Solved papers for BHU PMT BHU PMT (Mains) Solved Paper-2006

done BHU PMT (Mains) Solved Paper-2006 Total Questions - 200

• question_answer1) A person walked up a stalled escalator in 90 s. When standing on the same escalator, now moving, he is carried up in 60 s. How much time would it take him to walk up the moving escalator?
  A)
   36s                                       
  done clear
  B)
   30s
  done clear
  C)
   60s                                       
  done clear
  D)
   26s
  done clear
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• question_answer2) From the top of a building a ball is dropped while another is thrown horizontally at the same time. Which ball will strike the ground first?
  A)
   First
  done clear
  B)
   Second
  done clear
  C)
   Both the balls reach the ground simultaneously
  done clear
  D)
   None of the above
  done clear
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• question_answer3) All ball of mass\[{{m}_{1}}\]collides elastically and head on with another ball of mass\[{{m}_{2}}\]initially at rest. In which of the following cases transfer of momentum will be maximum?
  A)
   \[{{m}_{1}}>{{m}_{2}}\]
  done clear
  B)
   \[{{m}_{1}}<{{m}_{2}}\]
  done clear
  C)
    \[{{m}_{1}}={{m}_{2}}\]
  done clear
  D)
   Cannot be predicted
  done clear
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• question_answer4) What is the maximum value of the force F such that the block shown in the arrangement does not move?
  A)
   20 N                                     
  done clear
  B)
   10 N
  done clear
  C)
   12 N                                     
  done clear
  D)
   15 N
  done clear
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• question_answer5) The radius of gyration of a slender rod of mass M and length L about an axis of rotation perpendicular to its length and passing through the centre is:
  A)
   \[\frac{L}{\sqrt{3}}\]                                     
  done clear
  B)
   \[\frac{L}{2}\]
  done clear
  C)
    \[\frac{L}{2\sqrt{3}}\]                 
  done clear
  D)
   \[\frac{2L}{\sqrt{3}}\]
  done clear
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• question_answer6) A double star system consists of two stars A and B, which have time period\[{{T}_{A}}\]and\[{{T}_{B}},\]radius\[{{R}_{A}}\]and\[{{R}_{B}}\]and mass\[{{M}_{A}}\]and\[{{M}_{B}}\]Then:
  A)
   if\[{{T}_{A}}>{{T}_{B}}\]then\[{{R}_{A}}>{{R}_{B}}\]
  done clear
  B)
   if\[{{T}_{A}}>{{T}_{B}}\]then\[{{M}_{A}}>{{M}_{B}}\]
  done clear
  C)
    \[{{\left( \frac{{{T}_{A}}}{{{T}_{B}}} \right)}^{2}}>{{\left( \frac{{{R}_{A}}}{{{R}_{B}}} \right)}^{3}}\]
  done clear
  D)
   \[{{T}_{A}}={{T}_{B}}\]
  done clear
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• question_answer7) The energy supplied to Kolkata by the state electricity board during an average November week day was 40 GWh. If this energy could be obtained by the conservation of matter, how much mass would have to be annihilated?
  A)
   1.6 g                                     
  done clear
  B)
   2.2 g
  done clear
  C)
   4.0 g                                     
  done clear
  D)
   1.6kg
  done clear
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• question_answer8) A simple pendulum has time period\[{{T}_{1}}\]. The point of suspension is now moved upward according to the relation\[y=k{{t}^{2}}(k=1\,m/{{s}^{2}})\]where y is the vertical displacement. The time period now becomes\[{{T}_{2}}\]. The ratio of\[\frac{T_{1}^{2}}{T_{2}^{2}}\]is: \[(g=10\,m/{{s}^{2}})\]
  A)
   \[\frac{6}{5}\]  
  done clear
  B)
    \[\frac{5}{6}\]
  done clear
  C)
   1                                            
  done clear
  D)
   \[\frac{4}{5}\]
  done clear
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• question_answer9) An ideal gas expands isothermally from a volume\[{{V}_{1}}\]and \[{{V}_{2}}\]and then compressed to original volume adiabatically. Initial pressure is\[{{P}_{1}}\]and final ressure is\[{{P}_{3}}\]The total work done is W. Then:
  A)
   \[{{P}_{3}}>{{P}_{1}},W>0\]
  done clear
  B)
   \[{{P}_{3}}>{{P}_{1}},W<0\]
  done clear
  C)
   \[{{P}_{3}}>{{P}_{1}},W<0\]
  done clear
  D)
   \[{{P}_{3}}={{P}_{1}},W=0\]
  done clear
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• question_answer10) A man on the ground finds that when he sees a jet plane just over his head, the sound is heard at an angle of\[30{}^\circ \]with the vertical from his left. If the velocity of sound is v, what is the velocity of the jet plane?
  A)
   \[v/2\]                                
  done clear
  B)
   \[2v\]
  done clear
  C)
   \[v=\frac{2}{\sqrt{3}}\]                
  done clear
  D)
   \[v\frac{\sqrt{3}}{2}\]
  done clear
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• question_answer11) A convex lens is in contact with concave lens. The magnitude of the ratio of their focal lengths is 2/3. Their equivalent focal length is 30 cm. What are their individual focal lengths?
  A)
  \[-75,\text{ }50\]             
  done clear
  B)
  \[-10,15\]
  done clear
  C)
   \[75,\text{ }50\]                             
  done clear
  D)
  \[-15,10\]
  done clear
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• question_answer12) Yellow light is used in a single slit diffraction experiment with slit width of 0.6 mm. If yellow light is replaced by X-rays, then the observed pattern will reveal:
  A)
   that the central maximum is narrower
  done clear
  B)
   more number of fringes
  done clear
  C)
    less number of fringes
  done clear
  D)
   no diffraction pattern
  done clear
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• question_answer13) Two conductors identical in shape and size but one of copper and the other of aluminium (which is less conducting), are both placed in an identical electric field. In which metal will more charge be induced?
  A)
   Copper
  done clear
  B)
   Aluminium
  done clear
  C)
   Same in both metals
  done clear
  D)
   No charge is induced
  done clear
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• question_answer14) The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions when a shunt of\[12\,\Omega \]is applied. What is the resistance of the galvanometer?
  A)
   \[24\,\,\Omega \]                                          
  done clear
  B)
  \[48\,\,\Omega \]
  done clear
  C)
   \[12\,\,\Omega \]                                          
  done clear
  D)
  \[36\,\,\Omega \]
  done clear
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• question_answer15) A rigid container with thermally insulated walls contains a coil of resistance\[100\,\,\Omega ,\] carrying current 1A. Change in internal energy after 5 min will be:
  A)
   zero                                     
  done clear
  B)
   10 kJ
  done clear
  C)
   20 kJ                                    
  done clear
  D)
   30 kJ
  done clear
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• question_answer16) If an electron is not deflected in passing through a certain region of space, then we can assure that:
  A)
   there is no electric field
  done clear
  B)
   there is no magnetic filed
  done clear
  C)
   both the fields may exist
  done clear
  D)
   none of the above
  done clear
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• question_answer17) A coil of inductance 8.4 mH and resistance\[6\text{ }\Omega \] is connected to a 12V battery. The current in the coil is 1 A at approximately the time:
  A)
   500s                                     
  done clear
  B)
   20s
  done clear
  C)
   35ms                                   
  done clear
  D)
   1ms
  done clear
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• question_answer18) The\[{{K}_{a}}\]X-ray emission line of tungsten occurs at\[\lambda =0.021\text{ }mm\]. The energy difference between K and L levels in this atom is about:
  A)
   0.51 MeV           
  done clear
  B)
   1.2 MeV
  done clear
  C)
   59 keV                                
  done clear
  D)
   13.6 eV
  done clear
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• question_answer19) A beam of electron is used in an YDSE experiment. The slit width is d. When the velocity of electron is increased, then:
  A)
   no interference is observed
  done clear
  B)
   fringe width increases
  done clear
  C)
   fringe width decreases
  done clear
  D)
   fringe width remains same
  done clear
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• question_answer20) A point object is placed at the centre of a glass sphere of radius 6 cm and refractive index 1.5. The distance of the virtual image from the surface of sphere is:
  A)
   2 cm                                     
  done clear
  B)
   4 cm
  done clear
  C)
   6 cm                                     
  done clear
  D)
   12 cm
  done clear
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• question_answer21) An electron of mass rug, initially at rest, moves through a certain distance in a unifrom electric field in time\[{{t}_{1}}\] A proton of mass\[{{m}_{p}},\]also, initially at rest, takes time\[{{t}_{2}}\] to move through an equal distance in this unifrom electric field. Neglecting the effect of gravity, the ratio\[{{t}_{2}}/{{t}_{1}}\]is nearly equal to:
  A)
   \[1\]                                    
  done clear
  B)
   \[{{({{m}_{p}}/{{m}_{e}})}^{1/2}}\]
  done clear
  C)
   \[{{({{m}_{e}}/{{m}_{p}})}^{1/2}}\]                       
  done clear
  D)
   \[1836\]
  done clear
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• question_answer22) If the atom\[_{100}F{{m}^{257}}\]follows the Bohr's model and the radius of\[_{100}F{{m}^{257}}\]is n times the Bohr radius, then find n:
  A)
   100                                       
  done clear
  B)
   200
  done clear
  C)
   4                                            
  done clear
  D)
   \[\frac{1}{4}\]
  done clear
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• question_answer23) p-n junction conducts when A and B are connected to the:
  A)
   positive and negative terminals of battery
  done clear
  B)
   negative and positive terminals of the battery
  done clear
  C)
   negative and positive terminals but the potential difference is large
  done clear
  D)
   none of the above
  done clear
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• question_answer24) Let rip and Hg be the numbers of holes and conduction   electrons   in   an   extrinsic semiconductor, then:
  A)
   \[{{n}_{p}}>{{n}_{e}}\]                
  done clear
  B)
   \[{{n}_{p}}={{n}_{e}}\]
  done clear
  C)
   \[{{n}_{p}}<{{n}_{e}}\]                
  done clear
  D)
   \[{{n}_{p}}\ne {{n}_{e}}\]
  done clear
  View Answer play_arrow

• question_answer25) The Boolean expression for the truth table given below is:

  A	B	Y
  0	0	1
  0	1	1
  1	0	1
  1	1	0

  A)
   \[Y=\overline{A}+\overline{B}\]             
  done clear
  B)
   \[Y=\overline{A+B}\]
  done clear
  C)
   \[Y=\overline{A}+B\]                   
  done clear
  D)
   \[Y=A.B\]
  done clear
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• question_answer26) A particle moves as such acceleration is given by\[\alpha =3\text{ }sin\text{ }4t,\] then: (1) the initial velocity of the particle must be zero (2) the acceleration of the particle becomes zero after each interval of \[\frac{\pi }{4}\] second (3) the particle comes at its initial position after sometime (4) the particle must move on a circular path
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer27) A reference frame attached to the earth: (1) cannot be an inertial frame because the earth is revolving round the sun (2) is an inertial frame by definition (3) is an inertial frame because Newton's laws are applicable in this frame (4) cannot be an inertial frame because the earth is rotating about its own axis
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer28) A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that: (1) its velocity is constant (2) its kinetic energy is constant (3) it moves in a circular path (4) its acceleration is constant
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer29) A solid sphere is in pure rolling   motion   on   an inclined surface having inclination\[\theta \]. Then: (1) friction will increase its angular velocity and decrease its linear velocity (2) if\[\theta \]decreases, friction will decrease (3) frictional force acting on sphere is \[f=\mu \] \[mg\cos \theta \] (4)\[f\]is dissipative force
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer30) A linear harmonic oscillator of force constant \[2\times {{10}^{6}}N/m\] and amplitude 0.01m has total mechanical energy of 160 J. its: (1) maximum potential energy is 100 J (2) maximum kinetic energy is 100 J (3) maximum potential energy is 160 J (4) maximum potential energy is zero
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer31) If a satellite orbits as close to the earth's surface as possible: (1) its time period of rotation is minimum (2) its speed is maximum (3) the total energy of the earth plus satellite system is minimum (4) the total energy of the earth plus satellite system is maximum
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer32) According to kinetic theory of gases, which one of the following statements are true? (1) Real gas behaves as ideal gas at high temperature and low pressure (2) Liquid state of ideal gas is impossible (3) At any temperature and pressure ideal gas obeys the Boyle's law and Charles? law (4) The molecules of real gas do not exert any force on each other
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer33) A liquid of density p comes out with a velocity v from a horizontal tube of area of cross-section A. The reaction force exerted by the liquid on the tube is F, then: (1) \[F\propto \rho \]                                     (2) \[F\propto A\] (3) \[F\propto {{v}^{2}}\]             (4) \[F\propto v\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer34) During the melting of slab of ice at 273 K at atmospheric pressure: (1) positive work is done by the ice-water system on the atmosphere (2) positive work is done on the ice-water system by the atmosphere (3) the internal energy of the ice-water system increases (4) the internal energy of the ice-water system decreases
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer35) Which of the following functions represent simple harmonic motion? (1) \[sin\text{ }2\text{ }\omega t\] (2) \[sin\text{ }2\omega t+2\text{ }cos\text{ }\omega t\] (3) \[si{{n}^{2}}\text{ }\omega t\] (4) \[sin\text{ }\omega t+cos\text{ }2\text{ }\omega t\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer36) A wave is represented by the equation \[y=A\sin (10\pi x+15\pi t+\pi /3)\] where\[x\]is in metres and t is in seconds. The expression represents: a wave  travelling in the positive \[x-\]direction with a velocity 1.5 m/s (2) a wave travelling in the negative \[x-\]direction with a velocity 1.5 m/s (3) a wave travelling in the negative \[x-\]direction with a wavelength 0.2 m (4) a wave travelling in the positive \[x-\]direction with a wavelength 0.2 m
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer37) A ray of light travelling in a transparent medium falls on a surface separating the medium from air at an angle of incidence\[45{}^\circ \]. The ray undergoes total internal reflection. If n is the refractive index of the medium with respect to air, select the possible value of n from the following: (1) 1.3                                   (2) 1.4 (3) 1.5                                   (4) 1.6
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer38) Three charged particles are collinear and are in equilibrium. Then: (1) all the charged particles cannot have the same polarity (2) all the charged particles have the same polarity (3) the equilibrium is stable (4) the equilibrium is unstable
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer39) When a potential difference is applied a cross the current passing through:  an insulator at 0 K is zero  a semiconductor at 0 K is zero  a p-n diode at 300 K is finite, if it is reverse biased (4) a metal at 0 K is finite
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer40) The charge flowing in a conductor varies with time as\[Q=at-b{{t}^{2}},\]then the current: (1) reaches a maximum and then decreases (2) falls to zero after \[t=a/2b\] (3) changes at the rate of\[(-2\text{ }b)\] (4) will remain constant
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer41) In See back series, antimony appears after bismuth. But in Sb-Bi thermocouple the current flows from: (1) Bi to Sb through hot junction (2) Bi to Sb through cold junction (3) Sb to Bi through hot junction (4) Sb to Bi through cold junction
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer42) Two electric bulbs rated 25 W, 220 V and 100 W, 200 V are connected in series across a 220 V source. The 25 W and 100 W bulbs now draw powers ?i and P^ respectively, then: (1) \[{{P}_{1}}=16W\]                     (2) \[{{P}_{1}}=4\,W\] (3) \[{{P}_{2}}=16\,W\]                 (4) \[{{P}_{2}}=4\,W\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer43) A proton moving with a constant velocity passes through a region of space without any change in its velocity. If£ and B represent the electric and magnetic fields respectively this region of space may have: (1) \[E=0,\text{ }B=0\]                   (2) \[E=0,\text{ }B\ne 0\] (3) \[E\ne 0,\text{ }B\ne 0\]        (4) \[E\ne 0,\text{ }B=0\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer44) The source of magnetic field is: (1) isolated magnetic pole (2) current loop (3) static electric charge (4) micrometer
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer45) A field line is shown in figure. This field cannot represent: (1) magnetic field (2) electrostatic field (3) gravitational field (4) induced electric field
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer46) In the Young's double slit experiment, the interference pattern is found to have an intensity ratio between bright and dark fringes as 9. This implies that: (1) the intensities at the screen due to the two slits are 4 units and 1 unit respectively (2) the intensities at the screen due to two slits are 5 units and 4 units respectively (3) the amplitude ratio is 3 (4) the amplitude ratio is 2
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer47) Let nip be the mass of proton,\[{{m}_{p}}\]the mass of neutron.\[{{M}_{1}}\]the mass of\[_{10}^{20}Ne\]nucleus and\[{{M}_{2}}\]the mass of\[_{20}^{40}Ca\]nucleus. Then:  \[{{M}_{2}}=2{{M}_{1}}\]                            \[{{M}_{2}}<2{{M}_{1}}\]  \[{{M}_{1}}<10({{m}_{n}}+{{m}_{p}})\] \[{{M}_{2}}<2{{M}_{1}}\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer48) The electron in a hydrogen atom makes a transition\[{{n}_{1}}\to {{n}_{2}},\]where\[{{n}_{1}}\]and\[{{n}_{2}}\]are the principal quantum numbers of two states. Assume the Bohr model to be valid. The time period of the electron in the initial state is eight times that in the final state. The possible values of\[{{n}_{1}}\]and\[{{n}_{2}}\]are: (1) \[{{n}_{1}}=4,\text{ }{{\text{n}}_{2}}=2\]       (2)\[{{n}_{1}}=8,\text{ }{{\text{n}}_{2}}=2\] (3) \[{{n}_{1}}=8,\text{ }{{\text{n}}_{2}}=1\]       (4) \[{{n}_{1}}=6,\text{ }{{\text{n}}_{2}}=3\]
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer49) Green light causes emission of photoelectrons from a surface, but not the yellow light. Emission of photoelectron will occur if the surface is illuminated by: (1) microwave                   (2) blue rays (3) ultraviolet rays           (4) infrared rays
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer50) A transistor is used in common emitter mode as an amplifier. Then: (1) the base-emitter junction is forward biased (2) the base-emitter junction is reverse biased (3) the input signal is connected in series with the voltage  applied  to  bias  the base-collector junction (4) the input signal is connected in series with the voltage applied to the base-emitter junction
  A)
   1 and 2 are correct
  done clear
  B)
   2 and 3 are correct
  done clear
  C)
   1 and 4 are correct
  done clear
  D)
   1, 2 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer51) Which of the following varies with change in temperature?
  A)
   Mole fraction  
  done clear
  B)
   Molality
  done clear
  C)
   % (w/w)                             
  done clear
  D)
   Formality
  done clear
  View Answer play_arrow

• question_answer52) When lead nitrate is heated it gives:
  A)
  \[N{{O}_{2}}\]                                  
  done clear
  B)
  \[NO\]
  done clear
  C)
   \[{{N}_{2}}{{O}_{5}}\]                                  
  done clear
  D)
  \[{{N}_{2}}O\]
  done clear
  View Answer play_arrow

• question_answer53) A radioactive substance decays to\[\frac{3}{4}\]th of its original value in 2h. The half-life of the substance is:
  A)
   60 min                                 
  done clear
  B)
   30 min
  done clear
  C)
   90 min                                 
  done clear
  D)
   15 min
  done clear
  View Answer play_arrow

• question_answer54) The equivalent weight of\[KMn{{O}_{4}}\]in alkaline medium is equal to:
  A)
   \[\frac{M}{3}\]                                
  done clear
  B)
  \[\frac{M}{5}\]
  done clear
  C)
    \[\frac{M}{2}\]                               
  done clear
  D)
  \[M\]
  done clear
  View Answer play_arrow

• question_answer55) Which of the following is paramagnetic?
  A)
  \[C{{u}^{2+}}\]                                 
  done clear
  B)
  \[A{{g}^{+}}\]
  done clear
  C)
   \[Z{{n}^{2+}}\]                                
  done clear
  D)
  \[A{{u}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer56) \[AgCl\]dissolves in\[N{{H}_{4}}OH\]due to the formation of:
  A)
   \[[Ag{{(N{{H}_{4}})}_{2}}]OH\]
  done clear
  B)
  \[[Ag{{(N{{H}_{3}})}_{2}}]OH\]
  done clear
  C)
   \[[Ag{{(N{{H}_{4}})}_{2}}]Cl\]   
  done clear
  D)
  \[[Ag{{(N{{H}_{3}})}_{2}}]Cl\]
  done clear
  View Answer play_arrow

• question_answer57) A compound of vanadium has a magnetic moment of 1.73 BM. What is the oxidation number of vanadium in the compound?
  A)
   +4                                         
  done clear
  B)
   +3
  done clear
  C)
   +2                                         
  done clear
  D)
   +1
  done clear
  View Answer play_arrow

• question_answer58) A polar compound has\[s{{p}^{2}}\]hybridisation. It is:
  A)
  \[Si{{F}_{4}}\]                                   
  done clear
  B)
  \[C{{H}_{4}}\]
  done clear
  C)
  \[B{{F}_{3}}\]                                    
  done clear
  D)
  \[{{H}_{2}}C{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer59) Which of the following is diamagnetic?
  A)
  \[[Ag{{(N{{H}_{4}})}_{2}}]OH\]                 
  done clear
  B)
   \[[Ag{{(N{{H}_{3}})}_{2}}]OH\]
  done clear
  C)
    \[[Ag{{(N{{H}_{4}})}_{2}}]Cl\]                  
  done clear
  D)
   \[[Ag{{(N{{H}_{3}})}_{2}}]Cl\]
  done clear
  View Answer play_arrow

• question_answer60) A bottle of dry ammonia and a bottle of dry hydrogen chloride connected through a long tube are opened simultaneously at both ends, the white ammonium chloride ring first formed will be:
  A)
   at the centre of tube
  done clear
  B)
   near the hydrogen chloride bottle
  done clear
  C)
    near the ammonia bottle
  done clear
  D)
   throughout the length of the tube
  done clear
  View Answer play_arrow

• question_answer61) With the help of which reaction cyclohexanone is converted into cyclohexane?
  A)
   Wurtz-Fittig reaction
  done clear
  B)
   Wolff-Kishner reduction
  done clear
  C)
   Tischenko reaction
  done clear
  D)
   Stephen's reaction
  done clear
  View Answer play_arrow

• question_answer62) Consider the chemical reaction: \[{{N}_{2}}(g)+3{{H}_{2}}(g)\xrightarrow{{}}2N{{H}_{3}}(g)\] The rate of this reaction can be expressed in terms of time derivative of concentration of \[{{N}_{2}}(g),{{H}_{2}}(g)\]or\[N{{H}_{3}}(g)\]. Identify the correct relationship amongst the rate expressions:
  A)
   \[rate=-\frac{d[{{N}_{2}}]}{dt}=-\frac{1}{3}\frac{d[{{H}_{2}}]}{dt}=\frac{1}{2}\frac{d[N{{H}_{3}}]}{dt}\]
  done clear
  B)
   \[rate=-\frac{d[{{N}_{2}}]}{dt}=-3\frac{d[{{H}_{2}}]}{dt}=2\frac{d[N{{H}_{3}}]}{dt}\]
  done clear
  C)
   \[rate=\frac{d[{{N}_{2}}]}{dt}=\frac{1}{3}\frac{d[{{H}_{2}}]}{dt}=\frac{1}{2}\frac{d[N{{H}_{3}}]}{dt}\]
  done clear
  D)
   \[rate=-\frac{d[{{N}_{2}}]}{dt}=-\frac{d[{{H}_{2}}]}{dt}=\frac{d[N{{H}_{3}}]}{dt}\]
  done clear
  View Answer play_arrow

• question_answer63) The\[\Delta {{G}^{o}}\]for the Daniell cell has been found to be\[-212.3\text{ }kJ\]at\[25{}^\circ C\]. Calculate the equilibrium constant for the cell reaction.
  A)
   \[11.64\times {{10}^{30}}\]        
  done clear
  B)
   \[1.64\times {{10}^{37}}\]
  done clear
  C)
   \[0.1064\times {{10}^{35}}\]     
  done clear
  D)
  \[21.64\times {{10}^{39}}\]
  done clear
  View Answer play_arrow

• question_answer64) What is\[[{{H}^{+}}]\]of a solution having 0.1M HCN and\[0.2M\text{ }NaCN\]? (\[{{K}_{a}}\]for\[HCN\text{ }=6.2\times {{10}^{-10}}\])
  A)
  \[3.1\times {{10}^{10}}\]                             
  done clear
  B)
  \[6.2\times {{10}^{5}}\]
  done clear
  C)
    \[6.2\times {{10}^{-10}}\]          
  done clear
  D)
  \[3.2\times {{10}^{-9}}\]
  done clear
  View Answer play_arrow

• question_answer65) Benadryl is used as:
  A)
   antiseptic          
  done clear
  B)
   disinfectant
  done clear
  C)
    analgesic           
  done clear
  D)
   antihistamine
  done clear
  View Answer play_arrow

• question_answer66) \[RCN\xrightarrow[reduction]{Na,{{C}_{2}}{{H}_{5}}OH}X\xrightarrow[{}]{HONO}Y\] In the above sequence Y is:
  A)
   \[RC{{H}_{2}}OH\]         
  done clear
  B)
  \[ROH\]
  done clear
  C)
                             
  done clear
  D)
   \[RCHO\]
  done clear
  View Answer play_arrow

• question_answer67) Azeotropic mixture of HCl and water has:
  A)
   80%\[HCl\]                        
  done clear
  B)
   20.2%\[HCl\]
  done clear
  C)
   60%\[HCl\]                        
  done clear
  D)
   40.8%\[HCl\]
  done clear
  View Answer play_arrow

• question_answer68) The molal freezing point constant for water is \[1.86{}^\circ C\]per mol therefore, the freezing point of\[0.1M\text{ }NaCl\] solution in water is expected to be:
  A)
   \[-1.86{}^\circ C\]                          
  done clear
  B)
   \[-0.186{}^\circ C\]
  done clear
  C)
   \[+0.372{}^\circ C\]                       
  done clear
  D)
   \[-0.372{}^\circ C\]
  done clear
  View Answer play_arrow

• question_answer69) The percentage by weight of hydrogen in \[{{C}_{2}}{{H}_{5}}OH\]is:
  A)
   20%                                      
  done clear
  B)
   23.08%
  done clear
  C)
   13.04%                                
  done clear
  D)
   10.15%
  done clear
  View Answer play_arrow

• question_answer70) Which molecule has dipole moment zero?
  A)
   \[{{H}_{2}}O\]                 
  done clear
  B)
   
  done clear
  C)
   \[\underset{H-C-Cl}{\overset{H-C-Cl}{\mathop{||}}}\,\]                            
  done clear
  D)
   \[C{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer71) The ratio between the root mean square velocity of\[{{H}_{2}}\]at 100 K and that of\[{{O}_{2}}\]at 1600 K is:
  A)
   \[1:\sqrt{2}\]                                   
  done clear
  B)
   \[\sqrt{2}:1\]
  done clear
  C)
   \[1:3\]                                 
  done clear
  D)
   \[2:1\]
  done clear
  View Answer play_arrow

• question_answer72) Real gas will approach the behaviour of an ideal gas at:
  A)
   low temperature and low pressure
  done clear
  B)
   high temperature and low pressure
  done clear
  C)
   high temperature and high pressure
  done clear
  D)
   the critical point
  done clear
  View Answer play_arrow

• question_answer73) 3 moles of ethanol react with one mole of phosphorus tribromide to form 3 moles of bromoethane and one mole of X. What is the X?
  A)
   \[{{H}_{3}}P{{O}_{2}}\]                                
  done clear
  B)
   \[{{H}_{3}}P{{O}_{4}}\]
  done clear
  C)
   \[HP{{O}_{3}}\]                               
  done clear
  D)
   \[{{H}_{3}}P{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer74) 0.45 g acid of molecular weight 90 was neutralise by 20 mL of 0.5N KOH. The basicity of the acid is:
  A)
   2                                            
  done clear
  B)
   4
  done clear
  C)
   1                                            
  done clear
  D)
   3
  done clear
  View Answer play_arrow

• question_answer75) The rate constant is given by the equation \[k=P.Z{{e}^{{\scriptstyle{}^{-E}/{}_{RT}}}}\]. Which factor should register a decrease for the reaction to proceed more rapidly?
  A)
   T                            
  done clear
  B)
   Z
  done clear
  C)
   E                                            
  done clear
  D)
   P
  done clear
  View Answer play_arrow

• question_answer76) Which of the following have the same mass? (1) 0.1 mol of\[S{{O}_{2}}\]gas (2)\[6.02\times {{10}^{22}}\]molecules of\[S{{O}_{2}}\]gas (3)\[1.204\times {{20}^{23}}\]molecules of\[{{O}_{2}}\]gas (4) 0.1 mol of\[{{O}_{3}}\]gas
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer77) The enthalpy change for the process \[C(graphite)\xrightarrow{{}}C(g)\]is called: (1) heat of vaporisation (2) heat of sublimation (3) heat of atomisation (4) heat of allotropic change
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer78) The   anodic   mud   obtained   during electrorefming of Cu contains: (1) \[Ag\]                             (2) \[Fe\]   (3) \[Au\]                            (4)\[Zn\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer79) \[s{{p}^{3}}\]-hybridization is found in the structure of: (1) \[C{{H}_{4}}\]                             (2)\[N{{H}_{3}}\] (3) \[{{H}_{2}}O\]                             (4)\[C{{O}_{2}}\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer80) Hydroxylamine reacts with: (1)\[C{{H}_{3}}COC{{H}_{3}}\]                    (2)\[C{{H}_{3}}COCl\] (3) \[{{C}_{6}}{{H}_{5}}Cl\]          (4)
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer81) The Cannizaro reaction is given by: (1)\[HCHO\]                                       (2) \[{{C}_{6}}{{H}_{5}}CHO\] (3) \[{{(C{{H}_{3}})}_{3}}CCHO\]               (4)\[C{{H}_{3}}CHO\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer82) Which compounds give the alkane with Grignard reagent? (1) \[{{H}_{2}}O\]                             (2) \[ROH\] (3) \[C{{H}_{3}}CN\]                       (4)\[ClCN\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer83) Which are natural polymer? (1) Cellulose                       (2) Protein (3) SBR                                  (4) PMMA
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer84) The compounds show the geometrical isomerism are: (1) (2) \[C{{H}_{3}}C{{H}_{2}}CH=CHC{{H}_{3}}\] (3) \[B{{r}_{2}}C=C{{H}_{2}}\] (4) \[ClHC=CHCl\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer85) Resolution can be done by: (1) mechanical method (2) biochemical method (3) chemical method (4) dialysis method
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer86) Aldehyde and ketone can be distinguished by: (1) Tollen's reagent         (2) Fehling's reagent (3) 2,4-DNP                         (4) \[NaHC{{O}_{3}}\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer87) Which elements can detect by flame test? (1) \[Na\]                           (2) \[Ca\] (3) \[Ba\]                             (4) \[Be\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer88) The raw material in Solvay process are: (1)\[NaCl\]                                          (2) \[CaC{{O}_{3}}\] (3)\[N{{H}_{4}}Cl\]                          (4)\[C{{O}_{2}}\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer89) Which are the acidic oxides? (1) \[C{{O}_{2}}\]                             (2)\[S{{O}_{2}}\] (3) \[MgO\]                                        (4)\[A{{l}_{2}}{{O}_{3}}\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer90) Monodentate ligands are: (1) \[{{H}_{2}}O\]                             (2) \[N{{H}_{3}}\] (3) EDTA                               (4) ethylene diamine
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer91) The greater stability of tert-butyl carbocation over methyl carbocation can be explained on the basis of: (1)\[+I\]effect of the methyl group (2) hyperconjugation effect of the methyl group (3) electromeric effect of the methyl group (4) \[-I\]effect of the methyl group
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer92) Isomorphic compounds are: (1) \[FeS{{O}_{4}}-7{{H}_{2}}O\]               (2) \[MnS{{O}_{4}}-4{{H}_{2}}O\] (3) \[ZnS{{O}_{4}}.7{{H}_{2}}O\]               (4)\[CaS{{O}_{4}}-2{{H}_{2}}O\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer93) Graphite is used: (1) in making electrodes (2) as lubricant (3) as crucible in lead pencil (4) in the manufacture of glass
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer94) Und group basic radicals are: (1) \[Pb\]                                             (2)\[Ba\] (3) \[Sb\]                             (4)\[Ni\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer95) Which are colligative properties? (1) Osmotic pressure (2) Pressure (3) Elevation in boiling point (4) Volume
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer96) Which salts undergo hydrolysis? (1)\[NaCl\]                          (2)\[C{{H}_{3}}COONa\] (3) \[KN{{O}_{3}}\]                          (4)\[N{{H}_{4}}Cl\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer97) An aromatic molecule should: (1) have \[(4n+2)\pi \]electrons (2) be planar (3) be cyclic (4) have\[4n\pi \]electrons
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer98) Which are sulphide ores? (1) Zinc blende                  (2) Galena (3) Cryolite                          (4) Rutile
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer99) Which elements/ions have same number of unpaired electrons? (1) \[F{{e}^{3+}}\]                           (2) \[Cr\] (3) \[C{{u}^{+}}\]                                             (4) \[V\]
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer100) Disaccharide sugars are: (1) maltose                         (2) glucose (3) sucrose                          (4) raffinose
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer101) Philadelphia chromosome is reported in patients suffering from:
  A)
   insomnia,                          
  done clear
  B)
   leukaemia
  done clear
  C)
   tuberculosis                     
  done clear
  D)
   hepatitis
  done clear
  View Answer play_arrow

• question_answer102) 'Sudan Black B' stain is used to stain :
  A)
   nucleic acid       
  done clear
  B)
   protein
  done clear
  C)
   polysaccnaride                
  done clear
  D)
   lipid
  done clear
  View Answer play_arrow

• question_answer103) Which one of the following said that cells originate from pre existing cells ?
  A)
   Virchow                             
  done clear
  B)
   Schleiden
  done clear
  C)
    Robert Hooke                 
  done clear
  D)
   Dujardin
  done clear
  View Answer play_arrow

• question_answer104) The desmosomes are concerned with :
  A)
   cell division       
  done clear
  B)
   cell adherence
  done clear
  C)
   cytolysis                             
  done clear
  D)
   cellular excretion
  done clear
  View Answer play_arrow

• question_answer105) Tectonic is the study of:
  A)
   volcanos                            
  done clear
  B)
   earth's crust
  done clear
  C)
   sand dunes                       
  done clear
  D)
   Sun
  done clear
  View Answer play_arrow

• question_answer106) Karyolymph is :
  A)
   nuclear                               
  done clear
  B)
   nuclear sap
  done clear
  C)
   spem membrane           
  done clear
  D)
   cell sap
  done clear
  View Answer play_arrow

• question_answer107) Terminalization is a process related with :
  A)
   diakinesis                          
  done clear
  B)
   cytokinesis
  done clear
  C)
   meiosis \[\text{II}\]                      
  done clear
  D)
   mitosis
  done clear
  View Answer play_arrow

• question_answer108) A bacteria divides every 35 minutes. If a culture containing 105 cells per mL is grown for 175 min. What will be the cell concentration per mL after 175 min?
  A)
  \[175\times {{10}^{5}}cells\]                      
  done clear
  B)
  \[32\times {{10}^{5}}cells\]
  done clear
  C)
   \[5\times {{10}^{5}}cells\]                          
  done clear
  D)
   \[35\times {{10}^{5}}cells\]
  done clear
  View Answer play_arrow

• question_answer109) Which malarial parasite has the longest incubation period ?
  A)
   Plasmodium vivax
  done clear
  B)
   Plasmodium ovale
  done clear
  C)
   Plasmodium falciparum
  done clear
  D)
   Plasmodium malariae
  done clear
  View Answer play_arrow

• question_answer110) Pathogen for french pox is :
  A)
   Variola                                
  done clear
  B)
   Rubeola
  done clear
  C)
   Treponema                      
  done clear
  D)
   Trachoma
  done clear
  View Answer play_arrow

• question_answer111) Camouflage of Chameleon is associated with:
  A)
   chromomere   
  done clear
  B)
   chromozone
  done clear
  C)
   chromoplast                     
  done clear
  D)
   chromatophore
  done clear
  View Answer play_arrow

• question_answer112) Stenson's duct is associated with:
  A)
   parotid gland   
  done clear
  B)
   cardi gland
  done clear
  C)
   thyroid gland   
  done clear
  D)
   mushroom gland
  done clear
  View Answer play_arrow

• question_answer113) The gland controlling egg production of moulting in insects :                       
  A)
   corpora cardiacum         
  done clear
  B)
   corpora allata
  done clear
  C)
   corpus callosum              
  done clear
  D)
   corpus luteum
  done clear
  View Answer play_arrow

• question_answer114) A woman showing extra Barr bodies in chromosome during amniocentesis is showing that the embryo is associated with :
  A)
   Klinefelter's syndrome
  done clear
  B)
   Edward's syndrome
  done clear
  C)
   Down's syndrome
  done clear
  D)
   Patau's syndrome
  done clear
  View Answer play_arrow

• question_answer115) Aflatoxins are produced by:
  A)
   Aspergillus flavus
  done clear
  B)
   Traponema
  done clear
  C)
   Vtasmodium
  done clear
  D)
   Penicillium chryosogenum
  done clear
  View Answer play_arrow

• question_answer116) Lethal gene of Drosophila is:
  A)
   curly wings (Cy)              
  done clear
  B)
   plum eyes (Pm)
  done clear
  C)
   stubbles (Sub)                 
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer117) Which of the following is viral disease?
  A)
   Diphtheria                         
  done clear
  B)
   Tuberculosis
  done clear
  C)
   Malaria                               
  done clear
  D)
   Smallpox
  done clear
  View Answer play_arrow

• question_answer118) Which of the following is not a plant product ?
  A)
   Flax                                      
  done clear
  B)
   Cotton
  done clear
  C)
   Hemp                                  
  done clear
  D)
   Silk
  done clear
  View Answer play_arrow

• question_answer119) In earthworm, self fertilization cannot occur due to :
  A)
   hypogyny                          
  done clear
  B)
   protogymy
  done clear
  C)
   protoandry                       
  done clear
  D)
   epigymy
  done clear
  View Answer play_arrow

• question_answer120) Chemoreceptor in Pila is :
  A)
   radula                                 
  done clear
  B)
   osphradium
  done clear
  C)
   ctenidum                           
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer121) Pounched mammals are known as :
  A)
   prototherians                  
  done clear
  B)
   metatherians
  done clear
  C)
   eutherians                        
  done clear
  D)
   therians
  done clear
  View Answer play_arrow

• question_answer122) Balbiani rings are found in :
  A)
   polysomes
  done clear
  B)
   polytene chromosomes
  done clear
  C)
   autosomes
  done clear
  D)
   non-sense chromosomes
  done clear
  View Answer play_arrow

• question_answer123) Immediately after ovulation, the mammalian egg is covered by a membrane called as:
  A)
   chhorion                            
  done clear
  B)
   corona radiate
  done clear
  C)
   zona pellucida                 
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer124) A disease in many Africans which reduces oxygen uptake by blood and is generic disease called:
  A)
   anaemia                             
  done clear
  B)
   haemophilia
  done clear
  C)
   pemecious anaemia     
  done clear
  D)
   sickle cell anaemia
  done clear
  View Answer play_arrow

• question_answer125) In cockroach, the ootheca is formed by the secretion of:
  A)
   phallic gland                     
  done clear
  B)
   mushroom gland
  done clear
  C)
   collaterial gland               
  done clear
  D)
   conglabate gland
  done clear
  View Answer play_arrow

• question_answer126) In the immune system of body: (1) only protein serve as immunogens for cell mediated immunity (2) lipids and nucleic acid do not serve as immunogens (3) immunogeniciry is an intrinsic property of a macromolecule (4) immune system recognises bacterial products and fungal parasites
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer127) The branches of trigeminal nerve are : (1) ophthalmic                   (2) mandibular (3) glossopharyngeal      (4) maxillary
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer128) Excessive secretion of somatotropin leads to a disorder called : (1) giantism                        (2) acromegaly (3) cretinism                                       (4) Addison's disease
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer129) LH in human female is : (1) fascilitates luteinisation of granulosa cells of ovulated follicle (2) called ovulation hormone (3) helps in milk eyection (4) activate Leydig's cell to secrete androgen
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer130) Correctly matched pairs are : (1) Clitoris?erectile   body   in   female homologous to glans penis of male (2) Sexual inter course?coirtus (3) Colostrum?secretion found in seminal fluid (4) Areola?pigmented circular area around the nipple
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer131) The organs which have duel origin form embryonic layers : (1) hypophysis                                  (2) adrenal gland (3) sense organs               (4) pancreas
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer132) Correctly matched pairs are : (1) Allopatric species?separated by distance barrier (2) Darwin's finches?unique to Galapagos island (3) Coacervates?aggregates of large complex organic compounds bound by a membrane (4) Species are not?Lamarckism immutable
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer133) Amniocentesis is a method to : (1) detect genetic disorder in an unborn baby (2) prenatal sex-determination (3) medical termination of pregnancy (4) fertilize the egg
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer134) Biomedical technique commonly used are : (1) Magneto?study of brain in health and encephalography disease (2) PET imaging?measurment of cerebral blood volume and flow rate (3) Nuclear induction method?discovered by Banting and Best (4) Tomography?treatment by radiation
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer135) Which one is correct ? (1) Modem    classification?based    on phylogeny (2) Artificial classification?Theophrasms (3) Biometry?study of geographical distribution of organisms (4) Natural classification?based on genetic and reproductive character
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer136) The larval forms of Taenia solium are : (1) Hexacanth                                    (2) bladder worm (3) miracidium                                   (4) cysticercus
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer137) The amphibians which show parental care : (1) Ptpa amencana          (2) Alytes obstetrecons (3) Ichthyopbis                  (4) Rana tigrina
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer138) The striated muscles are characterised that: (1) they are multinucleate and syncytial (2) sarcolemma is found over them (3) are found in pulmonary vein (4) jaw muscles are striated, voluntary and strongest
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer139) In the given statements: (1) fundic stomach is the site of digestion (2) cardiac glands are found in stomach (3) pepsinogen is secreted by paneth cells of crypts of lieberkuhn (4) gastric juice has pH 2.0
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer140) Identify the correctly matched pair : (1) Uremia-excessive ammount of urea in blood (2) Hyperglycemia?excess glucose in blood (3) Absence of factor-VIII?hemophilia (4) X-linked disorder?glycosuria
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer141) Among the given statement : (1) larynx is larger in human males than in females (2) the air tube in mammals is called trachea (3) bifurcation of trachea is called bronchi (4) sound producing organ of human female is syrinx
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer142) True statement about the respiratory process in human, is/are : (1) Human males use thoracic rib cage and dia phragm for breathing while females use only thoracic rib cage (2) In normal expiration the diaphragm is arched (3) High temperature of body promates accelerated breathing (4) The rate of respiration is slowest while eating food
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer143) Match list-I and list-II and select the correct answer using the code:

  S.No.	List-\[\text{I}\]	List-\[\text{II}\]
  	(Phase of meiosis)	(Event that occur)
  1.	Prophase-\[\text{I}\]	Crossing over occurs
  2.	Netaogase-\[\text{II}\]	Sister chromatids migrate to opposite poles
  3.	Abaogase-\[\text{I}\]	Homologous line up at equator in pairs

  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer144) Match list-I and list-II and select the correct answer using the code :

  S.No.	List-\[\text{I}\]	List-\[\text{II}\]
  1.	Microtubules	Structural component of cilia
  2.	Centrioles	Found in animal cell
  3.	Peroxisomes	Store oil protein and starch in plants

  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer145) Match list-I and list-II and select the answer using the code :

  S.No.	List-\[\text{I}\]	List-\[\text{II}\]
  	(Scientist)	(Discovery)
  1.	Frederick Griffith	Phenomenon of transformation
  2.	Gamow	A sequence of 3 nucleotide codes for a single amino acid
  3.	Frederick  Miescher	Isolated DNA for the fist time

  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer146) Linkage groups : (1) have genes which were linked together in a single chromosoems                (2) shows independent assortment      (3) do not show independent assortment (4) in prokaryotes are more than one
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer147) Glomerular filterate is : (1) formed continuously by the process of ultrafi Iteration occurring at malpighian corpuscles in which the blood cells and the colloidal macromolecues are not allowed to pass across the filtering surface (2) the lipid free fluid collected within the lumen of Bowman's capsule (3) the protein free fluid collected within the lumen of Bowman's capsule (4) formed by the process of selective reabsorption
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer148) Robert Hooke is:                      (1) father of Cytology (2) coined the term 'cell' (3) father of Physiology (4) father of Modem Genetics
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer149) Blood does not clot inside the vessels because : (1) constant speedy flow of blood prevents accumulation of fibrin threads, if at all formed (2) absence of heparin, an anticoagulant having an tithrombin activity, in blood (3) smoothness of the endothelial lining prevents  rupture  of platelets  and formation of thromboplasrin from them (4) presence of monomolecular layer of negatively charged protein adsorbed to the inner surface of endothetium which attracts the cloning factors
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer150) Which of the following conditions are responsible for sweating to occur? (1) increase of blood temperature due to excessive heat production in the body, e.g., vigorous muscular exercise (2) emotional conditions like fear, anger. anxiety, excitement, mental tension etc (3) during breathing distress and cardiac abnormal ties (4) during drinking
  A)
   1, 2 and 3 are correct
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
   1,2 and 4 are correct
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer151) Largest egg of plant kingdom belongs to:
  A)
   Cyau                                    
  done clear
  B)
   Pinus
  done clear
  C)
    Psidium                             
  done clear
  D)
   Mangifera
  done clear
  View Answer play_arrow

• question_answer152) Air spaces are present in:
  A)
   hydrophytes                    
  done clear
  B)
   xerophyies
  done clear
  C)
    mesophytes                    
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer153) Thick cuticle, sunken stomate are found in leaves of:
  A)
   hydrophytes                    
  done clear
  B)
   xerophytes
  done clear
  C)
    mesophytes                    
  done clear
  D)
   epiphytes
  done clear
  View Answer play_arrow

• question_answer154) Cyanide resistant respiration is characteristic of:
  A)
   viruses                                
  done clear
  B)
   bacteria
  done clear
  C)
  plants                                   
  done clear
  D)
   animals
  done clear
  View Answer play_arrow

• question_answer155) Which can function as carrier in active ion absorption ?
  A)
   Feradoxin                          
  done clear
  B)
   Plastoquinone
  done clear
  C)
    Cytochrome                                    
  done clear
  D)
   Lecithin
  done clear
  View Answer play_arrow

• question_answer156) In germinating castor seed the RQ is :
  A)
   one                                      
  done clear
  B)
   more than one
  done clear
  C)
   less than one                   
  done clear
  D)
   infinite
  done clear
  View Answer play_arrow

• question_answer157) The factor influencing process of flowerings is:
  A)
   amount of chlorophyll
  done clear
  B)
   soil water
  done clear
  C)
    soil pH
  done clear
  D)
   photoperiod
  done clear
  View Answer play_arrow

• question_answer158) The storage pathogen of rice is :
  A)
   Xanlhomanas oryzae
  done clear
  B)
   Helminthosporiiim oryzae
  done clear
  C)
    Pyricularia oryzae
  done clear
  D)
   Calanoluca ory-zae
  done clear
  View Answer play_arrow

• question_answer159) The study of interrelationship between species and its environment of a forest is called :
  A)
   Autecology                       
  done clear
  B)
   Syneocology
  done clear
  C)
   Forest ecology                
  done clear
  D)
   Co-operation
  done clear
  View Answer play_arrow

• question_answer160) In moss, the middle sterile pan of capsule is called :
  A)
   foot                                     
  done clear
  B)
   protonema
  done clear
  C)
   columella                           
  done clear
  D)
   spore sac
  done clear
  View Answer play_arrow

• question_answer161) In fern, vascular bundles are :
  A)
   radial                                   
  done clear
  B)
   hadrocentric
  done clear
  C)
   open                                   
  done clear
  D)
   leptocentric
  done clear
  View Answer play_arrow

• question_answer162) Leptome is used for :
  A)
   phloem                              
  done clear
  B)
   xylem
  done clear
  C)
    fibres                                 
  done clear
  D)
   parenchyma
  done clear
  View Answer play_arrow

• question_answer163) In angiosperm, triple fusion is necessary for the formation of:
  A)
   embryo                              
  done clear
  B)
   pollen
  done clear
  C)
   endosperm                      
  done clear
  D)
   leaf
  done clear
  View Answer play_arrow

• question_answer164) Colchicine prevents the spindle formation during :
  A)
   prophase                           
  done clear
  B)
   mecaphase
  done clear
  C)
   anaphase                          
  done clear
  D)
   telophase
  done clear
  View Answer play_arrow

• question_answer165) Raphides are the crystals of :
  A)
   calcium oxalate
  done clear
  B)
   calcium
  done clear
  C)
    calcium phosphate
  done clear
  D)
   calcium carbonate
  done clear
  View Answer play_arrow

• question_answer166) The shade of a tree is cooler than the shade of a roof due to :
  A)
   respiration                        
  done clear
  B)
   photosynthesis
  done clear
  C)
   transpiration                    
  done clear
  D)
   guttation
  done clear
  View Answer play_arrow

• question_answer167) Which of the following shows heterothallism?
  A)
   Rhizopus                            
  done clear
  B)
   Cycas
  done clear
  C)
   Bacterium                         
  done clear
  D)
   Ricinus
  done clear
  View Answer play_arrow

• question_answer168) Casparian strips are found in :
  A)
   periderm                           
  done clear
  B)
   epidermis
  done clear
  C)
   endodermis                     
  done clear
  D)
   hypodermis
  done clear
  View Answer play_arrow

• question_answer169) The process through which the amount of DNA RNA and protein can be known at a time is called :
  A)
   Autoradiography
  done clear
  B)
   Tissue culture
  done clear
  C)
    Cellular fractioning
  done clear
  D)
   Phase contrast microscopy
  done clear
  View Answer play_arrow

• question_answer170) The formation of multivalents at meiosis in diploid organism is due to :
  A)
   monosomy
  done clear
  B)
   detection
  done clear
  C)
   inversion
  done clear
  D)
   reciprocal translocation
  done clear
  View Answer play_arrow

• question_answer171) The trees occurring in two stories is the characteristic feature of:
  A)
   temperate deciduous forest
  done clear
  B)
   tropical savannah
  done clear
  C)
   grassland
  done clear
  D)
   coniferous forest
  done clear
  View Answer play_arrow

• question_answer172) A mature ligule, having prominent basal portion is called :
  A)
   glossopodium                  
  done clear
  B)
   rhizophore
  done clear
  C)
   trichome                            
  done clear
  D)
   none of these
  done clear
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• question_answer173) Honnogonia are vegetative reproductive structure of:
  A)
   Spirogyra                           
  done clear
  B)
   Ulothrix
  done clear
  C)
   Oscillatoria        
  done clear
  D)
   Yeast
  done clear
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• question_answer174) Which division of fungi includes 'club fungi?
  A)
   Zygomycota    
  done clear
  B)
   Ascomycota
  done clear
  C)
   Deuteromycota              
  done clear
  D)
   Basidiomycota
  done clear
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• question_answer175) The hypogeal germination is found in :
  A)
   bean                                    
  done clear
  B)
   maize
  done clear
  C)
   rhizophora                        
  done clear
  D)
   cucurbita
  done clear
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• question_answer176) Which of following matched correctly? (1) Piper?Climbing root (2) Ficus?Climbing root (3) Buttress root?Bombax (4) Vttis?Nodulated root
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer177) Select the correct statement: (1) \[{{C}_{4}}\]pathway for \[C{{O}_{2}}\]fixation were discovered        by Hatch and Slack (2) \[C{{O}_{2}}\]is essential for photosynthesis (3) Addition of sodium carbonate in water retards photosynthetic rate in vallisneria (4) Phloem is the principal pathway for translocation of solutes
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer178) Select the correct statement: (1) Lenticel is the exit route for transpiration (2) The action spectra of transpiration is blue and red (3) Transpiration helps the plant to remain cool (4) Transpiration can be measured by photometer
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer179) The seeds which have separate endosperm: (1) maize                             (2) onion (3) rice                                  (4) bean
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer180) Which of the following statement is correct? (1) The causal organism for foolish seedling disease is the source of gibberellin (2) Abscisic acid is a growth promoter (3) The ratio of auxin: cytokinin control cell differentiation (4) Bolting of cabbage can be induced by treatment with \[\text{IAA}\]
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer181) Principal source of antibiotic is/are : (1) Streptomyces             (2) Micromonospora (3) Rhizopus                                       (4) Nocardia
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer182) With reference to plant tissue culture select the matching pair : (1) Sterile triploid?banana and seedless fruit (2) Somaclonal variations ? differences appearing (3) Embryoids ? non-zygatic embryo produced from somatic cells (4) Pulses?belong to cruciferae
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer183) Opium alkaloids are : (1) codeine                         (2)diethyllysergic acid (3) morphine                                     (4) saffron
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer184) In the bacteria : (1) mesosome is present (2) nucleoid represents the genome (3) ribosomes are found in cytoplasm (4) histone proteins complexed with DNA
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer185) Consider the following statements : (1) cucurbits are monoecious plant (2) in mango, neuter, male and female and female flowers occur together (3) legumenous plants show unisexuality (4) oblique septa is found in Rosaceae
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer186) Consider the following statement: (1) In plant cells, cytokinesis start with the formation of the phragmoplast (2) Phragmoplast comprises inirazonal microcubules and Golgi vesicles (3) Primary cell wall is produced by microtubules (4) Phragmoplast is formed by nucleus
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer187) Consider the following statements : The genetic code said to be degenerate and universal which means that, (1) amino acids may have more than one codon (2) all amino acids have more than one codon (3) codons are common for higher and lower organism (4) codons are not found in bacteria
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer188) Which of the following pairs are correctly matched? (1) 700 nm?Photosystem\[\text{-I}\] (2) 650 nm?Photosystem\[\text{-II}\] (3) 690 nm?Photosystem\[\text{-II}\] (4) 620 nm?Phycocyanin
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer189) Consider the following statements: (1) Copper is present in cytochrome oxidane (2) Pantothenic acid is the precursor of co-enzyme-A (3) Thiamine pyprophosphate is the prosthetic group in decarboxylases (4) Zinc is present in RNA and DNA polymerases
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer190) Which of the following pairs are correctly matched? (1) Fertile spike?Ophioglossum (2) Sporangiophore?Equisetum (3) Synangium?Psilotum             (4) Apophysis?Spirogyra
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer191) Consider the following statements : Marchantia polymorpha (1) is dioecious (2) possesses antheridiophores and archegoniophores (3) lacks foot and seta in its sporophyte (4) is heterosporous
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer192) Which of the following are true archaebacteria? (1) Extreme halophiles (2) Extreme thermophyles (3) Meihanogens (4) Presence of pephdogtycan cell wall
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer193) Which of the following are endangered plants? (1) Saintpaulia ionantha (2) CeracozamiG hildae (3) Punica granarum (4) Senecio hadrasomum
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer194) Consider the following statement: The ex situ conservation of generic resources can be done through : (1) tissue culture practices (2) maintenance of sanctuaries (3) the establishment of germplasm banks (4) the establishment of national parks
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer195) Consider the following regions of India : (1) Eastern Himalaya       (2) Eastern Ghats (3) Western Ghats           (4) Western Himalaya
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer196) Consider the following statements associated with the germination of an angiospermous seed: (1) as the seed gets hydrated and germinates, enzymatic activity is increased (2) the respiration rate of the germinating seed increases along with the increased enzymatic activity (3) the increase in the respiratory rate continues till senescence (4) rate of enzymatic activity decreases
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer197) Consider the following statements: (1) the seed of pea is exalbuminous (2) the fruit of peach is drupe (3) the seed of tomato is albuminous (4) the fruit of coconut is berry
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer198) Consider the following statements : (1) cutin is a fatty acid polymer (2) starch is a fatty acid polymer (3) sucrose is monosaccharide (4) maltose is polymer of fructose
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer199) Match list\[\text{-I}\] and list\[\text{-II}\] and select the correct answer using the code

  S. No.	List\[\text{-I}\] (Enzyme)	List\[\text{-II}\] (Enzyme function)
  1.	Ligase	Joins short segment of DNA together
  2.	DNA Polymerase	Cuts DNA at specific DNA sequence
  3.	Helicase	Breaks the hydrogen bonds between complementary pairs during DNA replication

  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow

• question_answer200) Calvin cycle is : (1) \[{{C}_{3}}\]cycle (2) reductive pentose -phosphate cycle (3) common in cereals (4) uncommon in cereals
  A)
   1, 2 and 3 are correct    
  done clear
  B)
   1 and 2 are correct
  done clear
  C)
    1, 2 and 4 are correct   
  done clear
  D)
   1 and 3 are correct
  done clear
  View Answer play_arrow