Solved papers for CET Karnataka Medical CET - Karnataka Medical Solved Paper-2000

done CET - Karnataka Medical Solved Paper-2000 Total Questions - 180

• question_answer1) The equation of progressive wave is: \[y=0.2\,\sin \,2\pi \left[ \frac{t}{0.01}-\frac{x}{0.3} \right]\] where x and y are in metre and t is in second. The velocity of propagation of the wave is:
  A)
   30 m/s
  done clear
  B)
   40 m/s
  done clear
  C)
    300 m/s
  done clear
  D)
   400 m/s
  done clear
  View Answer play_arrow

• question_answer2) A chimpanzee swinging on a swing in a sitting position, stands up suddenly, the time period will:
  A)
   become infinite
  done clear
  B)
   remain same
  done clear
  C)
   increase
  done clear
  D)
   decrease
  done clear
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• question_answer3) If the ratio of radii of two spheres of same material is 1 : 4 then the ratio of their heat capacities is:
  A)
   \[\frac{1}{64}\]
  done clear
  B)
   \[\frac{1}{32}\]
  done clear
  C)
    \[\frac{1}{16}\]
  done clear
  D)
   \[\frac{1}{4}\]
  done clear
  View Answer play_arrow

• question_answer4) Transverse waves can propagate in:
  A)
   liquids
  done clear
  B)
   solids
  done clear
  C)
   gases
  done clear
  D)
   none of these
  done clear
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• question_answer5) A box is lying on an inclined plane what is the coefficient of static friction if the box starts sliding when an angle of inclination is \[60{}^\circ \]:
  A)
   1.173
  done clear
  B)
   1732
  done clear
  C)
   2732
  done clear
  D)
   1-677
  done clear
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• question_answer6) For which of the following combination of working temperatures, the efficiency of Carnots engines is highest?
  A)
   100 K, 80 K
  done clear
  B)
   80 K, 60 K
  done clear
  C)
    60 K, 40 K
  done clear
  D)
   40 K, 20 K
  done clear
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• question_answer7) Myopia is corrected by:
  A)
   cylindrical lens
  done clear
  B)
   bifocal lens
  done clear
  C)
    concave lens
  done clear
  D)
   convex lens
  done clear
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• question_answer8) On increasing the temperature of a substance gradually, which of the following colours will be noticed by you:
  A)
   white
  done clear
  B)
   yellow
  done clear
  C)
   green
  done clear
  D)
   red
  done clear
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• question_answer9) The relation between n1 and n2, if behaviour of light rays is as shown in figure is:
  A)
   \[{{n}_{1}}>>{{n}_{2}}\]      
  done clear
  B)
   \[{{n}_{2}}>{{n}_{1}}\]
  done clear
  C)
   \[{{n}_{1}}>{{n}_{2}}\]
  done clear
  D)
   \[{{n}_{1}}={{n}_{2}}\]
  done clear
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• question_answer10) An aeroplane is flying with a uniform speed of 100 m/s along a circular path of radius 100 m. The angular speed of the aeroplane will be:
  A)
   1 rad/sec
  done clear
  B)
   2 rad/sec
  done clear
  C)
    3 rad/sec
  done clear
  D)
   4 rad/sec
  done clear
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• question_answer11) In an A.C. circuit the reactance of a coil is \[\sqrt{3}\] times its resistance, the phase difference between the voltage across the coil to the current through the coil will be:
  A)
   \[\pi /3\]
  done clear
  B)
   \[\pi /2\]
  done clear
  C)
   \[\pi /4\]
  done clear
  D)
   \[\pi /6\]
  done clear
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• question_answer12) \[v1\] and \[v2\] are the velocities of sound at the same temperature in two monoatomic gases of densities \[\rho 1\] and \[\rho 2\] respectively. If \[\rho 1/\rho 2=\frac{1}{4},\] then the ratio of velocities v1 and v2 will be:
  A)
   1 : 2
  done clear
  B)
   4 : 1
  done clear
  C)
    2 : 1
  done clear
  D)
   1 : 4
  done clear
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• question_answer13) The resistance of a conductor is 5 ohm at \[50{}^\circ C\] and 6 ohm at \[100{}^\circ C\]. Its resistance at \[0{}^\circ C\] is:
  A)
   1 ohm
  done clear
  B)
   2 ohm
  done clear
  C)
    3 ohm
  done clear
  D)
   4 ohm
  done clear
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• question_answer14) n identical droplets charged to the same potential V coalesce to form a single bigger drop. The potential of the new drop will be:
  A)
   nV
  done clear
  B)
   \[\frac{V}{n}\]
  done clear
  C)
    \[{{n}^{2/3}}V\]
  done clear
  D)
   \[n{{V}^{2}}\]
  done clear
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• question_answer15) If in a wire of Youngs modulus Y, longitudinal strain X is produced, then the value of potential energy stored in its unit volume will be:
  A)
  \[0.5Y{{X}^{2}}\]
  done clear
  B)
   \[0.5{{Y}^{2}}X\]
  done clear
  C)
  \[2Y{{X}^{2}}\]
  done clear
  D)
   \[Y{{X}^{2}}\]
  done clear
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• question_answer16) Light is incident on a glass plate at an angle 60°, the reflected and refracted rays are mutually perpendicular to each other, then the refractive index of plate will be:
  A)
   1-732
  done clear
  B)
   1-5
  done clear
  C)
    1-4
  done clear
  D)
   1-5
  done clear
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• question_answer17) A sound source is moving towards a stationary listener with 1 / 10th of the speed of the sound. The ratio of apparent to real speed will be:
  A)
   \[{{\left( \frac{11}{10} \right)}^{2}}\]
  done clear
  B)
   \[{{\left( \frac{9}{10} \right)}^{2}}\]
  done clear
  C)
    \[\frac{10}{9}\]
  done clear
  D)
   \[\frac{11}{10}\]
  done clear
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• question_answer18) The Youngs double slit experiment, the separation between the slits is halved and the distance between slits and screen is doubled. The fringes width will:
  A)
   remain the same
  done clear
  B)
   be quadrupled
  done clear
  C)
    be doubled
  done clear
  D)
   be halved
  done clear
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• question_answer19) A source X of unknown frequency produces 8 beats per second, with a source of 250 Hz and 12 beats per second with a source of 270 Hz. Then the frequency of the source X will be:
  A)
   284 Hz
  done clear
  B)
   265 Hz
  done clear
  C)
   258 Hz
  done clear
  D)
   252 Hz
  done clear
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• question_answer20) The relation between \[\alpha \] and \[\beta \] parameters of a transistor is given by:
  A)
   \[\alpha =\frac{1-\beta }{\beta }\]
  done clear
  B)
   \[\frac{\beta }{1-\beta }\]
  done clear
  C)
   \[\alpha =\frac{1+\beta }{\beta }\]
  done clear
  D)
   \[\alpha =\frac{\beta }{1+\beta }\]
  done clear
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• question_answer21) A diffraction is obtained by using a beam of red light. What will happen if the red light is replaced by the blue light?
  A)
   bands will narrower and crowd full together
  done clear
  B)
   bands become broader and further apart
  done clear
  C)
   no change will take place
  done clear
  D)
   bands disappear
  done clear
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• question_answer22) After an interval of one day, 1/6th of the initial amount of a radioactive material remains in a sample. Its half life will be:
  A)
   2 hour
  done clear
  B)
   3 hour
  done clear
  C)
   6 hour
  done clear
  D)
   12 hour
  done clear
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• question_answer23) Two coherent light beams of intensity \[I\]and \[4I\] are superimposed. The maximum and minimum possible intensities in the resulting beam are:
  A)
   \[9I\] and \[3I\]
  done clear
  B)
   \[9I\] and \[I\]
  done clear
  C)
   \[5I\] and \[3I\]
  done clear
  D)
   \[5I\] and \[I\]
  done clear
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• question_answer24) If the energy released in the fission of one nucleus is 200 MeV. Then the number of nuclei required per second in a power plant of 16 kW will be:
  A)
  \[0.5\times 1014\]
  done clear
  B)
   \[0.5\times {{10}^{12}}\]
  done clear
  C)
  \[5\times {{10}^{12}}\]
  done clear
  D)
   \[5\times {{10}^{14}}\]
  done clear
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• question_answer25) Diffraction effects are easier to notice in the case of sound waves than in case of light waves, because the sound waves are:
  A)
   of longer wavelengths
  done clear
  B)
   of shorter wavelengths
  done clear
  C)
    longitudinal waves
  done clear
  D)
   mechanical waves
  done clear
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• question_answer26) If R is the Rydbergs constant for hydrogen the wave number of the first line in the Lyman series will be:
  A)
   \[\frac{R}{4}\]
  done clear
  B)
   \[\frac{3R}{4}\]
  done clear
  C)
    \[\frac{R}{2}\]
  done clear
  D)
   \[2R\]
  done clear
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• question_answer27) The resistance of an ideal ammeter will be:
  A)
   zero
  done clear
  B)
   small
  done clear
  C)
   very high
  done clear
  D)
   infinite
  done clear
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• question_answer28) The energy that should be added to an electron, to reduce its de-Broglie wavelengths from \[{{10}^{-10}}m\]to \[0.5~\times {{10}^{-10}}m,\] will be:
  A)
   four times the initial energy
  done clear
  B)
   thrice the initial energy
  done clear
  C)
    equal to the initial energy
  done clear
  D)
   twice the initial energy
  done clear
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• question_answer29) A cube of side b has a charge q at each of its vertices. The electric field at the centre of the cube is:
  A)
   \[\frac{2q}{{{b}^{2}}}\]
  done clear
  B)
   \[\frac{q}{2{{b}^{2}}}\]
  done clear
  C)
    zero
  done clear
  D)
   \[\frac{q}{{{b}^{2}}}\]
  done clear
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• question_answer30) The magnetic flux linked with a coil, in webers, is given by the equations \[\phi =3{{t}^{2}}+4t+9.\] Then the magnitude of induced emf at t = 2 second will be:
  A)
   2 volt
  done clear
  B)
   4 volt
  done clear
  C)
   8 volt
  done clear
  D)
   16 volt
  done clear
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• question_answer31) A hot wire ammeter reads 10 amp. In an A.C. circuit. The peak value of the current will be:
  A)
   \[\frac{3}{\pi }\] amp
  done clear
  B)
   \[\frac{10}{\sqrt{2}}\] amp
  done clear
  C)
  \[10\sqrt{2}\,amp\]
  done clear
  D)
   \[6\pi \]amp
  done clear
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• question_answer32) A and B are two concentric circular conductors of centre O and carrying                                                                      currents n and n. as shown in the diagram. If ratio of their radii is 1 : 2 and ratio of the flux densities at O due to A and is 1 : 3 then the value of \[\frac{i1}{i2}\] will be:
  A)
   \[\frac{1}{2}\]
  done clear
  B)
   \[\frac{1}{3}\]
  done clear
  C)
    \[\frac{1}{4}\]
  done clear
  D)
   \[\frac{1}{6}\]
  done clear
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• question_answer33) Two capacitors of capacitance \[{{C}_{1}}\]and \[{{C}_{2}}\]are charged to potentials \[{{V}_{1}}\]and \[{{V}_{2}}\]respectively. When they are connected in parallel the ratio of their respective charges will be:
  A)
   \[\frac{{{C}_{1}}}{{{C}_{2}}}\]
  done clear
  B)
   \[\frac{{{C}_{1}}^{2}}{{{C}_{2}}^{2}}\]
  done clear
  C)
   \[\frac{{{V}_{1}}}{{{V}_{2}}}\]
  done clear
  D)
   \[\frac{{{V}_{1}}^{2}}{{{V}_{2}}^{2}}\]
  done clear
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• question_answer34) An example of a diamagnetic substance is:
  A)
   aluminium
  done clear
  B)
   copper
  done clear
  C)
   iron
  done clear
  D)
   nickel
  done clear
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• question_answer35) In a charged capacitor, the energy is stored in:
  A)
   centre of the plates
  done clear
  B)
   edges of the plates
  done clear
  C)
   between the plates
  done clear
  D)
    none of these
  done clear
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• question_answer36) Relative permeability of iron is 5500, then its magnetic susceptibility will be:
  A)
  \[5500\times {{10}^{7}}\]
  done clear
  B)
   \[5500\times {{10}^{-7}}\]
  done clear
  C)
   5501
  done clear
  D)
   5499
  done clear
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• question_answer37) In a typical Wheatstone network the resistances in   cyclic order are \[A=10\Omega ,B=5\Omega ,C=4\Omega \]and \[D=4\Omega \] for the bridge to be balanced:
  A)
   \[10\Omega \]should be connected in parallel with A
  done clear
  B)
   \[10\Omega \] should be connected in series with A
  done clear
  C)
   \[5\Omega \]should be connected in series with B
  done clear
  D)
   \[5\Omega \] should be connected in parallel with B
  done clear
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• question_answer38) An electron of mass m and charge q is travelling with a speed v along a circular path of radius r at right angles to a uniform magnetic field B, if speed of the electron is doubled and magnetic field is halved, then the resulting path would have a radius:
  A)
   4r
  done clear
  B)
   2r
  done clear
  C)
    \[\frac{r}{2}\]               
  done clear
  D)
   \[\frac{r}{4}\]
  done clear
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• question_answer39) Two resistances \[{{r}_{1}}\]and \[{{r}_{2}}\text{(}{{r}_{1}}<{{r}_{2}}\text{)}\]are connected in parallel. The equivalent resistance R is such that:
  A)
   \[R>\left( {{r}_{1}}+{{r}_{2}} \right)\]
  done clear
  B)
   \[R>\left( {{r}_{1}}+{{r}_{2}} \right)\]
  done clear
  C)
    \[{{r}_{1}}<R<{{r}_{2}}\]
  done clear
  D)
   \[R<{{r}_{1}}\]
  done clear
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• question_answer40) The potential at a point, due to a positive charge of 100 \[\mu \]C at a distance of 9 m, is:
  A)
   \[{{10}^{7}}\]volt
  done clear
  B)
   \[{{10}^{6}}\] volt
  done clear
  C)
   \[{{10}^{5}}\]volt
  done clear
  D)
  \[{{10}^{4}}\] volt
  done clear
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• question_answer41) Four wires of identical length, diameters and of the same material are stretched on a sonometre wire. If the ratio of their tensions is 1 : 4 : 9 : 16 then the ratio of their fundamental frequencies are:
  A)
   16 : 9 : 4 : 1
  done clear
  B)
   4 : 3 : 2 : 1
  done clear
  C)
   1 : 4 : 2 : 16
  done clear
  D)
   1 : 2 : 3 : 4
  done clear
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• question_answer42) An echo is heard when the minimum distance of the reflecting surface is:
  A)
   47 m
  done clear
  B)
   34 m
  done clear
  C)
    17 m
  done clear
  D)
   9 m
  done clear
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• question_answer43) In which process the P-V indicator diagram is a straight line parallel to volume axis?
  A)
   irreversible
  done clear
  B)
   adiabatic
  done clear
  C)
   isothermal
  done clear
  D)
   isobaric
  done clear
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• question_answer44) The kinetic energy of a body becomes four times its initial value. Then the linear momentum will be:
  A)
   four times the initial value
  done clear
  B)
   three times the initial value
  done clear
  C)
   twice the initial value
  done clear
  D)
   same as the initial value
  done clear
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• question_answer45) At which temperature, the Fahrenheit and Centigrade scales are equal:
  A)
  \[-48{}^\circ \]
  done clear
  B)
  \[-40{}^\circ \]
  done clear
  C)
  \[37{}^\circ \]
  done clear
  D)
  \[40{}^\circ \]
  done clear
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• question_answer46) A uniform wire of resistance R is uniformly compressed along its length, until the radius becomes n times the original radius. Now resistance of the wire becomes:
  A)
   \[nR\]
  done clear
  B)
   \[\frac{R}{n}\]
  done clear
  C)
    \[\frac{R}{{{n}^{2}}}\]
  done clear
  D)
   \[\frac{R}{{{n}^{4}}}\]
  done clear
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• question_answer47) The impurity atom that should be added the germanium to make it n-type will be:
  A)
   aluminium
  done clear
  B)
   arsenic
  done clear
  C)
    indium
  done clear
  D)
   iodine
  done clear
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• question_answer48) The waves that cannot be polarized are:
  A)
   electromagnetic waves
  done clear
  B)
   longitudinal waves
  done clear
  C)
   transverse waves
  done clear
  D)
   light waves
  done clear
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• question_answer49) An empty vessel is partially filled with water, then the frequency of vibration of air column in the vessel:
  A)
   remains same
  done clear
  B)
   decreases
  done clear
  C)
    increases
  done clear
  D)
   first increases then decreases
  done clear
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• question_answer50) A man suffering from short sight is unable to see objects distinctly at a distance more than 2m. The power of lens required to correct this defect of the eye should be:
  A)
   + 2 D
  done clear
  B)
   + 0.50 D
  done clear
  C)
    - 2 D
  done clear
  D)
   - 0.5D
  done clear
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• question_answer51) A monoatomic  gas  is  suddenly compressed to 1/8th of its initial volume adiabatically. The ratio of its final pressure to initial pressure will be (Y = 5/3):
  A)
   8
  done clear
  B)
   24
  done clear
  C)
    32
  done clear
  D)
   40
  done clear
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• question_answer52) 2 kg mass is rotating on a circular path of radius 0-8 m with an angular velocity of 44 rad /sec. If the radius of the path becomes 1 m. Then value of angular velocity is:
  A)
   35-32 rad/sec
  done clear
  B)
   28-16 rad/sec
  done clear
  C)
   14-08 rad/sec
  done clear
  D)
   7 rad/sec
  done clear
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• question_answer53) A whistle of frequency 500 Hz tied to the end of a string of length 1-2 m revolves at 400 rev/min. A listener standing some distance away in the plane of rotation of whistle nears frequencies in the rays (speed of sound =340 m/s):
  A)
   436 to 586
  done clear
  B)
   426 to 574
  done clear
  C)
   436 to 574
  done clear
  D)
   436 to 574
  done clear
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• question_answer54) The dispersive powers of crown and flint glasses are 0-02 and 0-04 respectively. In an achromatic combination of lenses the focal length of flint glass lens is 40 cm. The focal length of crown glass lens will be:
  A)
   - 20 cm
  done clear
  B)
   + 20 cm
  done clear
  C)
   - 10 cm
  done clear
  D)
   + 20 cm
  done clear
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• question_answer55) Two insulated metallic spheres of capacitances 3 \[\mu \]F and 5\[\mu \]F are charged to 300 volts and 500 volts respectively. The energy loss when they are connected by a wire is:
  A)
   0.035 J
  done clear
  B)
   1.5 J
  done clear
  C)
    3.75 J
  done clear
  D)
   0.0375 J
  done clear
  View Answer play_arrow

• question_answer56) The Gardner waters the plants by a pipe of diameter 1 mm. The water comes out at the rate of 10 cm /sec. The reactionary force exerted on the hand of the gardner is:
  A)
   zero
  done clear
  B)
   \[1.27\times {{10}^{-2}}N\]
  done clear
  C)
   \[1.27\times {{10}^{-4}}N\]
  done clear
  D)
   0.127 N
  done clear
  View Answer play_arrow

• question_answer57) A thin hollow cylinder open at both ends: (i) sliding without rotating (ii) rolls without slipping, with the same speed the ratio of kinetic energy in the two cases is:
  A)
   1 : 1
  done clear
  B)
   4 : 1
  done clear
  C)
   1 : 2
  done clear
  D)
   2 : 1
  done clear
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• question_answer58) A rain drop of radius 0.3 mm has a terminal velocity of 1 m/s in air. The viscosity of air is \[18\times {{10}^{-5}}\]poise. The visious forces on the drop will be:
  A)
  \[16.95\times {{10}^{-9}}N\]
  done clear
  B)
   \[1.695\times {{10}^{-9}}N\]
  done clear
  C)
   \[10.17\times {{10}^{-9}}N\]
  done clear
  D)
   \[101.73\times {{10}^{-9}}N\]
  done clear
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• question_answer59) The force required to separate two glass plates of area \[{{10}^{-2}}{{m}^{2}}\]with a film of water 0.05 mm thick between them, is (Surface tension of water is\[70~\times {{10}^{-3}}N/m\])
  A)
   28 N
  done clear
  B)
   14 N
  done clear
  C)
    50 N
  done clear
  D)
   38 N
  done clear
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• question_answer60) The dimension of \[\frac{1}{2}{{\varepsilon }_{0}}{{E}^{2}}\] (\[{{\varepsilon }_{0}}\]is the permittivity of free space, and E is electric field), is:
  A)
  \[[M{{L}^{2}}{{T}^{-1}}]\]
  done clear
  B)
   \[[M{{L}^{-1}}{{T}^{-2}}]\]
  done clear
  C)
   \[[M{{L}^{2}}{{T}^{-2}}]\]
  done clear
  D)
   \[[ML{{T}^{-1}}]\]
  done clear
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• question_answer61) Which one of the following defects in the crystals lowers its density?
  A)
   F centres      
  done clear
  B)
   Interstitial defect
  done clear
  C)
   Frenkel defect
  done clear
  D)
   Schottky
  done clear
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• question_answer62) \[{{H}_{2}}(g)+C{{l}_{2}}(g)\to 2HCl(g).\] \[\Delta H=-44k.cal\] \[2Na(s)+2HCl(g)\to 2NaCl(s)+{{H}_{2}}(g),\] \[\Delta H=-152k.cal\] For the reaction, \[Na(s)+\frac{1}{2}C{{l}_{2}}(g)\xrightarrow{{}}NaCl(s),\Delta H=?\]
  A)
   \[-108k,\,cal\]
  done clear
  B)
   \[-196k,\,cal\]
  done clear
  C)
   \[-98k,\,cal\]
  done clear
  D)
   \[54k,\,cal\]
  done clear
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• question_answer63) The fatty acid that shows reducing property is:
  A)
   acetic acid    
  done clear
  B)
   ethanoic acid
  done clear
  C)
   oxalic acid    
  done clear
  D)
   formic acid
  done clear
  View Answer play_arrow

• question_answer64) By adding  \[20\text{ }ml\text{ }0.1N\,\,HCl\]to \[20\text{ }ml\,0.001\text{ }N\text{ }KOH\], the pH of the obtained solution will be:
  A)
   \[2\]              
  done clear
  B)
   \[1.3\]
  done clear
  C)
   \[0\]               
  done clear
  D)
   \[7\]
  done clear
  View Answer play_arrow

• question_answer65) In the synthesis of ammonia \[{{N}_{2}}(g)+3{{H}_{2}}\rightleftharpoons 2N{{H}_{3}}(g)\] When \[100ml\]. of \[{{N}_{2}}\] has reacted, the volume of \[{{H}_{2}}\] which has also reacted and ammonia produced are :
  A)
   \[300ml\]. \[{{H}_{2}}\] and\[200ml\]. \[N{{H}_{3}}\]
  done clear
  B)
    \[300ml.\]\[{{H}_{2}}\] and \[300ml.\]. \[N{{H}_{3}}\]
  done clear
  C)
   \[100ml.\]. \[{{H}_{2}}\] and \[100ml.\]. \[N{{H}_{3}}\]
  done clear
  D)
   \[100ml.\]\[{{H}_{2}}\] and \[200ml.\]. \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer66) When 9-65 coulombs of electricity is passed through a solution of silver nitrate (atomic mass  of \[Ag=108g\text{ }mo{{l}^{-1}}\]), the amount of silver deposited is:
  A)
   \[16-2mg\]       
  done clear
  B)
   \[21-2mg\]
  done clear
  C)
   \[10-8mg\]    
  done clear
  D)
   \[64mg\]
  done clear
  View Answer play_arrow

• question_answer67) The strongest Bronsted base in the following anion is:
  A)
   \[ClO_{3}^{-}\]        
  done clear
  B)
   \[ClO_{4}^{-}\]
  done clear
  C)
   \[Cl{{O}^{-}}\]         
  done clear
  D)
   \[ClO_{2}^{-}\]
  done clear
  View Answer play_arrow

• question_answer68) Bleaching powder loses its power on keeping for a long time because :
  A)
   it changes into calcium hypochlorate
  done clear
  B)
   it changes into calcium chloride and calcium hydroxide
  done clear
  C)
   it absorbs moisture
  done clear
  D)
   it changes into calcium chloride and calcium chlorate
  done clear
  View Answer play_arrow

• question_answer69) When potassium ferrocyanide crystals are heated with concentrated sulphuric acid, the gas evolved is:
  A)
   sulphur dioxide
  done clear
  B)
   ammonia
  done clear
  C)
   carbon dioxide
  done clear
  D)
   carbon monoxide
  done clear
  View Answer play_arrow

• question_answer70) \[{{H}_{2}}+C{{l}_{2}}\xrightarrow{{}}2HCl,\,\Delta H=194kJ\]. In this reaction heat of formation of \[HCl\] in kJ is:
  A)
   \[+914kJ\]       
  done clear
  B)
   \[+97kJ\]
  done clear
  C)
   \[-97kJ\]        
  done clear
  D)
   \[-194\text{ }kJ\]
  done clear
  View Answer play_arrow

• question_answer71) One mole of an ideal gas is allowed to expand reversibly and adiabatically from a temperature of \[{{27}^{o}}C\]. If the work done during the process is 3 kJ, the final temperature will be equal to (\[C\upsilon =20\,J\,{{K}^{-1}}\])
  A)
   \[150K\]        
  done clear
  B)
   \[100K\]
  done clear
  C)
   \[26-{{85}^{o}}C\]       
  done clear
  D)
   \[295K\]
  done clear
  View Answer play_arrow

• question_answer72) Solution of sodium metal in liquid ammonia is strongly reducing due to the presence in the solution of the following:
  A)
   sodium hydride
  done clear
  B)
   sodium amide
  done clear
  C)
   sodium atoms
  done clear
  D)
   solvated electrons
  done clear
  View Answer play_arrow

• question_answer73) The IUPAC name of \[C{{H}_{3}}-C{{H}_{2}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{\overset{H}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{\overset{{{C}_{4}}{{H}_{9}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-C{{H}_{3}}\]
  A)
   3, 4, 4-trimethyl-heptane
  done clear
  B)
   3, 4, 4-trimethyl-octane
  done clear
  C)
   2-butyl, 2-methyl, 3 ethyl butane
  done clear
  D)
   2-ethyl, 3, 3-dimethyl-heptane
  done clear
  View Answer play_arrow

• question_answer74) Which of the following has lowest percentage of carbon?
  A)
   steel
  done clear
  B)
   all have same percentage
  done clear
  C)
   cast ion
  done clear
  D)
   wrought iron
  done clear
  View Answer play_arrow

• question_answer75) When ethanal is heated with Fehlings solution it gives a precipitate of:
  A)
   \[CuO\]       
  done clear
  B)
   \[C{{u}_{2}}O+CuO\]
  done clear
  C)
   \[Cu\]          
  done clear
  D)
   \[C{{u}_{2}}O\]
  done clear
  View Answer play_arrow

• question_answer76) The number of unpaired electrons in \[F{{e}^{3+}}(Z=26)\]are:
  A)
   \[5\]              
  done clear
  B)
   \[6\]
  done clear
  C)
   \[3\]           
  done clear
  D)
   \[4\]
  done clear
  View Answer play_arrow

• question_answer77) The pKa of a certain weak acid is 4-0. What should be the [salt] to [acid] ratio if we have to prepare a buffer with pH=5 using the acid and one of the salts?
  A)
   \[10:1\]         
  done clear
  B)
   \[1:10\]
  done clear
  C)
   \[4:5\]       
  done clear
  D)
   \[5:4\]
  done clear
  View Answer play_arrow

• question_answer78) Which one of the following contains both covalent and ionic bonds?
  A)
   \[N{{H}_{4}}Cl\]       
  done clear
  B)
   \[{{H}_{2}}O\]
  done clear
  C)
   \[CC{{l}_{4}}\]         
  done clear
  D)
   \[CaC{{l}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer79) The nitride ion in lithium nitride is composed of:
  A)
   7 protons \[+10\]electrons
  done clear
  B)
   10 protons \[+10\]electrons
  done clear
  C)
   7 protons \[+7\] protons
  done clear
  D)
   10 protons \[+7\] electrons
  done clear
  View Answer play_arrow

• question_answer80) In a face centred cubic cell, an atom at the face contributes to the unit cell:
  A)
   \[1/4part\]
  done clear
  B)
   \[1/8part\]
  done clear
  C)
   \[1part\]      
  done clear
  D)
     \[1/2part\]
  done clear
  View Answer play_arrow

• question_answer81) Unpleasant smelling carbylamines are formed  by  heating   alkali   and chloroform with:
  A)
   any aliphatic amine
  done clear
  B)
   any aromatic amine
  done clear
  C)
   any amine
  done clear
  D)
   any primary amine
  done clear
  View Answer play_arrow

• question_answer82) Which of the following alkyi halides is used as a methylating agent?
  A)
   \[{{C}_{2}}{{H}_{5}}Br\]      
  done clear
  B)
   \[{{C}_{6}}{{H}_{5}}Cl\]
  done clear
  C)
   \[C{{H}_{3}}Cl\]       
  done clear
  D)
   \[{{C}_{2}}{{H}_{5}}Cl\]
  done clear
  View Answer play_arrow

• question_answer83) A radioactive isotope having a half-life of 3 days was received after 12 days. It was found that there were 3 g of the isotope in the container. The initial weight of the isotope when packed was:
  A)
   \[36g\]         
  done clear
  B)
   \[48g\]
  done clear
  C)
   \[12g\]          
  done clear
  D)
   \[24g\]
  done clear
  View Answer play_arrow

• question_answer84) Cuprous ion is colourless while cupric ion is coloured because :
  A)
   both have half filled p and d-orbitals
  done clear
  B)
  cuprous ion has incomplete d-orbital and cupric ion has a complete d-orbital
  done clear
  C)
   both have unpaired electrons in the d-orbitals
  done clear
  D)
   cuprous ion has a complete d-orbital and cupric ion has an incomplete d-orbital
  done clear
  View Answer play_arrow

• question_answer85) Which of the following ions can cause coagulation of proteins?
  A)
   \[A{{g}^{+}}\]         
  done clear
  B)
   \[N{{a}^{+}}\]
  done clear
  C)
   \[M{{g}^{++}}\]        
  done clear
  D)
   \[C{{a}^{++}}\]
  done clear
  View Answer play_arrow

• question_answer86) Number of molecules in one litre of water is close to:
  A)
   \[\frac{18}{22.4}\times {{10}^{23}}\]
  done clear
  B)
   \[55.5\times 6.023\times {{10}^{23}}\]
  done clear
  C)
   \[\frac{6.023}{23.4}\times {{10}^{23}}\]
  done clear
  D)
   \[18\times 6.023\times {{10}^{23}}\]
  done clear
  View Answer play_arrow

• question_answer87) Which of the following alkali metal ions has lowest ionic mobility in aqueous solution?
  A)
   \[R{{b}^{+}}\]          
  done clear
  B)
   \[C{{s}^{+}}\]
  done clear
  C)
   \[L{{i}^{+}}\]          
  done clear
  D)
   \[N{{a}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer88)  At \[{{490}^{o}}C\], the equilibrium constant for the synthesis of \[HI\] is 50, the value of K for the dissociation of \[HI\] will be:
  A)
   \[20.0\]          
  done clear
  B)
   \[2.0\]                    
  done clear
  C)
   \[0.2\]             
  done clear
  D)
   \[0.02\]                   
  done clear
  View Answer play_arrow

• question_answer89) For which of the following reactions are the numerical value of \[{{K}_{p}}\] and \[{{K}_{c}}\]the same?                                
  A)
   \[{{H}_{2}}(g)+C{{l}_{2}}(g)\rightleftharpoons 2HCl(g)\]
  done clear
  B)
   \[{{H}_{2}}(g)+{{I}_{2}}(g)\rightleftharpoons 2HI(g)\]
  done clear
  C)
   \[2NOCl(g)\rightleftharpoons 2NO(g)+C{{l}_{2}}(g)\]
  done clear
  D)
   \[{{N}_{2}}(g)+3{{H}_{2}}(g)\rightleftharpoons 2N{{H}_{3}}(g)\]
  done clear
  View Answer play_arrow

• question_answer90) The   number   of   \[\pi \]-bonds   in \[C{{H}_{2}}=CH-CH=CH-C\equiv CH\]is:
  A)
   \[2\]           
  done clear
  B)
   \[5\]
  done clear
  C)
   \[4\]          
  done clear
  D)
   \[3\]
  done clear
  View Answer play_arrow

• question_answer91) The normality of \[2.3\text{ }M\text{ }{{H}_{2}}S{{O}_{4}}\]solution is:
  A)
   \[2.3\text{ }N\]
  done clear
  B)
   \[4.6\text{ }N\]
  done clear
  C)
   \[0.46\text{ }N\]         
  done clear
  D)
   \[0.23\text{ }N\]
  done clear
  View Answer play_arrow

• question_answer92) Hydrolytic reaction of fats with caustic soda is known as:
  A)
   acetylation    
  done clear
  B)
   carboxylation
  done clear
  C)
   esterification 
  done clear
  D)
   saponification
  done clear
  View Answer play_arrow

• question_answer93) Aluminium chloride is a/an :
  A)
   Bronsted Lowry acid
  done clear
  B)
   Arrhenius acid
  done clear
  C)
   Lewis acid
  done clear
  D)
   Lewis acid
  done clear
  View Answer play_arrow

• question_answer94) A reaction is \[A+B\rightleftharpoons C+D\] initially. We start with equal concentration of A and B. At equilibrium we find the moles of C is two times that of A. What is the equilibrium constant of the reaction?
  A)
   \[1/4\]          
  done clear
  B)
   \[1/2\]
  done clear
  C)
   \[4\]             
  done clear
  D)
   \[2\]
  done clear
  View Answer play_arrow

• question_answer95) Which of the following is not used in Friedel-Crafts reaction?
  A)
   phenyl acetanilide
  done clear
  B)
   bromobenzene
  done clear
  C)
   benzene
  done clear
  D)
   chlorobenzene
  done clear
  View Answer play_arrow

• question_answer96) On heating sodium metal in current of dry ammonia, the compound formed is:
  A)
   sodium amide
  done clear
  B)
   sodium azide
  done clear
  C)
   sodium nitride
  done clear
  D)
   sodium hydride
  done clear
  View Answer play_arrow

• question_answer97) Hydrogen bonding is maximum in:
  A)
   ethyl chloride
  done clear
  B)
   triefhyl amine
  done clear
  C)
   ethanol       
  done clear
  D)
   diethyl ether
  done clear
  View Answer play_arrow

• question_answer98) Phenol is heated with pthalic anhydride in presence of cone. \[{{H}_{2}}S{{O}_{4}}\]. The product gives pink colour with alkali. The product is:
  A)
   phenolphthalein
  done clear
  B)
   bakelite
  done clear
  C)
   salicylic acid
  done clear
  D)
   fluorescein
  done clear
  View Answer play_arrow

• question_answer99) A reaction that is of the first order with respect to reactant A has a rate constant \[6\text{ }mi{{n}^{-1}}\]. If we start with \[[A]=0.5\,mol\,{{L}^{-1}}\] when would [A] reach the value \[0.05mol\,{{L}^{-1}}\]?
  A)
   \[0.384\text{ }min\]
  done clear
  B)
   \[0.15\text{ }min\]
  done clear
  C)
   \[3\text{ }min\]
  done clear
  D)
   \[3.84\text{ }min\]
  done clear
  View Answer play_arrow

• question_answer100) Helium atom is two times heavier than a hydrogen molecule at 298 K. The average kinetic energy of helium is:
  A)
   four times that of a hydrogen molecule
  done clear
  B)
   half that of a hydrogen molecule
  done clear
  C)
   two times that of a hydrogen molecule
  done clear
  D)
   same as that of a hydrogen molecule
  done clear
  View Answer play_arrow

• question_answer101) Froth floatation process is used for the metallurgy of:
  A)
   chloride ores 
  done clear
  B)
   amalgams
  done clear
  C)
   oxide ores    
  done clear
  D)
   sulphide ores
  done clear
  View Answer play_arrow

• question_answer102) litre solution of urea contains 240 g urea. The active mass of urea will be
  A)
   \[0.04\]            
  done clear
  B)
   \[0.02\]
  done clear
  C)
   \[0.4\]             
  done clear
  D)
   \[0.2\]
  done clear
  View Answer play_arrow

• question_answer103) Which of the following does not reduce Benedicts solution?
  A)
   sucrose       
  done clear
  B)
   aldehyde
  done clear
  C)
   glucose       
  done clear
  D)
   fructose
  done clear
  View Answer play_arrow

• question_answer104) Matte contains mainly:
  A)
   \[C{{u}_{2}}S\]and \[FeS\]
  done clear
  B)
   \[CuS\] and \[F{{e}_{2}}{{S}_{3}}\]
  done clear
  C)
   \[Fe\]          
  done clear
  D)
   \[C{{u}_{2}}S\]
  done clear
  View Answer play_arrow

• question_answer105) The name of the product obtained by the addition of \[HI\] to propene in presence of peroxide catalyst is:
  A)
   isopropyl iodide
  done clear
  B)
   2-iodo propene
  done clear
  C)
   2-iodopropane
  done clear
  D)
   1-iodopropane
  done clear
  View Answer play_arrow

• question_answer106) In Nesslers reagent the ion present is:
  A)
   \[Hg{{I}^{2-}}\]        
  done clear
  B)
   \[HgI_{4}^{2-}\]
  done clear
  C)
   \[H{{g}^{+}}\]          
  done clear
  D)
   \[H{{g}^{++}}\]
  done clear
  View Answer play_arrow

• question_answer107) The calorific value is maximum in case of:
  A)
   milk          
  done clear
  B)
   minerals
  done clear
  C)
   carbohydrates
  done clear
  D)
   proteins
  done clear
  View Answer play_arrow

• question_answer108) Flux is used to:
  A)
   remove all impurities from ores
  done clear
  B)
   reduce metal oxide
  done clear
  C)
   remove silica
  done clear
  D)
   remove silica and undesirable metal oxides
  done clear
  View Answer play_arrow

• question_answer109) Which of the following molecules has the largest root mean square velocity at \[{{25}^{o}}C\]?
  A)
   \[C{{O}_{2}}\]         
  done clear
  B)
   \[S{{O}_{2}}\]
  done clear
  C)
   \[{{H}_{2}}S\]          
  done clear
  D)
   \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer110) Stainless steel contains :
  A)
   \[Fe+Cr+Cu\]
  done clear
  B)
   \[Fe+C+Ni\]
  done clear
  C)
   \[Fe+Cr+Ni\]
  done clear
  D)
   \[Fe+Ni+Cu\]
  done clear
  View Answer play_arrow

• question_answer111) The limiting radius ratio for tetrahedral shape is:
  A)
   \[0.225\]to \[0.414~\]
  done clear
  B)
   \[0.414~\]to \[0.732\]
  done clear
  C)
   \[0\] to \[0.155~\]
  done clear
  D)
   \[0.155~\]to \[0.225\]
  done clear
  View Answer play_arrow

• question_answer112) For the process dry \[ice\xrightarrow{{}}C{{O}_{2}}(g)\]
  A)
   \[\Delta H\] is positive while \[\Delta \rho \] is negative
  done clear
  B)
   both \[\Delta H\] and \[\Delta \rho \] are negative
  done clear
  C)
   both \[\Delta H\] and \[\Delta \rho \] are positive
  done clear
  D)
   \[\Delta H\] is negative while \[\Delta \rho \] is positive
  done clear
  View Answer play_arrow

• question_answer113) \[N{{H}_{3}}\] and \[B{{F}_{3}}\] form an adduct readily because they form:
  A)
   a co-ordinate bond
  done clear
  B)
   a hydrogen bond
  done clear
  C)
   an ionic bond
  done clear
  D)
   a covalent bond
  done clear
  View Answer play_arrow

• question_answer114) The brown ring test for \[N{{O}_{2}}\] and \[NO_{3}^{-}\] is due to the formation of complex ion with the formula:
  A)
   \[{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
  done clear
  B)
   \[{{[Fe(NO)\,\,{{(CN)}_{5}}]}^{2+}}\]
  done clear
  C)
   \[{{[Fe{{({{H}_{2}}O)}_{5}}NO]}^{2+}}\]
  done clear
  D)
   \[{{[Fe{{({{H}_{2}}O)}_{5}}{{(NO)}_{5}}]}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer115) Amino acids usually exist in the form of Zwitter ions. This means that it consists of:
  A)
   the basic group \[-N{{H}_{2}}\] and the acidic group \[-COOH\]
  done clear
  B)
   the basic group \[-NH_{3}^{+}\] and the acidic group \[-C{{O}_{2}}\]
  done clear
  C)
   the basic group \[-CO_{2}^{-}\] and the acidic group \[-NH_{3}^{+}\]?
  done clear
  D)
   no acidic or basic group
  done clear
  View Answer play_arrow

• question_answer116) A certain compound gives negative test with ninhydrin and positive test with Benedicts solution; it is:
  A)
   an amino acid
  done clear
  B)
   a monosaccharide
  done clear
  C)
   a lipid                                          
  done clear
  D)
   a protein
  done clear
  View Answer play_arrow

• question_answer117) If formaldehyde and KOH are heated we get:
  A)
   methane     
  done clear
  B)
   methyl alcohol
  done clear
  C)
   ethyl formate
  done clear
  D)
   acetylene
  done clear
  View Answer play_arrow

• question_answer118) Which of the following reagents is used to distinguish ethene from ethyne?
  A)
   bromine in \[CC{{l}_{4}}\]
  done clear
  B)
   ammonical \[C{{u}_{2}}C{{l}_{2}}\]
  done clear
  C)
   bromine water                         
  done clear
  D)
   alkaline KMn04
  done clear
  View Answer play_arrow

• question_answer119) Brass is an alloy of:
  A)
   \[Al\] and \[Zn\]
  done clear
  B)
   \[Cu\]and \[Al\]
  done clear
  C)
   \[Ni\] and \[Zn\]
  done clear
  D)
   \[Cu\] and   \[Zn\]        
  done clear
  View Answer play_arrow

• question_answer120)  In the above reaction X stands for:
  A)
   \[SnC{{l}_{2}}\]
  done clear
  B)
   \[NH_{3}^{+}C{{l}^{-}}\]               
  done clear
  C)
   \[N{{H}_{2}}\]
  done clear
  D)
   \[Cl\]
  done clear
  View Answer play_arrow

• question_answer121) A molecule of sedoheptulose has carbon atoms numbering:
  A)
  3
  done clear
  B)
  4
  done clear
  C)
  6
  done clear
  D)
  7
  done clear
  View Answer play_arrow

• question_answer122) The genus Euphorbia has:
  A)
   Spike
  done clear
  B)
   Thyrsus
  done clear
  C)
   Catkin
  done clear
  D)
   Cyathium
  done clear
  View Answer play_arrow

• question_answer123) The Lac Operon concept of Escherichia coli was proposed in 1961 by:
  A)
   Watson and Crick
  done clear
  B)
   H.G. Khorana
  done clear
  C)
   Meselson and Stahl
  done clear
  D)
   Jacob and Monod
  done clear
  View Answer play_arrow

• question_answer124) Heart wood helps in:
  A)
   ascent of sap
  done clear
  B)
   translocation of food
  done clear
  C)
   mechanical support
  done clear
  D)
   circulation of solutes
  done clear
  View Answer play_arrow

• question_answer125) Queen Victoria of England was:
  A)
   haemophilic
  done clear
  B)
   colorblind
  done clear
  C)
   AIDS patient
  done clear
  D)
   deaf
  done clear
  View Answer play_arrow

• question_answer126) Ion carriers are located in:
  A)
   cell wall
  done clear
  B)
   intercellular spaces
  done clear
  C)
   cell membranes
  done clear
  D)
   nucleus
  done clear
  View Answer play_arrow

• question_answer127) The chemical formula of chlorophyll- b is:
  A)
   \[{{C}_{55}}{{H}_{72}}{{O}_{5}}{{N}_{5}}Mg\]
  done clear
  B)
   \[{{C}_{55}}{{H}_{72}}{{O}_{5}}{{N}_{4}}Mg\]
  done clear
  C)
   \[{{C}_{55}}{{H}_{70}}{{O}_{6}}Mg\]
  done clear
  D)
   \[{{C}_{55}}{{H}_{70}}{{O}_{5}}{{N}_{5}}Mg\]
  done clear
  View Answer play_arrow

• question_answer128) The reaction of glycolysis occurs in:
  A)
   mitochondria
  done clear
  B)
   ribosomes
  done clear
  C)
   cytoplasm
  done clear
  D)
   golgi complex
  done clear
  View Answer play_arrow

• question_answer129) Grey crescent is present in:
  A)
   eye of frog
  done clear
  B)
   retina of cockroach
  done clear
  C)
   brain of rabbit
  done clear
  D)
   fertilized egg of frog
  done clear
  View Answer play_arrow

• question_answer130) The synthesis of w-RNA by DNA is called:
  A)
   Translation
  done clear
  B)
   Translocation
  done clear
  C)
   Transcription
  done clear
  D)
   Chain termination
  done clear
  View Answer play_arrow

• question_answer131) Match the names of organisms listed under column I with the diploid number of chromosomes given under  column II choose the answer which gives the correct combination of the alphabets of the two columns:

  	Column I (Organism)		Column II (Diploid chromosome number)
  A	Allium cepa (Onion)	p	20
  B	Arachis hypogea(Groundnut)	q	14
  C	Pisum sativum (Pea)	r	40
  D	Zea mays (Maize)	s	16
  		t	46

   
  A)
   A = p, B = q, C = r, D = s
  done clear
  B)
   A = r, B = s, C = p, D = q
  done clear
  C)
   A = s, B = r, C = q, D = p
  done clear
  D)
   A = s, B = r, C = t, D = q
  done clear
  View Answer play_arrow

• question_answer132) Match the terms listed under column I with the structures which they occur given under column II; choose the answer which gives the correct combination of alphabets of the columns:

  	Column-I (Structure)		Column-II (Occurrence)
  A	Haversian canal	p	Kidney
  B	Dendrites	q	Cartilage
  C	Sarcolemma	r	Muscle
  D	Chondrocytes	s	Nerve cells
  		t	Bone

  A)
   A = t, B = s, C = r, D = q
  done clear
  B)
   A = s, B = t, C = q, D = r
  done clear
  C)
   A = q, B = r, C = s, D = t
  done clear
  D)
   A = p, B = t, C = s, D = t
  done clear
  View Answer play_arrow

• question_answer133) A human female reaches menopause around the age of:
  A)
   25 years
  done clear
  B)
   50 years
  done clear
  C)
   70 years
  done clear
  D)
   15 years
  done clear
  View Answer play_arrow

• question_answer134) The total heat content or potential energy of a system is called:
  A)
   free energy
  done clear
  B)
   enthalpy
  done clear
  C)
   entropy
  done clear
  D)
   tropical energy
  done clear
  View Answer play_arrow

• question_answer135) Which of the following is used for fruit ripening on commercial scale?
  A)
   2, 4-D
  done clear
  B)
   2, 4, 5-T
  done clear
  C)
   IAA
  done clear
  D)
   ethylene
  done clear
  View Answer play_arrow

• question_answer136) Match the different types of instruments listed under Column I with their uses given under Column II; choose the answer which gives the correct combination of the alphabets of the two columns:

  	Column-I (Instrument)		Column-II (Uses)
  A	Auxanometer	p	Measurement of Imbibition pressure
  B	Photometer	q	Measurement of Blood pressure
  C	Dilatometer	r	Measurement of transpiration rate
  D	Sphygmomanometer	s	Measurement    of diffusion
  		t	Measurement of growth rate in plants

  A)
   A = t, B = r, C = q, D = p
  done clear
  B)
   A = t, B = i, C = p, D = q
  done clear
  C)
   A = t, B = p, C = r, D = q
  done clear
  D)
   A = s, B = r, C = q, D = p
  done clear
  View Answer play_arrow

• question_answer137) The dihybrid test cross ratio is:
  A)
   3 : 1
  done clear
  B)
   9 : 3 : 3 : 1
  done clear
  C)
   1 : 1 : 1 : 1
  done clear
  D)
   1 : 1
  done clear
  View Answer play_arrow

• question_answer138) Molecular Scissors used in genetic engineering is:
  A)
   DNA polymerase
  done clear
  B)
   DNA ligase
  done clear
  C)
   restriction endonuclease
  done clear
  D)
   helicase
  done clear
  View Answer play_arrow

• question_answer139) Blood pressure of a healthy person is:
  A)
   120 / 80
  done clear
  B)
   140 / 60
  done clear
  C)
   90 / 60
  done clear
  D)
   200 / 130
  done clear
  View Answer play_arrow

• question_answer140) Person who is colorblind cannot distinguish:
  A)
   yellow and white
  done clear
  B)
   green and blue
  done clear
  C)
   black and yellow
  done clear
  D)
   red and green
  done clear
  View Answer play_arrow

• question_answer141) Lateral roots develop from:
  A)
   epiblema
  done clear
  B)
   pericycle
  done clear
  C)
   medulla
  done clear
  D)
   endodermis
  done clear
  View Answer play_arrow

• question_answer142) Match the names of plants given under Column I with the families to which they belong given under Column II; choose the answer which gives the correct combination of the alphabets:

  	Column-I (Plant names)		Column-II (Family names)
  A	Nerium indicum	p	Arecaceae
  B	Cassia fistula	q	Solanaceae
  C	Caryota urens	r	Liliaceae
  D	Nicotiana tobacum	s	Apocynaceae
  		t	Caesalpiniaceae

  A)
   A = s, B = f, C = p, D = q
  done clear
  B)
   A = s, B = t, C = q, D = p
  done clear
  C)
   A = t, B = s, C = q, D = p
  done clear
  D)
   A = s, B = p, C = t, D = q
  done clear
  View Answer play_arrow

• question_answer143) Animals living at the bottom of the sea are called:
  A)
   lentic
  done clear
  B)
   lotic
  done clear
  C)
   benthic
  done clear
  D)
   pelagic
  done clear
  View Answer play_arrow

• question_answer144) NEERI is:
  A)
   National Ecological and Environmental Research Institute
  done clear
  B)
   National Environmental Engineering Research Institute
  done clear
  C)
   National Ethological and Ecological Research Institute
  done clear
  D)
   National Eugenics and Ecological Research Institute
  done clear
  View Answer play_arrow

• question_answer145) In a human being, the number of cranial nerves are:
  A)
   10 pairs
  done clear
  B)
   12 pairs
  done clear
  C)
   6 pairs
  done clear
  D)
   20 pairs
  done clear
  View Answer play_arrow

• question_answer146) The animal used to explain industrial melanism is:
  A)
   lizard
  done clear
  B)
   frog
  done clear
  C)
   monkey
  done clear
  D)
   peppered moth
  done clear
  View Answer play_arrow

• question_answer147) Match the animals list with names under Column I with the animals listed with regular zoological name given Column II; choose the answer which given the correct combination of the alphabets of the two columns:

  	Column-I (Animals with common name)		Column-II (Animals with zoological name)
  A	Starfish	p	Sepia
  B	Jellyfish	q	Asteropecten
  C	Devilfish	r	Aurelia
  D	Cuttlefish	s	Octopus
  		t	Hippocampus

  A)
   A = q, B = p, C = s, D = r
  done clear
  B)
   A = q, B = r, C = s, D = p
  done clear
  C)
   A = t, B = p, C = s, D = q
  done clear
  D)
   A = t, B = s, C = p, D = r
  done clear
  View Answer play_arrow

• question_answer148) Match the names of the diseases/disorders given    under Column I with the organ system affected under Column II; choose the answer which gives the correct combination of the alphabets of the two columns:

  	Column-I (Diseases/ Disorders)		Column-II (Organ system)
  A	Emphysema	p	Nervous system
  B	Ulcer	q	Circulatory system
  C	Arteriosclerosis(AS)	r	Respiratory system
  D	Epilepsy	s	Digestive system
  		t	Excretory system

  A)
   A = r, B = s, C = t, D = q
  done clear
  B)
   A = r, B = s, C = q, D = p
  done clear
  C)
   A = r, B = s, C = p, D = t
  done clear
  D)
   A = r, B = t, C = p, D = q
  done clear
  View Answer play_arrow

• question_answer149) Match the names of triplet codons listed under the Column I with the amino acids given under Column II; choose the answer which gives the correct combination of the alphabets of the two columns:

  	Column-I (Triplet codons)		Column-II (Amino acids)
  A	UUU	p	Alanine
  B	CCC	q	Glycine
  C	AAA	r	Lysine
  D	GGG	s	Proline
  		t	Phenyl alanine

  A)
   A = p, B = r, C = s, D = t
  done clear
  B)
   A = q, B = r, C = s, D = t
  done clear
  C)
   A = s, B = t, C = q, D = r
  done clear
  D)
   A = t, B = s, C = r, D = q
  done clear
  View Answer play_arrow

• question_answer150) Emerson effect is associated with:
  A)
   respiration
  done clear
  B)
   salt absorption
  done clear
  C)
   photosynthesis
  done clear
  D)
   transpiration
  done clear
  View Answer play_arrow

• question_answer151) Match the names of the structure listed under Column I with the functions given under Column II; choose the answer which gives the correct combination of the alphabets of the two columns:

  	Column-I (Structure)		Column-II (Function)
  A	Stomata	p	Protection of stem
  B	Bark	q	Plant movements
  C	Cambium	r	Secondary growth
  D	Hydathode	s	Transpiration
  		t	Guttation

  A)
   A = t, B = r, C = p, D = s
  done clear
  B)
   A = p, B = s, C = t, D = r,
  done clear
  C)
   A = q, B = s, C = p, D = r
  done clear
  D)
   A = s, B = p, C = r, D = t
  done clear
  View Answer play_arrow

• question_answer152) The species of animal protected in Kaziranga sanctuary is:
  A)
   Panthera leo
  done clear
  B)
   Rhinoceros unicomis
  done clear
  C)
   Macaca mulatto
  done clear
  D)
   Panthera tigris
  done clear
  View Answer play_arrow

• question_answer153) The concept of ecological pyramids was developed by:
  A)
   Darwin
  done clear
  B)
   Elton
  done clear
  C)
   Reiter
  done clear
  D)
   Odum
  done clear
  View Answer play_arrow

• question_answer154) Match the names of activities listed under Column I with the description of activity given under Column II; choose the answer which gives the correct combination of the alphabets of the two columns:

  	Column-I (Activities)		Column-II (Description of activity)
  A	Transpiration	p	Anaerobic respiration in yeast
  B	Guttation	q	Active absorption of water
  C	Exudation	r	Loss of water vapour from plant parts
  D	Fermentation	s	Loss of liquid water from leaves
  		t	Loss of water from injured plant parts

  A)
   A = p, B = t, C = s, D = r
  done clear
  B)
   A = q, B = r, C = s, D = t
  done clear
  C)
   A = s, B = r, C = p, D = t
  done clear
  D)
   A = r, B = s, C = t, D = p
  done clear
  View Answer play_arrow

• question_answer155) Match the names of branches of science listed under Column I with the field of study given under Column II; choose the choice which gives the correct combination of the alphabets:

  	Column-I (Branch of science)		Column-II (Field of study)
  A	Mycology	p	Study of birds
  B	Ornithology	q	Study of worms
  C	Herpetology	r	Study of fishes
  D	Ichthyology	s	Study of fungi
  		t	Study of snakes

  A)
   A = s, B =t, C = p, D = r
  done clear
  B)
   A = s, B =p, C = t, D = r
  done clear
  C)
   A = p, B =s, C = r, D = t
  done clear
  D)
   A = q, B =s, C = r, D = t
  done clear
  View Answer play_arrow

• question_answer156) The largest gland in the human body is:
  A)
   pancreas
  done clear
  B)
   brain
  done clear
  C)
   gall bladder
  done clear
  D)
   liver
  done clear
  View Answer play_arrow

• question_answer157) The atmospheric humidity is measured by:
  A)
   photometer
  done clear
  B)
   potometer
  done clear
  C)
   auxanometer
  done clear
  D)
   hygrometer
  done clear
  View Answer play_arrow

• question_answer158) A cross between \[{{F}_{1}}\]hybrid and the recessive parent is called:
  A)
   monohybrid cross
  done clear
  B)
   dihybrid cross
  done clear
  C)
   trihybrid cross
  done clear
  D)
   test cross
  done clear
  View Answer play_arrow

• question_answer159) Passage cells are found in:
  A)
   endodermis
  done clear
  B)
   pericycle
  done clear
  C)
   epidermis
  done clear
  D)
   pith
  done clear
  View Answer play_arrow

• question_answer160) Iodine test is used to detect:
  A)
   malaria
  done clear
  B)
   typhoid
  done clear
  C)
   carbohydrates
  done clear
  D)
   fats
  done clear
  View Answer play_arrow

• question_answer161) Tyloses are the structures found in xylem vessels:
  A)
   help in efficient flow of water
  done clear
  B)
   help in efficient flow of nutrients
  done clear
  C)
   function is neutral
  done clear
  D)
   all the time hinders the flow of water
  done clear
  View Answer play_arrow

• question_answer162) Match the types of animal tissues listed under Column I with the location given under Column II; choose the answer which gives the correct combination of the alphabets of the two columns:

  	Column-I (Tissues)		Column-II (Location)
  A	Simple columnar epithelium	p	Wall of heart
  B	Cardiac muscle	q	Bone joints
  C	Adipose tissue	r	Inner lining   of stomach and intestine
  D	Hyaline cartilage	s	Below the skin in the abdomen, buttocks, thighs and breasts
  		t	Diaphragm

  A)
   A = p, B = r, C = s, D = t
  done clear
  B)
   A = r, B = p, C = t, D = s
  done clear
  C)
   A = r, B = p, C = s, D = q
  done clear
  D)
   A = r, B = t, C = q, D = s
  done clear
  View Answer play_arrow

• question_answer163) As it travels along the food chain the concentration of DDT:
  A)
   increases
  done clear
  B)
   decreases
  done clear
  C)
   stays constant
  done clear
  D)
   fluctuates randomly
  done clear
  View Answer play_arrow

• question_answer164) Many transplanted seedlings may not survive because:
  A)
   they do not like the new soil
  done clear
  B)
   they do not get the required mineral salts
  done clear
  C)
   the leaves get damaged during the transfer
  done clear
  D)
   most of the root hairs are lost during transplantation
  done clear
  View Answer play_arrow

• question_answer165) Match the name of the scientists given under Column I with the areas of contributions given under Column II; choose the answer which gives correct combination of the alphabets:

  	Column-I (Scientists)		Column-II (Contributions)
  A	H.H. Dixon and J. Jolly	p	Photosynthesis
  B	Earnest Munch	q	Photoperiodism
  C	Levitt	r	Stomatal mechanism
  D	W.W. Garner and H.H. Allard	s	Translocation   of organic solutes
  		t	Ascent of sap

  A)
   A = t, B = s, C = q, D = r
  done clear
  B)
   A = t, B = r, C = s, D = q
  done clear
  C)
   A = s, B = t, C = q, D = r
  done clear
  D)
   A = t, B = s, C = r, D = q
  done clear
  View Answer play_arrow

• question_answer166) The blood protein involved in blood coagulation is:
  A)
   thrombin
  done clear
  B)
   fibrin
  done clear
  C)
   fibrinogen
  done clear
  D)
   prothrombin
  done clear
  View Answer play_arrow

• question_answer167) Bacteria cannot survive in a highly salted pickle because:
  A)
   the pickle does not contain nutrients necessary for bacteria to live
  done clear
  B)
   bacteria do not get enough light for photosynthesis
  done clear
  C)
   bacteria get plasmolysed and are consequently killed
  done clear
  D)
   salt inhibits reproduction
  done clear
  View Answer play_arrow

• question_answer168) Match the name of commonly abused drugs listed under Column I with the example given under Column II; choose the choice which gives the correct combination of the alphabets:

  	Column-I (Commonly abused drugs)		Column-II (Examples)
  A	Opiates	p	Ganja and Charas
  B	Stimulants	q	Nembutal and Seconal
  C	Hallucinogens	r	Benzedrine and Methedrine
  D	Depressents	s	Rum and Whisky
  		t	Opium and Heroin

  A)
   A = s, B = t, C =r, D = p
  done clear
  B)
   A = t, B = q, C =r, D = p
  done clear
  C)
   A = t, B = r, C =q, D = p
  done clear
  D)
   A = t, B = r, C =p, D = q
  done clear
  View Answer play_arrow

• question_answer169) The TMV capsid has capsomeres numbering:
  A)
   2310
  done clear
  B)
   3120
  done clear
  C)
   1230
  done clear
  D)
   2130
  done clear
  View Answer play_arrow

• question_answer170) In the diagram of T.S. of the spinal cord as given below, certain parts have been indicated by alphabets; choose the answer in which these alphabets have been correctly matched with the parts of which they indicate: T.S. of Spinal
  A)
   A = Dorsal septum, B = Dorsal horn C = Grey matter, D = White matter E = Central cavity, F = Ventral root G = Dorsal root and ganglion, H = Venral horn.
  done clear
  B)
    A = Dorsal septum, B = Dorsal horn C = Central cavity, D = Grey matter E = Ventral hom, P = White matter G = Dorsal root and ganglion, H = Ventral root
  done clear
  C)
    A = Dorsal septum, B = Dorsal horn, C = Grey matter, D = Central cavity E = White matter, F = Ventral horn, G = Ventral root, H = Dorsal root and ganglion
  done clear
  D)
    A = Dorsal septum, B = Dorsal horn C = Central cavity, D = Grey matter E = Ventral horn, F = White matter G = Dorsal root and ganglion, H = Ventral root
  done clear
  View Answer play_arrow

• question_answer171) The frog that feeds on an insect is a:
  A)
   primary consumer
  done clear
  B)
   secondary consumer
  done clear
  C)
   tertiary consumer
  done clear
  D)
   decomposers
  done clear
  View Answer play_arrow

• question_answer172) The oxidation of one NADH2 yields:
  A)
   1 ATP
  done clear
  B)
   2 APT
  done clear
  C)
   3 ATP
  done clear
  D)
   38 ATP
  done clear
  View Answer play_arrow

• question_answer173) \[{{G}_{1}}\], S and \[{{G}_{2}}\]stages are seen in:
  A)
   prophase
  done clear
  B)
   metaphase
  done clear
  C)
   interphase
  done clear
  D)
   anaphase
  done clear
  View Answer play_arrow

• question_answer174) Match the digestive juices listed under Column I with the enzymes given under Column II; choose the choice which gives the correct combination of the alphabets of the two columns:

  	Column-I (Digestive juices)		Column-II (Enzymes)
  A	Saliva	p	Disaccharases
  B	Gastric juice	q	Trypsin
  C	Pancreatic juice	r	Ptyalin
  D	Intestinal juice	s	Pepsin
  		t	Cellulase

   
  A)
   A = r, B = t, C = p, D = q
  done clear
  B)
   A = r, B = s, C = p, D = t
  done clear
  C)
   A = r, B = s, C = q, D = p
  done clear
  D)
   A = s, B = r, C = p, D = t
  done clear
  View Answer play_arrow

• question_answer175) Match the names of the parts listed under Column I with the names of the organs listed under Column II; choose the answer which gives the correct combination of the alphabets:

  	Column-I (Parts)		Column-II (Organs)
  A	Bicuspid valve	p	Brain
  B	Nephron	q	Liver
  C	Alveoli	r	Heart
  D	Cerebrum	s	Kidney
  		t	Lungs

   
  A)
   A = s, B = q, C = p, D = t
  done clear
  B)
   A = s, B = s, C = p, D = t
  done clear
  C)
   A = r, B = t, C = s,D = p
  done clear
  D)
   A = r, B = s, C = t, D = p
  done clear
  View Answer play_arrow

• question_answer176) Cell eating is called:
  A)
   osmosis
  done clear
  B)
   diffusion
  done clear
  C)
   pinocytosis
  done clear
  D)
   phagocytosis
  done clear
  View Answer play_arrow

• question_answer177) Ichthyophis is a:
  A)
   worm
  done clear
  B)
   limbless reptile
  done clear
  C)
   limbless amphibian
  done clear
  D)
   limbless mammal
  done clear
  View Answer play_arrow

• question_answer178) The following organism causes the African sleeping sickness:
  A)
   Pammecium
  done clear
  B)
   Amoeba
  done clear
  C)
   Plasmodium
  done clear
  D)
   Trypanosoma
  done clear
  View Answer play_arrow

• question_answer179) The minimata disease of Japan was caused by:
  A)
   lead pollution
  done clear
  B)
   mercury pollution
  done clear
  C)
   \[C{{O}_{2}}\]pollution
  done clear
  D)
   \[S{{O}_{2}}\]pollution
  done clear
  View Answer play_arrow

• question_answer180) Agar-agar which is used in tissue culture is obtained from a:
  A)
   Fungi      
  done clear
  B)
   Algae
  done clear
  C)
   Pteridophyta
  done clear
  D)
   Bryophyta
  done clear
  View Answer play_arrow