Solved papers for VMMC VMMC Medical Solved Paper-2014

done VMMC Medical Solved Paper-2014 Total Questions - 200

• question_answer1) Minimum light intensity that can be perceived by normal human eye is about \[{{10}^{-10}}\text{Wb}\,{{\text{m}}^{-2}}\]. What is the minimum number of photons of wavelength 660 nm that must enter the pupil in Is for one to see the object? Area of cross-section of the pupil is \[{{10}^{-4}}\,{{\text{m}}^{2}}.\]
  A)
  \[3.3\times {{10}^{2}}\]                
  done clear
  B)
  \[3.3\times {{10}^{3}}\]
  done clear
  C)
  \[3.3\times {{10}^{4}}\]         
  done clear
  D)
  \[3.3\times {{10}^{5}}\]
  done clear
  View Answer play_arrow

• question_answer2) The distance between two successive atomic planes of a calcite crystal is 0.3 nm. The minimum angle for Bragg scattering of 0.3 Å X-rays will be
  A)
  1.43°                     
  done clear
  B)
  1.56°  
  done clear
  C)
  2.86°                     
  done clear
  D)
   30°
  done clear
  View Answer play_arrow

• question_answer3) The ground state energy of hydrogen atom is 13.6 eV. The kinetic energy of the electron in this state is
  A)
  27,2 eV                
  done clear
  B)
  13.6 eV
  done clear
  C)
  6.8 eV                  
  done clear
  D)
  6.4 eV
  done clear
  View Answer play_arrow

• question_answer4) Binding energy per nucleon relation with mass Number
  A)
  first decreases then increases
  done clear
  B)
  first increases then decreases
  done clear
  C)
  increases                            
  done clear
  D)
  decreases
  done clear
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• question_answer5) Following process is knows as\[hv\xrightarrow[{}]{{}}{{e}^{+}}+{{e}^{-}}\]
  A)
  Pair production
  done clear
  B)
  Photoelectric effect
  done clear
  C)
  Compton effect               
  done clear
  D)
  Zeeman effect
  done clear
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• question_answer6) The typical ionisation energy of a donor in silicon is
  A)
  10.0 eV                                
  done clear
  B)
  1.0 eV
  done clear
  C)
  0.1 eV                  
  done clear
  D)
  0.001 eV
  done clear
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• question_answer7) Boolean expression for OR gate is
  A)
  \[Y=A-B\]          
  done clear
  B)
   \[Y=\overline{A}+\overline{B}\]
  done clear
  C)
  \[Y=A+B\]         
  done clear
  D)
  \[Y=\overline{A}\]
  done clear
  View Answer play_arrow

• question_answer8) Dimensions of resistance is an electrical circuit, in terms of dimension of mass M, of length L, of time T and of current A, would be
  A)
  \[[M{{L}^{2}}{{T}^{-3}}{{A}^{-1}}]\]                        
  done clear
  B)
  \[[M{{L}^{2}}{{T}^{-2}}]\]
  done clear
  C)
  \[[M{{L}^{2}}{{T}^{-1}}{{A}^{-1}}]\]                        
  done clear
  D)
  \[[M{{L}^{2}}{{T}^{-3}}{{A}^{-2}}]\]
  done clear
  View Answer play_arrow

• question_answer9) A body A is thrown up vertically from the ground with a velocity \[{{\upsilon }_{0}}\]and another body B is simultaneously dropped from a height \[\frac{H}{2},\] They meet at a height \[\frac{H}{2},\]if \[{{\upsilon }_{0}}\]is equal to
  A)
  \[\sqrt{2gH}\]                   
  done clear
  B)
  \[\sqrt{gH}\]
  done clear
  C)
  \[\frac{1}{2}\sqrt{gH}\]                
  done clear
  D)
  \[\sqrt{\frac{2g}{H}}\]
  done clear
  View Answer play_arrow

• question_answer10) A particle is moving in a vertical circle. The tensions in the string when passing through two positions at angle 30° and 60° from vertical (lowest position) are\[{{T}_{1}}\]and \[{{T}_{2}}\] respectively, then
  A)
  \[{{T}_{1}}={{T}_{2}}\]                  
  done clear
  B)
  \[{{T}_{2}}>{{T}_{1}}\]
  done clear
  C)
  \[{{T}_{1}}>{{T}_{2}}\]
  done clear
  D)
   tension in the string always remains the same
  done clear
  View Answer play_arrow

• question_answer11) A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m. If a force P is applied at the free end of the rope, the force exerted by the rope on the block is
  A)
  \[\frac{Pm}{M+m}\]                      
  done clear
  B)
  \[\frac{Pm}{M-m}\]
  done clear
  C)
   P                                           
  done clear
  D)
  \[\frac{PM}{M+m}\]
  done clear
  View Answer play_arrow

• question_answer12) The adjacent figure is the part of a horizontally stretched net. Section AB is stretched with a force of 10 N. The tensions in the sections BC and BF are
  A)
  10 N,11 N                            
  done clear
  B)
   10 N, 6N
  done clear
  C)
   10 N, 10 N
  done clear
  D)
   can't be calculated due to insufficient data
  done clear
  View Answer play_arrow

• question_answer13) The relationship between the force F and position a: of a body is as shown in figure. The work done in displacing the body from x = 1 m to x = 5 m will be
  A)
  30 J                        
  done clear
  B)
  15 J
  done clear
  C)
  25 J                                        
  done clear
  D)
  20 J
  done clear
  View Answer play_arrow

• question_answer14) A sphere of mass m makes SHM in a hemispherical bowl ABC and it moves from A to C and back to A uia ABC, so that PB = h. If acceleration due to gravity is g, the speed of the ball when it just crosses the point B is
  A)
  2gh                                        
  done clear
  B)
  mgh
  done clear
  C)
   \[\sqrt{2gh}\]                  
  done clear
  D)
  \[\frac{gh}{2}\]
  done clear
  View Answer play_arrow

• question_answer15) A body x with a momentum p collides with another identical stationary body y one dimensionally. During the collision y gives an impulse J to the body x. Then, the coefficient of restitution is
  A)
  \[\frac{2J}{p}-1\]                             
  done clear
  B)
  \[\frac{J}{p}+1\]
  done clear
  C)
  \[\frac{J}{p}-1\]                               
  done clear
  D)
  \[\frac{J}{2p}-1\]
  done clear
  View Answer play_arrow

• question_answer16) Consider a system of two particles having masses \[{{m}_{1}}\] and \[{{m}_{2}}\]. If the particle of mass \[{{m}_{1}}\]is pushed towards the mass centre of particles through a distance d, by what distance would the particle of mass \[{{m}_{2}}\]move so as to keep the mass centre of particles at the original position?
  A)
  \[\frac{{{m}_{1}}}{{{m}_{1}}+{{m}_{2}}}d\]                         
  done clear
  B)
  \[\frac{{{m}_{1}}}{{{m}_{2}}}d\]
  done clear
  C)
  d                                            
  done clear
  D)
  \[\frac{{{m}_{2}}}{{{m}_{1}}}d\]
  done clear
  View Answer play_arrow

• question_answer17) Radius of gyration of disc of mass 50 g and radius .5 cm about an axis passing through its centre of gravity and perpendicular to the plane is
  A)
  6.54 cm                
  done clear
  B)
   3.64 cm
  done clear
  C)
   1.77 cm               
  done clear
  D)
   0.88 cm
  done clear
  View Answer play_arrow

• question_answer18) A drum of radius R and mass M, rolls down without slipping along an inclined plane of angle \[\theta \]. The frictional force
  A)
   converts translational energy to rotational energy
  done clear
  B)
  dissipates energy as heat
  done clear
  C)
  decreases the rotational motion
  done clear
  D)
  decreases the rotational and translational motion
  done clear
  View Answer play_arrow

• question_answer19) Assuming, the earth to be sphere of uniform density, what is the value of acceleration due to gravity at a point 100 km below the earth surface? Given \[R=6380\times {{10}^{3}}m\])
  A)
  \[3.10\,m/{{s}^{2}}\]                     
  done clear
  B)
  \[5.06\,m/{{s}^{2}}\]
  done clear
  C)
  \[7.64\,m/{{s}^{2}}\]                     
  done clear
  D)
  \[9.66\,m/{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer20) Two bodies M and N of equal masses are suspended from two separate massless springs of spring constants \[{{k}_{1}}\]and \[{{k}_{2}}\] respectively. If the two bodies oscillate vertically such that their maximum velocities are equal, the ratio of the amplitudes of vibrations of M to that of N is
  A)
  \[\frac{{{k}_{1}}}{{{k}_{2}}}\]                                     
  done clear
  B)
  \[\sqrt{\frac{{{k}_{1}}}{{{k}_{2}}}}\]
  done clear
  C)
  \[\frac{{{k}_{2}}}{{{k}_{1}}}\]                                     
  done clear
  D)
  \[\sqrt{\frac{{{k}_{2}}}{{{k}_{1}}}}\]
  done clear
  View Answer play_arrow

• question_answer21) The length of a rod is 20 cm and area of cross-section 2\[c{{m}^{2}}\]. The Young's modulus of the material of wire is \[1.4\times {{10}^{11}}N{{m}^{-2}}\]. If the rod is compressed by 5 kg-wt along its length, then increase in the energy of the rod in joules will be
  A)
  \[8.57\times {{10}^{-6}}\]                            
  done clear
  B)
  \[22.5\times {{10}^{-4}}\]
  done clear
  C)
  \[9.8\times {{10}^{-5}}\]                              
  done clear
  D)
  \[45.0\times {{10}^{-5}}\]
  done clear
  View Answer play_arrow

• question_answer22) The current I drawn from the 5 V source will be
  A)
   0.33 A                                  
  done clear
  B)
   0.5 A   
  done clear
  C)
  0.67 A                   
  done clear
  D)
   0.17 A
  done clear
  View Answer play_arrow

• question_answer23) Water flows along a horizontal pipe whose cross-section is not constant. The pressure is 1 cm of Hg, where the velocity is 35 \[\text{cm}{{\text{s}}^{-1}}\]. At a point where the velocity is 65 \[\text{cm}{{\text{s}}^{-1}}\], the pressure will be
  A)
  0.89 cm of Hg    
  done clear
  B)
  8.9 cm of Hg
  done clear
  C)
  0.5 cm of Hg      
  done clear
  D)
  1 cm of Hg
  done clear
  View Answer play_arrow

• question_answer24) A wire of length I metre, made of a material of specific gravity 8 is floating horizontally on the surface of water. If it is not wet by water, the maximum diameter of the wire (in millimetre) upto which it can continue to float is (surface tension of water is \[T=70\times {{10}^{-3}}N{{m}^{-1}}\])
  A)
  1.5                         
  done clear
  B)
  1.1     
  done clear
  C)
  0.75                       
  done clear
  D)
  0.55
  done clear
  View Answer play_arrow

• question_answer25) A block of ice at temperature -20° C is slowly heated and converted to steam at 100° C.  Which of the following diagram is most appropriate?
  A)
                       
  done clear
  B)
  
  done clear
  C)
                 
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer26) How much heat energy in joules must be supplied to 14 g of nitrogen at room temperature to raise its temperature by 40° C at constant pressure? (Mol. wt. of N3 = 28 g, R = constant)
  A)
  50 R                       
  done clear
  B)
  60 R   
  done clear
  C)
  70 R                       
  done clear
  D)
   80 R
  done clear
  View Answer play_arrow

• question_answer27) The displacement of a particle from its mean position (in metre) is given by \[y=0.2\sin (10\pi t+1.5\pi )\cos (10\pi t+1.5\pi )\] The motion of the particle is
  A)
   periodic but not SHM
  done clear
  B)
  non-periodic
  done clear
  C)
   simple harmonic motion with period 0.1 s
  done clear
  D)
  simple harmonic motion with period 0.2 s
  done clear
  View Answer play_arrow

• question_answer28) A heavy small-sized sphere is suspended by a string of length \[l.\]The sphere .rotates uniformly in a horizontal circle with the string making an angle \[\theta \] with the vertical. Then, the time-period of this conical pendulum is
  A)
  \[t=2\pi \sqrt{\frac{l}{g}}\]                         
  done clear
  B)
  \[t=2\pi \sqrt{\frac{l\sin \theta }{g}}\]
  done clear
  C)
  \[t=2\pi \sqrt{\frac{l\cos \theta }{g}}\]  
  done clear
  D)
  \[t=2\pi \sqrt{\frac{l}{g\cos \theta }}\]
  done clear
  View Answer play_arrow

• question_answer29) When beats are produced by two progressive waves of the same amplitude and of nearly the same frequency, the ratio of maximum loudness to the loudness of one of the waves will be n, where, n is
  A)
  3                                             
  done clear
  B)
  1        
  done clear
  C)
  4                             
  done clear
  D)
  2
  done clear
  View Answer play_arrow

• question_answer30) In the diagram, a system of two metals of equal lengths and of same cross-sectional area are joined together. The coefficient of thermal conductivities of the metals are K and 2K respectively. If the furnace temperature at one end is 300° C and ice box temperature at the other end is 0° C, then the junction temperature is
  A)
  100°C                    
  done clear
  B)
  125°C
  done clear
  C)
  150°C                    
  done clear
  D)
  200°C
  done clear
  View Answer play_arrow

• question_answer31) Two rigid boxes containing different ideal gases are placed on table. Box A contains one mole of nitrogen at temperature \[{{T}_{0}},\]while box B contains one mole of helium at temperature (7/3) \[{{T}_{0}}\]. The boxes are then put into thermal contact with each other, and heat flows between them until the gases reach a common final temperature (ignore the heat capacity of boxes). Then, the final temperature of the gases, \[{{T}_{f}},\]in terms of \[{{T}_{0}}\] is
  A)
  \[{{T}_{f}}=\frac{3}{7}{{T}_{0}}\]                              
  done clear
  B)
  \[{{T}_{f}}=\frac{7}{3}{{T}_{0}}\]
  done clear
  C)
  \[{{T}_{f}}=\frac{3}{2}{{T}_{0}}\]                              
  done clear
  D)
  \[{{T}_{f}}=\frac{5}{2}{{T}_{0}}\]
  done clear
  View Answer play_arrow

• question_answer32) Air is filled at 60° C in a vessel of open mouth. The vessel is heated to a temperature T so that \[\frac{1}{4}\]th part of air escapes. Assuming, the volume of the vessel remaining constant, the value of T is
  A)
   80°C                     
  done clear
  B)
   444°C
  done clear
  C)
   333°C                   
  done clear
  D)
   171°C
  done clear
  View Answer play_arrow

• question_answer33) Each of two point charges are doubled and their distance is halved. Force of interaction becomes n times, where n is
  A)
   4                            
  done clear
  B)
  1
  done clear
  C)
  18                          
  done clear
  D)
  16
  done clear
  View Answer play_arrow

• question_answer34) An electric dipole coincides on Z-axis and its mid-point is on origin of the coordinate system. The electric field at an axial point at a distance z from origin is \[{{E}_{(z)}}\] and electric field at an equatorial point at a distance y from origin is \[{{E}_{(y)}}.\]Here 2 = y > a, so \[\left| \frac{{{E}_{(z)}}}{{{E}_{(y)}}} \right|\]is equal to
  A)
  1                                               
  done clear
  B)
  4   
  done clear
  C)
  3                                             
  done clear
  D)
  2
  done clear
  View Answer play_arrow

• question_answer35) The equation of a wave travelling on a string is \[y=4\sin \left[ \frac{\pi }{2}\left( 8t-\frac{x}{8} \right) \right],\] where x, y are in cm and t in second. The velocity of the wave is
  A)
  \[\text{64}\,\text{cm}{{\text{s}}^{\text{-1}}}\text{,}\] in-x direction
  done clear
  B)
  \[32\,\text{cm}{{\text{s}}^{\text{-1}}}\text{,}\] in-x direction
  done clear
  C)
  \[32\,\text{cm}{{\text{s}}^{\text{-1}}}\text{,}\] in +x direction
  done clear
  D)
  \[36\,\text{cm}{{\text{s}}^{\text{-1}}}\text{,}\] in +x direction
  done clear
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• question_answer36) The plates in a parallel plate capacitor are separated by a distance d .with air as the medium between the plates.   In order to increase the capacity by 66% a dielectric slab of dielectric constant 5 is introduced between the plates. What is the thickness of the dielectric slab?
  A)
  \[\frac{d}{4}\]                                  
  done clear
  B)
  \[\frac{d}{2}\]
  done clear
  C)
  \[\frac{5d}{8}\]                                
  done clear
  D)
   8
  done clear
  View Answer play_arrow

• question_answer37) Effective capacitance between A and B in the figure shown is \[({{C}_{1}}={{C}_{2}}=20\mu F,{{C}_{3}}={{C}_{4}}=10\mu F)\]
  A)
  \[10\mu F\]                       
  done clear
  B)
  \[15\mu F\]
  done clear
  C)
  \[20\mu F\]                       
  done clear
  D)
  \[25\mu F\]
  done clear
  View Answer play_arrow

• question_answer38) The current-voltage graph for a given metallic wire at two different temperatures \[{{T}_{1}}\]and \[{{T}_{2}}\] is shown in the figure. The temperatures \[{{T}_{1}}\] and \[{{T}_{2}}\] are related as
  A)
  \[{{T}_{1}}>{{T}_{2}}\]                  
  done clear
  B)
  \[{{T}_{1}}<{{T}_{2}}\]
  done clear
  C)
  \[{{T}_{1}}={{T}_{2}}\]                  
  done clear
  D)
  \[{{T}_{1}}>2{{T}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer39) An iron rod of length 2 m and cross-sectional area of 50 mm2 is stretched by 0.5 mm, when a mass of 250 kg is hung from its lower end. Young's modulus of iron rod is
  A)
  \[19.6\times {{10}^{20}}\text{N}{{\text{m}}^{-2}}\]        
  done clear
  B)
  \[19.6\times {{10}^{18}}\text{N}{{\text{m}}^{-2}}\]
  done clear
  C)
  \[19.6\times {{10}^{10}}\text{N}{{\text{m}}^{-2}}\]        
  done clear
  D)
  \[19.6\times {{10}^{15}}\text{N}{{\text{m}}^{-2}}\]
  done clear
  View Answer play_arrow

• question_answer40) A cell of emf E and internal resistance r is connected with external resistance R. The graph between terminal voltage and current  is
  A)
                           
  done clear
  B)
  
  done clear
  C)
                   
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer41) The gases carbon monoxide (CO) and nitrogen \[({{N}_{2}})\] at the same temperature have kinetic energies \[{{E}_{1}}\]and \[{{E}_{2}}\] respectively. Then
  A)
  \[{{E}_{1}}={{E}_{2}}\]                  
  done clear
  B)
  \[{{E}_{1}}>{{E}_{2}}\]
  done clear
  C)
  \[{{E}_{1}}<{{E}_{2}}\]
  done clear
  D)
  \[{{E}_{1}}\] and\[{{E}_{2}}\] cannot be compared
  done clear
  View Answer play_arrow

• question_answer42) The soave of a galvanometer of resistance \[100\Omega \]contains 25 divisions. It gives a deflection of one division on passing a current of \[4\times {{10}^{14}}A.\] The resistance in ohm to be added to it, so that it may become a voltmeter of range 2.5 V is
  A)
  150   
  done clear
  B)
  170   
  done clear
  C)
  110                        
  done clear
  D)
  220
  done clear
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• question_answer43) A bar magnet of magnetic moment M and moment of inertia I is freely suspended such that the magnetic axial line is in the direction  of magnetic meridian. If the magnet is displaced by a very small angle 6, angular acceleration is (magnetic induction of the earth's horizontal field\[={{B}_{H}}\])
  A)
  \[\frac{M{{B}_{H}}\theta }{l}\]                  
  done clear
  B)
  \[\frac{l{{B}_{H}}\theta }{M}\]
  done clear
  C)
  \[\frac{M\theta }{l{{B}_{H}}}\]                                  
  done clear
  D)
  \[\frac{l\theta }{M{{B}_{H}}}\]
  done clear
  View Answer play_arrow

• question_answer44) A bar magnet has a cqercitivity \[4\times {{10}^{3}}A{{m}^{-1}}\]. It is desired to demagnetise it by inserting it inside a solenoid 12 cm long and having 60 turns. The current carried by the solenoid should be
  A)
  8A                          
  done clear
  B)
   6A
  done clear
  C)
  4.5 A                     
  done clear
  D)
  2 A
  done clear
  View Answer play_arrow

• question_answer45) In and L-R circuit, the value of L is \[\left( \frac{0.4}{\pi } \right)\]H and the value of R is \[30\Omega .\]If in the circuit an alternating emf of 200 V at 50 cycle/s is connected, the impedances of the circuit and current will be
  A)
  \[11.4\Omega ,17.5A\]                 
  done clear
  B)
  \[30.1\Omega ,6.5A\]
  done clear
  C)
  \[40.4\Omega ,5A\]                       
  done clear
  D)
  \[50\Omega ,4A\]
  done clear
  View Answer play_arrow

• question_answer46) In an electromagnetic wave, the electric and magnetising fields  are  100 \[\text{V}{{\text{m}}^{\text{-1}}}\] and 0.265 \[\text{A}{{\text{m}}^{\text{-1}}}\]. The maximum energy flow is
  A)
  \[\text{26}\text{.5W}{{\text{m}}^{\text{-2}}}\]                
  done clear
  B)
  \[\text{36}\text{.5W}{{\text{m}}^{\text{-2}}}\]
  done clear
  C)
  \[\text{46}\text{.7W}{{\text{m}}^{\text{-2}}}\]                
  done clear
  D)
  \[\text{765}\,\text{W}{{\text{m}}^{\text{-2}}}\]
  done clear
  View Answer play_arrow

• question_answer47) The apparent depth of water in cylindrical water tank of diameter 2-R cm is reducing at the rate of x cm \[{{\min }^{-1}},\] when water is being drained out at a constant rate. The amount of water drained in cc per minute is (\[{{\text{n}}_{\text{1}}}\] = refractive index of air, \[{{\text{n}}_{2}}=\] = refractive index of water)
  A)
  \[\frac{x\pi {{R}^{2}}{{n}_{1}}}{{{n}_{2}}}\]                         
  done clear
  B)
  \[\frac{x\pi {{R}^{2}}{{n}_{2}}}{{{n}_{1}}}\]
  done clear
  C)
  \[\frac{2\pi R{{n}_{1}}}{{{n}_{2}}}\]                        
  done clear
  D)
  \[\pi {{R}^{2}}x\]
  done clear
  View Answer play_arrow

• question_answer48) An object is immersed in fluid. In order that the object becomes invisible, it should
  A)
  behave as a perfect reflector
  done clear
  B)
  absorb all light falling on it
  done clear
  C)
  have refractive index one
  done clear
  D)
   have refractive index exactly matching with that of the surrounding fluid
  done clear
  View Answer play_arrow

• question_answer49) Which of the following is a dichroic crystal?
  A)
   Quartz                
  done clear
  B)
  Tourmaline
  done clear
  C)
  Mica                     
  done clear
  D)
   Selenite
  done clear
  View Answer play_arrow

• question_answer50) Cathode rays of velocity  106 ms 1 describe an approximate circular path of radius 1 m in an electric field 300 \[\text{Vc}{{\text{m}}^{\text{-1}}}\] . If the velocity of the cathode rays are doubled. The value of electric field so that the rays describe the same circular path, will be
  A)
  \[\text{2400Vc}{{\text{m}}^{\text{-1}}}\]                            
  done clear
  B)
  \[\text{600Vc}{{\text{m}}^{\text{-1}}}\]
  done clear
  C)
  \[\text{1200Vc}{{\text{m}}^{\text{-1}}}\]                            
  done clear
  D)
  \[\text{12000Vc}{{\text{m}}^{\text{-1}}}\]
  done clear
  View Answer play_arrow

• question_answer51) The activation energy of reaction is zero. 280 K rate constant is\[1.6\times {{10}^{-6}}{{s}^{-1}}.\] The rate constant at 300 K is
  A)
  zero      
  done clear
  B)
  \[3.2\times {{10}^{-6}}{{s}^{-1}}\]
  done clear
  C)
  \[1.6\times {{10}^{-5}}{{s}^{-1}}\]                           
  done clear
  D)
  \[1.6\times {{10}^{-6}}{{s}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer52) Standard state Gibbs free energy change for isomerisation reaction, cis-2-pentene\[\]trans-2-pentene is -3.67 kJ/mol at 400 K. If more tran5-2-pentene is added to the reaction vessel, then
  A)
   more cis-2-pentene is formed
  done clear
  B)
   additional frans-2-pentene is formed
  done clear
  C)
  equilibrium remains unaffected  
  done clear
  D)
  equilibrium is shifted in the forward direction
  done clear
  View Answer play_arrow

• question_answer53) Which of the following electrolyte will Have maximum flocculation value for \[Fe{{(OH)}_{3}}\]sol?
  A)
  NaCI                     
  done clear
  B)
  \[N{{a}_{2}}S\]
  done clear
  C)
  \[{{(N{{H}_{4}})}_{3}}P{{O}_{4}}\]           
  done clear
  D)
  \[{{K}_{2}}S{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer54) Nitric acid forms an oxide of nitrogen on reaction with \[{{P}_{4}}{{O}_{10}}.\]How many resonating structures of the oxide of nitrogen will be formed?
  A)
  1                             
  done clear
  B)
  3     
  done clear
  C)
   4                                            
  done clear
  D)
   5
  done clear
  View Answer play_arrow

• question_answer55) Which of the following is obtained when aluminium oxide and carbon is strongly heated in dry chlorine gas?
  A)
  Aluminium chloride
  done clear
  B)
   Hydrated aluminium chloride              
  done clear
  C)
   Anhydrous aluminium chloride
  done clear
  D)
   None of the above            
  done clear
  View Answer play_arrow

• question_answer56) The slag obtained during the extraction of copper from copper pyrites is composed of
  A)
  \[C{{u}_{2}}S\]                 
  done clear
  B)
  \[Si{{O}_{2}}\]
  done clear
  C)
  \[CuSi{{O}_{3}}\]                             
  done clear
  D)
  \[FeSi{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer57) Which of the following is correct according to adsorption isotherm?
  A)
  \[\frac{x}{m}\propto {{p}^{o}}\]                              
  done clear
  B)
  \[\frac{x}{m}\propto p\]
  done clear
  C)
  \[\frac{x}{m}\propto {{p}^{1/n}}\]                          
  done clear
  D)
  All of these
  done clear
  View Answer play_arrow

• question_answer58) Which one of the following does not exist?
  A)
  \[XeO{{F}_{4}}\]                              
  done clear
  B)
  \[Ne{{F}_{2}}\]
  done clear
  C)
  \[Xe{{F}_{2}}\]                 
  done clear
  D)
  \[Xe{{F}_{6}}\]
  done clear
  View Answer play_arrow

• question_answer59) \[O{{F}_{2}},C{{l}_{2}}O\]and \[B{{r}_{2}}O\]are the three monoxides of halogens. The bond angle varies in the order
  A)
   FOF < CIOCI < BrOBr
  done clear
  B)
  FOF < BrOBr < CIOCI
  done clear
  C)
   BrOBr < CIOCI < FOF
  done clear
  D)
  BrOBr < FOF < CIOCI
  done clear
  View Answer play_arrow

• question_answer60) What is the percentage of cation in ammonium dichromate?
  A)
  14.29%                 
  done clear
  B)
  20.52%
  done clear
  C)
   50.05%                
  done clear
  D)
  80%
  done clear
  View Answer play_arrow

• question_answer61) Which oxide is alkaline?
  A)
  \[{{P}_{2}}{{O}_{3}}\]                                    
  done clear
  B)
  \[{{B}_{2}}{{O}_{3}}\]
  done clear
  C)
  \[B{{i}_{2}}{{O}_{3}}\]                   
  done clear
  D)
  \[A{{s}_{2}}{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer62) Sulphur in +3 oxidation state is present in
  A)
  dithionous acid
  done clear
  B)
  sulphurous acid
  done clear
  C)
  thionous acid    
  done clear
  D)
  pyrosulphuric acid
  done clear
  View Answer play_arrow

• question_answer63) The pair of species having identical shape for molecules of both species is
  A)
  \[Xe{{F}_{2}}.lF_{2}^{-}\]                            
  done clear
  B)
  \[B{{F}_{3}}.N{{H}_{3}}\]
  done clear
  C)
  \[C{{F}_{4}},S{{F}_{4}}\]                               
  done clear
  D)
  \[PC{{l}_{5}},lC{{l}_{5}}\]
  done clear
  View Answer play_arrow

• question_answer64) The mass of a photon with wavelength 3.6 Å is
  A)
  \[6.135\times {{10}^{-29}}kg\]  
  done clear
  B)
  \[6.135\times {{10}^{-33}}kg\]
  done clear
  C)
  \[3.60\times {{10}^{-29}}kg\]     
  done clear
  D)
  \[3.60\times {{10}^{-27}}kg\]
  done clear
  View Answer play_arrow

• question_answer65) It what temperature with both Celsius and Fahrenheit scales read the same value?
  A)
  100°                      
  done clear
  B)
  180°
  done clear
  C)
  40°                                         
  done clear
  D)
  -40°
  done clear
  View Answer play_arrow

• question_answer66) In an auto engine with no pollution controls, about 5% of the fuel \[({{C}_{8}}{{H}_{18}})\] is un burnt. Molar ratio of CO and \[{{C}_{8}}{{H}_{18}}\] emitted in the exhaust gas is
  A)
  100                        
  done clear
  B)
  152    
  done clear
  C)
  50                          
  done clear
  D)
   5
  done clear
  View Answer play_arrow

• question_answer67) In which of the following isolations no reducing agent is required?
  A)
  Iron from haematite
  done clear
  B)
  Aluminium from bauxite
  done clear
  C)
   Zinc from zinc blende
  done clear
  D)
   Mercury from cinnabar
  done clear
  View Answer play_arrow

• question_answer68) Which one of the following process require absorption of energy?
  A)
  \[Cl\to C{{l}^{-}}\]                           
  done clear
  B)
  \[H\to {{H}^{-}}\]
  done clear
  C)
  \[{{O}^{-}}\to {{O}^{2-}}\]                           
  done clear
  D)
  \[F\to {{F}^{-}}\]
  done clear
  View Answer play_arrow

• question_answer69) Identify the wrong statements in the following.
  A)
   Chloro fluoro carbons are responsible for ozone layer depletion
  done clear
  B)
   Greenhouse effect is responsible for global warming
  done clear
  C)
   Ozone layer does not permit infrared radiation from the sun to reach the earth
  done clear
  D)
  Acid rain is mostly because of oxides of nitrogen and sulphur
  done clear
  View Answer play_arrow

• question_answer70) Which of the following options are correct for \[{{[Fe{{(CN)}_{6}}]}^{3-}}\] complex? (i)\[{{d}^{2}}s{{p}^{3}}\] hybridization(ii)\[s{{p}^{3}}{{d}^{2}}\] hybridization (iii) Para magnetic (iv) Diamagnetic
  A)
  (i) and (iii)                           
  done clear
  B)
  (i) and (iv)
  done clear
  C)
  (ii) and (iii)                          
  done clear
  D)
  (ii) and (iv)
  done clear
  View Answer play_arrow

• question_answer71) Which of the following species is not expected to be a ligand?
  A)
   NO                                       
  done clear
  B)
  \[NH_{4}^{+}\]
  done clear
  C)
  \[N{{H}_{2}}C{{H}_{2}}C{{H}_{2}}N{{H}_{2}}\]    
  done clear
  D)
  CO
  done clear
  View Answer play_arrow

• question_answer72) When acidified \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]solution is added to \[S{{n}^{2+}}\]salts then \[S{{n}^{2+}}\]changes to
  A)
   Sn                                         
  done clear
  B)
  \[S{{n}^{3+}}\]
  done clear
  C)
  \[S{{n}^{4+}}\]                                 
  done clear
  D)
  \[S{{n}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer73) For d-block elements the first ionization potential is of order
  A)
  \[Zn>Fe>Cu>Cr\]            
  done clear
  B)
  \[Sc=Ti<V=Cr\]
  done clear
  C)
  \[Zn<Cu<Ni<Co\]            
  done clear
  D)
  \[V>Cr>Mn>Fe\]
  done clear
  View Answer play_arrow

• question_answer74) Knowing that \[{{K}_{sp}}\]for AgCl is \[1.0\times {{10}^{-10}}.\]Calculate E for \[A{{g}^{+}}/Ag\] electrode immersed in M KCl at 25° C.\[(E_{A{{g}^{+}}/Ag}^{o}=0.79V)\]
  A)
  0.80V                    
  done clear
  B)
  0.208V
  done clear
  C)
  0.37V                    
  done clear
  D)
  0.18V
  done clear
  View Answer play_arrow

• question_answer75) In electrolysis of water, one faraday of electrical energy would evolve
  A)
  one mole of oxygen  
  done clear
  B)
  one g atom of oxygen
  done clear
  C)
  8 g of oxygen       
  done clear
  D)
  22.4 L of oxygen
  done clear
  View Answer play_arrow

• question_answer76) Benzoic acid is dissolved in benzene, van't Hoff factor will be
  A)
  1.0                         
  done clear
  B)
  0.5
  done clear
  C)
  1.5                         
  done clear
  D)
   2.0
  done clear
  View Answer play_arrow

• question_answer77) The movement of solvent molecules through a semi permeable membrane is called
  A)
  electrolysis                        
  done clear
  B)
  electrophoresis
  done clear
  C)
  osmosis               
  done clear
  D)
   cataphoresis
  done clear
  View Answer play_arrow

• question_answer78) MgO has a structure of NaCI and TiCI has the structure of CsCl. What are the coordination numbers of ions in each (MgO and TiCI) respectively?
  A)
   6 : 6 and 8 : 8    
  done clear
  B)
  8 : 8 and 6 : 6
  done clear
  C)
  6 : 8 and 8 : 6                     
  done clear
  D)
  8 : 6 and 6 : 8
  done clear
  View Answer play_arrow

• question_answer79) With which one of the following elements silicon should be dope so as to give p-type of semiconductor?
  A)
  Germanium                       
  done clear
  B)
  Arsenic
  done clear
  C)
  Selenium            
  done clear
  D)
  Boron
  done clear
  View Answer play_arrow

• question_answer80) Elimination of bromine from 2-bromobutane results in the formation of
  A)
  predominantly-2-butyne
  done clear
  B)
  predominantly-1-butene
  done clear
  C)
  predominantly-2-butene
  done clear
  D)
  equimolar mixture of 1 and 2 butene
  done clear
  View Answer play_arrow

• question_answer81) When HCl gas is treated with propene in the presence of benzoyl peroxide, it gives
  A)
  2-chloropropane     
  done clear
  B)
  allyl chloride
  done clear
  C)
  n-propyl chloride     
  done clear
  D)
  isopropyi chloride
  done clear
  View Answer play_arrow

• question_answer82) Presence of nitro group in a benzene ring
  A)
  activates the ring towards electrophilic substitutior
  done clear
  B)
  reders the ring basic
  done clear
  C)
  deactivates  the  ring  towards  nucleophilic substitution
  done clear
  D)
  deactivates the ring towards electrophilic substitution
  done clear
  View Answer play_arrow

• question_answer83) How many chiral compounds are possible on monochlorination of 2-methyl butane?
  A)
  2                                             
  done clear
  B)
  4
  done clear
  C)
  6                                             
  done clear
  D)
  8
  done clear
  View Answer play_arrow

• question_answer84) Lassaigne's test for the detection of nitrogen fails in
  A)
  \[N{{H}_{2}}CONH.N{{H}_{2}}HCl\]
  done clear
  B)
  \[N{{H}_{2}}N{{H}_{2}}.HCl\]
  done clear
  C)
  \[N{{H}_{2}}CON{{H}_{2}}\]
  done clear
  D)
  \[{{C}_{6}}{{H}_{5}}NHN{{H}_{2}}.HCl\]
  done clear
  View Answer play_arrow

• question_answer85) A compound liberates \[C{{O}_{2}}\] with \[NaHC{{O}_{3}}\] and also gives colour with neutral \[FeC{{l}_{3}}\] solution. The compound can be
  A)
  
  done clear
  B)
  
  done clear
  C)
                     
  done clear
  D)
  
  done clear
  View Answer play_arrow

• question_answer86) Phenol can be distinguished from ethanol by the reactions with
  A)
  \[\text{B}{{\text{r}}_{\text{2}}}\text{/water}\]                
  done clear
  B)
  Na
  done clear
  C)
  neutral \[\text{FeC}{{\text{l}}_{\text{3}}}\]                       
  done clear
  D)
  All of these
  done clear
  View Answer play_arrow

• question_answer87) The IUPAC name of the  compound,\[{{(C{{H}_{3}})}_{2}}CH-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{2}}-C{{H}_{2}}OH\]
  A)
  hexanol-1-one-3
  done clear
  B)
   2-methyl-5-hydroxy-3-pentane
  done clear
  C)
  1-hydroxy-4-methyl-3-pentanone
  done clear
  D)
  4-methyl-3-oxo-1-pentanol
  done clear
  View Answer play_arrow

• question_answer88) Under\[{{S}_{N}}1\] conditions   the hydrolysis o neo-pentyl bromide gives
  A)
  \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,=CH-C{{H}_{2}}OH\]
  done clear
  B)
  \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}}\,-C{{H}_{2}}C{{H}_{3}}\]
  done clear
  C)
  \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}}\,-C{{H}_{2}}OH\]
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer89) Which one of the following is not a cyclic compound?
  A)
  Borazole,                            
  done clear
  B)
  Pyrrole
  done clear
  C)
  Anthracene                       
  done clear
  D)
  Isobutylene
  done clear
  View Answer play_arrow

• question_answer90) Reaction of tertiary butyl alcohol with hot Cu at 350°C produces
  A)
  butanol                               
  done clear
  B)
  butanal
  done clear
  C)
   2-butene                           
  done clear
  D)
  2-methyl propene
  done clear
  View Answer play_arrow

• question_answer91) Which of the following statements is correct about a carbonyl group?
  A)
  The carbonyl carbon is sp hybridized
  done clear
  B)
  The carbonyl carbon is sp3 hybridised
  done clear
  C)
  The three groups attached to the carbonyl carbon lie in the same plane
  done clear
  D)
  The three groups attached to the carbonyl carbon lie in different planes
  done clear
  View Answer play_arrow

• question_answer92) Which can reduce, \[RCOOH\xrightarrow[{}]{{}}RC{{H}_{2}}OH?\]
  A)
  \[NaB{{H}_{4}}\]                             
  done clear
  B)
  \[Na/{{C}_{2}}{{H}_{5}}OH\]
  done clear
  C)
  \[B{{H}_{3}}/THF/{{H}_{3}}{{O}^{+}}\]   
  done clear
  D)
  \[{{H}_{2}}/catalyst\]
  done clear
  View Answer play_arrow

• question_answer93) Solubility of AgCl will be minimum in
  A)
  0.01 MNaCI
  done clear
  B)
  0.01 \[CaC{{l}_{2}}\] solution
  done clear
  C)
  pure water
  done clear
  D)
  0.001 \[MAgN{{O}_{3}}\] solution
  done clear
  View Answer play_arrow

• question_answer94) The ionisation constant of ammonium hydroxide is \[1.77\times {{10}^{-5}}\] at 298 K. Hydrolysis constant of ammonium chloride is
  A)
  \[6.50\times {{10}^{-12}}\]                         
  done clear
  B)
  \[5.56\times {{10}^{-13}}\]
  done clear
  C)
  \[5.65\times {{10}^{-12}}\]                         
  done clear
  D)
  \[5.65\times {{10}^{-10}}\]
  done clear
  View Answer play_arrow

• question_answer95) The heat of neutralization of HCl by NaOH is \[-55.9\,kJ\,mo{{l}^{-1}}\]and that of HCN is -12.1 kJ; the energy of dissociation of HCN is
  A)
  43.8 kJ                  
  done clear
  B)
   -43.8 kJ
  done clear
  C)
  -68 kJ                    
  done clear
  D)
  68 kJ
  done clear
  View Answer play_arrow

• question_answer96) The value of \[{{K}_{p}}\] for the reaction,\[2{{H}_{2}}S(g)2{{H}_{2}}(g)+{{S}_{2}}(g)\]is \[1.2\times {{10}^{-2}}\]\[{{1065}^{o}}C.\] The value for \[{{K}_{c}}\] is
  A)
  \[<1.2\times {{10}^{-2}}\]                           
  done clear
  B)
  \[>1.2\times {{10}^{-2}}\]
  done clear
  C)
  \[1.2\times {{10}^{-2}}\]                              
  done clear
  D)
  \[0.12\times {{10}^{-2}}\]
  done clear
  View Answer play_arrow

• question_answer97) With increase in temperature, rate of reaction
  A)
  increases                            
  done clear
  B)
  decreases
  done clear
  C)
  remains same
  done clear
  D)
  may increase or decrease
  done clear
  View Answer play_arrow

• question_answer98) The reaction, \[2{{N}_{2}}{{O}_{5}}2{{N}_{2}}{{O}_{4}}+{{O}_{2}}\] is
  A)
  bimolecular and second order                 
  done clear
  B)
  unimolecular and first order                       
  done clear
  C)
  bimolecular but first order                
  done clear
  D)
  bimolecular and zero order                      
  done clear
  View Answer play_arrow

• question_answer99) DNA and RNA contain four bases each. Which of the following bases is not present in RNA?
  A)
  Adenine                              
  done clear
  B)
  Thymine
  done clear
  C)
  Uracil                    
  done clear
  D)
  Cytocine
  done clear
  View Answer play_arrow

• question_answer100) The main point of difference between buna-N and buna-S is
  A)
  the former is homopolymer whereas the later is copolymer
  done clear
  B)
  former contains buta-1,3-diene but later does not
  done clear
  C)
  former contains acrylonitrile but later contains styrene
  done clear
  D)
  All of the above    
  done clear
  View Answer play_arrow

• question_answer101) Emasculation, a practice used by plant breeder is achieved by
  A)
  removal of stamen from bisexual flower
  done clear
  B)
  removal of stamen from either bisexual or unisexual flowers
  done clear
  C)
  removal of stamen and gynoecium from bisexual flower
  done clear
  D)
  covering of male sex organ in bisexual flower
  done clear
  View Answer play_arrow

• question_answer102) Which one parts of a plant remain unaffected, during viral infection?
  A)
  Root apex                          
  done clear
  B)
  Shoot apex
  done clear
  C)
  Vascular tissues
  done clear
  D)
  Pith and cortex of root and shoot
  done clear
  View Answer play_arrow

• question_answer103) Cyclosporin is
  A)
  an antiseptic drug
  done clear
  B)
  an antituberculotic drug
  done clear
  C)
  an immuno suppressive drug
  done clear
  D)
  a antimalarian drug
  done clear
  View Answer play_arrow

• question_answer104) When an allele of one gene suppress the activity of an allele of another gene. This is termed as
  A)
  dominance                        
  done clear
  B)
  inactivation
  done clear
  C)
  making balance
  done clear
  D)
  epistasis
  done clear
  View Answer play_arrow

• question_answer105) Female gametophyte of angiosperm consist of egg cell, synergids antipodal cell and central cell. Out of them egg apparatus consist
  A)
  two synergids and one egg cell
  done clear
  B)
  three synergids cells
  done clear
  C)
  antipodal cells and egg cell
  done clear
  D)
  a nucleus and two antipodal cells
  done clear
  View Answer play_arrow

• question_answer106) Photolysis of water occurs in
  A)
  chemosysthesis PS-II
  done clear
  B)
  photosystem-II
  done clear
  C)
  photosystem-I       
  done clear
  D)
  Calvin cycle
  done clear
  View Answer play_arrow

• question_answer107) Which one of the following organisms is/are unicellular?
  A)
  Amoeba, Euplectella, Acetabularia
  done clear
  B)
  Sea fan, Amoeba, E. coli
  done clear
  C)
  Sacchromyces, Acetabalaria, E. coli
  done clear
  D)
  Amoeba, Hydra, Sea fan
  done clear
  View Answer play_arrow

• question_answer108) Haploids can be best obtained by the culture of
  A)
  embryo               
  done clear
  B)
  shoot apex
  done clear
  C)
  root apex           
  done clear
  D)
  pollen grains
  done clear
  View Answer play_arrow

• question_answer109) Who is considered as father of experimental genetics?
  A)
  TH Morgan         
  done clear
  B)
  Strass Burgar
  done clear
  C)
  Mullar                  
  done clear
  D)
  CB Bridge
  done clear
  View Answer play_arrow

• question_answer110) Mutant strains of pink mould better known a Drosophila of plant kingdom was produced by     Beadle and Tatum with the help of
  A)
  gamma radiations           
  done clear
  B)
  X-rays
  done clear
  C)
  p-rays                  
  done clear
  D)
  UV-rays   
  done clear
  View Answer play_arrow

• question_answer111) Which one phytohormone acts as stress hormone?
  A)
  IAA                        
  done clear
  B)
  IBA
  done clear
  C)
  Abscisic acid                      
  done clear
  D)
  Synthetic auxin
  done clear
  View Answer play_arrow

• question_answer112) Myogeneic heart is characterstic feature of
  A)
  chordates
  done clear
  B)
  chordates including fishes
  done clear
  C)
  non-chordates like annelids and orthropods, and vertebrates
  done clear
  D)
  Mollusca and other vertebrates like man
  done clear
  View Answer play_arrow

• question_answer113) Organ of corti can be located in
  A)
  inner ear
  done clear
  B)
  middle ear
  done clear
  C)
  ear and respiratory chamber
  done clear
  D)
  heart and kidney
  done clear
  View Answer play_arrow

• question_answer114) Laurer's canal is characterstic feature of
  A)
  Taenia                  
  done clear
  B)
  Fasciola
  done clear
  C)
  Periplanta                          
  done clear
  D)
  Ascaris
  done clear
  View Answer play_arrow

• question_answer115) Water reabsorption in kidney is controlled by
  A)
  Aldosterone                      
  done clear
  B)
  GH
  done clear
  C)
  ADH                      
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer116) The rule of embryonic development was proposed by
  A)
  Earnest Haeckel               
  done clear
  B)
  Maheswari
  done clear
  C)
  Guha and Maheswari
  done clear
  D)
  Von Baer
  done clear
  View Answer play_arrow

• question_answer117) The limbless amphibian belong to order
  A)
  Gymnopheana 
  done clear
  B)
  Urodela
  done clear
  C)
  Anura                   
  done clear
  D)
  Prototheria
  done clear
  View Answer play_arrow

• question_answer118) Which of the following is/are flightless birds?
  A)
  Passer and Corvus                            
  done clear
  B)
  Struthio and Aptenodytes
  done clear
  C)
  Struthio only
  done clear
  D)
  Struthio and Pavo cristatus
  done clear
  View Answer play_arrow

• question_answer119) Metamorphosis takes place in
  A)
  Amoeba and lower organism
  done clear
  B)
  rabbit and frog          
  done clear
  C)
  frog and some arthropods
  done clear
  D)
  Amphibian only
  done clear
  View Answer play_arrow

• question_answer120) Obturator foramen is found in
  A)
   pectoral girdle of frog
  done clear
  B)
  pelvic girdle of frog
  done clear
  C)
  pectoral girdle of rabbit
  done clear
  D)
  pelvic girdle of rabbit
  done clear
  View Answer play_arrow

• question_answer121) Directions These questions consists of two statement each, printed as Assertion (A) and Reason (R). While answering these questions, you are required to choose any one of the following options. I. If both Assertion and Reason are true and Reason is correct explanation of assertion. II. If both Assertion and Reason are true but Reason is not correct explanation. II. If Assertion is true but Reason is false. IV. Both Assertion and Reason are false. Assertion (A) Indi criminate exploitation of economically important wild plants may lead to their extinction. Reason (R) Conservation of germplasm is responsible for extinction of species,
  A)
   I                                             
  done clear
  B)
  ll
  done clear
  C)
  lll                            
  done clear
  D)
  IV
  done clear
  View Answer play_arrow

• question_answer122) Directions These questions consists of two statement each, printed as Assertion (A) and Reason (R). While answering these questions, you are required to choose any one of the following options. I. If both Assertion and Reason are true and Reason is correct explanation of assertion. II. If both Assertion and Reason are true but Reason is not correct explanation. II. If Assertion is true but Reason is false. IV. Both Assertion and Reason are false. Assertion (A) Erythroblastosis fetalis is a disease related with Rh-factor and may cause death of foetus in mother. Reason (R) It cause massive distruction of foetal RBC that leads to anaemia and tissue damage of foetus.
  A)
  I                              
  done clear
  B)
  ll
  done clear
  C)
  III                           
  done clear
  D)
  IV                        
  done clear
  View Answer play_arrow

• question_answer123) Directions These questions consists of two statement each, printed as Assertion (A) and Reason (R). While answering these questions, you are required to choose any one of the following options. I. If both Assertion and Reason are true and Reason is correct explanation of assertion. II. If both Assertion and Reason are true but Reason is not correct explanation. II. If Assertion is true but Reason is false. IV. Both Assertion and Reason are false. Assertion (A) The tropical rain forest are rich in biodiversity on this biosphere. Reason (R) The low latitude humid tropics harbour the rain forest ecosystem.
  A)
  I                                              
  done clear
  B)
  ll
  done clear
  C)
  lll                                            
  done clear
  D)
  IV
  done clear
  View Answer play_arrow

• question_answer124) Directions These questions consists of two statement each, printed as Assertion (A) and Reason (R). While answering these questions, you are required to choose any one of the following options. I. If both Assertion and Reason are true and Reason is correct explanation of assertion. II. If both Assertion and Reason are true but Reason is not correct explanation. II. If Assertion is true but Reason is false. IV. Both Assertion and Reason are false. Assertion (A) The plasmalemma of animal cell typically have the oligosaciharides chains of their glycolipids and glycoproteins exposed freely on their surfaces. Reason (R) They play important roles in immunological responses in cell-cell adhesion and identification of cell surface changes.
  A)
  I                              
  done clear
  B)
  ll
  done clear
  C)
  III                           
  done clear
  D)
  IV
  done clear
  View Answer play_arrow

• question_answer125) Directions These questions consists of two statement each, printed as Assertion (A) and Reason (R). While answering these questions, you are required to choose any one of the following options. I. If both Assertion and Reason are true and Reason is correct explanation of assertion. II. If both Assertion and Reason are true but Reason is not correct explanation. II. If Assertion is true but Reason is false. IV. Both Assertion and Reason are false. Assertion (A) Central Tobacco Research Institute is situated at Rajhmundary (AP). Reason (R) This research institute mainly deals with wild and useful varieties in its research centre at Bangaluru (Karnatka).
  A)
  I                              
  done clear
  B)
  II         
  done clear
  C)
  III                           
  done clear
  D)
  IV
  done clear
  View Answer play_arrow

• question_answer126) Separation of linked genes is called
  A)
  crossing over                    
  done clear
  B)
  linkage
  done clear
  C)
  segregation                       
  done clear
  D)
  mutation
  done clear
  View Answer play_arrow

• question_answer127) Which one vitamin contain cobalt metal?
  A)
   Ascorbic acid                    
  done clear
  B)
  Tocopherol
  done clear
  C)
  Cynocobalamine             
  done clear
  D)
   Thiamine
  done clear
  View Answer play_arrow

• question_answer128) Pneumato phores the respiratory root are characterstic feature of
  A)
  Avicinia                
  done clear
  B)
  Sonneratia
  done clear
  C)
  Rhizophora                        
  done clear
  D)
  All of these
  done clear
  View Answer play_arrow

• question_answer129) Which one type of plastids contain oil as reserve food?
  A)
  Elaioplast           
  done clear
  B)
  Amyloplast
  done clear
  C)
  Chloroplast                        
  done clear
  D)
  Chromoplast
  done clear
  View Answer play_arrow

• question_answer130) Which elements are essential for photolysis of water during photosynthesis process?
  A)
  Mn and Mg                        
  done clear
  B)
  Mn and Cl
  done clear
  C)
  Mg and Ca          
  done clear
  D)
  P and Mg
  done clear
  View Answer play_arrow

• question_answer131) Gestation period of mouse is
  A)
  30-36 days                          
  done clear
  B)
  19-20 days
  done clear
  C)
  35-40 days                          
  done clear
  D)
  40-46 days
  done clear
  View Answer play_arrow

• question_answer132) Early blight desease of potato is caused by
  A)
  Phytopthora infestans
  done clear
  B)
  Fusarium
  done clear
  C)
  Alternaria solani              
  done clear
  D)
  Pythium                                  
  done clear
  View Answer play_arrow

• question_answer133) Cork, which is widely used in pharmaceutical industries, commercially obtained from
  A)
  Pinus-a gymnosperm
  done clear
  B)
  Acacia-an angiosperm
  done clear
  C)
  Quercus-a gymnosperm and cedrus, an angiosperm
  done clear
  D)
  Quercus-a angiosperm only
  done clear
  View Answer play_arrow

• question_answer134) Edible parts of apple and litchi are
  A)
  fleshy thalmus and aril
  done clear
  B)
  fleshy aril and thalamus
  done clear
  C)
  fleshy thalamus and mesocarp
  done clear
  D)
  pericarp and endocarp
  done clear
  View Answer play_arrow

• question_answer135) How many ascospores are found in an ascus?
  A)
  4                             
  done clear
  B)
  8
  done clear
  C)
  2                                             
  done clear
  D)
  6
  done clear
  View Answer play_arrow

• question_answer136) Botanical survey of India is situated at
  A)
   Lucknow (UP)                  
  done clear
  B)
  Mumbai (MH)
  done clear
  C)
  Kolkatta (WB)                   
  done clear
  D)
  Coimbatore (TN)
  done clear
  View Answer play_arrow

• question_answer137) Which one of the following is characterized with presence of and rogynophore?
  A)
  Nelumbiurn                       
  done clear
  B)
   Brassica
  done clear
  C)
  Helianthus                         
  done clear
  D)
  Gynandropsis
  done clear
  View Answer play_arrow

• question_answer138) Who propounded the theory one gene-one enzyme-one chemical reaction?   
  A)
  Beadle and Tatum          
  done clear
  B)
  CB Bridges
  done clear
  C)
  TH Morgan        
  done clear
  D)
  Abraham Trembley
  done clear
  View Answer play_arrow

• question_answer139) Formation of gametophyte from sporophyte without meiosis or spore formation is termed as
  A)
  apogamy            
  done clear
  B)
  apospory
  done clear
  C)
  parthenocarpy                 
  done clear
  D)
  amphimixis
  done clear
  View Answer play_arrow

• question_answer140) Prototheria have evolved from
  A)
  snakes                 
  done clear
  B)
  birds
  done clear
  C)
  reptiles                
  done clear
  D)
  metatheria
  done clear
  View Answer play_arrow

• question_answer141) Radial symmetry is exhibited by animals belong to phylum
  A)
  Echinodermata
  done clear
  B)
  Arthropoda and Mollusca
  done clear
  C)
  Coelenterata
  done clear
  D)
  Porifera, Coelenterata and Echinodermata
  done clear
  View Answer play_arrow

• question_answer142) In five kingdom classification all unicellular organisms, are placed in kingdom
  A)
  Protista                
  done clear
  B)
  Monera
  done clear
  C)
  Dinoflagellata   
  done clear
  D)
  First three kingdoms
  done clear
  View Answer play_arrow

• question_answer143) Gases responsible for green house effect are
  A)
  \[CFCs,C{{O}_{2}},\] oxides of nitrogen
  done clear
  B)
  \[C{{H}_{4}},C{{O}_{2}},\] oxides of nitrogen and sulphur
  done clear
  C)
  \[C{{O}_{2}}\]and oxides of nitrogen and sulphur
  done clear
  D)
  \[C{{O}_{2}},{{N}_{2}},C{{H}_{4}}\]and \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer144) The characterstic feature unanimously found in all mammals are
  A)
  give birth to younge ones
  done clear
  B)
  seven cervical vertebrae
  done clear
  C)
  ear pinna
  done clear
  D)
  four the codont canines teeth
  done clear
  View Answer play_arrow

• question_answer145) Swelling of house hold wooden item like door table and a log in open area during rainy season  is due to
  A)
  endosmosis                       
  done clear
  B)
  exosmosis
  done clear
  C)
  imbibition           
  done clear
  D)
  diffusion
  done clear
  View Answer play_arrow

• question_answer146) Which one pesticide is/are categorised as organophosphate?
  A)
  BHC and endosulphan
  done clear
  B)
  Aldrin and DDT
  done clear
  C)
  Malathion and BHC
  done clear
  D)
  Fenitrothion and malathion
  done clear
  View Answer play_arrow

• question_answer147) Quiescent center occurs in
  A)
  at the tip of root apex
  done clear
  B)
  at shoot apex
  done clear
  C)
  just below the tip of root apex
  done clear
  D)
  just below the tip of shoot apex
  done clear
  View Answer play_arrow

• question_answer148) A taxon is
  A)
  a group of related organism
  done clear
  B)
  a taxonomic group of any ranking
  done clear
  C)
  a group of related species
  done clear
  D)
  a group of related genus
  done clear
  View Answer play_arrow

• question_answer149) In case of test-tube babies
  A)
  egg is fertilised in the uterus
  done clear
  B)
  embryo complets it development in a test-tube
  done clear
  C)
  embryo is transplanted in utreus after some ime
  done clear
  D)
  egg is fertilised outside mother's body and, transplanted in uterus at 32-celled stage
  done clear
  View Answer play_arrow

• question_answer150) Which one of the following substances is used for preservation?               
  A)
  \[NaCl\]                              
  done clear
  B)
  \[C{{H}_{3}}COOH\]
  done clear
  C)
  Sodium benzoate           
  done clear
  D)
  \[KMn{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer151) Angora wool is obtained from
  A)
  sheep                                  
  done clear
  B)
  cat     
  done clear
  C)
  rabbit                   
  done clear
  D)
  goat
  done clear
  View Answer play_arrow

• question_answer152) The age of tree can be determined by its
  A)
  physical appearance
  done clear
  B)
  height                
  done clear
  C)
  growth rings                      
  done clear
  D)
  girth
  done clear
  View Answer play_arrow

• question_answer153) Fruit of this plant are found underground
  A)
  Carnot                 
  done clear
  B)
  onion                 
  done clear
  C)
  potato                 
  done clear
  D)
  groundnut
  done clear
  View Answer play_arrow

• question_answer154) Reserpine is used to
  A)
  reduce high blood pressure                     
  done clear
  B)
  increase blood pressure
  done clear
  C)
  allevate pain
  done clear
  D)
  cure arthritis
  done clear
  View Answer play_arrow

• question_answer155) ELISA test is used to diagnose
  A)
  Tuberculosis bacterium
  done clear
  B)
  AIDS antibodies
  done clear
  C)
  cancer
  done clear
  D)
  poliovirus
  done clear
  View Answer play_arrow

• question_answer156) Which one of the following is a female se hormone?
  A)
  Oxytocin            
  done clear
  B)
  Insulin
  done clear
  C)
  Estrogen             
  done clear
  D)
  Androgen
  done clear
  View Answer play_arrow

• question_answer157) Clove the commonly used spice is obtained from the parts of plant
  A)
  stem                     
  done clear
  B)
  flower bud
  done clear
  C)
  root                                      
  done clear
  D)
  fruit
  done clear
  View Answer play_arrow

• question_answer158) Maximum photosynthetic activity occur in
  A)
  green and yellow region of light
  done clear
  B)
  blue and orange region of light
  done clear
  C)
  violet and orange region of light
  done clear
  D)
  blue and red region of light
  done clear
  View Answer play_arrow

• question_answer159) AIDS virus has
  A)
  single stranded DNA
  done clear
  B)
  single stranded RNA
  done clear
  C)
  double stranded DNA
  done clear
  D)
  double stranded RNA
  done clear
  View Answer play_arrow

• question_answer160) Amniocentesis technique is used for
  A)
  determination of the amino acid sequence
  done clear
  B)
  inducing abortion
  done clear
  C)
  artificial insemination .
  done clear
  D)
  determination the health of foetus and diagnosing genetic and metabolic disease
  done clear
  View Answer play_arrow

• question_answer161) Red tide on the surface of ocean/sea is due to which protozoan/algae
  A)
  Giardia                 
  done clear
  B)
  Gonyaulax
  done clear
  C)
  Arcella                 
  done clear
  D)
  Ceratium
  done clear
  View Answer play_arrow

• question_answer162) Spicules made up of silica are found in
  A)
  Grantia                
  done clear
  B)
   Sycon
  done clear
  C)
  Hyalonema                        
  done clear
  D)
  Leucosolenia
  done clear
  View Answer play_arrow

• question_answer163) Loa-loa causes the disease
  A)
  anaemia             
  done clear
  B)
  delhi boils
  done clear
  C)
  kala-bazar                          
  done clear
  D)
  calabar
  done clear
  View Answer play_arrow

• question_answer164) Hymenolepis nana is commonly called as
  A)
  tapeworm of Dog           
  done clear
  B)
  tapeworm of pork
  done clear
  C)
  dwarf tapeworm             
  done clear
  D)
  beef tapeworm
  done clear
  View Answer play_arrow

• question_answer165) Tandoba National Park is situated in
  A)
  Madhya Pradesh             
  done clear
  B)
  Orissa
  done clear
  C)
  Andhra Pradesh              
  done clear
  D)
  Maharashtra
  done clear
  View Answer play_arrow

• question_answer166) Presence of notochord throughout the life and length of the body is a characterstic feature of
  A)
  Cephalochordata            
  done clear
  B)
  vertebrates
  done clear
  C)
  invertebrates                   
  done clear
  D)
  urochordates
  done clear
  View Answer play_arrow

• question_answer167) An inflorescence which contains gall flowers is
  A)
  cyathium           
  done clear
  B)
  hypanthoduim
  done clear
  C)
  capitulum          
  done clear
  D)
  verticillaster
  done clear
  View Answer play_arrow

• question_answer168) What is the  location/position  of the multilayered sterile tissue in the transverse section of a younge anther?
  A)
  Between the cells of sporogenous tissue
  done clear
  B)
  Between tapetum and sporogenous tissue
  done clear
  C)
  Between tapetum and endothecium
  done clear
  D)
  Between epidermis and endothecium
  done clear
  View Answer play_arrow

• question_answer169) The peroxisomal enzyme, responsible for conversion of glycolate to glyoxylate belong to the category of enzyme
  A)
  Isomerases                        
  done clear
  B)
  Lysacs
  done clear
  C)
  hydrolases                         
  done clear
  D)
  oxidoreductases
  done clear
  View Answer play_arrow

• question_answer170) The component of photosynthetic electron transport which is directly involved m transport of proton from stroma to lumen of thylakoid?
  A)
  Plastoquinone                  
  done clear
  B)
  Ferredoxin
  done clear
  C)
  Pheophytin                       
  done clear
  D)
  Plastocynin
  done clear
  View Answer play_arrow

• question_answer171) How many energy currency molecules are produced in electron transport from the reduced nicotinamide adenine dinucleotides generated in one turn of kreb cycle
  A)
  6                             
  done clear
  B)
  9      
  done clear
  C)
  12                          
  done clear
  D)
  3
  done clear
  View Answer play_arrow

• question_answer172) Match Column I with Column II.

  Column I	Column II
  a. Nucleosome	1. Coding sequence of eukaryotic chromosome
  b. Topoisomerase	2. Non-coding sequence of eukaryotic chromosome
  c. Okazaki fragments	3. Subunit of chromatin
  d. Operon reading frame	4. Breaks DNA at specific site
  e. Exon	5. Small DNA fragments formed on lagging strand during DNA replication
  f. Intron	6. Functional gene

   
  A)
  A-4     B-5     C-6     D-3      E-2     F-1
  done clear
  B)
  A-6     B-5     C-4     D-3      E-2     F-1
  done clear
  C)
  A-3     B-4     C-5     D-6      E-1     F-2
  done clear
  D)
  A-3     B-5     C-6     D-4      E-2     F-1
  done clear
  View Answer play_arrow

• question_answer173) Flovoured chickory powder is obtained from
  A)
  seeds of plant                                     
  done clear
  B)
  dried fruits of plant                                   
  done clear
  C)
  dried leaves and flowers of the plant
  done clear
  D)
  roots of plant
  done clear
  View Answer play_arrow

• question_answer174) Who tried first the embryo culture in flowering   plant?
  A)
  Guha and Maheshwari
  done clear
  B)
  Nitsch
  done clear
  C)
  White                        
  done clear
  D)
  Manning
  done clear
  View Answer play_arrow

• question_answer175) Fluidity of biomembrane can be observed by
  A)
  Fluorescence microscopy
  done clear
  B)
  phase contrast microscopy
  done clear
  C)
  tissue culture technique                            
  done clear
  D)
  electron microscope                                
  done clear
  View Answer play_arrow

• question_answer176) Severe Acute Respiratory Syndrome (SARS), a    fatal disease is caused by                      
  A)
  paramyxovirus                   
  done clear
  B)
  a variant of common cold virus (corona)  and (a)     
  done clear
  C)
  a variant of phneumoccus pneumonia
  done clear
  D)
  a variant of diplococcus pneumoiae
  done clear
  View Answer play_arrow

• question_answer177) During translation intiation in prokaryotes, a GTP molecule is needed in
  A)
  binding of 30 S subunits of ribosome with mRNA
  done clear
  B)
  association of 50 s subunits of ribosome with initiation complex
  done clear
  C)
  association of 30 S, mRNA with formyl-met-tRNA
  done clear
  D)
  formation of formyl-met-tRNA
  done clear
  View Answer play_arrow

• question_answer178) A bacteriophage contain A = 22%, T=28%, G = 20% and cytosine = 30% bases composition. What is the genetic material of bacterial virus?
  A)
  Double stranded DNA
  done clear
  B)
  Single stranded RNA
  done clear
  C)
  Double stranded RNA
  done clear
  D)
  Single stranded DNA
  done clear
  View Answer play_arrow

• question_answer179) Intron transcripts in heterogeneous nuclear RNA (hn RNA) are removed and exons transcripts joined together under direction of protein complexes, these complexes are
  A)
  Spliceosomes                   
  done clear
  B)
  endopeptidases         
  done clear
  C)
  cdk complex                      
  done clear
  D)
  polysomes
  done clear
  View Answer play_arrow

• question_answer180) The source of intoxicating beverage called 'Sake' is
  A)
  Arachis hypogea              
  done clear
  B)
  Oryza sativa
  done clear
  C)
  Mangifera indica             
  done clear
  D)
  Sorghum vulgare
  done clear
  View Answer play_arrow

• question_answer181) Medicine     for     curing     respiratory disorders/problems is obtained from
  A)
  Cannabis            
  done clear
  B)
  Eucalyptus
  done clear
  C)
  Ephedra             
  done clear
  D)
  Calotropis
  done clear
  View Answer play_arrow

• question_answer182) The outer face of outer membrane of Gram-negative bacteria having
  A)
  mycoic acid       
  done clear
  B)
  teichoic acid
  done clear
  C)
  lipopolysaccharides  
  done clear
  D)
  peptidoglycan
  done clear
  View Answer play_arrow

• question_answer183) Alfatoxin is produced by a
  A)
  puff and ball fungi    
  done clear
  B)
  sac fungi
  done clear
  C)
  bacteria               
  done clear
  D)
  viruses
  done clear
  View Answer play_arrow

• question_answer184) Protoplast of a plant cell are produced by treatment with
  A)
  pectinase                           
  done clear
  B)
  PEG
  done clear
  C)
  both pectinase and PEG
  done clear
  D)
  cellulase and hydrolase
  done clear
  View Answer play_arrow

• question_answer185) Processing of SCP generally involved removal of
  A)
  oils                        
  done clear
  B)
  carbohydrates
  done clear
  C)
  fats                       
  done clear
  D)
  nucleic acids
  done clear
  View Answer play_arrow

• question_answer186) Biodiesal is mostly produced by the plants of family
  A)
  Malvaceae                         
  done clear
  B)
  Camabinaceae
  done clear
  C)
  Euphorbiaceae                 
  done clear
  D)
  Myrtaceae
  done clear
  View Answer play_arrow

• question_answer187) Heat treatment applied to milk before distribution to stablise and make pathagen free is done at temperature
  A)
  100°C for 15 min              
  done clear
  B)
  70°C for 30 min
  done clear
  C)
  60°-65°C for 30 min   
  done clear
  D)
  75°C for 30 min
  done clear
  View Answer play_arrow

• question_answer188) The larvae of cockroach is known as
  A)
  maggot                
  done clear
  B)
  rhabdiform
  done clear
  C)
  nymph                 
  done clear
  D)
  caterpillar   
  done clear
  View Answer play_arrow

• question_answer189) The lock jaw is a pathological condition
  A)
  paralysis             
  done clear
  B)
  tetanus
  done clear
  C)
  poliomyletis                      
  done clear
  D)
  diphtheria
  done clear
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• question_answer190) Which is the most abundant enzyme in living world?   
  A)
  DNAase                               
  done clear
  B)
  RuBisCo
  done clear
  C)
  Zymase               
  done clear
  D)
  Invertase
  done clear
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• question_answer191) Both opposite  decussate  and opposite superposed type of phyllotaxy is seen in?
  A)
  Ixora                     
  done clear
  B)
  Quisqualis                   
  done clear
  C)
  Psidium               
  done clear
  D)
  Caiotropis
  done clear
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• question_answer192) The part of the chromosome beyond the secondary constriction is known as
  A)
  telomere           
  done clear
  B)
  centromere
  done clear
  C)
  chromomere                    
  done clear
  D)
  trebent
  done clear
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• question_answer193) Which one of the following is considered as an advanced floral feature
  A)
  Zygomorphy
  done clear
  B)
  Actinomorphy
  done clear
  C)
  Bisexuality and hypogyny
  done clear
  D)
  Apocarpy and actiromorphy
  done clear
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• question_answer194) The function of shell or Mehali's gland in Toenia is
  A)
  formation of embryophore
  done clear
  B)
  storage of sperm
  done clear
  C)
  production of vitalline cells
  done clear
  D)
  lubrication of utreus for passage of capsule
  done clear
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• question_answer195) Chicks of first two weeks in the brooder hoven are usually suceptile to one of the following.
  A)
  gamboora disease          
  done clear
  B)
  Ranikhet disease
  done clear
  C)
  fowl pox            
  done clear
  D)
  Marck disease
  done clear
  View Answer play_arrow

• question_answer196) Which one is a pribnow box'?
  A)
  5'-ATATTA-3?                     
  done clear
  B)
  5'-AATAAT - 3'
  done clear
  C)
  5'-TATAAT-3'                     
  done clear
  D)
  S'-TAATTA - 3'
  done clear
  View Answer play_arrow

• question_answer197) Graffian follicle contain
  A)
  Corpus albicans
  done clear
  B)
  oogonial cells
  done clear
  C)
  corpus luteum                      
  done clear
  D)
  theca interna and theca externa
  done clear
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• question_answer198) Angiotnsin-II, a protein are synthesised by liver function as
  A)
  enzyme                               
  done clear
  B)
  coenzyme
  done clear
  C)
  antibody                             
  done clear
  D)
  hormone
  done clear
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• question_answer199) Based on the experiments conducted by Bridges on fruitfly. The female sex of the organism is determined by the genes located on which chromosome?
  A)
  X            
  done clear
  B)
  Y
  done clear
  C)
  Autosomes                        
  done clear
  D)
  X and Y
  done clear
  View Answer play_arrow

• question_answer200) The correct chronogical sequence of eras is
  A)
  Coenozoic \[\to \]Proterozoic\[\to \]Mesozoic
  done clear
  B)
  Paleozoic\[\to \]Mesozoic\[\to \]Coenozoic
  done clear
  C)
  Paleozoic \[\to \]Archeozoic \[\to \]Coenozoic
  done clear
  D)
  Mesozoic\[\to \]Coenozoic\[\to \]Archeozoic
  done clear
  View Answer play_arrow