Solved papers for BHU PMT BHU PMT (Mains) Solved Paper-2011

done BHU PMT (Mains) Solved Paper-2011 Total Questions - 200

  • question_answer1) The temperature at which the velocity of oxygen will be half of that of hydrogen at NTP is

    A)
    \[1092{}^\circ C\]            

    B)
     \[1492{}^\circ C\]

    C)
    \[273K\]                              

    D)
     \[819{}^\circ C\]

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  • question_answer2) According to Debye's \[{{T}^{3}}\]law, the specific heat of many solids at low temperature T vanes acceding to the relation \[C=2{{T}^{3}},\]where a is constant. The heat energy required to raise the temperature of 4kg mass from \[T=1\]to\[T=3K\]

    A)
    \[208\text{ }\alpha \]                    

    B)
    \[20\text{ }\alpha \]

    C)
    \[80\text{ }\alpha \]                      

    D)
    \[\text{8 }\alpha \]

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  • question_answer3) The work done in turning a magnet of magnetic moment M by an angle of 900 from the meridian is n times the corresponding work done to turn it through an angle of\[60{}^\circ \]

    A)
     \[n=\frac{1}{2}\]                            

    B)
     \[n=2\]

    C)
     \[n=\frac{1}{4}\]                            

    D)
    \[n=1\]

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  • question_answer4) If M is the mass of rocket, r is rate of ejection of gases and u is velocity of gases with respect to rocket, then acceleration of the rocket\[\frac{dv}{dt}\]is equal to

    A)
     \[\frac{ru}{(M-rt)}\]                     

    B)
     \[\frac{(M-rt)}{ru}\]

    C)
     \[\frac{ru}{(M-rt)}\]                     

    D)
     \[\frac{ru}{M}\]

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  • question_answer5) 5 beat/s are produced on blowing together two closed organ pipes of same diameter but of different lengths. If shorter pipes is of 10 cm length and speed of sound m air is 300 m/s, length of other pipe is

    A)
     10.06 cm            

    B)
     11.22 cm

    C)
     16 cm                                  

    D)
     14 cm

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  • question_answer6) Two resistors\[400\,\Omega \]and\[800\,\Omega \]are connected in series with a 6V battery. The potential difference measured by voltmeter of\[10\,\Omega \]across\[400\,\Omega \]resistor is

    A)
     2V                         

    B)
     1.95V

    C)
     3.8V                     

    D)
     4V

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  • question_answer7) A physical quantity x is represented by\[x={{M}^{a}}{{L}^{b}}{{T}^{-c}}\]and the maximum percentage error in measurement M, L and T are \[\alpha ,\beta \] and \[\gamma \]respectively,  then  the  total  maximum percentage error in\[x\]is

    A)
    \[(\alpha a+\beta b-\gamma c)%\]         

    B)
     \[(\alpha a+\beta b+\gamma c)%\]

    C)
     \[(\alpha a-\beta b-\gamma c)%\]         

    D)
     None of these

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  • question_answer8) The four capacitors, each of\[25\text{ }\mu F\]are connected as shown in figure. The DC voltmeter reads 200 V. The charge on each plate of the capacitor is

    A)
     \[\pm 2\times {{10}^{-3}}C\]                    

    B)
    \[\pm 5\times {{10}^{-3}}C\]

    C)
     \[\pm 2\times {{10}^{-2}}C\]                    

    D)
    \[\pm 5\times {{10}^{-2}}C\]

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  • question_answer9) In the uranium radioactive series, the initial nucleus is\[_{92}{{U}^{238}}\] and that the final nucleus is \[_{82}P{{b}^{206}}\]When uranium nucleus decays to lead, the number of \[\text{ }\!\!\alpha\!\!\text{ -}\]particles and \[\beta -\]particles emitted are

    A)
     \[8\alpha ,6\beta \]                                      

    B)
     \[6\alpha ,7\beta \]

    C)
     \[6\alpha ,8\beta \]                                      

    D)
    \[4\alpha ,3\beta \]

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  • question_answer10) A bullet is fired from a gun. The force on the bullet is given by\[F=600-2\times {{10}^{5}}t,\]where F is in newton and t is in second. The force on the bullet becomes zero as soon as it leaves the barrel. What is the average impulse imparted to the bullet?

    A)
     9Ns                                      

    B)
     Zero

    C)
     0.9 Ns                  

    D)
     1.8 Ns

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  • question_answer11) Forces 5 N, 12 N and 13 N are in equilibrium. If\[sin\text{ }23{}^\circ =\frac{5}{13},\]the angle between 5 N force and 13 N force is

    A)
     \[23{}^\circ \]                                  

    B)
     \[67{}^\circ \]   

    C)
     \[90{}^\circ \]                                  

    D)
    \[113{}^\circ \]

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  • question_answer12) The speed of earth's rotation about its axis is co. Its speed increases to\[x\]times to make effective acceleration due to gravity equal to zero at the equator,\[x\]is

    A)
     1                                            

    B)
     8.5

    C)
     17                                         

    D)
     34

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  • question_answer13) Heat absorbed by a mass of 1 g of helium, when its temperature rises from\[11{}^\circ C\]to \[131{}^\circ C\]at constant volume, is H. Heat absorbed by 7 g of nitrogen, when its temperature rises from\[11{}^\circ C\]to\[71{}^\circ C\]at constant volume, is\[{{H}_{N}}\]. The ratio of H to\[{{H}_{N}}\] is

    A)
    \[\frac{3}{2}\]                                   

    B)
     \[\frac{4}{3}\]

    C)
     \[\frac{6}{5}\]  

    D)
     \[\frac{8}{7}\]  

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  • question_answer14) Given  that   1 kg  of  copper  contains approximately\[{{10}^{25}}\]atoms, and density of copper is\[9\times {{10}^{3}}kg/{{m}^{3}}\]. A rough estimate of the diameter of copper atom is

    A)
    \[2\times {{10}^{-12}}m\]           

    B)
    \[2\times {{10}^{-10}}m\]

    C)
     \[2\times {{10}^{-14}}m\]          

    D)
    \[2\times {{10}^{-7}}m\]

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  • question_answer15) In a simple pendulum the breaking strength of the string is double the weight of the bob. The bob is released from rest when the string is horizontal. The string breaks when it makes an angle\[\theta \]With the vertical

    A)
     \[\theta ={{\cos }^{-1}}\left( \frac{1}{3} \right)\]             

    B)
     \[\theta ={{\cos }^{-1}}\left( \frac{2}{3} \right)\]

    C)
     \[\theta ={{60}^{o}}\]                  

    D)
    \[\theta =zero\]

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  • question_answer16) Figure shows four\[p-V\]diagram for the given sample of gas. In which case no exchange of heat occurs with the sample?

    A)
     P                                           

    B)
     Q

    C)
     R                                           

    D)
     S

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  • question_answer17) The displacement\[x\]of a body varies with time as \[x=-\frac{1}{3}{{t}^{2}}+16t+3\] where\[x\]is in metre and t in second. The time taken by the body to come to rest is

    A)
     12s                                       

    B)
     24s

    C)
     30s                                       

    D)
     36s

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  • question_answer18) Two pendulums of lengths 100 cm and 121 cm start vibrating. At some instant the two are at the mean position in the same phase. After how many vibrations of the longer pendulum will the two be in the same phase at the mean position again?

    A)
     10    

    B)
     11

    C)
     20                                         

    D)
     21

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  • question_answer19) A dip needle lies initially in the magnetic meridian when it shows an angle of dip\[\theta \]at a place. The dip circle is rotated through an angle\[x\]in the vertical plane and then it shows an angle of dip\[\theta '\].Then\[\frac{\tan \theta '}{\tan \theta }\]is

    A)
     \[\frac{1}{\cos x}\]                        

    B)
     \[\frac{1}{\sin x}\]

    C)
     \[\frac{1}{\tan x}\]                        

    D)
     \[\cos x\]

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  • question_answer20) Two masses of 10 kg and 20 kg respectively are tied together by a massless spring. A force of 200 N is applied on a 20 kg mass as shown in figure. At the instant shown the acceleration of 10 kg mass is\[12\text{ }m/{{s}^{2}},\] the acceleration of 20 kg mass is

    A)
     zero                                     

    B)
    \[10\text{ }m/{{s}^{2}}\]

    C)
     \[4\text{ }m/{{s}^{2}}\]               

    D)
    \[12\text{ }m/{{s}^{2}}\]

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  • question_answer21) Two closed organ pipes A and B have the same length, A is wider than B. They resonate in the fundamental made at frequencies\[{{n}_{A}}\]and\[{{n}_{B}}\]respectively

    A)
     \[{{n}_{A}}={{n}_{B}}\]                

    B)
     \[{{n}_{A}}>{{n}_{B}}\]

    C)
     \[{{n}_{A}}<{{n}_{B}}\]

    D)
     either  or  depending on the ratio of their diameters

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  • question_answer22) Shown below is a distribution of charges. The flux of electric field due to these charges through the surface is

    A)
     \[\frac{3q}{{{\varepsilon }_{0}}}\]                                          

    B)
     zero

    C)
     \[\frac{2q}{{{\varepsilon }_{0}}}\]                                          

    D)
     \[\frac{q}{{{\varepsilon }_{0}}}\]

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  • question_answer23) Two waves each of frequency 540 Hz travel at a speed of 330 m/s. If the source are in phase, in the beginning, the phase difference of the waves at a point 4 m from one source and 4.4 m from the other is

    A)
     \[59{}^\circ \]                                  

    B)
    \[118{}^\circ \]

    C)
     \[177{}^\circ \]                                

    D)
    \[236{}^\circ \]

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  • question_answer24) An astronomical telescope has an eye-piece of focal length 5 cm. If the angular magnification in normal adjustment is 10, the distance between the objective and the eye-piece in cm is

    A)
     2                                            

    B)
     45   

    C)
     50                                         

    D)
     55

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  • question_answer25) A fuse wire with a circular cross-section and having diameter of 0.4 mm blows with a current of 3 A. The value of current for which another fuse wire made of the same material but having circular cross-section with diameter of 0.6 mm will blow is

    A)
     3 A                                        

    B)
     \[3\times \sqrt{\frac{3}{2}}A\]

    C)
      \[3\times {{\left( \frac{3}{2} \right)}^{3/2}}A\]                

    D)
     \[3\times \frac{3}{2}A\]

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  • question_answer26) In an AC circuit the power factor (1) is unity when the circuit contain's as ideal resistance only (2) is zero when the circuit contain's an ideal inductance only (3) is zero when the circuit contain's an ideal resistance only (4) is unity when the circuit contain's an ideal inductance only

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer27) The pair of physical quantities that have the same dimension is (are) (1) Reynold's number and coefficient of friction (2) Curie and frequency of a light wave (3) Latent heat and gravitational potential (4) Planck's constant and torque

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • 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) its acceleration is constant (4) its moves in a circular path

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer29) For an isolated system in the absence of any dissipative effect (1) KE is conserved (2) total energy is conserved (3) PE is conserved (4) mechanical energy is conserved

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer30) The charge flowing in a conductor varies with time as\[Q=at-b{{t}^{2}},\]then the current  changes at the rate of\[(-2b)\]  falls to zero after\[T=\left( \frac{a}{2b} \right)\] (3) reaches a maximum and then decreases (4) will remain constant

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer31) If an increasing temperature, the resistance decreases, then it is (1) superconductor         (2) insulator (3) semiconductor           (4) None of these

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer32) Velocity of sound in air is 320 m/s. A pipe closed at one end has a length of 1 m. Neglecting end corrections, the air column in the pipe can resonate for sound of frequency (1) 80 Hz                               (2) 240 Hz (3) 320 Hz           (4) 800 Hz

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer33) During the melting of a slab of ice at 273 K at atmospheric pressure (1) pressure 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 decreases (4) the internal energy of the ice-water increases

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer34) Which of the following from (5) a virtual and erect image for all positions of the object? (1) Convex lens                 (2) Concave lens (3) Concave mirror          (4) Convex mirror

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer35) When a potential difference is applied across, the current passing through  an insulator at 0 K is zero  a semiconductor at 0 K is zero  a p-n junction diode at 300 K is finite, if it reverse biased (4) a metal at 0 K is finite

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer36) A non-conducting solid sphere of radius R is uniformly charged. The magnitude of the electric field due to the sphere at a distance r from its centre (1) increases as r increases for r < R (2) decreases as r increases for\[0<r<\infty \] (3) decreases as r increases for\[R<r<\infty \] (4) is discontinuous at\[r=R\]

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer37) A field line is shown in the figure. This field cannot represent (1) Magnetic field (2) Electrostatic field (3) Gravitational field (4) Induced electric field

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer38) \[{{C}_{V}}\]and\[{{C}_{P}}\]denote the molar specific heat capacities of a gas at constant volume and constant pressure, respectively. Then, (1)\[{{C}_{V}}-{{C}_{P}}\]larger for a diatomic ideal gas than for a monoatomic ideal gas (2)\[{{C}_{P}}+{{C}_{V}}\]is larger for a diatomic ideal gas than for a monoatomic ideal gas (3)\[\frac{{{C}_{P}}}{{{C}_{V}}}\]is larger for a diatomic ideal gas than for a monoatomic ideal gas (4)\[{{C}_{P}}.{{C}_{V}}\]is larger for a diatomic ideal gas than for a monoatomic ideal gas

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer39) A dielectric slab of thickness d is inserted in a parallel plate capacitor whose negative plate is at\[x=0\]and positive plate is at\[x=3d\]. The slab is equidistant from the plates. The capacitor is given some charge. As\[x\]goes from 0 to 3d  the magnitude of the electric field remains the same (2) the directions of the electric field remains the same (3) the electric potential increases at first, then decreases and again increases (4) the electric potential increases continuously

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer40) A lead ball is dropped into a lake from diving board 5 m above the water. If hits the water with certain velocity and then sinks to the bottom with the same constant velocity. It reaches the bottom 5.0 after it is dropped. If\[g=10\text{ }m/{{s}^{2}}\] (1) the depth of lake in 40 m (2) the depth of lake in 50 m (3) the average velocity of ball is 9 m/s (4) the average velocity of ball is 5 m/s

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer41) A particle is projected from a point A with a velocity v at an angle of elevation\[\theta \]. At a certain point B, the particle moves at right angle to its initial direction. Then (1) velocity of particle at B is \[v\sin \theta \] (2) velocity of particle at B is \[v\cot \theta \] (3) velocity of particle at B is\[v\tan \theta \] (4) velocity of flight from A to B is\[\frac{v}{g\sin \theta }\]

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer42) Work done by force of friction (1) can be zero                  (2) can be positive (3) can be negative         (4) None of these

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer43) A body of mass 2 kg moving with a speed of 3 m/s collides with a body of mass 1 kg moving with a speed of 4 m/s. If the collision is one dimensional and completely inelastic the speed of composite mass after the collision may be (1)\[\frac{3}{2}\]m/s                                      (2) \[\frac{2}{3}\]m/s (3) 4 m/s                              (4)\[\frac{10}{3}\]m/s

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer44) In a cassette player materials used for coating magnetic tapes are (1) cobalt                             (2) \[NiF{{e}_{2}}{{O}_{4}}\] (3) nickel                              (4)\[CoF{{e}_{2}}{{O}_{4}}\]

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer45) A light of wavelength 6000 A in air enters a medium of refractive index 1.5. Inside the medium, its frequency is v and its wavelength is\[\lambda \] (1)\[v=5\times {{10}^{14}}Hz\] (2)\[v=7.5\times {{10}^{14}}Hz\] (3) \[\lambda =4000{\AA}\] (4) \[\lambda =9000{\AA}\]

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer46) Electric conduction takes place in a discharge tube due to movement of (1) positive ions                (2) negative ions (3) electrons                      (4) photons

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer47) The impurity atoms with pure silicon should be doped to make a n-type semiconductor are those (1) phosphorus                 (2) antimany (3) boron                             (4) aluminium

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer48) In steady state (1) temperature does not change with time (2) there is no absorption of heat (3) there is no flow of heat (4) all parts of the body are at same temperature

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer49) Which of the following statements are correct about intensity of sound? (1) It depends only on amplitude of wave (2) It depends both an amplitude and frequency of wave (3) Its practical unit is phono (4) Its practical unit is decibal

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer50) Which of the following is a unit of permeability? (1) \[H/m\]                         \[Wb/Am\]  \[Ohm\times s/m\]                       \[V\times s/{{m}^{2}}\]

    A)
      1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct

    D)
     1 and 3 are correct

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  • question_answer51) Which of the following is not correct?

    A)
     In Baeyer?s process bauxite is digested with\[NaOH\]solution

    B)
     In Hall?s process bauxite is fused with\[N{{a}_{2}}C{{O}_{3}}\]

    C)
      In Serpeck's process bauxite is mixed with coke and heated in an atmosphere of\[C{{O}_{2}}\]

    D)
     Hoope's electrolytic cell is used for the purification of aluminium

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  • question_answer52) Pearl white is

    A)
     \[AsOCl\]                           

    B)
    \[SbOCl\]

    C)
      \[HOCl\]                            

    D)
    \[BiOCl\]

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  • question_answer53) Sea divers go deep in the sea water with a mixture of which of the following gases?

    A)
    \[{{O}_{2}}\]and\[He\]                 

    B)
    \[{{O}_{2}}\]and\[Ar\]

    C)
     \[{{O}_{2}}\]and\[C{{O}_{2}}\]                

    D)
    \[C{{O}_{2}}\]and\[Ar\]

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  • question_answer54) The end product 'C' in the following reaction

    A)
                            

    B)
     

    C)
       

    D)
     

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  • question_answer55) The best reagent to convert pent-3-en-2-ol into pent-3-en-2-one is

    A)
     pyridinium chloro chromate

    B)
     chromic anhydride in glacial acetic acid

    C)
      acidic dichromate

    D)
     acidic permanganate

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  • question_answer56) The following reaction is described as

    A)
     \[{{S}_{E}}2\]                                   

    B)
     \[{{S}_{N}}2\] 

    C)
      \[{{S}_{N}}1\]                 

    D)
     \[{{S}_{E}}1\]

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  • question_answer57) A metal oxide has the formula\[{{A}_{2}}{{O}_{3}}\]. It can be reduced by hydrogen to give free metal and water. 0.1596 g of the metal oxide requires 6 mg of hydrogen for complete reduction. What is the atomic weight of metal?

    A)
     52.3                      

    B)
     57.5  

    C)
      55.8                                     

    D)
     59.3

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  • question_answer58) For 2s orbital, the nodal surface exists at a distance of

    A)
     \[{{a}_{0}}\]from the nucleus

    B)
     \[1.5{{a}_{0}}\]from the nucleus

    C)
     \[2{{a}_{0}}\] form the nucleus

    D)
     \[2.5{{a}_{0}}\]from the nucleus

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  • question_answer59) The molecule having non-zero dipole moment is

    A)
     \[{{C}_{2}}{{H}_{6}}\]                   

    B)
     \[C{{H}_{4}}\]  

    C)
     \[{{B}_{2}}{{H}_{6}}\]                   

    D)
     \[{{H}_{2}}{{O}_{2}}\]

    View Answer play_arrow
  • question_answer60) A certain metal when irradiated by light \[(v=3.2\times {{10}^{16}}Hz)\]emits photoelectrons with twice kinetic energy as did photoelectrons when the same metal is irradiated by light\[(v=2.0\times {{10}^{16}}Hz)\]. Then\[{{v}_{0}}\]of metal is

    A)
     \[1.2\times {{10}^{14}}Hz\]                       

    B)
     \[8\times {{10}^{15}}Hz\]

    C)
     \[1.2\times {{10}^{16}}Hz\]                       

    D)
     \[4\times {{10}^{12}}Hz\]

    View Answer play_arrow
  • question_answer61) A match box exhibits

    A)
     cubic geometry

    B)
     monoclinic geometry

    C)
      tetragonal geometry

    D)
     orthorhombic geometry

    View Answer play_arrow
  • question_answer62) When mercuric iodide is added to the aqueous solution of potassium iodide, the

    A)
     freezing point is raised

    B)
     freezing point is lowered

    C)
     freezing point does not change

    D)
     boiling point does not change

    View Answer play_arrow
  • question_answer63) 4.5 g of aluminium is deposited at cathode from\[A{{l}^{3+}}\]solution by a certain quantity of electric charge. The volume of hydrogen produced at STP from\[{{H}^{+}}\]ions in solution by the same quantity of electric charge will be

    A)
     5.6 L                                     

    B)
     11.2 L

    C)
      22.4 L                                  

    D)
     44.8 L

    View Answer play_arrow
  • question_answer64) Which one of the following should be most stable?

    A)
     \[H_{2}^{+}\]                                   

    B)
     \[{{H}^{+}}\]

    C)
      H                                          

    D)
     \[{{H}^{-}}\]

    View Answer play_arrow
  • question_answer65) \[CCl\]bond of chlorobenzene in comparison to \[CCl\]bond in methyl chloride is

    A)
     longer and weaker

    B)
     shorter and weaker

    C)
      shorter and stronger

    D)
     longer and shorter

    View Answer play_arrow
  • question_answer66) Among the following compound which can be dehydrated very easily?

    A)
     \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}OH\]

    B)
     \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{3}}\]

    C)
     \[C{{H}_{3}}C{{H}_{2}}\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{2}}-C{{H}_{2}}OH\]

    D)
     \[C{{H}_{3}}C{{H}_{2}}\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{2}}-C{{H}_{3}}\]

    View Answer play_arrow
  • question_answer67) An organic amino compound reacts with aqueous nitrous acid at low temperature to produce an oily nitroso amine. The compound is

    A)
     \[C{{H}_{3}}N{{H}_{2}}\]             

    B)
    \[C{{H}_{3}}C{{H}_{2}}N{{H}_{2}}\]

    C)
      \[{{(C{{H}_{3}}C{{H}_{2}})}_{3}}N\]       

    D)
    \[{{(C{{H}_{3}}C{{H}_{2}})}_{2}}NH\]

    View Answer play_arrow
  • question_answer68) The correct statement in respect of protein hemoglobin is that it

    A)
     acts as an oxygen carrier in the blood

    B)
     forms antibodies and offers resistance to diseases

    C)
     functions as a catalyst for biological reactions

    D)
     maintains blood sugar level

    View Answer play_arrow
  • question_answer69) Which of the following process is usually employed for the preparation of carbowax from ethylene oxide?

    A)
     Base-catalysed polymerization

    B)
     Acid-catalysed polymerization

    C)
     Free radical polymerization

    D)
     Coordination polymerization

    View Answer play_arrow
  • question_answer70) Which of the following relationships is correct?

    A)
     \[K=\frac{T\Delta {{S}^{o}}-\Delta {{H}^{o}}}{RT}\]         

    B)
     \[K=\frac{\Delta {{H}^{o}}-T\Delta {{S}^{o}}}{RT}\]

    C)
     In\[K=\frac{T\Delta {{S}^{o}}-\Delta {{H}^{o}}}{RT}\]     

    D)
     In\[K=\frac{\Delta {{H}^{o}}-T\Delta {{S}^{o}}}{RT}\]

    View Answer play_arrow
  • question_answer71) What is the solubility of calcium fluoride in a saturated solution if its solubility product is\[3.2\times {{10}^{-11}}\]?

    A)
    \[2.0\times {{10}^{-4}}mol/L\]  

    B)
     \[2\times {{10}^{-3}}mol/L\]

    C)
     \[4.0\times {{10}^{-4}}mol/L\] 

    D)
     \[8\times {{10}^{-3}}mol/L\]

    View Answer play_arrow
  • question_answer72) The ionization constant of a weak electrolyte is\[25\times {{10}^{-6}}\] while the equivalent conductance of its 0.01 M solution is\[19.6\text{ }S\text{ }c{{m}^{2}}e{{q}^{-1}}\]. The equivalent conductance of the electrolyte at infinite dilution (in\[S\text{ }c{{m}^{2}}e{{q}^{-1}}\]) will be

    A)
     340                                       

    B)
     208

    C)
      364                                      

    D)
     392

    View Answer play_arrow
  • question_answer73) If a is the initial concentration and k is the rate constant of a zero order reaction, the time for the reaction to go to completion will be

    A)
     \[\frac{k}{a}\]                                  

    B)
     \[\frac{a}{k}\]

    C)
      \[\frac{a}{2k}\]                                              

    D)
     \[\frac{k}{2a}\]

    View Answer play_arrow
  • question_answer74) Collodion is a colloidal solution of

    A)
     sucrose in water

    B)
     cellulose in water

    C)
     cellulose nitrate in water

    D)
     cellulose nitrate in ethanol

    View Answer play_arrow
  • question_answer75) Equivalent weight of\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]in acidic medium is

    A)
     \[M\]                                  

    B)
     \[\frac{M}{2}\]

    C)
     \[\frac{M}{5}\]                                

    D)
     \[\frac{M}{6}\]

    View Answer play_arrow
  • question_answer76) Which kinds of isomerism is exhibited by octahedral\[Co(N{{H}_{3}})B{{r}_{2}}Cl\]? (1) Optical           (2) Geometrical (3) Linkage                          (4) lonisation

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer77) Which species has one lone pair of electrons on the central atom? (1) \[[ClO_{3}^{-}]\]                        (2) \[Xe{{F}_{4}}\] (3) \[S{{F}_{4}}\]                              (4) \[[I_{3}^{-}]\]

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer78) Which of the following are the ores of copper? (1) Chalcopyrite                (2) Malachite (3) Chalcocite                     (4) Haematite

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer79) Which of the following are oxidised by\[{{O}_{3}}\]? (1)\[KI\]                               (2) \[FeS{{O}_{4}}\] (3) \[{{K}_{2}}Mn{{O}_{4}}\]                       (4) \[KMn{{O}_{4}}\]

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer80) Which of the following compounds are expected to show similar colour in aqueous medium? (1)\[FeC{{l}_{2}}\]                           (2) \[VOC{{l}_{2}}\] (3) \[MnC{{l}_{2}}\]                        (4) \[CuC{{l}_{2}}\]

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer81) Which of the following represents 32g of the substance? (1) 1 g atom of sulphur (2) 22.4 L of\[{{O}_{2}}\]gas at STP (3) One mole of oxygen atoms (4) One mole of sulphur molecules

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer82) According to Charles' law (1) \[{{\left( \frac{dV}{dT} \right)}_{p}}=K\]                         (2) \[{{\left( \frac{dT}{dV} \right)}_{p}}=K\] (3) \[{{\left( \frac{1}{T}-\frac{V}{{{T}^{2}}} \right)}_{p}}=0\]         (4) \[V\propto \frac{1}{T}\]

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer83) Which of the following statements are correct for an electron that has n = 4 and\[m=-2\]? (1) The electron may be in a d-orbital (2) The electron is in the fourth principal electronic shell (3) The electron may be in a p-orbital (4) The electron must have the spin quantum number \[=+\frac{1}{2}\]

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer84) Species having the same bond order are (1) \[N_{2}^{2-}\]                                            (2) \[N_{2}^{+}\] (3) \[{{N}_{2}}\]                                                (4) \[N_{2}^{-}\]

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer85) Among the following chain transfer reagents are (1) carbon tetrachloride (2) carbon tetrabromide (3) benzoyl peroxide (4) benzoquinone

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer86) Which of the following hormones do not contain nitrogen? (1) Progesterone             (2) Epinephrine (3) Aldosterone                (4) Insulin

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer87) Benzene and aniline can be separated from their mixture by (1) distillation                     (2) vacuum distillation (3) dil.\[HCl\]                     (4) dil.\[NaOH\]

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer88) Keto-enol tautomerism is exhibited by (1) (2) (3) (4)

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer89) In which of the following compounds the\[\pi -\]electron cloud contains the same number of electrons (1) naphthalene               (2) anthracene (3) biphenylene                (4) phenanthrene

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer90) Oxidation of A gives p-benzoquinone. A can be (1)                           (2) (3)           (4)

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer91) The enthalpy change for the process\[C(graphite)\xrightarrow{{}}C(g)\]is called (1) heat of vaporisation (2) heat of sublimation (3) heat of atomization (4) heat of allotropic change

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer92) Moth repellents are (1)          (2) perchloroethane (3)              (4)\[CH{{I}_{3}}\]

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer93) Which of the following will give yellow precipitate with\[{{I}_{3}}/NaOH\]? (1)\[IC{{H}_{2}}COC{{H}_{2}}C{{H}_{3}}\] (2)\[C{{H}_{3}}COOCOC{{H}_{3}}\] (3)\[C{{H}_{3}}CH(OH)C{{H}_{2}}C{{H}_{3}}\] (4)\[C{{H}_{3}}COOH\]

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer94) Nitrogen can combine directly at higher temperature to give nitrides with (1)\[Mg\]                                            (2)\[Al\] (3)\[Zn\]                                              (4)\[Pb\]

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer95) Which of the following statements are incorrect? (1) Nuclear isomers contain the same number of protons and neutrons (2) One curie\[=3.7\times {{10}^{10}}\]disintegrations/per minute (3) The decay constant is independent of the amount of the susbtance taken (4) Actinium series starts with U-238

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer96) The rate of law for the reaction\[RCl+NaOH\xrightarrow{{}}ROH+NaCl\]is given by rate\[=k[RCl]\]. The rate of this reaction (1) is doubled by doubling the concentration of\[NaOH\] (2) is halved by reducing the concentration of \[RCl\]by one half (3) is unaffected by change in temperature (4) is increased by increasing the temperature of the reaction

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer97) The units of conductance are (1) Siemens                        (2)\[oh{{m}^{-1}}\] (3) mhos                              (4) ohm

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer98) When\[C{{l}_{2}}\]is passed through hot\[NaOH,\] oxidation number of\[Cl\]changes from (1) 0 to + 5                           (2) -1 to 0 (3) 0 to -1                             (4) 0 to + 7

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer99) Which of the following will have nearly equal \[{{H}^{+}}\]concentration? (1)\[100\text{ }mL\text{ }0.1\text{ }M\text{ }HCl\]mixed with 50 mL water (2)\[50\text{ }mL\text{ }0.1\text{ }M\text{ }{{H}_{2}}S{{O}_{4}}\]mixed with 100 mL water (3) \[50\text{ }mL\text{ }0.1\text{ }M\text{ }{{H}_{2}}S{{O}_{4}}\]mixed with 50 mL water (4)\[50\text{ }mL\text{ }0.1\text{ }M\text{ }HCl\]mixed with 50 mL water

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer100) Which of the following represent van?t Hoff equation? (1) \[K=A{{e}^{-{{E}_{a}}/RT}}\] (2) \[K=A{{e}^{-\Delta H/RT}}\] (3) \[d(In\,K)/dT=-\Delta H/R{{T}^{2}}\] (4) \[d(In\,K)/dT=\Delta H/R{{T}^{2}}\]

    A)
     1, 2 and 3 are correct

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer101) Homo erectus erectus is the zoological name of

    A)
     Java apeman                    

    B)
     Peking man

    C)
     Neanderthal man          

    D)
     Nut cracker man

    View Answer play_arrow
  • question_answer102) Leakey and Leakey discovered fossils of

    A)
     apeman                             

    B)
     erect man

    C)
      Peking man                     

    D)
     tool maker

    View Answer play_arrow
  • question_answer103) Mammalia is a

    A)
     category                            

    B)
     taxon

    C)
      Both  and          

    D)
     None of these

    View Answer play_arrow
  • question_answer104) Paroxysm in tertain malaria occurs after every

    A)
     72 h                                      

    B)
     48 h

    C)
     24 h                                      

    D)
     12 h

    View Answer play_arrow
  • question_answer105) Lime-knots of slime moulds are

    A)
     swarm cells      

    B)
     spore

    C)
     capillitia                              

    D)
     fruit bodies

    View Answer play_arrow
  • question_answer106) Corals belong to the phylum

    A)
     Ctenophora                      

    B)
     Cnidarians

    C)
     Porifera                              

    D)
     Ciliophora

    View Answer play_arrow
  • question_answer107) Sponges have originated from

    A)
     ciliate protozoans          

    B)
     sporozoan protozoans

    C)
      sarcodine protozoans

    D)
     choanoflagellate protozoans

    View Answer play_arrow
  • question_answer108) Cingulum of earthworm is concerned with

    A)
     copulation         

    B)
     cocoon formation

    C)
      burrowing                        

    D)
     spermatogenesis

    View Answer play_arrow
  • question_answer109) The larva of echinoderm is

    A)
     torula larva      

    B)
     dipleurula larva

    C)
      zaoela larva                     

    D)
     nauplius larva

    View Answer play_arrow
  • question_answer110) Bone marrow is absent in

    A)
     Reptilia                               

    B)
     birds

    C)
     amphibians      

    D)
     fish

    View Answer play_arrow
  • question_answer111) The peniose sugar present in genetic material of polio virus is

    A)
     ribose                                 

    B)
     deoxyribose

    C)
     sucrose                              

    D)
     fructose

    View Answer play_arrow
  • question_answer112) Which one of the following pairs refers to one and the same things?

    A)
     Adrenal and suprarenal

    B)
     Centrosome and centriole

    C)
     Notochord and vertebral column

    D)
     Malpighian capsule and Bowman's capsule

    View Answer play_arrow
  • question_answer113) In human, Philadelphia chromosomes results from the reciprocal translocations between chromosome numbers

    A)
     20 and 9                             

    B)
     9 and 21

    C)
      Sand 11                             

    D)
     9 and 22

    View Answer play_arrow
  • question_answer114) If a boy's father has haemophilia and his mother has one gene for haemophilia, what is the chance that the boy will inherit the disease?

    A)
     100%                                   

    B)
     50%

    C)
     0%                                        

    D)
     75%

    View Answer play_arrow
  • question_answer115) Which one of the following codons codes for  he same information as UGC?

    A)
     UGU                                    

    B)
     UGA

    C)
     UAG                                    

    D)
     UGG

    View Answer play_arrow
  • question_answer116) Red muscles are rich in

    A)
     only myosin

    B)
     haemoglobin and glucose

    C)
     lactic acid and acetic acid

    D)
     myoglobin and cylochrome

    View Answer play_arrow
  • question_answer117) Which pair is incorrect?

    A)
     Patella                 ? Knee cap

    B)
     Malleus               ? Hammer bone

    C)
     Sternum             ? Chest bone

    D)
     Stapes                 ? Anvil bone

    View Answer play_arrow
  • question_answer118) Camouflage of chameleon is associated with

    A)
     chromosome                   

    B)
     chromomere

    C)
     chromoplast                     

    D)
     chromatophore

    View Answer play_arrow
  • question_answer119) If pH of stomach is 1.6, then which enzyme will digest protein?

    A)
     Trypsin                               

    B)
     Pepsin

    C)
      Amylase                            

    D)
     Erypsin

    View Answer play_arrow
  • question_answer120) In micturition

    A)
     urethra relaxes               

    B)
     ureter contracts

    C)
     ureter relaxes                 

    D)
     urethra contracts

    View Answer play_arrow
  • question_answer121) A vertebrate bone, which directly develops from mesenchyme is called

    A)
     dermal bone                    

    B)
     replacing bone

    C)
     endochondrial bone     

    D)
     All of the above

    View Answer play_arrow
  • question_answer122) Pons connect the

    A)
     two lobes of cerebellum

    B)
     two cerebral hemispheres

    C)
     spinal cord with the brain

    D)
     cerebrum and cerebellum

    View Answer play_arrow
  • question_answer123) Sensation of stomach pain is due to

    A)
     enteroceptors                 

    B)
     exteroceptors

    C)
     proprioceptors                

    D)
     teloreceptors

    View Answer play_arrow
  • question_answer124) Treatment with 'alloxan' destroys

    A)
     STH cells

    B)
     \[\text{ }\!\!\beta\!\!\text{ -}\]cells of islets of Langerhans

    C)
      cells of Sertoli

    D)
     cells of Leyding

    View Answer play_arrow
  • question_answer125) Sperms are stored in earthworm after fertilization in

    A)
     kidney                                

    B)
     testes

    C)
      spermatheca                  

    D)
     seminal vesicle

    View Answer play_arrow
  • question_answer126) The correct statement about Reptilia is (1) their RBCs are nucleated (2) fertilization is internal (3) they are poikilorherms (4) metamorphosis is present

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer127) Histology is (1) the study of tissues (2) the word coined by Mayer (3) related to ion balance of body (4) not related to plant tissues

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer128) Arteries (1) are thick walled vessels (2) carry CO2 throughout the body (3) carry blood at high pressure (4) are collapsable vessels

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer129) Brain is (1) protected by meninges (2) enveloped by cranium (3) divided into forebrain, mid brain and hind brain (4) part of peripheral nervous system

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer130) Relaxin is (1) an enzyme (2) a hormone secreted during pregnancy (3) secreted by corpus luteum (4) broadens die uterus cervix for easy birth of child

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer131) Which of the following pairs is correctly  matched? (1) Pivot joint     ?   Radius and ulna (2) Saddle joint ? Wrist bone (3) Hinge joint  ?  Knee joint (4) Gliding joint                 ?  Atlas and axis

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer132) What is true about lymphokines? (1) They are chemical messengers (2) They are released by helper T-lymphocytes (3) High levels of cholesterol (4) Types of blood coagulants

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer133) Select the correct match from the table.
    1.    Cistron A.    Is a region of DNA    that        encodes a           single    polypeptide.
    2. Epistasis B.    A condition in which an          allele of one gene            obliterates the phenotypic         expression of all allelic           alternatives of another gene.                   
    3. Genome C.    Complete set of                       chromosomes
    4. Monosomic D. An individual having two         chromosomes.

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer134) What is true about kidney? (1) Kidneys excrete undigested food (2) Kidneys excrete nitrogenous waste (3) Controls metabolism (4) Maintain osmotic pressure in blood and tissues

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer135) Which of the following pairs is/are correctly matched? (1) Cholecystokinin?Activates gall bladder to release bile (2) Secretm ? Controls Secretion of pancreatic enzymes (3) Placenta ? Also acts as an endocrine gland (4) Thyroxine ? Low serum and high serum phosphate

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer136) Adenohypophysis produces (1) somatotrophic hormone (STH) (2) an tidiuretic hormone (ADH) (3) follicle stimulating hormone (FSH) (4) oxytocin hormone

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer137) Functions of bile in humans are to (1) neuralises the acid produced by the stomach (2) maintains fats in an emulsified state (3) helps in storage of vitamin-A and D (4) digests cellulose

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer138) In born errors of metabolism are (1) phenylketonuria        (2) cancer (3) alkaptonuria                (4) marasmus

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer139) Exoskeleton of cockroach is (1) made of bones           (2) chitinous (3) secreted by hair cells (4) secreted by epidermal cells

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer140) What is true about Taenia solium? (1) Endoparasite (2) Saprozoic (3) Digestive system absent (4) Excretion through spiracles

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer141) Find out the correctly matched pairs (1) Niacin   ? Rickets (2) Vitamin-A ? Night blindness (3) Thiamine ? Prolong blood clotting time (4) Vitamin-C ? Scurvy

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer142) Select the correct answer from the table.
    List\[\text{I}\] List\[\text{II}\]
    Ampulla of Lorenzini thermoreceptors found on dorsal and ventral region of head of Scoliodon
    Fishes B.   12 pairs of cranial                       nerves
    Skull of fish C.   Monocondylic
    Fishes D.  Bisexual and usually viviparous

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer143) BMR is raised with the (1) muscular activity like exercise (2) after food intake (3) cold weather (4) hypothyroidism

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer144) Which is related to pectoral girdle? (1) It is V-shaped (2) Its half is Os in nominatum (3) It is not fused to the sternum (4) A glenoid cavity fits the head to humerus bone

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer145) Which is/are the forms of cancer? (1) Lymphoma                                   (2) Carcinoma (3) Down's syndrome     (4) Trisomy-13

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer146) Which one is a true statement about haemophilia? (1) Caused by X-linked recessive gene (2) Caused by abnormal type of haemoglobin (3) It is hereditary bleeding disorder (4) Characterized by absence of melanin

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer147) Symptoms of ageing in humans can be studied at which of these following levels? (1)  At cellular level          (2)  At or ganismic level (3) At extracellular level (4) Ac ecosystem level

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer148) Discoblastula is found in (1) frog                                 (2) fishes and reptiles (3) insects                                           (4) birds

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer149) Booklungs are respiratory organs in (1) scorpions                                      (2) insects (3) spiders                                           (4) rats

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer150) Reflex actions are associated with (1) coughing                                       (2) sneezing (3) yawning                                        (4) running

    A)
     1, 2 and 3 are correct    

    B)
     1 and 2 are correct

    C)
     2 and 4 are correct         

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer151) According to Engler and Pranti system the

    A)
     angiosperms are placed before gymnospenns

    B)
     dicots are placed before monocots

    C)
     monocots are placed before dicots

    D)
     Archichlamydeae is placed before dicots

    View Answer play_arrow
  • question_answer152) Floridean starch is found in

    A)
     Chlorophyceac                

    B)
     Rhodophyceae

    C)
     Myxophyceae                 

    D)
     Cyanophyceae

    View Answer play_arrow
  • question_answer153) Laboratory weed is

    A)
     Neurospora                      

    B)
     Chlamydomonas

    C)
     Aspergillus       

    D)
     Chara

    View Answer play_arrow
  • question_answer154) Which of the following is aquatic bryophyte?

    A)
     Anthoceros                      

    B)
     Riccia fluitans

    C)
     Riccia discolor                  

    D)
     Sphagnum

    View Answer play_arrow
  • question_answer155) In gymnosperms, the ovules are

    A)
     naked unitegmic

    B)
     covered multitegmic

    C)
     bitegmic

    D)
     covered unitegmic

    View Answer play_arrow
  • question_answer156) Haustorial root is exceptional to

    A)
     Zea mays                           

    B)
     Cactus

    C)
     Cuscuta                              

    D)
     Orchids

    View Answer play_arrow
  • question_answer157) Plant cell differs from an animal cell in the absence of

    A)
     endoplasmic rericulum

    B)
     mitochondria

    C)
     ribosomes                         

    D)
     centhole

    View Answer play_arrow
  • question_answer158) Highest quantity of cellulose can be traced in

    A)
     flax                                       

    B)
     coir

    C)
     hemp                                  

    D)
     cotton

    View Answer play_arrow
  • question_answer159) The common phycobiont of lichens is

    A)
     Trebauxia                          

    B)
     Microcystis

    C)
     Euglena                              

    D)
     Fucus

    View Answer play_arrow
  • question_answer160) The nature of endosperm in angiospenn and gymnosperm is ......... respectively.

    A)
     triploid and haploid

    B)
     haploid and triploid

    C)
     triploid and diploid

    D)
     both triploid

    View Answer play_arrow
  • question_answer161) In which of the following excurrent stem found?

    A)
     Cycas                                   

    B)
     Pinus

    C)
     Mango                                

    D)
     Wheat

    View Answer play_arrow
  • question_answer162) Breathing roots are found in

    A)
     Rhizophora      

    B)
     Epiphytes

    C)
     Avicennia                          

    D)
     Both  and

    View Answer play_arrow
  • question_answer163) The leaves are modified into pitcher in

    A)
     Drosera                              

    B)
     Aldrovenda

    C)
     Sarracenia        

    D)
     Utricularia

    View Answer play_arrow
  • question_answer164) In Opuntia, the spine is the modification of

    A)
     stem                                    

    B)
     root

    C)
     leaf                                      

    D)
     None of these

    View Answer play_arrow
  • question_answer165) Cleistogamous flowers

    A)
     open at dusk                    

    B)
     open at down

    C)
     open during noon          

    D)
     never open

    View Answer play_arrow
  • question_answer166) Coir of coconut is obtained from

    A)
     endocarp                           

    B)
     mesocarp

    C)
     pericarp                             

    D)
     placenta

    View Answer play_arrow
  • question_answer167) High lysine content is present in

    A)
     bajara                                 

    B)
     maize

    C)
     wheat                                 

    D)
     rice

    View Answer play_arrow
  • question_answer168) ABA, coumarin and phenolic compounds induce

    A)
     flowering                           

    B)
     cloning

    C)
     rooting                               

    D)
     dormancy

    View Answer play_arrow
  • question_answer169) Orchid seeds are

    A)
     large and sticky               

    B)
     small and hairy

    C)
     small and light                 

    D)
     large and heavy

    View Answer play_arrow
  • question_answer170) Flower which is pollinated by wind is characterized by

    A)
     small, non-scented, colourless flowers

    B)
     big, scented, coloured flowers

    C)
     big, non-scented, coloured flowers

    D)
     big, non-scented, colourless flowers

    View Answer play_arrow
  • question_answer171) The mineral constituent of the cell wall is

    A)
     Fe                                         

    B)
     Mg

    C)
     K                                           

    D)
     Ca

    View Answer play_arrow
  • question_answer172) The inter xylary phloem is found in

    A)
     Salvia stem                       

    B)
     Cucurbita stem

    C)
     Calotropis stem              

    D)
     None of the above

    View Answer play_arrow
  • question_answer173) A water proof protective tissue with suberized walls is

    A)
     bark                                     

    B)
     bast

    C)
      intraxyllary fibres          

    D)
     tyiose

    View Answer play_arrow
  • question_answer174) Diffuse porous growing in woods are characteristic of plants of

    A)
     alpine region                    

    B)
     cold winter region

    C)
     temperate climate        

    D)
     tropics

    View Answer play_arrow
  • question_answer175) The osmotic pressure of the cell sap is more in

    A)
     xerophytes                       

    B)
     hydrophytes

    C)
     mesophytes                     

    D)
     floating hydrophytes

    View Answer play_arrow
  • question_answer176) Which of the following statements are correct? (1) Rate of water absorption increases with gradual increase in the osmotic pressure of the cell sap of root hairs (2) Passive absorption of water in readily facilitated by transpiration (3) KCN is a respiratory inhibitor (4) Indole acetic acid induces the rate of water absorption

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer177) Which are related to ascent of sap? (1) Vital force theory (2) Cohesion theory (3) Physical force theory (4) Diffusion theory

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer178) Factor which affect translocation of solutes is/are (1) presence of carbon dioxide (2) oxygen (3) dryness (4) temperature between 25°C-35°C

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer179) Select the true statements (1) Aldrovanda is a rootless, free floating insectivorous aquatic plant (2) Sarracenia is a pitcher like plant (3) Rafflesia is a total stem parasite (4) Striga is a parasite of khuskhus

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer180) Amphitropous (transversal) ovules are found in (1) Lemna                            (2) poppy (3) Ranunculus                  (4) Opuntia

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer181) Primary wall of cell wall is composed of (1) cellulose                                        (2) hemicellulose (3) pectin                             (4) protein

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer182) Endoplasmic reticulum occurs in the forms of (1) cistemae and vesicles (2) tubules (3) myeloid bodies (4) vacuoles

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer183) Messenger RNA (mRNA) (1) forms 5-10% of total cellular RNA (2) transcribes genetic information coded in DNA molecule (3) is synthesized on DNA template (4)is also called adaptive RNA

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer184) Facilitated diffusion (1) occurs from higher concentration to lower concentration (2) takes place along the concentration gradient (3) form carrier-transport complex (4) is stereospecific

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer185) Plasmodesmata (1) also called tight junctions (2) increase area of absorption (3) are barriers for diffusion (4) five finger like folding

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer186) \[{{\text{C}}_{\text{3}}}\text{-}\]plants have (1) Calvin cycle (2) Kranz type of anatomy (3) Photorespiration (4) No photorespiration

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer187) High concentration of \[C{{O}_{2}}\] (1) is not favourable for respiration in plants (2) inhibits all those activities of the plant which require energy (3) is important for aerobic respiration (4) is available in soil

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer188) Lichens (1) are indicators of pollution (2) are also used in cosmetics (3) play important role in formation of soil (4) are algal and bacterial partners

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer189) Transpiration is a (1) physical process in which water changes from liquid to gaseous form (2) vital physiological process (3) slow loss of water molecules from the surface (4) pressure which act on guard cells

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer190) Auxins (1) accelerate roorings (2) help in storage by increasing the period of dormancy (3) control fruit growth (4) shorten stem growth

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer191) Select the correct match from the table.
    \[\text{List}\,\text{I}\] \[\text{List}\,\text{II}\]
    1. Epidermis A. Outermost layer of parenchyma covered by a thin cuticle
    2. Hypodermis B. Immediately below the vascular bundles
    3. Ground tissue C. Parenchymatous cells enclosed by the hypodermal layer
    4. Vascular bundles D. Scattered in the hypodermis

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer192) Which one is/are not rootless? (1) Raphanus and Daucas (2) Beta vulgaris and sweet potato (3)  Utricularia (4) Wolffia

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer193) Which one is a correct match about leaf modification? (1)Fleshy leaves               ?Aloe, Agave, Sedum (2) Bladder          ? Utricularia stellaris (3) Phyllode        ?Acacia, Parkinsonia (4) Leaf spine     ? Cucurbica

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer194) Select the correct match from the table.
    \[\text{List}\,\text{I}\] \[\text{List}\,\text{II}\]
    1. Capsular fruits A. dry, many seeded and split open at maturity.
    2. Achenical fruits B. Break into one seeded segments known as mericarps.
    3. Simple fleshy fruits C. have fleshy pericarp which is edible.
    4. Berry D. ripened inflorescence called sorosis.

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer195) Phloem contains (1) dead matter in it known as bast (2) long and narrow sclerenchymatous fibres (3) companion cells, which are living, thin-walled, narrow. (4) cells which are long and tubular with lignified cell wall

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer196) Select the correct match from the table.
    \[\text{List}\,\text{I}\] \[\text{List}\,\text{II}\]
    1. Magnesium A. Constituent of lipids, nucleic acid and proteins
    2. Postassium B. cofactor for ATP ase enzyme
    3. Iron C. Required by plants for sugar translocation.
    4. copper D. Constituent of plastocyanin and cofactor of respiratory enzymes.

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer197) Select the correct match from the table.
    \[\text{List}\,\text{I}\] \[\text{List}\,\text{II}\]
    1. Chalaza A. Basal part of ovule
    2.Bitegmic ovules B. Have two integuments
    3. Pollen grain C. Has an outer exine and an inner in tine
    4. Berry D. ripened inflorescence called sorosis.

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

    View Answer play_arrow
  • question_answer198)  Nuclear type of endosperm is found in (1) Adoxa                                            (2) Penman (3) Peperomia                   (4)Mangifera

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

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  • question_answer199) Cytokmins (1) help in cell enlargement (2) counteract the influence of pical dominance over the lateral buds (3) help in germination of cereal seeds (4) helps in initiation of flowering

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

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  • question_answer200) Which of these statements is related to partial root parasite? (1) Santalum (sandal wood tree) develops haustoria  and enter  the  roots  of neighbouring trees of Dalbergia sissoo (2) Thesium grows on grasses (3) Viscum grows on oak (4) Loranthus is a parasite on mango

    A)
     1,2 and 3 are correct     

    B)
     1 and 2 are correct

    C)
      2 and 4 are correct        

    D)
     1 and 3 are correct

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