}}\]                                        
  done clear
  B)
  \[\frac{{{R}^{2}}}{{{v}^{2}}+{{R}^{2}}}\]
  done clear
  C)
  \[\frac{{{v}^{2}}}{{{v}^{2}}+{{R}^{2}}}\]                    
  done clear
  D)
  \[{{v}^{2}}+{{R}^{2}}\]
  done clear
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• question_answer13) A point initially at run moves along x-axis. Its Acceleration varies with time\[\alpha =\](\[6t+5\]) in m/s. If its starts from origin, the distance covered in 2s is
  A)
  20m                                          
  done clear
  B)
  18m
  done clear
  C)
  16m                                          
  done clear
  D)
  25m
  done clear
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• question_answer14) A particle of mass m moves in a circular path radius r under the action of a force\[\frac{m\,{{\upsilon }^{2}}}{r}\]. The work done during its motion over half of the circumference of the circular path will be
  A)
  \[\left( \frac{m{{v}^{2}}}{r} \right)\times 2\pi r\]
  done clear
  B)
  \[\left( \frac{m{{v}^{2}}}{r} \right)\times \pi r\]
  done clear
  C)
  \[\left( \frac{2\pi r}{\frac{m{{v}^{2}}}{r}} \right)\]                               
  done clear
  D)
  zero
  done clear
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• question_answer15) In a potentiometer of one metre length an unknown emf voltage source is balanced at 60 cm length of potentiometer wire, while a 3\[3\upsilon \]battery is balanced at 45 cm length. Then, the emf of the unknown voltage source is
  A)
  3V                                             
  done clear
  B)
  2.25V
  done clear
  C)
   4V                            
  done clear
  D)
  4.5V
  done clear
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• question_answer16) An object placed on a ground is in stable equilibrium. If the object is given a slight push, then initially the position of centre of gravity
  A)
  moves nearer to ground
  done clear
  B)
  rises higher above the ground
  done clear
  C)
  remains as such
  done clear
  D)
  many remain at same level
  done clear
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• question_answer17) Two pendulums have time periods t and\[5t/4\]. They starts SHM at the same time from the mean position. What will be the phase difference between them after the bigger pendulum completed one oscillation?
  A)
  45°                                            
  done clear
  B)
   90°
  done clear
  C)
  60°                                            
  done clear
  D)
  30°
  done clear
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• question_answer18) A cylindrical conductor is placed near other positively charged conductor. The net charge acquired by the cylindrical conductor will be
  A)
  positive only
  done clear
  B)
  negative only
  done clear
  C)
   zero
  done clear
  D)
  either positive or negative                 
  done clear
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• question_answer19) An electric motor runs on DC source of emf 200V and draws a current of 10A. If the efficiency be 40%, then the resistance of armature is
  A)
  \[2\Omega \]                                       
  done clear
  B)
  \[8\Omega \]
  done clear
  C)
  \[12\Omega \]                                     
  done clear
  D)
  \[10\Omega \]
  done clear
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• question_answer20) Two waves having intensities in the ratio of 9:1 produce interference. The ratio of maximum to minimum intensity is equal to
  A)
  10: 8                                         
  done clear
  B)
  9:1
  done clear
  C)
  4:1            
  done clear
  D)
  2:1
  done clear
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• question_answer21) The difference between a photon and neutrino is
  A)
  the spin of photon is 1 and that of neutrino is \[\frac{1}{2}\]in units of \[\frac{h}{2\pi }\]
  done clear
  B)
  the spin of photon is \[\frac{1}{2}\] and that of neutrino is 1 units of \[\frac{h}{2\pi }\]
  done clear
  C)
  both have equal spin but neutrino is electromagnetic in nature
  done clear
  D)
  both have unequal spin but neutrino is electromagnetic in nature
  done clear
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• question_answer22) Alcohol is more volatile than water, because
  A)
  its boiling point is lower than water
  done clear
  B)
  it is an organic liquid
  done clear
  C)
  its freezing point is lower than water
  done clear
  D)
  its vapour pressure is 2.5 times greater than water
  done clear
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• question_answer23) In hydrogen spectrum, the wavelength of the line is 656 nm, where as in the spectrum of a distant galaxy, the line wavelength is 706 nm. Estimated speed of galaxy with respect to the earth is
  A)
  \[2\times {{10}^{8}}m/s\]                               
  done clear
  B)
  \[2\times {{10}^{7}}m/s\]
  done clear
  C)
  \[2\times {{10}^{6}}m/s\]                               
  done clear
  D)
  \[2\times {{10}^{5}}m/s\]
  done clear
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• question_answer24) Which of the following is not unit of charge?
  A)
   Faraday                                 
  done clear
  B)
  Fahrenheit
  done clear
  C)
  Coulomb                
  done clear
  D)
  Ampere/Second
  done clear
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• question_answer25) What is maximum height of a stone thrown vertically upward, if its velocity is halved in 1.5 s ? (\[g=10\,m/{{s}^{2}}\])
  A)
  20m                                          
  done clear
  B)
  25m
  done clear
  C)
  30m                                          
  done clear
  D)
  45m
  done clear
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• question_answer26) A circular loop of radius R carrying current I lies in x-y plane with its centre at origin. The total magnetic flux through x-y plane is
  A)
  directly proportional to l
  done clear
  B)
  directly proportional to R
  done clear
  C)
  directly proportional to \[{{R}^{2}}\]
  done clear
  D)
  zero
  done clear
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• question_answer27) A cone filled with water is revolved in a vertical circle of radius 4 m and the water does not fall down. What must be the maximum period of revolution?
  A)
  2s                                              
  done clear
  B)
  4s     
  done clear
  C)
  1s                                              
  done clear
  D)
  6s
  done clear
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• question_answer28) A prism of refractive index \[\sqrt{2}\] has a refracting angle of 60°. At what angle a ray must be incident on it, so that it suffers a minimum deviation.
  A)
  45°                                            
  done clear
  B)
  60°
  done clear
  C)
  90°                                            
  done clear
  D)
  180°
  done clear
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• question_answer29) The dimensional formula for Young's modulus is
  A)
  \[[M{{L}^{-1}}{{T}^{-2}}]\]                              
  done clear
  B)
  \[[{{M}^{0}}L{{T}^{-2}}]\]
  done clear
  C)
  \[[ML{{T}^{-2}}]\]                              
  done clear
  D)
  \[[M{{L}^{2}}{{T}^{-2}}]\]
  done clear
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• question_answer30) A police jeep is chaping with velocity of 45 km/h, a thief in another jeep moving with velocity 153 km/h. Police fires a bullet with muzzle velocity of 180 m/s. The velocity it will strike the car of the thief is
  A)
  150 m/s                                  
  done clear
  B)
  27 m/s
  done clear
  C)
  450 m/s                  
  done clear
  D)
  250 m/s
  done clear
  View Answer play_arrow

• question_answer31) If an insulated non-conducting sphere of radius ?R has charge density\[\rho \]. The electric field at a distance r from the centre of sphere (r > R) will be
  A)
   \[\frac{\rho R}{3{{\varepsilon }_{0}}}\]                                    
  done clear
  B)
  \[\frac{\rho r}{{{\varepsilon }_{0}}}\]
  done clear
  C)
  \[\frac{\rho r}{3{{\varepsilon }_{0}}}\]                                      
  done clear
  D)
  \[\frac{3\rho R}{{{\varepsilon }_{0}}}\]
  done clear
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• question_answer32) A person who can see things most clearly at a distance of 10m, requires. Spectacles to enable to see clearly things at a distance of 30m. What should be the focal length of the spectacles?
  A)
  15cm                                        
  done clear
  B)
  -15cm
  done clear
  C)
  10cm                                        
  done clear
  D)
  zero
  done clear
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• question_answer33) The minimum Wavelength of X-ray emissed by X-ray tube is 0.4125\[\overset{{}^\circ }{\mathop{A}}\,\]. The accelerating voltage is
  A)
  30 kV                       
  done clear
  B)
  50 kV   
  done clear
  C)
  80 kV                       
  done clear
  D)
  60 kV
  done clear
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• question_answer34) A box is lying on an inclined plane. If the box starts sliding when the angle of inclination is 45°, then its coefficient of friction will be
  A)
  1                                                
  done clear
  B)
  2     
  done clear
  C)
  \[\sqrt{3}\]                                           
  done clear
  D)
  \[\frac{\sqrt{3}}{2}\]
  done clear
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• question_answer35) A hot electric iron has a resistance of \[80\Omega \]and is used on a 200 V source. The electrical energy spent, if used for 2h, is
  A)
  8000 Wh                                 
  done clear
  B)
  2000 Wh
  done clear
  C)
  1000 Wh                                 
  done clear
  D)
  300 Wh
  done clear
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• question_answer36) Number of electron emitted by a surface exposed to light is directly proportional to the
  A)
  wavelength of light  
  done clear
  B)
  frequency of light
  done clear
  C)
  intensity of light     
  done clear
  D)
  velocity of light
  done clear
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• question_answer37) A ball of mass 0.25 kg attached to the ends of a strings of length 1.96 m is rotating in a horizontal circle. The string will break, if tension is more than 25 N. What is the maximum velocity with which the ball can be rotated?
  A)
  3 m/s                                       
  done clear
  B)
  5 m/s
  done clear
  C)
  9m/s                                         
  done clear
  D)
  14 m/s
  done clear
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• question_answer38) The phenomena arising due to the superposition of waves is/are
  A)
  beats                                       
  done clear
  B)
  stationary waves
  done clear
  C)
  lissajous figures                  
  done clear
  D)
  All of these
  done clear
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• question_answer39) At what temperature hydrogen molecules will escape from the earth's surface? (Take   mass   of   hydrogen   molecule \[=0.34\times {{10}^{-26}}\]kg,   Boltzmann  constant \[=1.38\times {{10}^{-23}}\] J/K, radius of the earth \[=6.4\times {{10}^{6}}\]m and acceleration due to gravity \[=9.8m/{{s}^{2}}\])
  A)
  \[10\,K\]                                
  done clear
  B)
  \[{{10}^{2}}K\]
  done clear
  C)
  \[{{10}^{3}}\,K\]                                 
  done clear
  D)
  \[{{10}^{4}}\,K\]
  done clear
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• question_answer40) The amplitude of an oscillating simple pendulum is 10 cm and its time period is 4s. Its speed after Is when it passes through its equilibrium position is
  A)
  zero                                         
  done clear
  B)
  2.0 m/s
  done clear
  C)
  0.3m/s                                    
  done clear
  D)
  0.4 m/s
  done clear
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• question_answer41) The tension in the string in the pulley system shown in the figure is
  A)
  75N                                          
  done clear
  B)
  80N
  done clear
  C)
  7.5N                                         
  done clear
  D)
  30N
  done clear
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• question_answer42) A beam of cathode rays is subjected to crossed electric (E) and magnetic fields (B), The fields are adjusted such that the beam is not deflected. The specific charge of the cathode rays is given by
  A)
  \[\frac{{{B}^{2}}}{2v{{E}^{2}}}\]                   
  done clear
  B)
  \[\frac{2v{{B}^{2}}}{{{E}^{2}}}\]
  done clear
  C)
  \[\frac{2v{{E}^{2}}}{{{B}^{2}}}\]                   
  done clear
  D)
  \[\frac{{{E}^{2}}}{2v{{B}^{2}}}\]
  done clear
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• question_answer43) If the rms velocity of a gas is \[\upsilon \], then
  A)
  \[{{v}^{2}}T=\]constant
  done clear
  B)
  \[{{v}^{2}}/T=\]constant
  done clear
  C)
  \[v{{T}^{2}}=\]constant
  done clear
  D)
  v is independent of T
  done clear
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• question_answer44) Solar radiation is
  A)
  transverse electromagnetic wave
  done clear
  B)
  longitudinal electromagnetic wave
  done clear
  C)
  stationary wave
  done clear
  D)
  None of the above
  done clear
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• question_answer45) The rest mass of a body is \[{{m}_{0}}\]. If it moves with a velocity of 0.6 c m/s, then its relativistic mass is m, then
  A)
  \[m<{{m}_{0}}\]                 
  done clear
  B)
  \[m={{m}_{0}}\]
  done clear
  C)
  \[m>{{m}_{0}}\]                 
  done clear
  D)
  None of these
  done clear
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• question_answer46) The susceptibility of a paramagnetic material is\[\chi \] at 27° C. At what temperature will its susceptibility be\[\frac{\chi }{2}\] ?
  A)
  327° C                                      
  done clear
  B)
  54° C
  done clear
  C)
  237°C                                       
  done clear
  D)
  1600°C
  done clear
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• question_answer47) 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 flats on the surface of the liquid. When a mass m is placed on the piston to compress the liquid, fractional change in the radius of the sphere \[\frac{\Delta R}{R}\] is
  A)
  \[\frac{mg}{3AR}\]                            
  done clear
  B)
  \[\frac{mg}{A}\]
  done clear
  C)
  \[\frac{mg}{3AK}\]                            
  done clear
  D)
  \[\frac{mg}{AK}\]
  done clear
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• question_answer48) The dimension \[{{(velocity)}^{2}}\div \] radius are the same of that of
  A)
  Planck's constant   
  done clear
  B)
  gravitational constant       
  done clear
  C)
  dielectric constant   
  done clear
  D)
  None of these             
  done clear
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• question_answer49) Angular width of central maxima in the   Fraunhofer's diffraction pattern is measured.     Slit is illuminated by the light of wavelength     6000\[\overset{\bullet }{\mathop{A}}\,\]. If slit is illuminated by light of another    wavelength, angular width decreases by 30%.     Wavelength of light used is                      
  A)
  3500\[\overset{\bullet }{\mathop{A}}\,\]             
  done clear
  B)
  4200 \[\overset{\bullet }{\mathop{A}}\,\]                
  done clear
  C)
  4700 \[\overset{\bullet }{\mathop{A}}\,\]           
  done clear
  D)
  6000 \[\overset{\bullet }{\mathop{A}}\,\]
  done clear
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• question_answer50) The ratio of the acceleration due to gravity as the bottom of a deep mine and that on the surface of the earth is 978/980. Find the depth of the mine, if the density of the earth is uniform throughout and the radius of the earth is 6300 km.
  A)
  12.86 km                
  done clear
  B)
  13.0 km
  done clear
  C)
  25.38 km                
  done clear
  D)
  90.9 km
  done clear
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• question_answer51) An ideal gas is heated at constant pressure and absorbs amount of heat Q. If the adiabatic exponent is \[\gamma \], then the fraction of heat absorbed m raising the internal energy and performing the work is
  A)
  \[1-\frac{1}{\gamma }\]                  
  done clear
  B)
  \[1+\frac{1}{\gamma }\]
  done clear
  C)
  \[1-\frac{2}{\gamma }\]                                  
  done clear
  D)
  \[1+\frac{2}{\gamma }\]
  done clear
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• question_answer52) Two identical strings of the same material, same diameter and same length are in unison, when stretched by the same tension. If the tension on one string is increased by 21%, the number of beats heard per second is 10. The frequency of the note in hertz, when the strings are in unison is
  A)
  210                                           
  done clear
  B)
  200
  done clear
  C)
  110                                           
  done clear
  D)
  100
  done clear
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• question_answer53) One face AC of the glass prism is silvered as shown and the principal section of a glass prism is an isosceles triangle ABC with AB = AC. The \[\angle BAC\], if the ray incident normally on the face AB and after two reflections, it energies from the base BC perpendicular to it, is
  A)
  70°                                            
  done clear
  B)
  36°
  done clear
  C)
  72°                                            
  done clear
  D)
  44°
  done clear
  View Answer play_arrow

• question_answer54) Capacitance of a capacitor becomes \[\frac{7}{6}\] times its original value, if a dielectric slab of thickness\[t=\frac{2}{3}d\] is introduced in between the plates d, is the separation between the plates. The dielectric constant of the dielectric slab is
  A)
  \[\frac{14}{11}\]                                 
  done clear
  B)
  \[\frac{11}{14}\]
  done clear
  C)
  \[\frac{7}{11}\]                                    
  done clear
  D)
  \[\frac{11}{7}\]
  done clear
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• question_answer55) An electrical meter of internal resistance 20\[\Omega \], gives a full scale deflection when one milliampere current flows through it. The maximum current, that can be measured by using three resistors of resistance 12\[\Omega \] each, in milliampere is
  A)
  10                                              
  done clear
  B)
  8
  done clear
  C)
  6                                                
  done clear
  D)
  4
  done clear
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• question_answer56) A body executing SHM has a maximum velocity of 1 \[m{{s}^{-1}}\]and a maximum acceleration of 4 \[m{{s}^{-2}}\]. Its amplitude in metre is
  A)
  1                                                
  done clear
  B)
  0.75
  done clear
  C)
  0.5                                            
  done clear
  D)
  0.25
  done clear
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• question_answer57) Two wires of same material and same diameter have lengths in the ratio 2:5. They are stretched by same force. The ratio of work done in stretching them is
  A)
  5: 2                                           
  done clear
  B)
  2:5
  done clear
  C)
  1 :3                                           
  done clear
  D)
  3:1
  done clear
  View Answer play_arrow

• question_answer58) A light wave and a sound wave have same frequency\[f\]and their wavelengths are respectively \[{{\lambda }_{L}}\]and \[{{\lambda }_{S}}\],then,
  A)
  \[{{\lambda }_{L}}={{\lambda }_{S}}\]                       
  done clear
  B)
  \[{{\lambda }_{L}}>{{\lambda }_{S}}\]
  done clear
  C)
  \[{{\lambda }_{L}}<{{\lambda }_{S}}\]                       
  done clear
  D)
  \[{{\lambda }_{L}}=2{{\lambda }_{S}}\]
  done clear
  View Answer play_arrow

• question_answer59) For the study of the helical structure of nucleic acids, the property of electromagnetic radiation generally used, is
  A)
  reflection               
  done clear
  B)
  interference
  done clear
  C)
  diffraction                             
  done clear
  D)
  polarization
  done clear
  View Answer play_arrow

• question_answer60) What is the voltage gain in a common emitter amplifier when input resistance is 3\[\Omega \] and the load resistance 24\[\Omega \] with \[\beta \] = 60.
  A)
  8.4                                            
  done clear
  B)
  4.8
  done clear
  C)
  2.4                                            
  done clear
  D)
  480
  done clear
  View Answer play_arrow

• question_answer61) Which of the compounds is soluble in cone. \[{{H}_{2}}S{{O}_{4}}\], decolourises \[B{{r}_{2}}\] in \[CC{{l}_{4}}\] and give a white precipitate with \[AgN{{O}_{3}}\]in \[N{{H}_{3}}\] but does not give a precipitate with \[AgN{{O}_{3}}\]in alcohol?
  A)
  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}CH=C{{H}_{2}}\]
  done clear
  B)
  \[C{{H}_{3}}CHCIC{{H}_{2}}CH=C{{H}_{2}}\]
  done clear
  C)
  \[C{{H}_{3}}C{{H}_{2}}C\equiv CH\]
  done clear
  D)
  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C\equiv C{{H}_{3}}\] 
  done clear
  View Answer play_arrow

• question_answer62) The increasing order of relative ease of protonation of the indicated nitrogen is
  A)
  \[1<2<3<4\]                          
  done clear
  B)
  \[4<3<2<1\]
  done clear
  C)
  \[3<2<4<1\]                          
  done clear
  D)
  \[1<4<2<3\]
  done clear
  View Answer play_arrow

• question_answer63) Select the best statement for the situation below
  A)
  This mixture given an optical rotation of zero
  done clear
  B)
  (A) will rotate plane polarised light in clockwise direction
  done clear
  C)
  (B)  will  rotate  plane  polarised  light  in anti-clockwise direction  
  done clear
  D)
  None of the above statement is true
  done clear
  View Answer play_arrow

• question_answer64) What is the IUPAC name of the following compound?
  A)
  1, 2 - dimethyl cydopropyl cyclohexane
  done clear
  B)
  1, 2 - dimethyl spiro [2, 5] octane
  done clear
  C)
   7, 8 - dimethyl spiro [5, 2] octane
  done clear
  D)
  1, 2- dimethyl bicyclo [5, 2] octane
  done clear
  View Answer play_arrow

• question_answer65) \[{{C}_{60}}\](bucky ball) is cubic closest packed (face centred cubic) in its crystalline form. If you insert potassium atoms into all the tetrahedral and octahedral holes of the \[{{C}_{60}}\]structure, the formula would become\[{{K}_{x}}{{C}_{60}}\]. What is the value of x?
  A)
  1                                                
  done clear
  B)
  2
  done clear
  C)
  3                                
  done clear
  D)
  None of these
  done clear
  View Answer play_arrow

• question_answer66) 1.0 g of a weak monobasic acid (HA) when dissolved in 150 mL water lowers the freezing point by 0.186° C. Also 1.0 g of the same acid required 125 mL of a 0.10N NaOH solution for complete neutralisation. Determine dissociation constant (\[{{k}_{a}}\]) of the weak acid. \[{{k}_{f}}\]of water is 1.86K kg \[mo{{l}^{-1}}\]
  A)
  \[4.16\times {{10}^{-3}}\]                               
  done clear
  B)
  \[2.38\times {{10}^{-6}}\]
  done clear
  C)
  \[6.43\times {{10}^{-3}}\]                               
  done clear
  D)
  \[3.78\times {{10}^{-6}}\]
  done clear
  View Answer play_arrow

• question_answer67) The standard electrode potentials of the electrodes \[C{{u}^{2+}}/Cu\] and \[A{{g}^{+}}/Ag\]are 0.337 and 0.799 V respectively. What would be the concentration of \[A{{g}^{+}}\]ion in solution containing 0.06 M \[C{{u}^{2}}^{+}\] ion such that both metals can be deposited together?
  A)
  \[0.37\times {{10}^{-6}}M\]           
  done clear
  B)
  \[0.37\times {{10}^{-8}}M\]
  done clear
  C)
  \[0.42\times {{10}^{-6}}M\]           
  done clear
  D)
  \[0.42\times {{10}^{-8}}M\]
  done clear
  View Answer play_arrow

• question_answer68) A solution containing equimolar amounts of \[NiC{{l}_{2}}\] and \[SnB{{r}_{2}}\] is electrolysed using a 9V battery and graphite electrodes. What are the first products formed?

  Half reaction	Standard reduction potential (V)
  \[N{{i}^{2+}}(aq)+2{{e}^{-}}\to Ni(s)\]	- 0.236
  \[S{{n}^{2+}}(aq)+2{{e}^{-}}\to Sn(s)\]	- 0.141
  \[B{{r}_{2}}(aq)+2{{e}^{-}}\to 2B{{r}^{-}}(aq)\]	1.077
  \[C{{l}_{2}}(aq)+2{{e}^{-}}\to 2C{{l}^{-}}(aq)\]	1.360

   
  A)
  Ni (s) at cathode, \[C{{l}_{2}}\](aq) at anode
  done clear
  B)
  Ni (s) at cathode, \[B{{r}_{2}}\] (aq) at anode
  done clear
  C)
  Sn (s) at cathode, \[B{{r}_{2}}\] (aq) at anode
  done clear
  D)
  Sn (s) at cathode, \[C{{l}_{2}}\] (aq) at anode
  done clear
  View Answer play_arrow

• question_answer69) What is the equation form of Langmuir adsorption isotherm under high pressure?
  A)
   \[\frac{x}{m}=\frac{a}{b}\]                           
  done clear
  B)
  \[\frac{x}{m}=ap\]
  done clear
  C)
  \[\frac{x}{m}=\frac{1}{ap}\]                          
  done clear
  D)
  \[\frac{x}{m}=\frac{b}{a}\]
  done clear
  View Answer play_arrow

• question_answer70) Which pair represents incorrect first IE?
  A)
  \[Be>B\]                
  done clear
  B)
  \[N>O\]
  done clear
  C)
   \[Li>Na\]                               
  done clear
  D)
  \[He>H{{e}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer71) If \[C{{O}_{2}}\]is passed into waste water containing \[CrO_{4}^{2-}\](yellow) then
  A)
  solution turns green due to formation of \[C{{r}^{3+}}\]
  done clear
  B)
  solution turns blue due to formation of \[Cr{{O}_{5}}\]
  done clear
  C)
  solution turns orange due to formation of \[C{{r}_{2}}O_{7}^{2-}\]
  done clear
  D)
  no effect takes place      
  done clear
  View Answer play_arrow

• question_answer72) In the following reaction, \[2{{H}_{2}}S+S{{O}_{2}}\to 2{{H}_{2}}O+3S\] 1mol each of \[S{{O}_{2}}\]and \[{{H}_{2}}S\]  will give sulphur
  A)
  1mol                                        
  done clear
  B)
  3mol
  done clear
  C)
  1.5mol                     
  done clear
  D)
  2mol
  done clear
  View Answer play_arrow

• question_answer73) \[{{H}_{2}}\] reacts much faster with \[C{{l}_{2}}\] than \[{{D}_{2}}\]because
  A)
  rate of diffusion of \[{{H}_{2}}\] is greater than \[{{D}_{2}}\]
  done clear
  B)
  \[{{H}_{2}}\] has lower energy of activation than \[{{D}_{2}}\]
  done clear
  C)
  Both (a) and (b) are correct .
  done clear
  D)
  None of the above is correct
  done clear
  View Answer play_arrow

• question_answer74) Litharge is chemically
  A)
  PbO                                          
  done clear
  B)
  \[Pb{{O}_{2}}\]
  done clear
  C)
  \[P{{b}_{3}}{{O}_{4}}\]                    
  done clear
  D)
  \[{{(C{{H}_{3}}COO)}_{2}}Pb\]
  done clear
  View Answer play_arrow

• question_answer75) \[N{{O}_{2}}\] is involved in the production of one of the most unpleasant of all chemicals present in photochemical smog. It is known as
  A)
  methanal               
  done clear
  B)
  acrylonitrile
  done clear
  C)
  peroxyacetyl nitrate         
  done clear
  D)
  None of these
  done clear
  View Answer play_arrow

• question_answer76) The number of moles of \[KMn{{O}_{4}}\]that will be needed to react completely with one mole of ferrous oxalate in acidic solution is
  A)
  \[\frac{2}{5}\]                                      
  done clear
  B)
  \[\frac{3}{5}\]
  done clear
  C)
   \[\frac{4}{5}\]                                     
  done clear
  D)
  1
  done clear
  View Answer play_arrow

• question_answer77) \[(n-1){{d}^{10}}n{{s}^{2}}\]is  the  general  electronic configuration of
  A)
  Fe, Co, Ni               
  done clear
  B)
  Cu. Ag, Au
  done clear
  C)
   Zn, Cd, Hg                             
  done clear
  D)
  Se, Y, La
  done clear
  View Answer play_arrow

• question_answer78) Which species has the maximum numbers of lone pair of electrons on the central atom?
  A)
  \[ClO_{3}^{-}\]                                    
  done clear
  B)
  \[Xe{{F}_{4}}\]
  done clear
  C)
  \[S{{F}_{4}}\]                                       
  done clear
  D)
  \[l_{3}^{-}\]
  done clear
  View Answer play_arrow

• question_answer79) For \[{{H}_{3}}P{{O}_{3}}\] and \[{{H}_{3}}PO\], the correct choice is
  A)
  \[{{H}_{3}}P{{O}_{3}}\] is dibasic and reducing    
  done clear
  B)
  \[{{H}_{3}}P{{O}_{3}}\] is dibasic and non-reducing                  
  done clear
  C)
  \[{{H}_{3}}P{{O}_{4}}\]is tribasic and reducing                       
  done clear
  D)
  \[{{H}_{3}}P{{O}_{3}}\]is tribasic and non-reducing                 
  done clear
  View Answer play_arrow

• question_answer80) In the commercial electrochemical process for     aluminium extraction, the electrolyte used is
  A)
  Al \[{{(OH)}_{3}}\]in \[NaOH\]solution
  done clear
  B)
  an aqueous solution of \[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]
  done clear
  C)
  a molten mixture of \[A{{l}_{2}}{{O}_{3}}\]and \[N{{a}_{3}}Al{{F}_{6}}\]
  done clear
  D)
  a motion mixture of \[A{{l}_{2}}{{O}_{3}}\]and \[Al{{(OH)}_{3}}\]    
  done clear
  View Answer play_arrow

• question_answer81) The \[p{{K}_{a}}\]of phenol is 9.2. Predict which of the      following \[p{{K}_{a}}\] values given below is most      consistent for the \[p{{K}_{a}}\] of para- hydroxy benzaldehyde?
  A)
  10.4                  
  done clear
  B)
  8.6
  done clear
  C)
  4:8
  done clear
  D)
  Insufficient information
  done clear
  View Answer play_arrow

• question_answer82) Arrange the following in increasing order of their heat of hydrogenation (\[-\Delta H\]).
  A)
  I < II < III < IV                        
  done clear
  B)
  IV < III < II < I
  done clear
  C)
  IV < III < I < II                        
  done clear
  D)
  I < II < IV < III
  done clear
  View Answer play_arrow

• question_answer83) If an amine is added to a solution containing a carboxylic acid and phenol, which of the following will occur?
  A)
  Both acid and phenol will be converted to their corresponding conjugate base
  done clear
  B)
  Phenol will react more quickly than carboxylic acid
  done clear
  C)
  The carboxylic acid will react more quickly than phenol
  done clear
  D)
  Both will react at roughly equal rate
  done clear
  View Answer play_arrow

• question_answer84) Which of the following compound is the best starting material for reaction
  A)
  
  done clear
  B)
  
  done clear
  C)
                                   
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer85) 3-phenyi-2-propanol could be prepared from which of the following reaction?
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer86) Which of the following reagents can convert cyclohexanone to N-ethylcyclohexyl amine as shown below?
  A)
  \[C{{H}_{3}}C{{H}_{2}}N{{H}_{2}}\]and\[{{H}_{2}}/Pt\]
  done clear
  B)
  \[LiAl{{H}_{s}}\]followed by \[{{H}_{2}}O\] and then \[C{{H}_{3}}C{{H}_{2}}Br\]
  done clear
  C)
  \[C{{H}_{3}}C{{H}_{2}}Br\]and\[N{{H}_{3}}\]
  done clear
  D)
  \[C{{H}_{3}}CHO\]and \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer87) A person, with body temperature of 310 K, was sliding with considerable friction, down a mountain whose temperature was 277K. Which of the following sets of signs of entropy change is correct? \[\Delta S\](system) \[\Delta S\](surroundings) \[\Delta S\](total)
  A)
   +            +                    +
  done clear
  B)
  +           +               can't be predicted
  done clear
  C)
  +            -                     +
  done clear
  D)
   -           +                     +
  done clear
  View Answer play_arrow

• question_answer88) Which molecule will have the smallest F?X?F bond angle?
  A)
  \[O{{F}_{2}}\]                                      
  done clear
  B)
  \[N{{F}_{3}}\]
  done clear
  C)
  \[B{{F}_{3}}\]                                       
  done clear
  D)
  \[C{{F}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer89) The equilibrium constant for the isomerisation of butane at25° C is \[{{K}_{c}}\]= 8 Butane \[\to \] Isobutane If 5.8 g butane is introduced into a 12.5 L vessel at 25° C. What mass of isobutane will be present at equilibrium?
  A)
  5.15g                                        
  done clear
  B)
  2.56g
  done clear
  C)
  7.49g                                        
  done clear
  D)
   5.80g
  done clear
  View Answer play_arrow

• question_answer90) Determine the pH of a 0.05 M aqueous solution of ammonium sulphate, \[{{k}_{b}}\]of ammonia is\[2\times {{10}^{-5}}\]?
  A)
  4.30                                          
  done clear
  B)
  5.15
  done clear
  C)
  7.0                                            
  done clear
  D)
  8.75
  done clear
  View Answer play_arrow

• question_answer91) Pyrite, \[Fe{{S}_{2}}\] crystallises in a cubic unit cell with a cell edge of 0.540 nm. The density of pyrite is 5.02\[g/c{{m}^{2}}\]. How many \[F{{e}^{2+}}\]and \[S_{2}^{2-}\] ions are present in a single unit cell? \[(S=32,Fe=56u)\]
  A)
  \[1F{{e}^{2+}}\] and \[1S_{2}^{2-}\]
  done clear
  B)
  \[2F{{e}^{2+}}\]and \[2S_{2}^{2-}\]
  done clear
  C)
   \[4F{{e}^{2+}}\]and \[4S_{2}^{2-}\]
  done clear
  D)
  \[6F{{e}^{2+}}\]and \[6S_{2}^{2-}\]
  done clear
  View Answer play_arrow

• question_answer92) If the energy of a photon is plotted on the vertical axis versus the reciprocal of the wavelength (\[1/\lambda \]) on the horizontal axis, the result would be
  A)
   a curve representing an inverse parabola (hyperbola)
  done clear
  B)
  a straight line with a slope equal to \[hc\]
  done clear
  C)
  a straight line with a slope equal to h
  done clear
  D)
  a curve similar to a sine wave
  done clear
  View Answer play_arrow

• question_answer93) Sulphur trioxide acts as
  A)
  an electrophile                    
  done clear
  B)
  a nucleophile
  done clear
  C)
  a free radical        
  done clear
  D)
  All of these
  done clear
  View Answer play_arrow

• question_answer94) Which of the following refers to particularly stable arrangements of amino acid residues in a protein that give rise to recurring patterns?
  A)
  Primary structure
  done clear
  B)
  Secondary structure
  done clear
  C)
  Tertiary structure
  done clear
  D)
  Quaternary structure
  done clear
  View Answer play_arrow

• question_answer95) Regenerated cellulose is
  A)
  nylon                                       
  done clear
  B)
  polyester
  done clear
  C)
  rayon                                       
  done clear
  D)
  Teflon
  done clear
  View Answer play_arrow

• question_answer96) In terms of the "Collisions Theory of Chemical Kinetics", the rate of a chemical reaction is proportional to
  A)
  the change in free energy per second
  done clear
  B)
  the change in temperature per second
  done clear
  C)
  the number of collisions per second
  done clear
  D)
  the number of product molecules
  done clear
  View Answer play_arrow

• question_answer97) 200 mL of \[{{N}_{2}}\] at 25° C and 250 mm of Hg are mixed with 350 mL of \[{{O}_{2}}\]at 25° C and 300 mm of \[Hg\] in a vessel of capacity 300\[mL\]. Calculate the final pressure of mixture at 25° C.
  A)
  326.0 mm Hg       
  done clear
  B)
  516.67 mm of Hg
  done clear
  C)
  445.8 mm Hg        
  done clear
  D)
  608.0 mm of Hg
  done clear
  View Answer play_arrow

• question_answer98) In qualitative analysis \[N{{H}_{4}}Cl\]is added before \[N{{H}_{4}}OH\]
  A)
   to decrease \[O{{H}^{-}}\]concentration
  done clear
  B)
  to increase \[O{{H}^{-}}\]concentration
  done clear
  C)
  for making HCI
  done clear
  D)
  statement is wrong
  done clear
  View Answer play_arrow

• question_answer99) The IUPAC name of \[{{K}_{3}}[Ir{{({{C}_{2}}{{O}_{4}})}_{3}}]\]is
  A)
  potassium trioxalato indium (III)
  done clear
  B)
  potassium trioxalato iridate III
  done clear
  C)
   potassium tris (oxalato) indium III
  done clear
  D)
  potassium tris (oxalato) iridate III
  done clear
  View Answer play_arrow

• question_answer100) The decreasing order \[I{{E}_{2}}\]of \[K,Cr\]and Ba is
  A)
  K > Ca > Ba      
  done clear
  B)
  Ca > Ba > K
  done clear
  C)
  Ba > K >Ca             
  done clear
  D)
            K > Ba > Ca
  done clear
  View Answer play_arrow

• question_answer101) Henry's law constant for the molality of methane in benzene at 298 K is \[4.27\times {{10}^{5}}\]mm Hg. Calculate the solubility of methane in benzene at 298 K under 760 mm Hg.
  A)
  \[1.78\times {{10}^{-4}}\]                               
  done clear
  B)
  \[1.78\times {{10}^{-5}}\]
  done clear
  C)
  \[1.78\times {{10}^{-4}}\]                               
  done clear
  D)
  \[1.78\times {{10}^{-6}}\]
  done clear
  View Answer play_arrow

• question_answer102) Which of the following reactions is used to make a fuel cell?
  A)
  \[2{{H}_{2}}(g)+{{O}_{2}}(g)\to 2{{H}_{2}}O(l)\]
  done clear
  B)
  \[2Fe(s)+{{O}_{2}}(g)+4{{H}^{+}}(aq)\to \]  \[2F{{e}^{2+}}(aq)+2{{H}_{2}}O(l)\]
  done clear
  C)
  \[Pb(s)+Pb{{O}_{2}}(s)+2{{H}_{2}}S{{O}_{4}}(aq)\to \] \[2PbS{{O}_{4}}(s)+{{H}_{2}}O(l)\]
  done clear
  D)
  \[Cd(s)+2Ni{{(OH)}_{3}}(s)\to \]       \[CdO(s)+2Ni{{(OH)}_{2}}+2{{H}_{2}}O(l)\]
  done clear
  View Answer play_arrow

• question_answer103) The rate of a gaseous reaction is equal to\[k[A][B]\]. The volume of the reaction vessel containing these gases is reduced by one-fourth of the initial volume. The rate of the reaction would be
  A)
  \[\frac{1}{16}\]                                    
  done clear
  B)
  \[\frac{16}{1}\]
  done clear
  C)
  \[\frac{1}{8}\]                                      
  done clear
  D)
  \[\frac{8}{1}\] Rate (r) = k [A] [B] = kab When volume is reduced by one fourth the concentration becomes 4 times. Hence, \[r'=k(4a)(4b)=16\,kab\] \[\therefore \] \[r'16\,r\]
  done clear
  View Answer play_arrow

• question_answer104) Hardy-SchuIze law states that
  A)
  higher the charge of the coagulating ions, greater its coagulating power, having opposite sign of solution
  done clear
  B)
  solution must have zero gold number
  done clear
  C)
  disperse phase and dispersion medium must be of the same sign
  done clear
  D)
  micelles coagulate in the presence of surfactants
  done clear
  View Answer play_arrow

• question_answer105) The following is a graph plotted between the vapour pressure of two volatile liquids against their respective mode fractions. Which of the following statement is/are correct?
  A)
   When \[{{\chi }_{A}}=1\] and\[{{\chi }_{B}}=0,\] then \[p=p_{A}^{\circ }\]
  done clear
  B)
  When  \[{{\chi }_{B}}=1\] and\[{{\chi }_{A}}=0,\] then \[p=p_{B}^{\circ }\]
  done clear
  C)
  When \[{{\chi }_{A}}=1\]and\[{{\chi }_{B}}=0,\] then \[p<p_{B}^{\circ }\]
  done clear
  D)
  When \[{{\chi }_{B}}=1\] and\[{{\chi }_{A}}=0,\] then \[p>p_{A}^{\circ }\]
  done clear
  View Answer play_arrow

• question_answer106) The correct order of solubility in water for \[He,Ne,Ar,Kr,Xe\]is
  A)
  \[Xe>Kr>Ar>Ne>He\]
  done clear
  B)
  \[Ar>Ne>He>Kr>Xe\]
  done clear
  C)
  \[He>Ne>Ar>Kr>Xe\]
  done clear
  D)
  \[Ne>Ar>Kr>He>Xe\]
  done clear
  View Answer play_arrow

• question_answer107) Which oxide of manganese is amphoteric?
  A)
  \[MnO\]                 
  done clear
  B)
  \[Mn{{O}_{2}}\]
  done clear
  C)
  \[M{{n}_{2}}{{O}_{7}}\]                   
  done clear
  D)
  \[M{{n}_{2}}{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer108) The bad smelling substance formed by the reaction of chloroform with methyl amine and alcoholic KOH will be
  A)
  methyl amine      
  done clear
  B)
  methyl alcohol
  done clear
  C)
  methyl cyanide                   
  done clear
  D)
  methyl isocyanides
  done clear
  View Answer play_arrow

• question_answer109) A convenient reagent for the conversion of bromobenzene into benzonitrile is
  A)
  alc. KCN alone     
  done clear
  B)
  KCN and pyridine
  done clear
  C)
  silver cyanide      
  done clear
  D)
  CuCN and pyridine
  done clear
  View Answer play_arrow

• question_answer110) The rate constant of the chemical reaction doubled for an increase of 10 K in absolute temperature from 295 K. Calculate\[{{E}_{a}}\].
  A)
  \[51.8\,kJ\,mo{{l}^{-1}}\]                
  done clear
  B)
  \[82.1\,kJ\,mo{{l}^{-1}}\]
  done clear
  C)
  \[23.8\,kJ\,mo{{l}^{-1}}\]
  done clear
  D)
  \[62.1\,kJ\,mo{{l}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer111) On Friedel-Crafts acetylation, anisole yields
  A)
  2-methoxyacetophenone
  done clear
  B)
  4-methoxyacetophenone
  done clear
  C)
  Both (a) and (b)
  done clear
  D)
  None of the above
  done clear
  View Answer play_arrow

• question_answer112) In the Rosenmund's reaction,                                                                      Here                                                                                                      
  A)
  promotes catalytic activity of Pd
  done clear
  B)
  removes the HCl formed in the reaction
  done clear
  C)
  deactivates palladium
  done clear
  D)
  activates palladium
  done clear
  View Answer play_arrow

• question_answer113) Which of the following compounds will undergo carbylamine reaction?
  A)
  
  done clear
  B)
  
  done clear
  C)
                    
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer114) In the following reaction, X is Tribromo benzene
  A)
  benzoic acid          
  done clear
  B)
  salicylic acid
  done clear
  C)
  phenol                    
  done clear
  D)
  aniline
  done clear
  View Answer play_arrow

• question_answer115) One of the most known antiseptic, Dettol is a mixture  of terpineol and
  A)
  bithional                 
  done clear
  B)
  chloroxylenol
  done clear
  C)
  o-cresol                  
  done clear
  D)
  serotonin
  done clear
  View Answer play_arrow

• question_answer116) The enthalpies of the elements in their standard states are assumed to be
  A)
  zero at 298 K
  done clear
  B)
  unit at 298 K
  done clear
  C)
  zero at all temperatures
  done clear
  D)
  zero at 273 K
  done clear
  View Answer play_arrow

• question_answer117) Chlorophyll present in green leaves of plants absorbs light at                                                                                               Which part of the electromagnetic spectrum does it belong to?
  A)
  UV                                            
  done clear
  B)
  IB
  done clear
  C)
  Far lR                                       
  done clear
  D)
  Visible
  done clear
  View Answer play_arrow

• question_answer118) In the ground state of  the number of shell occupied, sub-shells occupied, filled orbitals and unpaired electrons respectively are
  A)
  4, 8, 15, 0                
  done clear
  B)
  3, 6, 15, 1
  done clear
  C)
  3, 6, 14, 0                
  done clear
  D)
  4, 7, 14, 2
  done clear
  View Answer play_arrow

• question_answer119) Following properties will decrease with increase in temperature except
  A)
  surface tension
  done clear
  B)
  viscosity
  done clear
  C)
  density
  done clear
  D)
  vapour pressure
  done clear
  View Answer play_arrow

• question_answer120) What will be the molar volume of nitrogen and argon at 273.15 K and 1 atm?
  A)
  11.2, 22.4 respectively                       
  done clear
  B)
  22.4, 22.4 respectively
  done clear
  C)
  11.2, 11.2 respectively
  done clear
  D)
  22.4, 11.2 respectively
  done clear
  View Answer play_arrow

• question_answer121) On the basis of given four characteristic feature, how can you differentiate the mammal from other vertebrates?
  A)
  Presence of diaphragm
  done clear
  B)
  Four chambered heart
  done clear
  C)
  Rib cage
  done clear
  D)
  Homeothormy
  done clear
  View Answer play_arrow

• question_answer122) Brunner gland present in major site of absorption, secrets
  A)
  mucus and bicarbonates
  done clear
  B)
  estradion and secretin
  done clear
  C)
  choiecystokinin and secretin
  done clear
  D)
  Both (a) and (c)
  done clear
  View Answer play_arrow

• question_answer123) What will be the effect of increased concentration of \[C{{O}_{2}}\]  in blood on normal breathing?
  A)
  Remain unaffected
  done clear
  B)
  Slow and shallower
  done clear
  C)
  Deep breathing and rapidly
  done clear
  D)
  Deep breathing and normally
  done clear
  View Answer play_arrow

• question_answer124) Radiation therapy can easily damage cells of malignant cancer in comparison to normal cells, this is due to
  A)
  different in structure and shape
  done clear
  B)
  undergoing rapid cell division
  done clear
  C)
  proper control over reproduction of cells
  done clear
  D)
  starved of mutation
  done clear
  View Answer play_arrow

• question_answer125) Which one demographic feature, characteristic describe/define best our country?
  A)
  High mortality rate, high density, population growth is uneven and very old age distribution
  done clear
  B)
  High mortality of infants, low fertility, uneven population growth and a very young age distribution
  done clear
  C)
  High fertility, low mortality rate, rapid population growth and a very young age distribution
  done clear
  D)
  High fertility, high density, rapidly rising mortality rate and a very young age distribution
  done clear
  View Answer play_arrow

• question_answer126) Enzyme ATPase is required for muscle contraction. The location of that enzyme is
  A)
  actin   
  done clear
  B)
                  troponin
  done clear
  C)
  actinin Phlebotomus
  done clear
  D)
  myosin
  done clear
  View Answer play_arrow

• question_answer127) Match the causing agent/vector of column A with diseases spread/transmit by them in column B.

  Column A	Column B
  (A) Culex pipiens	(1) Kala-azar
  (B) Aedes aegypti	(2) Sleeping sickness
  (C) Glossina palpalis	(3) Yellow fever
  (D) Phebotomus	(4) Elephantitis

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

• question_answer128) Which one remain unaffected, if vagus nerve is injured in human?
  A)
  Gastrointestinal movements
  done clear
  B)
  Tongue movements
  done clear
  C)
  Cardiac movements
  done clear
  D)
  Pancreatic activities
  done clear
  View Answer play_arrow

• question_answer129) Which one of the following hormone is not secreted by human chorionic placenta?
  A)
  Progesterone/Pregnancy hormone
  done clear
  B)
  Estrogen and hPL
  done clear
  C)
  PRL/LTH
  done clear
  D)
  hCG
  done clear
  View Answer play_arrow

• question_answer130) DNA fingerprinting refer to
  A)
  techniques used for identification of fingerprints of individuals
  done clear
  B)
  techniques used for molecular analylis of different specimens of DNA
  done clear
  C)
  analysis of DNA samples using imprinting device
  done clear
  D)
  molecular analysis of profiles of DNA samples
  done clear
  View Answer play_arrow

• question_answer131) Match    correctly    the     class     of phylum?Arthropod with their diagnostic trait of column I and column II respectively. Then option correct answer from codes mentioned below  

  Column I	Column II
  (A) Hexapoda	(1) Body is divided into head and trunk
  (B) Myriapoda	(2) Body is divided into head, thorax and abdomen
  (C) Crustacea	(3) Body is divided prosoma, mesosoma and metasoma
  (D) Arachnida	(4) Head and thorax fuses to Form cephalothorax covered by chitinous shield called carapace

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

• question_answer132) Which one of the following pair of soil and its specific characteristic is incorrectly matched?
  A)
  Terra rossa - most suitable for rose cultivation
  done clear
  B)
  Chernozems - richest soil on the planet
  done clear
  C)
  Black soil - rich in calcium carbonate
  done clear
  D)
  Laterite - contain aluminum compounds
  done clear
  View Answer play_arrow

• question_answer133) Recently Indian Government has given permission to mix alcohol in fossil fuel-petrol, which is called as gasohol. What amount of alcohol has been permitted to mix?
  A)
  10-15%                                    
  done clear
  B)
  5-10%
  done clear
  C)
  5%                                            
  done clear
  D)
  10%
  done clear
  View Answer play_arrow

• question_answer134) What will be the correct sequence of four zone in a longitudinal section of root, starting from the tip upward?
  A)
  Root cap-Cell division-Cell maturation-Cell enlargement
  done clear
  B)
  Root cap-Cell division-Cell enlargement-Cell maturation
  done clear
  C)
  Cell division-Cell maturation-Cell enlargement-Root cap
  done clear
  D)
  Cell division-Cell enlargement-Cell maturation-Root cap
  done clear
  View Answer play_arrow

• question_answer135) An ecosystem which can be easily ruined/damaged but can recover after some time if damaging effect stops. The ecosystem is characterised by having
  A)
  low and poor stability with low resilience
  done clear
  B)
  high stability and low resilience
  done clear
  C)
  low stability and high resilience           
  done clear
  D)
  high stability and high resilience
  done clear
  View Answer play_arrow

• question_answer136) Organelle inheritance is a consequence of presence of gene in
  A)
  lysosomes and ribosomes                 
  done clear
  B)
  chloroplast and ribosomes
  done clear
  C)
  mitochondria and ER
  done clear
  D)
  chloroplast and mitochondria
  done clear
  View Answer play_arrow

• question_answer137) Virus that infect a bacteria, multiply and cause their lysis, are termed as
  A)
  lytic                                          
  done clear
  B)
  lysogenic
  done clear
  C)
  lipolytic                   
  done clear
  D)
  lysozymes              
  done clear
  View Answer play_arrow

• question_answer138) Go thoroughly the following statements regarding retroviruses. Which one is not correct?
  A)
  The genetic material in mature retroviruses is RNA
  done clear
  B)
  These viruses carry gene for RNA dependent DNA polymerase
  done clear
  C)
  They are causative agents for certain kinds of cancer in human
  done clear
  D)
  DNA is not found in any stage in the life cycle of retroviruses
  done clear
  View Answer play_arrow

• question_answer139) In green plants, cell elongation in the internodal region can be promoted by the application of
  A)
  ethylene                
  done clear
  B)
  cytokinins
  done clear
  C)
  gibberellins          
  done clear
  D)
  indole acetic acid
  done clear
  View Answer play_arrow

• question_answer140) Which one is most abundantly found in plants?
  A)
  Nitrogen                
  done clear
  B)
  Carbon
  done clear
  C)
  Iron                                          
  done clear
  D)
  Manganese
  done clear
  View Answer play_arrow

• question_answer141) Which one is correct regarding somatic cell cycle?
  A)
  \[{{G}_{2}}\]-phase follows mitotic phase
  done clear
  B)
  In \[{{G}_{1}}\]-phase DNA content is double the amount of DNA present in original cell
  done clear
  C)
  DNA replication occur in S-phase
  done clear
  D)
  A short phase is followed by a long mitotic phase
  done clear
  View Answer play_arrow

• question_answer142) The basis of phenetic classification is
  A)
  sexual characteristic
  done clear
  B)
  dendrogram based on DNA characteristic
  done clear
  C)
  ancestral lineage of existing organisms
  done clear
  D)
  observable characteristic of existing organisms
  done clear
  View Answer play_arrow

• question_answer143) When a diploid female plant is crossed with a tetraploid male, what will be the pIoidy of endosperm cells in resulting seed?
  A)
  Tetraploidy           
  done clear
  B)
  Hexaploidy
  done clear
  C)
  Triploidy                 
  done clear
  D)
  Pentaploidy
  done clear
  View Answer play_arrow

• question_answer144) The most likely reason for the development of resistance against pesticides in insect damaging a crop is
  A)
  genetic re combinations
  done clear
  B)
  random mutations
  done clear
  C)
  acquired heritable change
  done clear
  D)
  directed mutations
  done clear
  View Answer play_arrow

• question_answer145) Which one statement define correctly oogamy process in lower group of plants?
  A)
  Fusion of large motile egg and a small non motile sperm
  done clear
  B)
  Fusion of a large non-motile female gamete and a small non-motile male gamete
  done clear
  C)
  Fusion of large non-motile egg with a small motile sperm
  done clear
  D)
  Fusion of small non-motile female gamete with a large motile male gamete
  done clear
  View Answer play_arrow

• question_answer146) After a mutation at a genetic locus, the character of an organism changes due to changes in
  A)
  RNA transcription               
  done clear
  B)
  protein synthesis
  done clear
  C)
  DNA replication                   
  done clear
  D)
  protein structure
  done clear
  View Answer play_arrow

• question_answer147) Photo synthetically least efficient radiation is
  A)
  blue                                         
  done clear
  B)
  yellow
  done clear
  C)
  green                                      
  done clear
  D)
  red
  done clear
  View Answer play_arrow

• question_answer148) Law of limiting factor was proposed by
  A)
  Robert Hill             
  done clear
  B)
  Kelvin
  done clear
  C)
  Blackman               
  done clear
  D)
  Arnon
  done clear
  View Answer play_arrow

• question_answer149) Radioactive \[{{C}^{14}}\]is given to \[C{{O}_{2}}\]and released to atmosphere. This \[C{{O}_{2}}\]is taken by ribellous diphosphate in a \[{{C}_{3}}\]plant. First radioactive \[{{C}^{14}}\]is seen in which compound?
  A)
  PGAL                                       
  done clear
  B)
  PEP
  done clear
  C)
  RMP                                         
  done clear
  D)
  PGA
  done clear
  View Answer play_arrow

• question_answer150) The first fungicide discovered by Millardet, can be prepared by mixing the \[CuS{{O}_{4}}\]with
  A)
  sodium chloride
  done clear
  B)
  milk of calcium hydroxide
  done clear
  C)
  calcium sulphate
  done clear
  D)
  lime stone
  done clear
  View Answer play_arrow

• question_answer151) Which is false regarding EMP pathways?
  A)
  End product is \[C{{O}_{2}}\]and \[{{H}_{2}}O\]
  done clear
  B)
  Substrate level phosphorylation
  done clear
  C)
  Production of ATP
  done clear
  D)
  Expenditure of ATP
  done clear
  View Answer play_arrow

• question_answer152) A typical disacchride, maltose is composed of
  A)
  \[\beta \]-glucose and \[\beta \]-galactose
  done clear
  B)
  \[\alpha \]-glucose and \[\alpha \]-fructose
  done clear
  C)
  \[\alpha \]-sucrose and \[\beta \]-glucose
  done clear
  D)
  two units of similar glucose
  done clear
  View Answer play_arrow

• question_answer153) Which is used as weedicide?
  A)
  IAA              
  done clear
  B)
  IBA
  done clear
  C)
  ABA             
  done clear
  D)
  2, 4-D
  done clear
  View Answer play_arrow

• question_answer154) The mechanism of ATP formation both in mitochondria and chloroplast is best explained by
  A)
  Relay pump theory of Godlewski
  done clear
  B)
  Cholondy - Went's model
  done clear
  C)
  Cheimoosmotic theory
  done clear
  D)
  (d) Munch's mass flow hypothesis
  done clear
  View Answer play_arrow

• question_answer155) Which of the following characteristic represent family-Asteraceae?
  A)
  Superior ovary, syngenesious, single basal ovule
  done clear
  B)
  Inferior ovary, monoadelphous, basal placentation
  done clear
  C)
  Inferior ovary, syngenesious, axile placentation
  done clear
  D)
  Syngenesious, basal placentation and epigenous
  done clear
  View Answer play_arrow

• question_answer156) Match entities of List I with List II

  List I	List II
  (A) Bulliform	(1) Stomata
  (B) Guard cells	(2) Aerating pore
  (C) Lenticel	(3) Accessory cells
  (D) Subsidiary	(4) Isobilateral leaf

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

• question_answer157) The spiracles found in cockroach are
  A)
  two pair in thorax and hundred pairs in abdomen
  done clear
  B)
  two pair in thorax and six pair in abdomen
  done clear
  C)
  two pair in thorax and eight pair in abdomen
  done clear
  D)
  two pair in thorax and four pair in abdomen
  done clear
  View Answer play_arrow

• question_answer158) 38.          Arbor vitae is a part of
  A)
  cerebrum              
  done clear
  B)
  cerebellum
  done clear
  C)
  midbrain                
  done clear
  D)
  forebrain
  done clear
  View Answer play_arrow

• question_answer159) Corpus callosum connects
  A)
  two cerebral hemispheres
  done clear
  B)
  two ventricles of brain                  
  done clear
  C)
  two cerebellar hemispheres
  done clear
  D)
  two optic thalamus
  done clear
  View Answer play_arrow

• question_answer160) Which of the following is not syncytial?
  A)
  Cardiac muscles                  
  done clear
  B)
  Skeletal muscle
  done clear
  C)
  Smooth muscle                   
  done clear
  D)
  Interstitial muscle
  done clear
  View Answer play_arrow

• question_answer161) The diagrammatic representation of the chromosomes of an individual is called
  A)
  idiogram                 
  done clear
  B)
  karyotype
  done clear
  C)
  phenotype            
  done clear
  D)
  deploidy
  done clear
  View Answer play_arrow

• question_answer162) Right aortic arch is present in
  A)
  reptiles only
  done clear
  B)
  mammals only
  done clear
  C)
  birds only
  done clear
  D)
  Both (b) and (c)
  done clear
  View Answer play_arrow

• question_answer163) Pacinian corpuscles are abundantly found in
  A)
  skin                                          
  done clear
  B)
  blood
  done clear
  C)
  tissue                                      
  done clear
  D)
  kidney
  done clear
  View Answer play_arrow

• question_answer164) Mammary   glands   of  mammals   are modified/modification of
  A)
  sebaceous gland                 
  done clear
  B)
  mucous gland
  done clear
  C)
  sweat gland          
  done clear
  D)
  None of these
  done clear
  View Answer play_arrow

• question_answer165) Theory of germplasm was given by
  A)
  Weismann             
  done clear
  B)
  Darwin
  done clear
  C)
  Lamarck                                  
  done clear
  D)
  Haeckel
  done clear
  View Answer play_arrow

• question_answer166) Conglobate gland is found in
  A)
  female cockroach
  done clear
  B)
  male cockroach
  done clear
  C)
  Anopheles mosquito
  done clear
  D)
  Culex mosquito
  done clear
  View Answer play_arrow

• question_answer167) Number of meiotic division required to produce 100 microspore in angiosperm egg is
  A)
  125                                           
  done clear
  B)
  50
  done clear
  C)
  100                                           
  done clear
  D)
  25
  done clear
  View Answer play_arrow

• question_answer168) Plants of Galapagos islands resembles most closely to the plants of
  A)
  Asia                                          
  done clear
  B)
  Australia
  done clear
  C)
  North America                     
  done clear
  D)
  South America
  done clear
  View Answer play_arrow

• question_answer169) The peak concentration ozone above surface of the earth is at
  A)
  23 km
  done clear
  B)
                         13km
  done clear
  C)
  15km                                       
  done clear
  D)
  30km
  done clear
  View Answer play_arrow

• question_answer170) The amount of living matter present in an ecosystem at a given time is called
  A)
  biomass                  
  done clear
  B)
  standing crop
  done clear
  C)
  standing state                      
  done clear
  D)
  productivity
  done clear
  View Answer play_arrow

• question_answer171) Chi-square test is
  A)
  calculated on percentage
  done clear
  B)
  calculated on frequency
  done clear
  C)
  Both (a) and (b)  
  done clear
  D)
  calculated on original data
  done clear
  View Answer play_arrow

• question_answer172) Polyploidy leads to rapid formation of new species because of
  A)
  isolation
  done clear
  B)
  development of multiple set of chromosomes
  done clear
  C)
  mutation
  done clear
  D)
  gene recombination
  done clear
  View Answer play_arrow

• question_answer173) A test cross (cross between \[{{F}_{1}}\]hybrid progeny and parents either male (dominant) or female recessive) is performed to distinguish between
  A)
  two homozygous forms
  done clear
  B)
  two heterozygous forms
  done clear
  C)
  a homozygous dominant and a heterozygous recessive form
  done clear
  D)
  a homozygous recessive and heterozygous dominant form
  done clear
  View Answer play_arrow

• question_answer174) Timber yielding plant Shorea robusta belong to the family
  A)
  Fabaceae               
  done clear
  B)
  Rubiaceae
  done clear
  C)
   Verbenaceae                      
  done clear
  D)
  Dipterocarpaceae
  done clear
  View Answer play_arrow

• question_answer175) Cocaine an alkaloid is obtained from the leaves of
  A)
  Erythroxylon coca              
  done clear
  B)
  Digitalis purpurea
  done clear
  C)
  Papaver somniferum        
  done clear
  D)
  Ephedra species
  done clear
  View Answer play_arrow

• question_answer176) Which of the two parts of Periplanata appear similar in structure fundamentally?
  A)
  Legs and maxillae
  done clear
  B)
  Mandibles and antennae
  done clear
  C)
  Anal cerci and wings 
  done clear
  D)
  Labrum and anal styees     
  done clear
  View Answer play_arrow

• question_answer177) Which one connect cerebral hemispheres of Rattus rattus internally?
  A)
  Corpus cardiacum  
  done clear
  B)
  Corpus callosum
  done clear
  C)
  Corpus allatum     
  done clear
  D)
  Corpus striatum
  done clear
  View Answer play_arrow

• question_answer178) A cup like cavity located on the each side of pectoral girdle of frog is
  A)
  thoracic cavity                      
  done clear
  B)
  acetabulum
  done clear
  C)
  glenoid cavity                       
  done clear
  D)
  sigmoid arc
  done clear
  View Answer play_arrow

• question_answer179) An egg cell has 5 picogram of genetic material in its nucleus. How much amount of this material will be in the organism at the end of \[{{G}_{2}}\]-phase mitosis?
  A)
  5gm                                          
  done clear
  B)
  5 picogram
  done clear
  C)
  10 picogram          
  done clear
  D)
  20 picogram
  done clear
  View Answer play_arrow

• question_answer180) Resemblance between widely different groups due to a common adaptation is known as
  A)
  adaptive convergence
  done clear
  B)
  adaptive divergence
  done clear
  C)
  progressive evolution
  done clear
  D)
  retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer181) What do you means by potential natility?
  A)
  Number of organism in a biome
  done clear
  B)
  Natural increase of population under optimum condition/concentration
  done clear
  C)
  Net potential of organism in a biome
  done clear
  D)
  Maximum member of organisms in a population
  done clear
  View Answer play_arrow

• question_answer182) Chromophill cells are found in
  A)
  adrenal cortex                     
  done clear
  B)
  adrenal medulla
  done clear
  C)
  anterior lobe of pituitary
  done clear
  D)
  posterior lobe of pituitary
  done clear
  View Answer play_arrow

• question_answer183) Neubenkern is a part of
  A)
  Graafian follicle                   
  done clear
  B)
  human sperm
  done clear
  C)
  foetus                                     
  done clear
  D)
  human ovum
  done clear
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• question_answer184) The statement Omnis cellula e cellula of Rudoff Virchon has been taken from his book
  A)
  Cellular Pathology              
  done clear
  B)
  Scala Naturae
  done clear
  C)
  Cellular Potency                  
  done clear
  D)
  Micrographia
  done clear
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• question_answer185) Biopiracy is related/associated with
  A)
  biomolecules and  regarding  bioresources, genes, isolated from bioresources
  done clear
  B)
  bioresources
  done clear
  C)
  traditional knowledge
  done clear
  D)
  All of the above
  done clear
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• question_answer186) A free living nitrogen-fixing cyanobacterium, which can also form symbiotic association with a pteridophyte
  A)
  Chlorella                 
  done clear
  B)
  Nostoc
  done clear
  C)
  Anabaena              
  done clear
  D)
  Tolypothrix
  done clear
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• question_answer187) In a mutational event, when adenine is replaced by guanine, it is the case of
  A)
  transversion   
  done clear
  B)
         frameshif mutation
  done clear
  C)
  transcription         
  done clear
  D)
  transition
  done clear
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• question_answer188) Flagella of prokaryotic and eukaryotic cells differ in
  A)
  both type of movement and placement in cell
  done clear
  B)
  microtubular organisation and function
  done clear
  C)
  location in cell and mode of functioning
  done clear
  D)
  microtubular organisation and type of movement
  done clear
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• question_answer189) In your opinion, which is the most effective way to conserve the biodiversity of a region?
  A)
  By creating biosphere reserve
  done clear
  B)
  By ex situ conservation
  done clear
  C)
  Both (a) and (b)
  done clear
  D)
  In situ conservation and (a)
  done clear
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• question_answer190) What type of placentation is seen in tomato    and gurhal?                                     
  A)
  Axile                                                       
  done clear
  B)
  Free central and axile                                
  done clear
  C)
  Axile and marginal                  
  done clear
  D)
  Marginal basal                                 
  done clear
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• question_answer191) One of the parents of a cross has mutation in       its mitochondria. In that cross, the parent is taken as male. During segregation of \[{{F}_{2}}\] progenies that mutation is found in              
  A)
  one third of progenies
  done clear
  B)
  None of the progenies     
  done clear
  C)
  All of the progenies 
  done clear
  D)
  half of the progenies     
  done clear
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• question_answer192) Lack of independent assortment of two genes X and Y in D. melanogaster is due to                
  A)
  crossing over        
  done clear
  B)
  repulsion                  
  done clear
  C)
  linkage                                    
  done clear
  D)
  recombination             
  done clear
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• question_answer193) In 1984, a gas tragedy in union carbide plant in Bhopal was caused by the reaction of              
  A)
  methyl isocyanate with \[C{{O}_{2}}\]                         
  done clear
  B)
  isocyanate with \[{{O}_{2}}\] and DDT
  done clear
  C)
  methyl isocyanate with ammonia          
  done clear
  D)
  methyl isocyanate with water       
  done clear
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• question_answer194) In Pinus male cone bear a large number of
  A)
  microsporophyll?s              
  done clear
  B)
  megasporpphylls
  done clear
  C)
  anthers             
  done clear
  D)
  ligules
  done clear
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• question_answer195) In chloroplasts, chlorophyll is located in
  A)
  inner membrane                
  done clear
  B)
  thylakoids
  done clear
  C)
  stroma                                    
  done clear
  D)
  outer membrane
  done clear
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• question_answer196) In transgenic, the expression of transgene in target tissue is determined by
  A)
  transgene              
  done clear
  B)
  promoter
  done clear
  C)
  reporter                 
  done clear
  D)
  enhancer
  done clear
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• question_answer197) Which form of RNA has a structure resembling clover leaf?
  A)
  mRNA                                     
  done clear
  B)
  rRNA
  done clear
  C)
  hnRNA                                    
  done clear
  D)
  tRNA
  done clear
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• question_answer198) In prothallus of a vascular cryptogamic, the antherozoids and eggs mature at different times. As a result of
  A)
  self-fertilisation is prevented
  done clear
  B)
  it can be concluded that plant is apomictic
  done clear
  C)
  there is a low degree of fertility
  done clear
  D)
  No change in success rate of fertilization
  done clear
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• question_answer199) The technique of obtaining large number of plantlets by tissue culture method is called
  A)
  macro-propagation
  done clear
  B)
  micro-propagation
  done clear
  C)
  organ culture
  done clear
  D)
  plantlet culture
  done clear
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• question_answer200) Which one of the following is correctly matched?                      
  A)
  Glossina palpalis ? Leishmaniasis
  done clear
  B)
  Aedes aeqypti - Yellow fever
  done clear
  C)
  Phlebotamus species ? Tryphosomiasis
  done clear
  D)
  Wucheria bancrofti - Black foot disease
  done clear
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