# Solved papers for RAJASTHAN PMT Rajasthan - PMT Solved Paper-1997

### done Rajasthan - PMT Solved Paper-1997

• question_answer1) A wave front is an imaginary surface where;

A) all particles lying on this vibrate in same phase

B) all particles tying on this vibrate in opposite phase

C) some particles in same phase and some in opposite phase

D) none of these

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• question_answer2) A long wire is in north-south direction, it is dropped freely towards earth, then no potential difference is induced between its ends. This statement is:

A) true

B) false

C) meaningless

D) none of these

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• question_answer3) Radius of earth is 6400 km. The weight of body at a height of 6400 km from surface of earth will be:

A) half

B) one fourth

C) one third

D) no change

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• question_answer4) The dimension of intensity of magnetic field is:

A) $\text{ }\!\![\!\!\text{ }{{\text{M}}^{\text{0}}}{{\text{L}}^{\text{-1}}}{{\text{T}}^{\text{0}}}{{\text{A}}^{\text{1}}}\text{ }\!\!]\!\!\text{ }$

B) $\text{ }\!\![\!\!\text{ }{{\text{M}}^{1}}{{\text{L}}^{\text{1}}}{{\text{T}}^{\text{-2}}}{{\text{A}}^{\text{-1}}}\text{ }\!\!]\!\!\text{ }$

C) $\text{ }\!\![\!\!\text{ }{{\text{M}}^{1}}{{\text{L}}^{0}}{{\text{T}}^{\text{-2}}}{{\text{A}}^{\text{-1}}}\text{ }\!\!]\!\!\text{ }$

D) $\text{ }\!\![\!\!\text{ }{{\text{M}}^{1}}{{\text{L}}^{1}}{{\text{T}}^{\text{-2}}}{{\text{A}}^{\text{1}}}\text{ }\!\!]\!\!\text{ }$

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• question_answer5) On dropping a water drop on surface of oil it will:

A) mix in oil

B) flow as a film

C) deformed

D) be of spherical shape

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• question_answer6) Value of escape velocity from earth surface is:

A) 11.2km/s

B) 112m/s

C) 22.4km/s

D) 11200 km/s

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• question_answer7) Which of these relations is wrong?

A) $\text{1}\,\text{cal}\,\text{=4}\text{.18}\,\text{J}$

B) $\text{1}\,\overset{\text{ }\!\!{}^\circ\!\!\text{ }}{\mathop{\text{A}}}\,\,\text{=}\,\text{1}{{\text{0}}^{\text{18}}}\text{m}$

C) $MeV\,\,\text{=}\,\text{1}\text{.6}{{\times }^{\text{-13}}}\text{J}$

D) $1N\,\,\text{=}\,\text{1}{{\text{0}}^{\text{-5}}}$ dyne

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• question_answer8) The direction of wave front of a wave with the direction of propagation of wave is:

A) parallel

B) perpendicular

C) opposite

D) at angle

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• question_answer9) Work of electric motor is:

A) to convert A.C. into D.C.

B) to convert D.C. into A.C.

C) both (a) and (b)

D) to convert A.C. into mechanical energy

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• question_answer10) A.C. is measured b:

A) induction coil

B) moving coil galvanometer

C) tangent galvanometer

D) hot wire ammeter

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• question_answer11) Which is true for adiabatic process?

A) $\text{d}\,\text{=}\,\text{0}$

B) $\text{dU=}\,\text{-}\,\text{dW}$

C) $=$constant

D) S is not constant

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• question_answer12) True for real gas is:

A) do not obey Boyles law

B) obey PV=RT

C) internal energy depends on temperature only

D) obey van der Waals equation

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• question_answer13) Lenzs law is bifurcated form of law:

A) conservation of energy

B) conservation of mass

C) conservation of linear momentum

D) conservation of angular momentum

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• question_answer14) Angular momentum is constant in absent of external.

A) force

B) torque

C) both a and b

D) inertia

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• question_answer15) Critical temperature of $C{{O}_{2}}$ gas is:

A) $31.1{}^\circ C$

B) $55{}^\circ C$

C) $147.1{}^\circ C$

D) $273\text{ }K$

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• question_answer16) To form a bigger drop constituting small drops. The surface energy of the bigger drop is... the total surface energy of small drops:

A) less than

B) more than

C) equal to

D) cant say

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• question_answer17) Effect of forward bias on depletion layer is:

A) decreases

B) increases

C) remains same

D) none of these

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• question_answer18) The reason for the appearance of bottom of bucket filled with liquid up :

A) refraction of light

B) interference

C) diffraction

D) none of these

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• question_answer19) On charging a soap bubble its radius:

A) increases

B) decreases

C) remains same

D) first increases then decreases

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• question_answer20) Light moves in straight line because:

A) it is not absorbed by the atmosphere

B) its velocity is too high

C) effect of diffraction is negligible for light

D) none of these

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• question_answer21) Hot wire ameter is used for:

A) to measure D.C.

B) to measure A.C.

C) neither in A.C. nor in D.C,

D) for both A.C. and D.C.

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• question_answer22) Which of the statement is wrong for isothermal state?

A) Temperature is constant

B) Internal energy is constant

C) No transfer of energy takes place

D) 1st two statements are true

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• question_answer23) A resistance and r coil are connected in series with an A.C. sourer voltage 20 V. If the potential difference across resistance across resistance is 12 volt. Then what will be potential difference across the coil:

A) 16 volt

B) 10 volt

C) 8 volt

D) 6 volt

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• question_answer24) Average power loss in an induction coil is:

A) $\frac{1}{2}L{{I}^{2}}$

B) $2L{{I}^{2}}$

C) $\frac{1}{4}L{{I}^{2}}$

D) zero

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• question_answer25) The minimum wavelength of X-rays produced from an electron accelerated from V volt is:

A) $\frac{eV}{hc}$

B) $\frac{hc}{eV}$

C) $\frac{ch}{eV}$

D) $\frac{h}{V}$

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• question_answer26) The electric potential in a conducting hollow sphere will be:

A) zero

B) proportional to distance from centre

C) inversely proportional to distance of centre

D) inversely proportional to square distance from centre

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• question_answer27) Two identical satellite are revolving round the earth at a height of R and 7R from surface of earth. Then which of the following statement is wrong (R is radius of earth)?

A) The ratio of total energy of both will 4

B) The ratio of K.E. of both will be 4

C) The ratio of P.E. of both will be 4

D) The ratio of total energy of both will 4 and ratio of K.E. and P.E. will be2

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• question_answer28) The relation between flowing current $\text{(i)}$ and deflection $(\theta )$ obtained in moving coil galvanometer will be:

A) $i\propto \tan \,\theta$

B) $i\propto \,\theta$

C) $i\propto \,{{\theta }^{2}}$

D)        $i\propto \,\sqrt{\theta }$

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• question_answer29) Bending of light from the edges of object called:

A) reflection

B) diffraction

C) refraction

D) interference

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• question_answer30) Amplification factor of a triode valve depends upon:

A) temperature of cathode

B) plate voltage

C) grid voltage

D) grid and plate voltage

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• question_answer31) The torque acting on a current carrying loop placed in magnetic field does n depend upon:

A) size of loop

B) area of loop

C) value of current

D) magnetic field

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• question_answer32) For a monochromatic light, in minimum deviation, position of prism :

A) angle of incidence is more than emergence angle

B) incidence angle is $90{}^\circ$

C) incidence angle is equal to emergence angle

D) incidence angle emergence angle and prism angle will be same

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• question_answer33) Two rod of metal A and B are of same length has their resistance in the ratio 1:2. Which will suffer more loss in weight on inserting in water?

A) Loss of weight be more for A

B) Loss of weight will be more for B

C) Loss of weight will be equal for both

D) Ratio of weight will be 1 : 2

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• question_answer34) A glass slab of thickness 4 cm contains the same number of waves as 5 cm of water column- When both are transmersed by the same monochromatic light. If the refractive index of water is 4/3, what is that of glass:

A) 5/3

B) 5/4

C) 16/15

D) 1/5

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• question_answer35) When the torque acting on a rotating body is zero then what will remain constant?

A) Force

B) Linear momentum

C) Angular momentum

D) All the above

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• question_answer36) Work of a convex lens is:

A) it converges light rays

B) it diverges light rays

C) always form real images

D) always form virtual images

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• question_answer37) If a horizontal wire is dropped in east-west direction then:

A) no e.m.f. will be induced

B) no current will be induced

C) induced current will flow from west to east

D) induced current will flow from east to west

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• question_answer38) When a capillary of radius R is dipped into water, water rises upto height H and the mass of this liquid is M. Now if capillary of radius 2R is dipped into water. What will be the mass of the water rises in capillary:

A) M

B) 2M

C) $\frac{M}{2}$

D) 4M

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• question_answer39) If Youngs double slit experiment is performed in water, then fringe width will:

A) infinite

B) decrease

C) increase

D) remain unchanged

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• question_answer40) If the half life time of a radioactive material is 3 hours. What will be its quantity after 9 hours?

A) 1/9

B) 1/27

C) 1/6

D) 1/8

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• question_answer41) Both $\text{-}$rays and X-rays are electromagnetic waves, then the main difference between, these is :

A) X-rays are produced from nucleus while $\text{-}$rays are speciality of atom

B) X-rays are speciality of atom and $\text{-}$rays are produced from nucleus

C) Frequency of $\text{-}$rays is less than X-rays

D) velocity of $\text{-}$rays is more than X-rays

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• question_answer42) Velocity of light in diamond, glass and water will be in tine following order:

A) diamond < water < glass

B) water < glass < diamond

C) diamond > water > glass

D) diamond > glass > water

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• question_answer43) In Youngs experiment, when the distance between slit and screen is doubled, while separation of slit is halved, then fringe width will be:

A) 4 times

B) 1/4

C) doubled

D) unchanged

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• question_answer44) The process in which solid converts directly in vapour on heating is known as:

A) vaporization

B) sublimation

C) boiling

D) condensation

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• question_answer45) Two long thin parallel wires are placed at a distance (r) from each other carrying equal current $I$ in opposite direction. The magnitude of force per unit length which is exerted by each wire on the other is :

A) $\frac{{{\mu }_{0}}{{I}^{2}}}{r}$

B) $\frac{{{\mu }_{0}}{{I}^{2}}}{2\pi r}$

C) $\frac{{{\mu }_{0}}I}{2\pi r}$

D) $\frac{{{\mu }_{0}}^{2}I}{2\pi {{r}^{2}}}$

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• question_answer46) At a definite temperature for a given wavelength the ratio of emissive power of all objects and that of perfectly black body at the same temperature is called as :

A) relative emissivity

B) emissivity

C) absorption coefficient

D) reflection coefficient

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• question_answer47) On bombarding neutrons on$_{\text{92}}{{\text{U}}^{\text{235}}}$ the number of emitted neutrons will be:

A) 1

B) 2

C) 3

D) 4

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• question_answer48) Frequency of A.C. in India is:

A) 50 Hz

B) 60 Hz

C) 220 Hz

D) 110 Hz

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• question_answer49) If we carry a body of 5 kg in space, then its mass will be:

A) 5 kg

B) 10kg

C) 2 kg

D) 30kg

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• question_answer50) Magnetic suspectibility of a diamagnetic substance is:

A) small and positive

B) small and negative

C) high and negative

D) high and positive

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• question_answer51) Refractive index of glass is 3/2 and that of water is 4/3. If speed of light in glass is 2x 108 m/s, then speed of light in water is:

A) $2.67\,\times {{10}^{8}}\,m/s$

B) $2.67\,\times {{10}^{-2}}\,m/s$

C) $2\times {{10}^{8}}\,m/s$

D) $2.25\,\times {{10}^{8}}\,m/s$

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• question_answer52) Temperature which is same in centigrade and Fahrenheit scales of temperature is:

A) $-40{}^\circ$

B) $40{}^\circ$

C) $36.6{}^\circ$

D) $3.8{}^\circ$

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• question_answer53) The value of R in the following circuit diagram will be:

A) 5$\Omega$

B) 6$\Omega$

C) 8$\Omega$

D) 24$\Omega$

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• question_answer54) Focal length of a convergent lens is R. Now if lens is dipped into water of refractive index 1.33, then focal length of lens will be (refractive index of material of lens = 1.5):

A) R

B) 2R

C) 4R

D) R/2

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• question_answer55) If the refractive index of a material for red, yellow and voilet colours are 1.42, 1.50, 1.62. Then dispersive power of the material will be:

A) 0.4

B) 1.33

C) 0.2

D) 0.1

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• question_answer56) A magnet is brought near a (i) rapidly (ii) slowly, the induced e.m.f. will be :

A) more in case$\text{I}$

B) more in case $\text{II}$

C) equal in both cases

D) more or less depending upon radius of coil

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• question_answer57) A watch shows time as 3 : 25, when this time is seen in a mirror, the time will be.

A) 8: 35

B) 9 : 35

C) 7 : 35

D) 8 : 25

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• question_answer58) Two sources of light are called coherent if their:

A) wavelength is equal

B) amplitudes are equal

C) wavelengths are equal and phase difference is constant

D) amplitude and wavelengths are equal

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• question_answer59) When a ray of light enters into water from air, then its wavelength :

A) decreases

B) increases

C) remains same

D) none of these

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• question_answer60) In a A.C. circuit V = 100 sin t volt and $I=100\,\sin \,\left( 100t+\frac{\pi }{3} \right)$A, then average power loss will be:

A) ${{10}^{4}}W$

B) 100 W

C) 2.5 kW

D) 10 W

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• question_answer61) Frequency range of audible waves is:

A) 20 to 20,000 Hz

B) ${{10}^{6}}$ to ${{10}^{8}}$ Hz

C) 10-20 Hz

D) none of these

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• question_answer62) In a D.C. motor the current in the armature is maximum at the:

A) time of start

B) time of off

C) position of maximum speed

D) all the times

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• question_answer63) Choose the wrong statement for L-C-R series circuit:

A) potential difference across resistance and the applied e.m.f. are always in same phase

B) the phase difference between e.m.f. and potential difference across inductive coil is $90{}^\circ$

C) the phase difference between potential difference across capacitor and potential difference across inductance is $\text{/2}$

D) the phase difference between potential difference across capacitor and potential difference across resistance is$\text{/2}$

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• question_answer64) Wave front means:

A) all the particles on same wave front are in same phase of vibration

B) all the particles on same wave front are in opposite phase of vibration

C) some particles are in same phase and some arc in opposite phase

D) none of these

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• question_answer65) In Youngs experiment, slits are separated by 1 mm and screen is 1 m away from slits. If 10th bright fringe is at a distance of 5 mm from central then wavelengths of light used will be:

A) $5000\overset{\text{o}}{\mathop{\text{A}}}\,$

B) $6000\overset{\text{o}}{\mathop{\text{A}}}\,$

C) $7000\overset{\text{o}}{\mathop{\text{A}}}\,$

D) $8000\overset{\text{o}}{\mathop{\text{A}}}\,$

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• question_answer66) A compound lens is formed by combining one convex and one concave lens of same focal length 20 cm. This compound lens is used to see a 5 cm high object situated at a distance of 20 cm. Image will be:

A) enlarged and reverse

B) small and erect

C) errect and same size of object

D) reverse and same size of object

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• question_answer67) Dispersive power of a prism depends upon:

A) material of prism

B) angle of prism

C) shape of prism

D) incidence angle

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• question_answer68) Resistance of a chock coil is:

A) high

B) low

C) definite

D) infinite

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• question_answer69) Fresnels biprism experiment is performed in water in place of air then fringe width will:

A) increase

B) decrease

C) remains same

D) cant say

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• question_answer70) $\text{-}$rays can be differentiate from X-rays on the following basis:

A) on the basis of production

B) on basis of penetrating power

C) on basis of reflection

D) on basis of diffraction

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• question_answer71) On a white screen red light from one source and green light from another source is falling. Colour of the screen will be:

A) black

B) yellow

C) green

D) blue

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• question_answer72) Soap film appears coloured because:

A) dispersion of light

B) interference of light

C) refraction of light

D) total internal refraction

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• question_answer73) The ratio of average potential energy and total energy of a body will be :

A) 1 : 2

B) 2 : 1

C) 3 : 2

D) 2 : 3

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• question_answer74) Two lenses of power + 2.5 D and - 3.75 D are placed in contact to form compound lens. What will be the focal length of compound lens?

A) - 20 cm

B) - 40 cm

C) - 60 cm

D) - 80 cm

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• question_answer75) If the distance between point light source and screen is doubled then intensity of light will be:

A) $\text{4I}$

B) $\text{2I}$

C) $\text{I/2}$

D) $\text{I/4}$

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• question_answer76) Two lenses in contact form an achromatic lens, their focal lengths are in the ratio 2:3 Their dispersive powers must be in the ratio of:

A) 1 : 3

B) 2 : 3

C) 3 : 2

D) 3 : 1

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• question_answer77) Thermionic current $\text{(I)}$depends on temperature (T) as :

A) ${{T}^{2}}$

B) ${{T}^{1/2}}$

C) ${{T}^{3/2}}$

D) ${{T}^{4}}$

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• question_answer78) A pair of isotoncs is :

A) $_{\text{6}}{{\text{C}}^{\text{14}}}\,\text{and}{{\,}_{\text{6}}}{{\text{C}}^{\text{12}}}$

B) $_{\text{6}}{{\text{C}}^{\text{15}}}\,\text{and}{{\,}_{7}}{{\text{C}}^{\text{14}}}$

C) $_{7}{{\text{C}}^{\text{13}}}\,\text{and}{{\,}_{6}}{{\text{C}}^{\text{12}}}$

D) $_{7}{{\text{C}}^{\text{13}}}\,\text{and}{{\,}_{6}}{{\text{C}}^{\text{14}}}$

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• question_answer79) Property of converging lens is:

A) converges light rays on a point

B) diverges light rays

C) no lens is converging

D) none of these

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• question_answer80) Direction of current in diode valve is:

A) cathode to plate

B) plate to cathode

C) current is same for both sides

D) current is zero in diode

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• question_answer81) Diode is used as a:

A) oscillator

B) amplifier

C) rectifier

D) current amplifier

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• question_answer82) Process of converting A.C. into D.C. is:

A) purification

B) amplification

C) rectification

D) none of these

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• question_answer83) A mica sheet of thickness t and refractive index $\mu$ is introduced in the path of one or two in terferring beams in Youngs double slit experiment. The central fringe will be displaced by:

A) $\frac{(\mu -1)t}{dD}$

B) $0$

C) $\infty$

D) $\frac{(\mu -1)tD}{d}$

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• question_answer84) Which of the following is anti particle of electron?

A) $_{0}{{n}^{1}}$

B) $_{1}{{H}^{1}}$

C) Positron

D) Neutron

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• question_answer85) If mass and radius of a hollow sphere are M and R respectively, then its moment of inertia, w.r.t. its diameter is :

A) $\frac{2}{5}M{{R}^{2}}$

B) $\frac{2}{3}M{{R}^{2}}$

C) $\frac{1}{2}M{{R}^{2}}$

D) $M{{R}^{2}}$

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• question_answer86) The time of flight and range of a projectile are 10 second and 500 m respectively. The maximum height obtained by it will be:

A) 125 m

B) 50 m

C) 100 m

D) 150 m

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• question_answer87) Which of the following is true for triode valve?

A) $\,\text{=}\,\text{r}{{ }_{\text{P}}}\text{ }\!\!\times\!\!\text{ }\,{{\text{g}}_{\text{m}}}$

B) $\,\text{r}{{ }_{\text{P}}}=\,{{\text{g}}_{\text{m}}}\times \mu$

C) $\,\,{{\text{g}}_{\text{m}}}=\mu \times {{r}_{p}}$

D) $\,\,{{\text{g}}_{\text{m}}}=\frac{\mu }{{{r}_{p}}}$

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• question_answer88) The heat given to an ideal gas in isothermal conditions is used to:

A) increase temperature

B) do external work

C) increase temperature and in doing external work

D) increase internal energy

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• question_answer89) A current of 20$\text{A}$ is flowing through a wire for 30 sec. The charge transferred through wire is:

A) $2\times {{10}^{-4}}$ coulomb

B) $4\times {{10}^{-4}}$ coulomb

C) $6\times {{10}^{-4}}$ coulomb

D) $8\times {{10}^{-4}}$ coulomb

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• question_answer90) lionization energy of hydrogen atom is 13.6 $\text{eV}\text{.}\,\text{If}\,\text{h=6}\text{.6 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-34}\,}}\text{Joule-sec,}$then value of R (Rydberg constant) will be:

A) ${{10}^{10}}$ per metre

B) ${{10}^{7}}$ per metre

C) ${{10}^{4}}$ per metre

D) ${{10}^{-7}}$ per metre

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• question_answer91) Internal energy of an ideal gas depends upon:

A) temperature, pressure and volume

B) only on temperature and pressure

C) only on pressure and volume

D) only on temperature

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• question_answer92) The decreasing order of band gap energy is:

A) insulator > semiconductor > conductor

B) insulator > conductor > semi conductor

C) conductor < semiconductor < insulator

D) semiconductor < conductor < insulator

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• question_answer93) A magnet is brought near a coil (i) rapidly (ii) slowly then induced e.m.f will be:

A) more in case (i)

B) less in case (i)

C) equal in both cases

D) depends on radius of ring

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• question_answer94) if $h=6.6\times {{10}^{-34}}J-\sec ,$ then energy of quanta of frequency ${{10}^{15}}Hz$ will be:

A) $6.6\,\times {{10}^{-19}}J$

B) $6.6\,\times {{10}^{-12}}J$

C) $6.6\,\times {{10}^{-14}}J$

D) $6.6\,\times {{10}^{-4}}J$

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• question_answer95) Imagine a meteroid revolving around a big star in a circular orbit of radius R with time period T. If the force of attraction between star and meteroid is proportional to${{R}^{-5/2}},$ then T2 will be proportional to:

A) ${{R}^{3}}$

B) ${{R}^{7/2}}$

C) ${{R}^{5/2}}$

D) ${{R}^{3/2}}$

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• question_answer96) Electric energy is transferred to distant place at high voltage because :

A) it will stop stealing of wires

B) it stops power decay

C) generator produce energy of high voltage

D) electric energy is transferred quickly on high voltage

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• question_answer97) Which of the following reaction can be completed by low pressure:

A) ${{N}_{2}}+{{O}_{2}}2NO$

B) ${{H}_{2}}+{{I}_{2}}2HI$

C) $PC{{l}_{5}}PC{{l}_{3}}+C{{l}_{2}}$

D) ${{H}_{2}}+3{{H}_{2}}2N{{H}_{3}}$

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• question_answer98) The oxidation number of As in ${{H}_{3}}As{{O}_{4}}$

A) $-1$

B) $-3$

C) $+3$

D) $+5$

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• question_answer99) Rectified sprit is:

A) 95.5% pure alcohol + 4.5% water

B) Anhydrous ethyl alcohol

C) Methylated sprit

D) Wood sprit

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• question_answer100) Aldehyde and ketone can be differentiated by:

A) $NaHS{{O}_{3}}$

B) Fehling solution

C) $HgC{{l}_{2}}$

D) all of these

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• question_answer101) Which of the following has not hydrogen bond?

A) Phenol

B) Liquid ammonia

C) Liquid $HCl$

D) Water

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• question_answer102) Ethyl amine on reaction with $HN{{O}_{2}}$gives:

A) benzene

B) ethyl alcohol

C) nitrobenzene

D) ammonia

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• question_answer103) The eletronic configuration of the element having maximum electronegativity:

A) $1{{s}^{2}},2{{s}^{2}}2{{p}^{6}}$

B) $1{{s}^{2}},2{{s}^{2}}2{{p}^{5}}$

C) $1{{s}^{2}},2{{s}^{2}}\text{ }2{{p}^{6}},3{{s}^{2}}\text{ }3{{p}^{6}}$

D) $1{{s}^{2}},2{{s}^{2}}\text{ }2{{p}^{6}},3{{s}^{2}}\text{ }3{{p}^{6}}\text{ }3{{d}^{1}},4{{s}^{2}}$

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• question_answer104) The minimum $O-O$ bond length is in:

A) ${{O}_{2}}^{-2}$

B) ${{O}_{2}}^{+}$

C) ${{O}_{2}}^{-}$

D) ${{O}_{2}}$

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• question_answer105) Aniline on bromination gives:

A) p-bromo aniline

B) o, p-nitrophenol

C) o-bromo aniline

D) 2, 4, 6-tribromo aniline

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• question_answer106) $_{19}{{K}^{40}},{{\,}_{18}}A{{r}^{40}},{{\,}_{20}}C{{a}^{40}}$are:

A) isotones

B) isobars

C) isodiapheres

D) isotopes

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• question_answer107) Methyl phenyl ether on reaction with $HN{{O}_{3}}$ and ${{H}_{2}}S{{O}_{4}}$ results:

A)

B) and

C)

D)

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• question_answer108) In an element as the distance of an orbit from the nucleus increases the energy of the orbit:

A) increases

B) decreases

C) does not changes

D) none of these

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• question_answer109) Strongest base is:

A) $C{{H}_{3}}C{{H}_{2}}N{{H}_{2}}$

B) $C{{H}_{3}}N{{H}_{2}}$

C) ${{C}_{6}}{{H}_{5}}N{{H}_{2}}$

D) $N{{H}_{3}}$

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• question_answer110) Paramagnetic ion is:

A) ${{[NiC{{l}_{4}}]}^{-2}}$

B) ${{[Ni{{(CN)}_{4}}]}^{-2}}$

C) both (a) and (b)

D) none of these

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• question_answer111) In which of the following molecule is electrovalent?

A) $KCl$

B) $N{{H}_{4}}Cl$

C) $PC{{l}_{5}}$

D) None of these

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• question_answer112) Strongest acid is:

A) $ClC{{H}_{2}}COOH$

B) $C{{H}_{3}}COOH$

C) $C{{l}_{2}}CHCOOH$

D) $CC{{l}_{3}}COOH$

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• question_answer113) In which of the following react with ethene and formed propane?

A) methane

B) propene

C) ethane

D) none of these

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• question_answer114) Lithopone used in:

A) yellow paint

B) fertilization

C) white paint

D) red paint

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• question_answer115) Propanol on heating with hydrazine and $KOH$ gives:

A) propanal

B) propene

C) propane

D) ethanol

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• question_answer116) Phenol on reaction with dilute $HN{{O}_{3}}$ gives:

A) o, p-nitrophenol

B) o-nitrophenol

C) p-nitrophenol

D) picric acid

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• question_answer117) The compound showing metamerism is:

A) diethyl ether

B) ethyl chloride

C) 1-butyne

D) none of these

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• question_answer118) According to Bronsted the acid is:

A) protophilic

B) proton donor

C) proton acceptor

D) amphoteric

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• question_answer119) Out of the following the Avogadro number is:

A) $6.023\times {{10}^{23}}$

B) $6.023\times {{10}^{22}}$

C) $6.032\times {{10}^{22~}}$

D) None of these

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• question_answer120) The correct order of the basicity of amines is (JR= ethyl)

A) $N{{H}_{3}}>RN{{H}_{2}}>{{R}_{2}}NH>{{R}_{3}}N$

B) $RN{{H}_{2}}>N{{H}_{3}}>{{R}_{2}}NH>{{R}_{3}}N$

C) ${{R}_{2}}NH>{{R}_{3}}N>RN{{H}_{2}}>N{{H}_{3}}$

D) ${{R}_{2}}NH>RN{{H}_{2}}>{{R}_{3}}N>N{{H}_{3}}$

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• question_answer121) The benzene triozonide obtained from which compound ozonisation?

A) Benzene

B) Amine

C) Both (a) and (b)

D) none of these

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• question_answer122) Correct order of bond angle is:

A) $s{{p}^{3}}>sp<s{{p}^{3}}$

B) $sp<s{{p}^{1}}<s{{p}^{3}}$

C) $s{{p}^{3}}<s{{p}^{2}}<sp$

D) None of these

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• question_answer123) The oxidation number of S in Marshal acid:

A) $+6$

B) $+5$

C) $-7$

D) $+8$

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• question_answer124) If the pH value of solution is 8 then solution will be:

A) acidic

B) alkaline

C) neutral

D) amphoteric

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• question_answer125) Plaster of Paris is:

A) $CuS{{O}_{4}}.\frac{1}{2}{{H}_{2}}O$

B) $CaOC{{l}_{2}}$

C) $CaS{{O}_{4}}.\,2{{H}_{2}}O$

D) none of these

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• question_answer126) The non-linear molecule is:

A) ${{C}_{2}}{{H}_{2}}$

B) $C{{O}_{2}}$

C) $HgC{{l}_{2}}$

D) $S{{O}_{2}}$

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• question_answer127) Methyl amine on reaction with $HN{{O}_{2}}$ gives:

A) $C{{H}_{2}}-O-C{{H}_{3}}$

B) $C{{H}_{3}}-O-N=0$

C) both (a) and (b)

D) none of these

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• question_answer128) Electrophilic in sulphonation is:

A) $S{{O}_{3}}$

B) $S{{O}_{2}}$

C) ${{H}_{2}}O$

D) none of these

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• question_answer129) Paramagnetic compound is:

A) $TiC{{l}_{4}}$

B) $CrC{{l}_{3}}$

C) $MnC{{l}_{2}}$

D) $SeC{{l}_{3}}$

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• question_answer130) Compound having co-ordinate bond is:

A) $N{{H}_{3}}$

B) $C{{H}_{4}}$

C) $C{{O}_{2}}$

D) $SO_{3}^{2-}$

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• question_answer131) Two electrons cannot have the same values for all the four quantum number this law is:

A) (n +1) rule

B) Aufbau rule

C) Hunds rule

D) Paulis exclusion principle

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• question_answer132) Modem periodic table is based on:

A) atomic weight

B) atomic number

C) atomic volume

D) atomic energy

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• question_answer133) The acetyl chloride formed when $PC{{l}_{3}}$react with:

A) $C{{H}_{3}}COOH$

B) $C{{H}_{3}}CHO$

C) $HCOOH$

D) $C{{H}_{3}}OH$

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• question_answer134) Which compound will give iodoform test?

A) $C{{H}_{3}}OH$

B) ${{C}_{2}}{{H}_{5}}OH$

C) $C{{H}_{3}}COOH$

D) Formalin

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• question_answer135) The compound having maximum boiling point is:

A) ethyl alcohol

B) ${{({{C}_{2}}{{H}_{5}})}_{3}}N$

C) ${{({{C}_{2}}{{H}_{5}})}_{2}}O$

D) ethyl chloride

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• question_answer136) Which of the following molecule is paramagnetic?

A) ${{O}_{2}}^{-}$

B) $C{{N}^{-}}$

C) $CO$

D) $N{{O}^{+}}$

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• question_answer137) Lewis base is:

A) $S{{O}_{3}}$

B) $C{{O}_{2}}$

C) $S{{O}_{2}}$

D) $ROH$

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• question_answer138) $C{{H}_{3}}COOH$form dimer because of:

A) intramolecular hydrogen bond

B) covalent bond

C) intermolecular hydrogen bond

D) hydrogen bond

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• question_answer139) Ion having maximum unpaired electrons?

A) $C{{r}^{+2}}$

B) $F{{e}^{+2}}$

C) $M{{n}^{+4}}$

D) $M{{n}^{+2}}$

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• question_answer140) Isopropyl alcohol on oxidation or passing its vapours on hot copper gives:

A) $C{{H}_{3}}CHO$

B) $C{{H}_{3}}COC{{H}_{3}}$

C) $C{{H}_{2}}=C{{H}_{2}}$

D) $C{{H}_{3}}-O-C{{H}_{3}}$

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• question_answer141) Isotope have:

A) different mass number

B) same physical properties

C) same chemical properties

D) same neutron number

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• question_answer142) Compound with acidic nature is:

A) $Pb(OH)Cl$

B) $BaCl$

C) $N{{a}_{2}}S{{O}_{4}}$

D) $N{{a}_{2}}HP{{O}_{4}}$

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• question_answer143) The gas evolved in fermentation is:

A) $C{{H}_{4}}$

B) ${{O}_{2}}$

C) $C{{O}_{2}}$

D) ${{N}_{2}}$

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• question_answer144) Cyclohexene on reaction with bromine yields:

A)

B)

C)

D) none of these

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• question_answer145) The main function of roasting is:

A) oxidation

B) smelting

C) reduction

D) to remove vapoumess substance

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• question_answer146) Minimum $C-C$ bond length is in:

A) ${{C}_{2}}{{H}_{6}}$

B) ${{C}_{2}}{{H}_{2}}$

C) ${{C}_{6}}{{H}_{6}}$

D) ${{C}_{2}}{{H}_{4}}$

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• question_answer147) Which element does not has neutron in its nucleus?

A) $Li$

B) $H$

C) $O$

D) $C$

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• question_answer148) The strongest base is:

A) $Zn{{(OH)}_{2}}$

B) $Al{{(OH)}_{3}}$

C) $Ba{{(OH)}_{2}}$

D) $Fe{{(OH)}_{3}}$

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• question_answer149) Proton is discovered by:

A) Rutherford

B) Pauling

C) Thomson

D) Dalton

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• question_answer150) When nitro toluene react with $HN{{O}_{3}}+{{H}_{2}}S{{O}_{4}}$ gives:

A) picric acid

B) 1, 4-dinitro benzene

C) trinitro toluene

D) 1, 3-dinitro benzene

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• question_answer151) Carbonyl chloride is:

A) phosgene

B) chlorobenzene

C) both (a) and (b)

D) none of these

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• question_answer152) Which molecule have not zero dipole moment?

A) $PC{{l}_{5}}$

B) ${{C}_{6}}{{H}_{6}}$

C) $CC{{l}_{4}}$

D) ${{H}_{2}}O$

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• question_answer153) Which compound does not give Cannizzaro reaction?

A) Acetaldehyde

B) Formaldehyde

C) Benzaldehyde

D) $CC{{l}_{3}}CHO~$

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• question_answer154) The reaction of ethylene bromide with zinc yields:

A) alkene

B) alkyne

C) alkane

D) all of these

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• question_answer155) Absolute alcohol is represented as:

A) ${{C}_{2}}{{H}_{5}}OH+water+petrol$

B) $95%\text{ }{{C}_{2}}{{H}_{5}}OH\text{ +}5%\text{ }{{H}_{2}}O$

C) $95%\text{ }{{C}_{2}}{{H}_{5}}OH+5%\text{ }C{{H}_{3}}OH$

D) 100% pure alcohol

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• question_answer156) The litharz is represented by:

A) $PbO$

B) $P{{b}_{3}}{{O}_{4}}$

C) $PbCr{{O}_{4}}$

D) $Pb{{(OH)}_{2}}$

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• question_answer157) , product A is:

A) chloretone

B) o-hydroxy benzaldehyde

C) salicyldehyde

D) all of these

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• question_answer158) Compound having maximum covalent character is:

A) $CaC{{l}_{2}}$

B) $KI$

C) $BeB{{r}_{2}}$

D) $NaF$

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• question_answer159) The appropiate indicator used in the titration of strong acid and weak base is:

A) phenolphthalene

B) phenol red

C) methyl orange

D) methyl red

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• question_answer160) The compound obtained on the hydrolysis of the product formed by acetaldehyde and Grignard reagent is:

A)

B) ${{(C{{H}_{3}})}_{3}}C-OH$

C) $C{{H}_{3}}-OH$

D) $C{{H}_{3}}-O-C{{H}_{3}}$

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• question_answer161) a particle is:

A) $_{0}{{n}^{1}}$

B) $_{2}H{{e}^{4}}$

C) both (a) and (b)

D) none of these

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• question_answer162) It is evident from Rutherfords experiments that:

A) a-particles move with high velocity

B) most of the part of atom is hollow

C) a-particles are positively charged

D) a-particles are heavier than electron

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• question_answer163) Calcium carbide react with ${{H}_{2}}O$ gives:

A) ethane

B) $CH\equiv CH$

C) $C{{H}_{2}}=C{{H}_{2}}$

D) none of these

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• question_answer164) $Acetylene\xrightarrow{NaN{{H}_{2}}}A\xrightarrow{Iodoform}$ $B\xrightarrow{{{H}_{2}}O/H{{g}^{2+}}}Z$is:

A) $C{{H}_{3}}COOH$

B) $C{{H}_{3}}COC{{H}_{3}}$

C) $HCOOH$

D) ${{C}_{2}}{{H}_{5}}OH$

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• question_answer165) From the following molecules or ions which acts as Lewis acid and Lewis base:

A) ${{H}_{2}}O$

B) $S{{O}_{2}}^{-2}$

C) $SO_{4}^{-2}$

D) none of these

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• question_answer166) The hydrogen bond is not present in:

A) liquid $N{{H}_{3}}$

B) phenol

C) liquid $HCl$

D) water

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• question_answer167) Elements which shows variable valencies are:

A) s-block element

B) d-block element

C) p-block element

D) radioactive element

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• question_answer168) The compound having weakest bond angle is:

A) $Be{{F}_{2}}$

B) $N{{H}_{3}}$

C) ${{H}_{2}}O$

D) $C{{H}_{4}}$

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• question_answer169) From the following compounds the soluble compound in water is:

A) acetone

B) acetaldehyde

C) formaldehyde

D) all of these

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• question_answer170) Bond angle in $s{{p}^{2}}$hybridisation is:

A) ${{109}^{o}}45$

B) ${{180}^{o}}$

C) ${{90}^{o}}$

D) ${{120}^{o}}$

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• question_answer171) Oxidative reagent is:

A) proton donor

B) electron donor

C) proton accepter

D) electron accepter

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• question_answer172) Which is the correct order of bond length from the following?

A) $C\equiv C<C-C<C\equiv C$

B) $C-C<C=C<C\equiv C$

C) $C\equiv C<C=C<C-C$

D) $C=C<C\equiv C<C-C$

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• question_answer173) The process of fermentation is:

A) reversible

B) isothermic

C) exothermic

D) endofhermic

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• question_answer174) $C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-C{{H}_{2}}-\underset{OH}{\mathop{\underset{|}{\mathop{\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-C{{H}_{3}}$ IUPAC name is:

A) 4-methyl-2, 4-pentane di-ol

B) 2-methyl 2, 4-pentane di-ol

C) both above

D) none of these

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• question_answer175) The gas evolved in the fermentation process:

A) ${{N}_{2}}$

B) ${{O}_{2}}$

C) $S$

D) $C{{O}_{2}}$

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• question_answer176) Green colour obtained in the Bunsens flame test is due to:

A) $C{{u}^{2+}}$

B) ${{K}^{+}}$

C) $N{{a}^{+}}$

D) $L{{i}^{+}}$

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• question_answer177) product A is:

A) aniline

B) benzaldehyde

C) nitrobenzene

D) anilium chloride

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• question_answer178) The ionization energy of ${{N}_{2}}$ is greater than ${{O}_{2}}$ the reason is:

A) half filled p-orbital

B) penetration effect

C) more nucleus attraction

D) all of the above

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• question_answer179) Ionic compounds have not the property:

A) high boiling point and melting point

B) soluble in polar solvents

C) rotation in direction

D) hard and brittle nature

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• question_answer180) The ratio of a bond n bond in benzene is:

A) $4$

B) $6$

C) $2$

D) $8$

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• question_answer181) The percentage amount of ${{N}_{3}}$ in urea is:

A) $46.66%$

B) $40%$

C) $23.23%$

D) $50%$

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• question_answer182) At N.T.P. how much ${{H}_{2}}S{{O}_{4}}$is required to neutralize $5g$of ammonia?

A) $98.0g$

B) $21.97g$

C) $12.25g$

D) $10.94g$

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• question_answer183) According to Bronsteds theory the base is:

A) $N{{H}_{4}}^{+}$

B) $C{{H}_{3}}COOH$

C) $C{{l}^{-}}$

D) ${{H}_{3}}{{O}^{+}}$

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• question_answer184) Which one is the Lewis acid?

A) ${{H}_{2}}O$

B) $AlC{{l}_{3}}$

C) $RN{{H}_{2}}$

D) $N{{H}_{3}}$

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• question_answer185) Effect of catalyst is:

A) increase the rate of reaction

B) increase the quantity of product

C) both (a) and (b)

D) none of these

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• question_answer186) Isomer of chloropropane is:

A) $1$

B) $2$

C) $3$

D) $4$

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• question_answer187) Main ore of lead is:

A) galena

B) mica

C) bauxite

D) rin stone

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• question_answer188) $C{{H}_{3}}COOH+PC{{l}_{3}}\xrightarrow{distillation}A$ product A is :

A) $C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}$

B)

C) $C{{H}_{3}}COOCl$

D) $C{{H}_{3}}COCl$

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• question_answer189) Colourless ion is:

A) $C{{u}^{+3}}$

B) $F{{e}^{+3}}$

C) $C{{u}^{+}}$

D) $C{{u}^{+2}}$

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• question_answer190) The pH value of $0.01M\text{ }NaOH$will be:

A) $12$

B) $14$

C) $13$

D) $10$

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• question_answer191) $A+{{I}_{2}}\xrightarrow{{}}$iodine solution becomes colourless, A compound is:

A) chloroform

B) ethelene

C) ethene

D) carbon tetra chloride

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• question_answer192) $C{{H}_{3}}-C{{H}_{2}}-C{{H}_{3}}+HBr\xrightarrow{{}}A$, product A is:

A) $C{{H}_{3}}-CHB{{r}_{2}}-C{{H}_{3}}$

B) $C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Br$

C) $C{{H}_{3}}-CHBr-C{{H}_{3}}$

D) $C{{H}_{2}}Br-C{{H}_{2}}-C{{H}_{2}}Br$

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• question_answer193) Which pair of the atomic numbers is not in the same group?

A) $11,19$

B) $5,13$

C) $4,12$

D) $6,16$

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• question_answer194) Lime stone is:

A) $CaC{{O}_{3}}$

B) $CaO$

C) both (a) and (b)

D) none of these

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• question_answer195) Linear molecule is:

A) $C{{O}_{2}}$

B) $S{{O}_{2}}$

C) ${{H}_{2}}O$

D) $C{{H}_{4}}$

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• question_answer196) $PC{{l}_{5}}$ is used in synthesis of:

A) $C{{H}_{3}}COCl$

B) diethyl ether

C) ethyl alcohol

D) ace

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• question_answer197) Dental formula of Rabbit is:

A) $\left( \frac{2}{1},\frac{0}{0},\frac{3}{2},\frac{3}{3} \right)\times 2=28$

B) $\left( \frac{1}{1},\frac{0}{0},\frac{2}{2},\frac{3}{3} \right)\times 2=24$

C) $\left( \frac{2}{2},\frac{0}{0},\frac{3}{3} \right)\times 2=20$

D) 0

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• question_answer198) Number of limbs found in class Insecta is:

A) numerous

B) 1 pair

C) 3 pairs

D) 6 pairs

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• question_answer199) Specific character of Rodentia is the:

A) presence of claw on toes

B) presence of hoof on limbs

C) presence of long root less canines

D) presence of long root less incisors

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• question_answer200) In cell cycle replication of DNA occurs in:

A) interphase

B) ${{G}_{2}}-$phase

C) ${{G}_{1}}-$phase

D) S-phase

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• question_answer201) Sternum of Rabbit is formed of:

A) fibrous cartilage

B) elastic (flexible) cartilage

C) hyaline cartilage

D) calcified cartilage

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• question_answer202) Activity shown by Amoeba if kept in salt solution will be:

A) chemotaxis

B) simple reaction

C) phototaxis

D) migmotaxis

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• question_answer203) Main reason for the higher metabolic rate in insect is :

A) tubular heart

B) open circulatory system

C) omnivorous food habit

D) direct respiration

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• question_answer204) Quantitatively smallest egg is found in:

A) Blue whale

B) Shark fish

C) Elephant

D) Whale

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• question_answer205) Which of the following is the example of structural protein?

A) Myosin

B) Collagen

C) Keratin

D) All of these

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• question_answer206) Rabbit is a:

A) coward animal

B) burrowing, colonial, nocturnal animal

C) burrowing, colonial, nocturnal and herbivorous animal

D) colonial, nocturnal and herbivorous animal

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• question_answer207) Find out the odd one:

A) Whale

B) Sea horse

C) Chimera

D) Scoliodon

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• question_answer208) Pearl oyster is the member of phylum :

A) Arthropoda

B) Mollusca

C) Echinodermata

D) Annelida

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• question_answer209) Main medium for the digestive activity in Amoeba is:

A) only neutral

B) only alkaline

C) only addic

D) acidic than alkaline

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• question_answer210) In general fate of blastopore is :

A) condyl

B) ear lobe

C) mouth

D) anus

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• question_answer211) Number of cranial nerves found in Rabbit:

A) 10 pairs

B) 15 pairs

C) 12 pairs

D) 37 pairs

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• question_answer212) Infectious stage of Plasmodium is:

A) ookinete

B) sporozoite

C) oocyst

D) gametocyts

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• question_answer213) Smallest unit of classification is :

A) family

B) genus

C) species

D) phylum

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• question_answer214) Phylum, which has all members of marine habitat is :

A) Mollusca

B) Echinodermata

C) Annelida

D) Arthropoda

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• question_answer215) In Rabbit sweat glands, in dense form are, present on:

A) eyelids

B) whole skin

C) lips

D) basal part of eyelids

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• question_answer216) Jointed legs located on abdominal region is the specific character of class :

A) Crustacea

B) Arachnida

C) Insecta

D) Diplopoda

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• question_answer217) Enzyme present in the saliva of Cockroach is:

A) pepsin

B) lipase

C) amylase

D) lysozyme

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• question_answer218) On catalyzing, hetero-fatty acids gives out:

A) $\beta -$keto acetyl CoA

B) L-methyl metonyl CoA

C) succinyl CoA

D) D methyl metonyl CoA

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• question_answer219) In which sub-stage of meiosis synapsis occurs?

A) Diplotene

B) Leptotcne

C) Pachytene

D) Zygotene

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• question_answer220) Water boat Cockroach is referred for :

A) Blatta germanica

B) Periplanta americana

C) Blatta orientalis

D) all of the above

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• question_answer221) Flight muscles in birds are connected with :

A) corocoid

B) scapula

C) clavicle

D) keel of sternum

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• question_answer222) Chemically keratin is:

A) mucoprotein

B) pheroprotein

C) lipoprotein

D) scleroprotein

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• question_answer223) m-RNA is connected with:

A) mitochondria

B) endoplasmic reticulum

C) ribosome

D) nucleus

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• question_answer224) Importance of cleavage is in the:

A) formation of presumptive infant

B) division of fertilized egg

C) formation of multicellular structure

D) none of the above

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• question_answer225) Type of cleavage in ova is mainly dependent on:

A) distribution of yolk

B) origin of spindles in mitosis

C) amount of yolk

D) all of the above

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• question_answer226) Nematoblast of Hydra are:

A) sensory

B) complicated

C) with nematocyst apparatus

D) all of the above

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• question_answer227) On the basis of feeding. Hydra is:

A) holozoic

B) herbivorous

C) carnivorous

D) omnivorous

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• question_answer228) Last recipient of electron transport system (ETS) is:

A) $NA{{D}^{+}}$

B) $NAD{{P}^{+}}$

C) FAD

D) Ubiquinone (CoQ)

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• question_answer229) Pseudocoelom is found in :

A) Taeitin

B) Ascaris

C) Hydra

D) all of these

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• question_answer230) State in which sudden rise in the number of leucocytes (WBC) of mammalian blood occurs is called as:

A) leucoderma

B) orocucoidia

C) leukemia

D) polycythikia

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• question_answer231) Reptile with four chambered heart is:

A) Snake

B) Crocodile

C) Lizard

D) All of these

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• question_answer232) Olfactory lobes of Rabbit are:

A) solid lobes

B) partially solid lobes

C) hollow lobes

D) none of the above

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• question_answer233) In Earthworm circular muscles are highly developed in:

A) gizzard

B) gastric region

C) pharyngeal region

D) oesophagus region

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• question_answer234) State in which oxygen is supplied to tissues in insufficient amount, is known as:

A) pleurasy

B) amphionia

C) hyperoxia

D) hypoxia

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• question_answer235) Oxyntic cells are found in:

A) pyloric part of stomach

B) oesophageal part of stomach

C) fundic part of stomach

D) cardiac part of stomach

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• question_answer236) Specific character of amniota is the :

A) presence of foetal membranes

B) birth of immature foetus

C) presence of cleodoic eggs

D) viviparity

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• question_answer237) Difference between birds and mammals is:

A) modification of forelimb into wings

B) modification of forelimb

C) modification of forelimb into residuals

D) all of above modifications

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• question_answer238) Body temperature of Rabbit is:

A) $96{}^\circ F$

B) $99.8{}^\circ F$

C) $100{}^\circ F$

D) $103.1{}^\circ F$

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• question_answer239) In Krebs cycle formation of:

A) 34 ATP takes place

B) 38 ATP takes place

C) 15 ATP from each acetyl CoA takes place

D) 12 ATP from each acetyl CoA takes place

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• question_answer240) Formation of gonads in Hydra is accelerated by:

A) cyclic AMP

B) excess of $C{{O}_{2}}$

C) lack of ${{O}_{2}}$

D) analine

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• question_answer241) Which of the structure in Hydra is functionally same as that of pseudopodia in A mocha?

A) Mouth

B) Tentacles

C) Ectoderm

D) Nematoblast

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• question_answer242) Mitosis and meiosis both divisions occurs in:

A) kidney

B) somatic cells

C) testis

D) germinal cells

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• question_answer243) Non-poisonous snake is:

A) Azgar

B) marine snake

C) Bungarus

D) Viper

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• question_answer244) Which of the protozoan is responsible for kala azar disease?

A) Trypanasoma

B) Ginrdia

C) Monocystis

D) Leishrnania

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• question_answer245) Central dogma is:

A) DNA$\to$ mRNA$\to$ protein

B) DNA $\to$ RNA $\to$ protein

C) protein$\to$RNA$\to$ DNA

D) RNA $\to$ DNA $\to$protein

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• question_answer246) Infectious stage of Ascaris for man is:

A) adult

B) shelled egg

C) second larval stage

D) first larval stage

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• question_answer247) Sound producing organ in birds is:

A) vocal fibres

B) larynx

C) epiglotis

D) syrinx

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• question_answer248) Infective stage of Ascaris is :

A) embryonated eggs

B) fertilized eggs

C) unfertilized eggs

D) all of above

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• question_answer249) Double gradient theory was given by:

A) Childe

B) Herstedius

C) Rocks

D) Hens Drish

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• question_answer250) For which of the following physiological activity sodium ions play important role?

A) Conduction of nervous impulse

B) Diffusion process

C) Osmosis process

D) All of the above

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• question_answer251) Specific cells present in phylum Porifera are called :

A) choanocytes

B) porocytes

C) epidermal cells

D) all of these

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• question_answer252) In which cell first reductional division occurs during sperm a to genesis?

A) Primary spermatocytes

B) Secondary spermatocytes

C) Spermatids

D) Spermatogonia

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• question_answer253) Which of the following is an essential amino acid?

A) Tyrosine

B) Leucine

C) Alanine

D) Glycine

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• question_answer254) Rolling of the cells on their axis is called

A) in vagination

B) divergence

C) convergence

D) splitting

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• question_answer255) Which of the following structure present in the mesogloea of Hydra?

A) Non-fibrous structures

B) Acellular structures

C) Nerve plexus

D) Discoidals

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• question_answer256) Function of corpora allata hormone is:

A) to secrete gonadotropic hormone

B) the oviposition and oogenesis

C) to develop gonads

D) all of the above

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• question_answer257) Endoparasite of Earthworm is:

A) Euglena

B) Monocystis

C) Polystemella

D) Amoeba

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• question_answer258) Heparin is:

A) phosphoprotein

B) glycoprotein

C) lipoprotein

D) chromoprotein

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• question_answer259) Example of hair Iess mammal is:

A) Seal

B) Whale and Dolphin

C) Whale only

D) all of the above

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• question_answer260) Metamorphosis is the specific character of:

A) sub phylum Urochordata

B) class Thaliacea

C) class Larvacea

D) class Ascidiacea

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• question_answer261) Limb less amphibian is :

A) Pipa

B) Siren

C) lcthyophis

D) Proteus

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• question_answer262) Place from where sperms penetrates and enters in the ova, is determined by :

A) microvilli

B) grey present

C) micropyle

D) all of these

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• question_answer263) If a fresh water Amoeba is kept in distil water Petridis, work rate of contractile vacuole will:

A) remain unaffected

B) reduce

C) decline very fast

D) increase very fast

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• question_answer264) Totipotent cells in Hydra is referred for:

A) sensory cells

B) nematoblast

C) germinal cells

D) interstitial cells

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• question_answer265) Total volume of air circulated in inspiration and expiration by full effort of Rabbit is;

A) 500 ml

B) 1, 100 ml

C) 3, 000 ml

D) 5, 00 ml

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• question_answer266) True coelom appeared in phylum:

A) Arthropoda

B) Mollusca

C) Porifera

D) Annelida

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• question_answer267) Presence of rhabditiform larva is me specific character of:

A) Earthworm

B) Hydra

C) Ascaris

D) Rabbit

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• question_answer268) Largest source of enzyme arginase is:

A) liver of Reptiles

B) liver of Telcost fishes

C) liver of Elasmobranch fishes

D) liver of Mammals

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• question_answer269) Which of the following is viviparous?

A) Scoliodon

B) Star fish

C) Mudpuppy

D) Dipnoi

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• question_answer270) Hardest part in animal body is :

A) bone

B) hair

C) dentine

D) enamel

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• question_answer271) Head of Earthworm is located on the :

A) sub-segment of first segment

B) first segment

C) second segment

D) none of the above

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• question_answer272) Cell organelle responsible for digestion of internal and external particles is;

A) auto lysosomo

B) lysosome

C) residual body

D) all of these

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• question_answer273) In which direction cristae of Rabbit ear helps in maintaining balance :

A) circular position of longitudinal axis of semi circular canals

B) transverse position of longitudinal axis of semicircular canals

C) parallel to longitudinal axis of semicircular canals

D) all of the above

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• question_answer274) In sperm centriole is located below the:

A) nucleus

B) acrosome

C) head

D) alt of these

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• question_answer275) DNA and RNA has similarity in :

A) base pairs

B) Replication property

C) Heredity property

D) duplication method

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• question_answer276) Sensory centre of hunger is located in :

A) forebrain

B) mid brain

C) hind brain

D) hypothalamus

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• question_answer277) Main difference between the septal and pharyngeal nephridia is of:

A) nephrostome

B) straight lobes

C) function

D) reservoir

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• question_answer278) Cockroach and Earthworm have similarity in:

A) external and internal segmentation

B) external segmentation

C) internal segmentation

D) pseudo segmentation

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• question_answer279) Structure of sperm of Ascaris is :

A) amoeboid

B) tail less and spindle shaped

C) ovate

D) tail less and amoeboid

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• question_answer280) Function of thyroxin hormone is :

A) to grow

B) to develop

C) self immunization

D) to control metabolism

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• question_answer281) Theory of organizer was given by:

A) Spemann

B) Leuwonhock

C) Ernst Von Baer

D) Wolf

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• question_answer282) Centrum of mammalian vertebrae is :

A) variocoelus

B) procoelus

C) amphicoelus

D) acoelus

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• question_answer283) Which cells are responsible for secretion of peritrophic membrane in Cockroach?

A) Glandular cells of salivary gland

B) Oesophageal part of stomach

C) Cells of internal layer of hindgut

D) Anterior cells of midgut

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• question_answer284) Reductional division in gametocytes of Plasmodium occurs in:

A) nucleus of zygote

B) nucleus of oocyst

C) nucleus of ookinete

D) in all above stages

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• question_answer285) Which fish is helpful in biotic control of malaria?

A) Minnose

B) Gambusia

C) Trout

D) All of these

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• question_answer286) Coronary/thebasian valve is located at:

A) Post canal

B) right pre canal

C) left pre canal

D) all of these

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• question_answer287) Deltoid process is the specific character of:

A) humerus

B) tibia

C) radio-ulna

D) femur

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• question_answer288) Gastrutation means:

A) organogenesis movement

B) disappearance of blastocoel

C) formation of archenteron

D) all of the above

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• question_answer289) Important muscles in the respiratory system of Rabbit is:

A) internal in tercostal muscles

B) external in tercostal muscles

C) diaphragm muscles

D) pectoralis major muscles

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• question_answer290) Specific character of Amphibia is:

A) heterothermic nature

B) presence of movable eyelids

C) being first vertebral animal

D) amphibious nature

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• question_answer291) Function of porphyrin pigment in Earthworm is :

A) coloration

B) excretion

C) secretion

D) to save the skin from the harmful effect of light

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• question_answer292) The number of stamens present in Cruciferae family are:

A) 4

B) 7

C) 2

D) 6

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• question_answer293) The phase of cell division hi which DNA synthesis take place is:

A) interphase

B) leptotene

C) diplotene

D) zygotene

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• question_answer294) The cell wall of fungus is made up of:

A) chitin and cellulose

B) protein

C) lipid

D) none of the above

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• question_answer295) Pesticide 2, 4 D is a:

A) auxin hormone

B) enzyme

C) vitamin

D) plasmid

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• question_answer296) Transpiration occurs maximum when:

A) high humidity present in atmosphere

B) high water present in soil

C) dry environment with high temperature

D) wind is not blowing

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• question_answer297) The unit of classification is:

A) species

B) genera

C) both (a) and (b)

D) none of these

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• question_answer298) Drug quinine is used for:

A) jaundice

B) malaria

C) dysentry

D) all of the above

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• question_answer299) Which of the following receive last electron in electron transport system?

A) cytochrome a and ${{a}_{3}}$

B) oxygen

C) cytochrome-c

D) ubiquinine

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• question_answer300) Monadelphous condition is associated with:

A) stamen

B) epiacalyx

C) corolla

D) gynoecium

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• question_answer301) Atropa belladonna is the member of family:

A) Liliaceae

B) Solanaceae

C) Malvaceae

D) Cucurbitaceae

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• question_answer302) In pea yellow colour ($\text{Y}$) is dominant over green ($y$) and round ($S$) seed over wrinkled ($s$). If $YySs$ seeds are formed in F1 by cross of $\text{YYSS}$ and $\text{yyss}$. Then what will be the ratio of F2 if F1 plant is self-pollinated?

A) 9 yellow round: 3 yellow wrinkled : 3 green round : 1 green wrinkled.

B) 13 yellow round: 3 green round.

C) 9 yellow round: 3 green round.

D) all of the above

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• question_answer303) Agrostology is the study of:

A) grasses

B) plants of hilly area

C) epiphytic plants

D) none of these

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• question_answer304) Process of eating and being eaten is a:

A) food chain

B) biological process

C) producer-consumer relation

D) all of the above

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• question_answer305) The genome of bacteria is known as:

A) nucleolus

B) nucleoid

C) nucleus

D) nucleotides

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• question_answer306) ${{Q}_{10}}$ is a:

A) temperature quotient

B) respiration quotient

C) measure of perfection

D) none of these

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• question_answer307) Hydrogen bond present in water between:

A) H-O-H

B) H and H

C) O and O

D) none of these

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• question_answer308) NADP means:

A) nicotinamide adenine dinucleotide phosphate

B) nicotinamide dinucleotide

C) nicotinic acid

D) none of these

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• question_answer309) The reason for Bhopal gas tragedy was :

A) carbon dioxide gas

B) oxygen gas

C) potassium thiocyanate

D) methyle isocynate (MIC)

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• question_answer310) The RQ of organic acids will be:

A) one

B) more than one

C) less than one

D) none of these

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• question_answer311) The sterile part of moss capsule is known as:

A) protonema

B) foot

C) columella

D) prothallus

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• question_answer312) Pedology is the study of:

A) disease

B) pollution

C) heredity

D) soil

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• question_answer313) Eugenics is related with:

A) heredity

B) cytology

C) improvement in human beings

D) none of these

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• question_answer314) The sugar in ATP is:

A) deoxy ribose

B) ribose

C) glucose

D) fructose

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• question_answer315) ATP contains:

A) adenine, ribose and three phosphate groups

B) adenine and phosphate

C) only ribose sugar

D) none of the above

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• question_answer316) The vascular cryptogames are:

A) bryophytes

B) pteridophytes

C) monocots

D) angiospenns

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• question_answer317) Match the following : (A) (B) (A) Glycolysis (a) Mitochondria (B) Krebs cycle (b) ${{F}_{1}}$ particle (C) Electron transport (c) cytoplasm system

A) A (b), B (a), C (c)

B) A (c), B (a), C (b)

C) A (a), B (b) C (c)

D) None of the above

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• question_answer318) Which of the following is growth inhibitor ?

A) Abscissic acid

B) Gibberellins

C) Auxins

D) Ethylen

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• question_answer319) Oxalis shows:

A) nastic movement

B) tropic movement

C) turgor movement

D) none of the above

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• question_answer320) Calvin cycle is found in:

A) chloroplast

B) mitochondria

C) cytoplasm

D) none of these

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• question_answer321) Who crystallize the plant virus?

A) W. M. Stanley

B) Mendel

C) A. Jenner

D) None of these

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• question_answer322) The three scientists who rediscovering the Mendels law were?

A) Hugo de Vries, Carl Correns and Tschermak

B) de Vries, Correns, T. H. Morgan

C) both (a) and (b)

D) none of the above

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• question_answer323) Casparian strip is found in:

A) vascular bundle

B) between stem and root

C) radial and inner wall of endodermis

D) none of the above

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• question_answer324) Which of the following plant is used in the experiment of photosynthes is?

A) Hydrilla

B) Mango

C) Rose

D) Neem

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• question_answer325) A membranous cell orgnnelle is:

A) lysosome

B) ribosome

C) mitochondria

D) none of these

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• question_answer326) The main constituent of bacterial cell wall is:

A) peptidoglycan

B) cellulose

C) chitin

D) none of these

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• question_answer327) Ulothrix belongs to class:

A) Rodophyceae

B) Chlorophyceae

C) blue-green algae

D) none of the above

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• question_answer328) The percentage of $C{{O}_{2}}$ in atmosphere is:

A) 30%

B) 0.3%

C) 0.03%

D) 3%

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• question_answer329) Which of the following is an auxin?

A) Indole acetic acid

B) Malic acid

C) Pyruvic acid

D) None of the above

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• question_answer330) Which part is edible in litchi?

A) Pericarp

B) Embryo

C) Aril

D) None of these

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• question_answer331) Which of the following is not the characteristic of gyninosperm?

A) Triple fusion

B) Absence of vessels

C) Both (a) and (b)

D) None of the above

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• question_answer332) Which of the following is not represent an aquatic plant?

A) Eichhornia

B) Wolffia

C) Nepenthes

D) Vallisnaria

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• question_answer333) Dominant phase in bryophytes is:

A) gametophytic phase

B) sporophytic phase

C) both (a) and (b)

D) none of the above

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• question_answer334) Synapsis is found in:

A) leptotene phase

B) zygotene phase

C) pachytene phase

D) diplotene phase

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• question_answer335) Edible part of Cauliflower is:

A) in florescence

B) flower

C) leaf

D) stem

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• question_answer336) The algae has seen green due to:

A) bacterio-chlorophyll

B) chlorophyll

C) carotene

D) none of the above

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• question_answer337) Cyclosis movement is also known as:

A) autonomous movements

B) photonastic movements

C) movement of curvature

D) none of the above

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• question_answer338) Pyoo is a type of:

A) carotene

B) chlorophyll

C) phycobillin

D) none of these

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• question_answer339) Sunken stomata is the characteristic of:

A) halophytes

B) xerophytes

C) mesophytes

D) hydrophytes

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• question_answer340) Lichens are the good example of:

A) symbiotic relationship

B) parasitism

C) paredator and prey relationship

D) none of the above

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• question_answer341) Svedbergs units ribosomes in prokaryotic and eukaryotic cell are :

A) 70S and 80S

B) 50S and 30S

C) 60S and 100S

D) none of the above

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• question_answer342) The nucleic acid is absent in:

A) nucleus

B) mitochondria

C) chloroplast

D) peroxysomes

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• question_answer343) Two different concentration solutions are separated by a semipermeable membrane which statement is correct?

A) Solute will move towards solutions of higher concentration

B) Solvent will move towards solution of higher concentration

C) Both solute and solution will move towards higher concentration

D) None of these

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• question_answer344) Cork cambium is also known as:

A) phelloderm

B) phellam

C) phallogen

D) none of these

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• question_answer345) Which of the following is not a peteridophyte ?

A) Azolla

B) Lilium

C) Selaginella

D) Lycopodium

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• question_answer346) The pigment which is found in all algae:

A) chlorophyll-a

B) chlorophyll-b

C) carotenoid

D) xanthophylls

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• question_answer347) Who discovered the glyoxysome?

A) Jenssen and Jenssen

B) Tolbert

C) Beevers

D) Purkinje

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• question_answer348) In which plant stomata opens in night and closes in day?

A) Succulent plants

B) Hydrophytes

C) Mesophytes

D) None of these

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• question_answer349) In tree ecosystem, pyramid of numbers is:

A) upright

B) inverted

C) horizontal

D) all of the above

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• question_answer350) Which is present in cell wall of gram (+) and gram (-) bacteria?

A) Murien

B) Cellulose

C) Lipoprotein

D) Only protein

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• question_answer351) Floral formula $Br\oplus \,\underset{+}{\overset{\uparrow }{\mathop{\text{o}}}}\,{{K}_{(5)}}{{\overset\frown{{{C}_{(5)}}A}}_{(5)}}\,{{G}_{\underline{(2)}}}$ is concerned with:

A) Malvaceae

B) Solanaceae

C) Papilionaceae

D) None of these

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• question_answer352) Which is diploid in Riccia?

A) Spore mother cell

B) Spore

C) Gamete

D) None of the above

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• question_answer353) Special structures between cell wall and plasma membrane of fungus are :

A) plasmodesmata

B) lomasomes

C) plasmid

D) none of the above

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• question_answer354) Pigments which found in all algae are?

A) Chlorophyll-a and $\beta$-carofrene

B) Chlorophyll-a and $\alpha$-carotene

C) Chlorophyll-b and $\beta$-carotene

D) None of these

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• question_answer355) World population day is celebrated on:

A) 1-March

B) 1-July

C) 1-May

D) 1-June

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• question_answer356) The alkaloids obtained from opium are:

A) morphine, codeine, thebaine, narceine

B) thebaine, caffeine, nicoteine

C) cytokinin, gibberelline, pyrethrum

D) none of the above

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• question_answer357) Ratio of recessive to dominant characters will be in F2 of mono hybrid cross:

A) 9 : 3 : 3 : 1

B) 3 : 1

C) 1 : 2 : 1

D) 1 : 1

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• question_answer358) What will be the ratio of AaBb if AABB is crossed with aabb:

A) 8/16

B) 7/16

C) 4/16

D) 3/16

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• question_answer359) Albugo is a:

A) obligate parasite

B) facultative parasite

C) symbiotic

D) facultative saprophyte

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• question_answer360) In pea yellow colour ($\text{Y}$) is dominant over green ($y$) and round ($\text{S}$) seed is dominant over wrinkled ($s$). If $\text{YySs}$ forms in F1 by cross of YYSS and $yyss$ what will be the ratio of F2 when F1 plant is self-pollinated?

A) 9 yellow round : 3 yellow wrinkled:3 green round : 1 green wrinkled

B) 9 yellow round : 7 yellow green

C) 15 yellow round : 1 wrinkled green

D) None of the above

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• question_answer361) Who discovered the syngamy in angiosperm?

A) Nawaschin

B) Strassburger

C) Coulter and Chamberlin

D) None of the above

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• question_answer362) Characters of pea like, pod colour, seed colour of flower etc. in Mendels experiment are known as:

A) phenotype

B) genotype

C) all of the above

D) none of these

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• question_answer363) If temperature is increased $10{}^\circ C$ the rate of dark reaction of photosynthesis will become:

A) double

B) triple

C) four times

D) none of these

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• question_answer364) The floral formula of Solanaceae family is:

A) ${{K}_{(5)\,}}{{\overset\frown{{{C}_{(5)}}\,A}}_{(5)}}\,{{G}_{(\underline{2})}}$

B) ${{P}_{3\,}}{{K}_{5}}\,{{C}_{5}}{{A}_{3}}\,{{G}_{(\underline{2})}}$

C) ${{P}_{3\,}}{{K}_{3}}\,{{A}_{3}}\,{{G}_{(3)}}$

D) none of the above

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• question_answer365) Peroxysome is concerned with:

A) photo respiration

B) transpiration

C) fungus

D) none of the above

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• question_answer366) What will happen if ${{O}_{2}}$ cone increased in environment?

A) Photosynthesis will increase in ${{C}_{3}}$ plants

B) Photosynthesis will decrease in ${{C}_{3}}$ plants

C) Photosynthesis will increase in ${{C}_{4}}$ plants

D) None of the above

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• question_answer367) In bicollateral vascular bundle the tissues found from out to inner side will be :

A) outer phloem, outer cambium, xylem, inner cambium and inner phloem

B) outer phloem, inner phloem, outer cambium, inner cambium, xylem

C) all of the above

D) none of the above

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• question_answer368) Which of the following is wrong statement?

A) Water is not necessary for fertilization of Albugo

B) Water required in fertilization of Albugo

C) Heterogamous sexual reproduction is found

D) A sexual reproduction takes place by conidia

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• question_answer369) The false statement for bryophyta is:

A) they grow in shaddy places

B) vascular bundles are absent

C) gametophyte is not free

D) none of the above

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• question_answer370) Dark reaction of photosynthesis takes place in:

A) both light and dark

B) only in light

C) only in dark

D) none of these

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• question_answer371) Biosphere is consist of:

A) decomposers

B) heterotroph

C) autotroph and producers

D) all of the above

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• question_answer372) Alkaloids obtained from Rauwolfia serpentine, are:

A) serpentine, reserpine

B) atropine

C) cocaine

D) none of the above

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• question_answer373) Sporophyte of Riccia is a spherical structure which is known as?

A) Sporangium

B) Sporogonium

C) Capsule

D) Sporotheca

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• question_answer374) Bicollateral bundles means:

A) they have phloem both on outer and inner side of xylem

B) they have xylem both on outer and inner side of phloem

C) both (a) and (b)

D) none of the above

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• question_answer375) Mass flow hypothesis was given by:

A) Munch

B) Mendel

C) Schleiden

D) None of these

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• question_answer376) The term ecosystem was coined by:

A) Haeckel

B) Tansley

C) R. Mishra

D) None of these

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• question_answer377) Most of the morphine is used in the manufacturing of:

A) morphine hydrochloride and morphine sulphate

B) opium tincture

C) opium powder

D) none of the above

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• question_answer378) The trophic level of lion in forest is:

A) ${{T}_{3}}$

B) ${{T}_{4}}$

C) ${{T}_{2}}$

D) ${{T}_{1}}$

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• question_answer379) Which ecosystem is most stable?

A) Mountain

B) Desert

C) Sea

D) Forest

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• question_answer380) Codon which initiate polypeptide chain is:

A) AUG and GUG

B) UAA

C) UGA

D) none of these

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• question_answer381) Barr body in women is consists of:

A) inactive paternal $X$chromosome

B) inactive maternal $X$ chromosome

C) both a and b

D) Inactive maternal or paternal$X$chromosome

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• question_answer382) Histone protein of nucleosome are:

A) ${{H}_{2}}A$ and ${{H}_{2}}B$

B) ${{H}_{3}}$

C) ${{H}_{4}}$

D) all of the above

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• question_answer383) Gossypium sp. (cotton) concerned with family:

A) Malvaceae

B) Solanaceae

C) Crucifcrae

D) Cumpositae

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• question_answer384) Ostwald and Tippo has divided plant kingdom in to:

A) two sub kingdoms

B) three sub kingdoms

C) four sub kingdoms

D) five sub kingdoms

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• question_answer385) Plants which best grow on acidic soil is called :

A) halophyte

B) mesophyte

C) oxalophyte

D) xerophytes

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• question_answer386) The gases harmful or historical monuments are:

A) $N{{O}_{2}}$ and $S{{P}_{2}}$

B) ${{O}_{2}}$ and ${{N}_{2}}$

C) C and ${{N}_{2}}$

D) None of these

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• question_answer387) Water logging is found in:

A) cpmcrete

B) clay soil

C) sandy soil

D) alluvial soil

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• question_answer388) Mesosomes arc analogous to:

A) Chloroplast

B) mitochondria

C) lysosome

D) none of these

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• question_answer389) Who discovered the virus?

A) Ivanowsky

B) W. M. Stanley

C) K. C. Mehta

D) None of these

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• question_answer390) Botanical name of Tea is:

A) Camellia sinensis

B) Coffea Arabica

C) Theobroma cacao

D) none of these

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• question_answer391) Cystolith is made up of:

A) calcium oxalate

B) calcium carbonate

C) magnesium carbonate

D) none of the above

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