Solved papers for RAJASTHAN ­ PMT Rajasthan - PMT Solved Paper-1999

done Rajasthan - PMT Solved Paper-1999

  • question_answer1) A tuning fork produce 2 beats when B sounded with one oscillator of frequency k 514 Hz, and produces 6 beats with the f other oscillator of frequency 510 Hz. The frequency of tuning fork is:

    A) 516 Hz

    B) 510 Hz

    C) 514 Hz

    D) 520 Hz

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  • question_answer2) Wavelength of the particle whose momentum is \[p:\]

    A) \[h/p\]

    B) \[hp\]

    C) \[p/h\]

    D) \[p+h\]

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  • question_answer3) Colour of a star indicates its:

    A) density

    B) distance

    C) energy

    D) temperature

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  • question_answer4) Which of the following has same dimensions to that of Planck's constant?

    A) Work

    B) Energy

    C) Linear momentum

    D) Angular momentum

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  • question_answer5) Temperature of a piece of silicon is raised from \[{{27}^{o}}C\] to \[{{100}^{o}}C,\] then its conductivity:

    A) increases

    B) decreases

    C) remains same

    D) becomes zero

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  • question_answer6) If a liquid does not wet a solid surface, then its angle of contact is:

    A) acute angle

    B) obtuse angle

    C) right angle

    D) none of these

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  • question_answer7) Three capacitors of 3, 2 and 6\[\mu F\] connected in series with a battery of 10V. Then charge on 3\[\mu F\] capacitor will be:

    A) \[10\mu C\]

    B) \[12\mu C\]

    C) \[14\mu C\]

    D) \[5\mu C\]

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  • question_answer8) To hear the echo in 1 second, the minimum L distance of the source from the reflecting surface should be:

    A) 28 m

    B) 18 m

    C) 19 m

    D) 165 m

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  • question_answer9) If length of a simple pendulum increases by 300%, then its time period increases by:

    A) 100%

    B) 200%

    C) 300%

    D) 400%

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  • question_answer10) Half life of radium is 1600 year, then its \[{{{\scriptstyle{}^{1}/{}_{16}}}^{th}}\] part will remain undecayed after:

    A) 1200 year

    B) 6400 year

    C) 1800 year

    D) 2200 year

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  • question_answer11) When a light beam enters into water from air then which of the following does not change?

    A) Velocity

    B) Frequency

    C) Wavelength

    D) Amplitude

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  • question_answer12) Sound waves produced in gas are:

    A) longitudinal

    B) transversal

    C) stationary

    D) progressive

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  • question_answer13) When a force F is applied on a wire of length L and radius r, extension produce is \[l\]. If same force F is applied on the same material wire of length 2L and radius 2r, then extension will be:

    A) \[l\]

    B) \[2l\]

    C) \[l/2\]

    D) \[4l\]

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  • question_answer14) Equivalent capacity between A and B is:

    A) \[2\mu F\]

    B) \[3\mu F\]

    C) \[4\mu F\]

    D) \[0.5\mu F\]

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  • question_answer15) Angular velocity of second hand of a clock is:

    A) \[\frac{\pi }{30}rad/\sec \]

    B) \[\frac{\pi }{60}rad/\sec \]

    C) \[\frac{\pi }{15}rad/\sec \]

    D) \[\frac{\pi }{2}rad/\sec \]

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  • question_answer16) n-type semiconductor is:

    A) positively charged

    B) neutral

    C) negatively charged

    D) none of these

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  • question_answer17) Intensity of a source of a 100 candela at a distance 2 metre is:

    A) 25 Lux

    B) 50 Lux

    C) 75 Lux

    D) 150 Lux

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  • question_answer18) Atomic number of an atom is Z and mass number is m, then number of neutrons in its nucleus is:

    A) \[m-Z\]

    B) \[\frac{m}{Z}\]

    C) \[m+Z\]

    D) \[m\times Z\]

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  • question_answer19) Power factor of L-C-R circuit in resonation condition is:

    A) \[1\]

    B) \[1/2\]

    C) zero

    D) \[1/\sqrt{2}\]

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  • question_answer20) If tension of sonometer wire is made four times, then its frequency will change by a factor of:

    A) 2

    B) 4

    C) 1/2

    D) 6

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  • question_answer21) Which of the following has maximum specific heat?

    A) Water

    B) Alcohol

    C) Glycerene

    D) Oil

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  • question_answer22) Momentum of a body of mass 1 kg is 10 kg-m/s/ then its kinetic energy will be:

    A) \[\text{100}\,\text{J}\]

    B) \[\text{50}\,\text{J}\]

    C) \[\text{1000}\,\text{J}\]

    D) \[\text{200}\,\text{J}\]

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  • question_answer23) Nucleus of an atom has:

    A) \[e\,\text{and}\,n\]

    B) \[e\,\text{and}\,p\]

    C) \[p\,\text{and}\,n\]

    D) \[e,p\,\text{and}\,n\]

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  • question_answer24) Which of the following is scalar quantity?

    A) Current

    B) Velocity

    C) Force

    D) Acceleration

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  • question_answer25) Equation of a progressive sound wave is \[y=a\,\sin \left( 400\pi t-\frac{\pi x}{0.85} \right)\]where \[x\] in (metre), \[t\] (second)/ then frequency of wave is:

    A) 200 Hz

    B) 400 Hz

    C) 500 Hz

    D) 600 Hz

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  • question_answer26) Wavelength of the wave in the above question is:

    A) 1.7m

    B) 8.5m

    C) 0.85 m

    D) 0.17 m

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  • question_answer27) A wheel completes 2000 turns in completing a distance of 9.5 km, then diameter of the wheel is:

    A) 1.5m

    B) 1.5 cm

    C) 7.5m

    D) 7.5 cm

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  • question_answer28) In nth orbit of hydrogen atom energy \[e=\frac{13.6}{{{n}^{2}}}eV,\]then energy required to displace electrons from\[n=1\,\text{to}\,n=\,2\]is:

    A) -10.2 eV

    B) 3.4 eV

    C) -13.6 eV

    D) 1.51 eV

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  • question_answer29) Relation of wavelengths of sound an light is:

    A) \[{{\lambda }_{S}}<{{\lambda }_{L}}\]

    B) \[{{\lambda }_{S}}>{{\lambda }_{L}}\]

    C) \[{{\lambda }_{S}}={{\lambda }_{L}}\]

    D) none of these

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  • question_answer30) In Young's experiment, if separate between slits is made half, then fringe width will become:

    A) double

    B) four times

    C) half

    D) remains same

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  • question_answer31) Resolving power of human eye is:

    A) 0.1

    B) 1

    C) 0.1?

    D) 1?

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  • question_answer32) Dancing of small pieces of camphor on the surface of water is due to:

    A) viscosity

    B) surface tension

    C) weight

    D) lifting force

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  • question_answer33) Relation between specific heats of an ideal gas:

    A) \[Cp+{{C}_{\upsilon }}=R\]

    B) \[{{C}_{P}}-{{C}_{\upsilon }}=R\]

    C) \[\frac{{{C}_{P}}}{{{C}_{\upsilon }}}=R\]

    D) \[\frac{{{C}_{\upsilon }}}{{{C}_{P}}}=R\]

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  • question_answer34) Who gave the kinetic molecular theory of gas?

    A) Devic

    B) Einestein

    C) Newton

    D) Bernoulli

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  • question_answer35) Potential energy of a particle at a distance x from mean position, which is execute simple hormonic motion:

    A) \[\frac{1}{2}m{{\omega }^{2}}{{x}^{2}}\]

    B) zero

    C) \[{{m}^{2}}\]

    D) \[\frac{1}{2}{{m}^{2}}{{\omega }^{2}}{{x}^{2}}\]

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  • question_answer36) If distance between light source and screen is doubled, then intensity of light will become:

    A) half

    B) double

    C) remain unchanged

    D) \[1/4\,th\]

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  • question_answer37) The colour of a red cloth in green light appears:

    A) red

    B) green

    C) orange

    D) black

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  • question_answer38) An inductor and a capacitor are connected in an A.C. circuit inductance and capacitance are 1 H and 25 \[\mu F\] then for maximum current, angular frequency will be (circuit is connected in series):

    A) 200 rad/sec

    B) 50 rad/sec

    C) 100 rad/sec

    D) 150 rad/sec

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  • question_answer39) A satellite of mass m, revolving round a planet of mass M in a circular orbit of radius r, then orbital velocity of the satellite is:

    A) \[\frac{mg}{r}\]

    B) \[\sqrt{\frac{GM}{r}}\]

    C) \[\sqrt{\frac{2GM}{r}}\]

    D) \[\frac{GM}{r}\]

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  • question_answer40) Energy stored in the unit volume of a wire due to its elasticity is:

    A) \[\frac{1}{2}\] (force \[\times \] strain)

    B) \[\frac{1}{2}\]stress \[\times \] strain

    C) stress/strain

    D) force/strain

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  • question_answer41) Value of \[-40{}^\circ C\] in Fahrenheit scale is:

    A) \[-40{}^\circ F\]

    B) \[32{}^\circ F\]

    C) \[-32{}^\circ F\]

    D) \[40{}^\circ C\]

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  • question_answer42) Spectrum of a star is shifting towards voilet colour, then the star:

    A) is going away from earth

    B) is coming towards earth

    C) intensity of light of star is increasing

    D) intensity of light of star is decreasing

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  • question_answer43) The amount of heat required to change \[1\,gm\,({{0}^{\text{o}}}C)\] of ice into water of \[{{100}^{o}}C,\] is:

    A) 716 cal

    B) 500 cal

    C) 180 cal

    D) 100 cal

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  • question_answer44) Susceptibility of a magnetic field is:

    A) \[\chi =\frac{l}{H}\]

    B) \[\chi =\frac{B}{H}\]

    C) \[\chi =\frac{M}{V}\]

    D) \[\chi =\frac{M}{H}\]

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  • question_answer45) Sphere, disc and ring are allowed to roll down on an inclined plane from its top, then order in which they reach at the bottom will be:

    A) ring, disc, sphere

    B) sphere, disc, ring

    C) disc, ring, sphere

    D) sphere, ring, disc

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  • question_answer46) If dopping in the P region is high then N region:

    A) depletion layer will more towards P.

    B) depletion layer will more towards N.

    C) depletion layer will remain unchanged.

    D) none of these

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  • question_answer47) Work of invertor is:

    A) to change A.C. into D.C.

    B) to change D.C. to A.C.

    C) to regulate voltage

    D) none of these

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  • question_answer48) Dimensions of torque is:

    A) \[[{{M}^{1}}{{L}^{2}}{{T}^{-2}}]\]

    B) \[[{{M}^{2}}{{L}^{2}}{{T}^{2}}]\]

    C) \[[{{M}^{-1}}L{{T}^{-1}}]\]

    D) \[[{{M}^{-2}}{{L}^{-2}}{{T}^{-2}}]\]

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  • question_answer49) For a triode valve \[\mu \,=\,50,\,\Delta \,{{V}_{g}}\,=0.2\] volt then value of\[\Delta \,{{V}_{P}}\,\] is:

    A) 5 volt

    B) 10 volt

    C) 0.2 volt

    D) 50 volt

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  • question_answer50) Which of the following has maximum property of elasticity?

    A) Rubber

    B) Lead

    C) Wood

    D) Steel

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  • question_answer51) If we made half the radius of earth, then duration of day will become:

    A) 6 hour

    B) 12 hour

    C) 24 hour

    D) 3 hour

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  • question_answer52) A stone is dropped in 19.6 metre depth well, echo is heard in 2.06 second, then velocity of sound is:

    A) 315.2m/s

    B) 320.5 m/s

    C) 326.7 m/s

    D) 332.4 m/s

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  • question_answer53) An electron is moving with velocity\[\vec{v}\]in the direction of magnetic field \[\vec{B}\] then force acting on electron is :

    A) zero

    B) \[e(\vec{\upsilon }\times \vec{B})\]

    C) \[e(\vec{B}\times \vec{\upsilon })\]

    D) 200 Joule

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  • question_answer54) If temperature of an object is \[140{}^\circ F\], then its temperature in centrigrade is:

    A) \[105{}^\circ C\]

    B) \[32{}^\circ C\]

    C) \[140{}^\circ C\]

    D) \[60{}^\circ C\]

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  • question_answer55) Focal length of a lens is + 10 cm and its refractive index is 1.4, it is dipped in a liquid of refractive index 1.6, then its focal length becomes:

    A) - 16 cm

    B) + 32 cm

    C) + 16 cm

    D) - 32 cm

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  • question_answer56) Ten wires each of resistance 1 ohm are connected in parallel, then total resistance will be:

    A) 10\[\Omega \]

    B) 1\[\Omega \]

    C) 0.1\[\Omega \]

    D) 0.0010\[\Omega \]

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  • question_answer57) If focal length of convex lens is 9 cm and that of a concave lens is - 18 cm, then focal length of combination is:

    A) + 9 cm

    B) -18 cm

    C) -9 cm

    D) +18 cm

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  • question_answer58) Two mirror are put at an angle of \[60{}^\circ \] then number of image of an object placed between the mirrors is:

    A) 3

    B) 4

    C) 5

    D) 6

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  • question_answer59) An observer is coming towards plane mirror with a speed of 6 m/s, then apparent velocity of his image is :

    A) 6 m/s

    B) 4 m/s

    C) 12 m/s

    D) 3 m/s

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  • question_answer60) Speed of light in vacuum is.

    A) \[\frac{1}{\sqrt{{{\mu }_{0}}{{\varepsilon }_{0}}}}\]

    B) \[\sqrt{\frac{{{\mu }_{0}}}{{{\varepsilon }_{0}}}}\]

    C) \[\sqrt{{{\mu }_{0}}{{\varepsilon }_{0}}}\]

    D) \[\sqrt{\frac{{{\varepsilon }_{0}}}{{{\mu }_{0}}}}\]

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  • question_answer61) In thermionic diode valve/ relation between, plate current and plate voltage is:

    A) \[{{I}_{P}}\propto {{V}_{P}}^{3/2}\]

    B) \[{{I}_{P}}\propto {{V}_{P}}^{2/3}\]

    C) \[{{I}_{P}}\propto {{V}_{P}}^{1/2}\]

    D) \[{{I}_{P}}\propto {{V}_{P}}\]

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  • question_answer62) In an A.C. circuit, for angular frequency \[\omega =\]1000 rad/s, resistance of a coil is 100 \[\Omega ,\] then for (\[\omega =\] 100 rad/s, resistance of the coil is:

    A) 1000\[\Omega \]

    B) 100\[\Omega \]

    C) 50\[\Omega \]

    D) 10\[\Omega \]

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  • question_answer63) In a secondary coil of a step up transformer:

    A) less turns of thin wire

    B) more turns of thin wire

    C) less turns of thick wire

    D) more turns of thick wire

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  • question_answer64) In photo electric effect intensity of incidence light is made double, then energy of emitted photo electrons will:

    A) increase

    B) decrease

    C) remain same

    D) none of these

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  • question_answer65) 1 eV is equivalent to:

    A) 10 erg

    B) \[1.1\times {{10}^{-11}}\,erg\]

    C) \[1.6\times {{10}^{-38}}erg\]

    D) \[1.6\,\times {{10}^{-19}}\,Joule\]

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  • question_answer66) Unit of amplification factor of a triode is:

    A) volt

    B) Ohm

    C) Lyman

    D) no unit

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  • question_answer67) For a vacuum diode, slope of a characteristics curve is \[2\times {{10}^{-2}}\,mA{{V}^{-1}},\] then plate resistance of diode is:

    A) 50 \[\Omega \]

    B) 50 \[\text{k}\Omega \]

    C) 500 \[\text{k}\Omega \]

    D) 500\[\Omega \]

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  • question_answer68) In a copper wire 1.6 mA current is flowing, then number of free electrons moving in wire is :

    A) \[{{10}^{11}}\]

    B) \[{{10}^{16}}\]

    C) \[{{10}^{19}}\]

    D) \[{{10}^{15}}\]

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  • question_answer69) If p-n junction is unbiased then:

    A) current is zero, because drifting of charge is same from both sides

    B) current is zero, because there is no movement of charge

    C) current is not zero

    D) none of these

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  • question_answer70) Who found the charge on electron?

    A) Bohr

    B) Milikan

    C) Thomson

    D) Rozen

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  • question_answer71) If filament is heated, then it emits:

    A) proton

    B) photon

    C) electron

    D) \[\alpha -\]particle

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  • question_answer72) If wavelength of first line of Balmer series of an atom is \[6563\overset{\text{o}}{\mathop{\text{A}}}\,,\] then the wavelength of first line of Lyman series for same atom is:

    A) \[4848\overset{\text{o}}{\mathop{\text{A}}}\,\]

    B) \[1216\overset{\text{o}}{\mathop{\text{A}}}\,\]

    C) \[909\overset{\text{o}}{\mathop{\text{A}}}\,\]

    D) \[776\overset{\text{o}}{\mathop{\text{A}}}\,\]

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  • question_answer73) Relation between half life (T) and mean life \[({{T}_{0}})\] for a radioactive element is:

    A) \[T=\frac{0.693}{{{T}_{o}}}\]

    B) \[{{T}_{0}}=\frac{0.693}{T}\]

    C) \[T=0.693\,{{T}_{0}}\]

    D) \[{{T}_{0}}=0.693\,T\]

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  • question_answer74) Half life of radioactive element is 30 days, After 90 days percentage decayed of the element will be :

    A) 92.15%

    B) 87.5%

    C) 47%

    D) 18.5%

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  • question_answer75) If pressure of water is increased, then it boils at a temperature ...\[100{}^\circ C\]:

    A) less than

    B) more than

    C) high temperature

    D) will boil at critical temperature

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  • question_answer76) Latent heat of 1 gm of steam is 536 cal/gm, then its value in Joule/kg is:

    A) \[2.25\,\times {{10}^{6}}\]

    B) \[2.25\,\times {{10}^{3}}\]

    C) 2.25

    D) none

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  • question_answer77) Specific heat of ideal gas depends upon:

    A) \[T\]

    B) \[1/T\]

    C) \[\sqrt{T}\]

    D) does not depend on its temperature

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  • question_answer78) At which temperature, the velocity of sound is double than that of \[0{}^\circ C\]:

    A) \[500{}^\circ C\]

    B) \[819{}^\circ C\]

    C) \[1071{}^\circ C\]

    D) \[1430{}^\circ C\]

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  • question_answer79) In equilibrium, the velocity of molecules of a gas depends on its temperature as:

    A) \[\upsilon \propto T\]

    B) \[\upsilon \propto \frac{1}{T}\]

    C) \[\upsilon \propto \sqrt{T}\]

    D) \[\upsilon \propto {{T}^{0}}\]

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  • question_answer80) Which of the following series, lie in visible spectrum?

    A) Lyman

    B) Balmer

    C) Paschen

    D) found

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  • question_answer81) Escape velocity of a body depends upon its mass as:

    A) \[{{\upsilon }_{e}}\propto m\]

    B) \[{{\upsilon }_{e}}\propto \frac{1}{m}\]

    C) \[{{\upsilon }_{e}}\propto \sqrt{m}\]

    D) does not depend upon mass

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  • question_answer82) Time period of a pendulum in a freely falling lift is:

    A) 84.6 min

    B) \[\infty \]

    C) 0

    D) 2 second

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  • question_answer83) According to law of equal distribution of energy the mean energy of a molecule per degree of freedom is:

    A) \[\frac{1}{2}KT\]

    B) \[KT\]

    C) \[\frac{3}{2}KT\]

    D) \[\frac{5}{2}KT\]

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  • question_answer84) If momentum of a particle increased 30%, then increase in its kinetic energy is:

    A) 30%

    B) 60%

    C) 69%

    D) 80%

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  • question_answer85) If value of surface tension is 30 dyne cm then necessary work done in blowing a soap bubble from radius 2 cm to 4 cm will be:

    A) 435 \[\pi \] erg

    B) 2880 \[\pi \]erg

    C) 1305\[\pi \] erg

    D) zero

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  • question_answer86) Hertz is the unit of:

    A) frequency

    B) intensity

    C) momentum

    D) wavelength

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  • question_answer87) Orbital velocity of a planet revolving near the earth is:

    A) 5 km/sec

    B) 8 km/sec

    C) 10.5 km/sec

    D) 11.2 km/sec

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  • question_answer88) Dimension of Planck's constant is similar to:

    A) linear momentum

    B) angular momentum

    C) torque

    D) velocity

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  • question_answer89) Value of g at the surface of earth is \[10\,m/{{s}^{2}}\], then value of 'g' at a height \[R  {{  }_{e}}\], from surface of earth is:

    A) \[1\,m/{{s}^{2}}\]         

    B) \[2.5\,m/{{s}^{2}}\]

    C)  \[4.5\,m/{{s}^{2}}\]     

    D) \[10\,\,m/{{s}^{2}}\]

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  • question_answer90) Two particles of same mass having kinetic energies 100 J and 400 J, then ratio of their momentum will be:

    A) 2 : 1

    B) 1 : 2

    C) 4 : 1

    D) 1 : 4

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  • question_answer91) Dimensions of h is:

    A) \[[{{M}^{1}}{{L}^{1}}{{T}^{-2}}]\]

    B) \[[{{M}^{1}}{{L}^{2}}{{T}^{-1}}]\]

    C) \[[{{M}^{1}}{{L}^{2}}{{T}^{-2}}]\]

    D) \[[{{M}^{1}}{{L}^{-2}}{{T}^{-2}}]\]

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  • question_answer92) A particle moving with velocity r collides with a particle of same mass moving with the same velocity in opposite direction. If collision is perfectly elastic men velocity of the first particle after collision will be :

    A) zero

    B) \[2\,\upsilon \]

    C) \[\,\upsilon \]

    D) \[3\,\upsilon \]

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  • question_answer93) Transverse nature of light is examined by:

    A) dispersion

    B) scattering

    C) diffraction

    D) polarization

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  • question_answer94) Unit of Planck's constant in M.K.S. system is:

    A) Joule/sec

    B) Joule-sec

    C) erg/sec

    D) volt

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  • question_answer95) The angular velocity of a 20 cm rope if rotated in vertical ring, so that on highest point, its tension is zero:

    A) 5 rad/sec

    B) 2 rad/sec

    C) 7.5 rad/sec

    D) 7 rad/sec

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  • question_answer96) A body takes \[{{t}_{1}}\] and \[{{t}_{2}}\] time respectively if fall from heights \[{{h}_{1}}\] and \[{{h}_{2}}\], then ratio of \[{{t}_{1}}\] and \[{{t}_{2}}\] is:

    A) \[{{h}_{1}}:{{h}_{2}}\]

    B) \[\sqrt{{{h}_{1}}}:\sqrt{{{h}_{2}}}\]

    C) \[{{h}_{1}}:2{{h}_{2}}\]

    D) \[2{{h}_{1}}:{{h}_{2}}\]

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  • question_answer97) Two particles of mass 10 g and 40 g are moving with same kinetic energy, then ratio of linear momentum is:

    A) 4 : 1

    B) 1 : 4

    C) \[\sqrt{2}:1\]

    D) 1 : 2

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  • question_answer98) Total internal reflection is possible when light ray:

    A) enters into water from air

    B) enters into glass from air

    C) enters into water from glass

    D) enters into glass from water

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  • question_answer99) If \[\hat{n}=a\hat{i}+b\hat{j},\] is perpendicular to (\[\hat{i}+\hat{j},\]then value of \[a\] and b is:

    A) 1, 0

    B) -2, 0

    C) -3, 0

    D) \[\frac{1}{\sqrt{2}},-\frac{1}{\sqrt{2}}\]

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  • question_answer100) \[\vec{a}\] and \[\vec{b}\] are such that \[|\vec{a}+\vec{b}|\,=\,|\vec{a}-\vec{b}\] then angle between \[\vec{a}\] and \[\vec{b}\] is:

    A) \[\pi /3\]

    B) \[\pi \]

    C) \[\pi /2\]

    D) zero

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  • question_answer101) Fermentation is:

    A) reversible

    B) exothermic

    C) endothermic

    D) none of these

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  • question_answer102) The ionization percentage of \[0.2M\] \[HCN\] the solution is \[0.02%\]. What will be the value of ionization constant:

    A) \[8\times {{10}^{-5}}\]

    B) \[8\times {{10}^{-9}}\]

    C) \[8\times {{10}^{-7}}\]

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

    View Answer play_arrow
  • question_answer103) Which one act as Bronsted acid as well as Bronsted base?

    A) \[C{{l}^{-}}\]

    B) \[O{{H}^{-}}\]

    C) \[HCl\]

    D) \[{{H}_{2}}O\]

    View Answer play_arrow
  • question_answer104) If the pH of \[HCl\]solution is 2 then the molar concentration of this will be:

    A) \[0.01M\]

    B) \[2M\]

    C) \[0.4M\]

    D) \[0.02M\]

    View Answer play_arrow
  • question_answer105) \[B{{F}_{3}}\] molecule is:

    A) Lewis base

    B) Lewis acid

    C) Neutral

    D) none of these

    View Answer play_arrow
  • question_answer106) Which salt is insoluble in water?

    A) \[N{{H}_{4}}Cl\]

    B) \[KCl\]

    C) \[N{{a}_{2}}S{{O}_{4}}\]

    D) \[NaCl\]

    View Answer play_arrow
  • question_answer107) Which compounds forms urotropine when reacts with \[N{{H}_{3}}\]?

    A) \[HCHO\]

    B) \[C{{H}_{3}}CHO\]

    C) \[C{{H}_{3}}COC{{H}_{3}}\]

    D) \[{{C}_{6}}{{H}_{5}}OH\]

    View Answer play_arrow
  • question_answer108) The compound formed by the ozonolysis of acetylene:

    A) glycol

    B) acetic acid

    C) ethylene ozonide

    D) glyoxal

    View Answer play_arrow
  • question_answer109) Number of electron in one molecule of \[N{{H}_{3}}\]:

    A) \[17\]

    B) \[34\]

    C) \[7\]

    D) \[10\]

    View Answer play_arrow
  • question_answer110) The values of magnetic quantum number for \[l=3\]:

    A) \[0,+1,+2,+3\]

    B) \[0,\pm 1,\pm 2,\pm 3\]

    C) \[-1,-2,-3\]

    D) \[\pm 1,\pm 2,\pm 3\]

    View Answer play_arrow
  • question_answer111) In the presence of ether, 2-chloropropane reacts with sodium and forms:

    A) n-hexane

    B) 2, 3 dimethyl butane

    C) n-hexene

    D) \[C{{H}_{3}}-CH=C{{H}_{2}}\]

    View Answer play_arrow
  • question_answer112) The geometry of ammonia is:

    A) tetrahedral

    B) pyramidal

    C) triangular

    D) trigonal bipyramidal

    View Answer play_arrow
  • question_answer113) Which one is colorless?

    A) \[C{{o}^{2+}}\]

    B) \[N{{i}^{+2}}\]

    C) \[F{{e}^{3+}}\]

    D) \[C{{u}^{+}}\]

    View Answer play_arrow
  • question_answer114) Which one have highest melting point

    A) \[CsCl\]

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

    C) \[He\]

    D) \[CHC{{l}_{3}}\]

    View Answer play_arrow
  • question_answer115) Which one will not show Cannizzaro reaction?

    A) Trimethyl acetaldehyde

    B) Formaldehyde

    C) Acetaldehyde

    D) Benzaldehyde

    View Answer play_arrow
  • question_answer116) When \[23g\]sodium metal reacts with methyl alcohol, it will form:

    A) \[1mole\]of \[{{H}_{2}}\]

    B) \[2\,mole\]of \[{{H}_{2}}\]

    C) \[\frac{1}{2}mole\]of \[{{H}_{2}}\]

    D) all of these

    View Answer play_arrow
  • question_answer117) Which inorganic compound on heating changes into organic compound?

    A) Ammonium cyanide

    B) Sodalime

    C) Potassium cyanide

    D) Sodamide

    View Answer play_arrow
  • question_answer118) Which of the following compound will not show aldol condensation?

    A) \[C{{H}_{3}}COC{{H}_{3}}\]

    B) \[HCHO\]

    C) \[C{{H}_{3}}CHO\]

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

    View Answer play_arrow
  • question_answer119) In first transition series, which element show maximum oxidation states:

    A) \[Co\]

    B) \[Mn\]

    C) \[Cr\]

    D) \[Fe\]

    View Answer play_arrow
  • question_answer120) The bad odour compound formed by the reaction between chloroform and aniline in the presence of alcoholic \[KOH\]:

    A) acetylene

    B) nitro benzene

    C) phenyl isocyanate

    D) chloromine

    View Answer play_arrow
  • question_answer121) \[N{{O}_{2}}+\frac{1}{2}{{O}_{2}}N{{O}_{3}}...........{{K}_{1}}\] \[2N{{O}_{2}}+{{O}_{2}}2N{{O}_{3}}...........{{K}_{2}}\] For the above reaction the relation between equilibrium constant is:

    A) \[{{K}_{2}}={{({{K}_{1}})}^{2}}\]

    B) \[{{K}_{2}}=\frac{1}{{{K}_{1}}}\]

    C) \[{{K}_{2}}=\frac{1}{{{K}_{{{1}^{2}}}}}\]

    D) \[{{K}_{1}}={{K}_{2}}\]

    View Answer play_arrow
  • question_answer122) The condensation product of reaction between phenol and phthalic anhydride:

    A) methyl orange

    B) salicylic acid

    C) phenol red

    D) phenolphthalein

    View Answer play_arrow
  • question_answer123) Which characteristic property is not shown by carboxylic acid group?

    A) Alkyl group

    B) \[-COOH\] group

    C) group

    D) None of these

    View Answer play_arrow
  • question_answer124) The product of reaction between chloroform and acetone is used as:

    A) insecticide

    B) analgesic

    C) hypnotic

    D) war gas

    View Answer play_arrow
  • question_answer125) The strongest Bronsted base is:

    A) \[HCl{{O}_{2}}^{-}\]

    B) \[HCl{{O}^{-}}\]

    C) \[HCl{{O}_{3}}^{-}\]

    D) \[HCl{{O}_{4}}\]

    View Answer play_arrow
  • question_answer126) The compound which have conjugate double bond:

    A) butyne

    B) butylene

    C) isobutylene

    D) butadiene

    View Answer play_arrow
  • question_answer127) Which salt on heating; does not give brown gas on heating?

    A) \[LiN{{O}_{3}}\]

    B) \[AgN{{O}_{3}}\]

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

    D) \[KN{{O}_{3}}\]

    View Answer play_arrow
  • question_answer128) The product formed by the reaction between acetylene and \[HOCl\]:

    A) ethylene chloride

    B) vinyl chloride

    C) di chloro acetaldehyde

    D) ethyledene chloride

    View Answer play_arrow
  • question_answer129) The characteristic ion of an acid in an aqueous solution is:

    A) \[{{H}^{+}}\]

    B) \[{{H}_{{{2}^{+}}}}\]

    C) \[{{H}_{3}}{{O}^{+}}\]

    D) \[{{H}_{4}}{{O}^{+}}\]

    View Answer play_arrow
  • question_answer130) The most paramagnetic is:

    A) \[C{{r}^{3+}}\]

    B) \[C{{O}^{2+}}\]

    C) \[M{{n}^{2+}}\]

    D) \[F{{e}^{2+}}\]

    View Answer play_arrow
  • question_answer131) The present undesirable matrix in mineral is called as:

    A) flux

    B) slag

    C) gangue

    D) alloy

    View Answer play_arrow
  • question_answer132) The compound with maximum covalent character is:

    A) \[AlC{{l}_{3}}\]

    B) \[Al{{I}_{3}}\]

    C) \[Ag{{I}_{2}}\]

    D) \[NaI\]

    View Answer play_arrow
  • question_answer133) \[N{{F}_{3}}\] and \[B{{F}_{3}}\]both are covalent, but \[B{{F}_{3}}\] is non-polar, while \[N{{F}_{3}}\] is polar because:

    A) Boron is non metal in free state, while \[{{N}_{2}}\]is gas

    B) There is no dipole moment in \[B-F\]bond while \[N-F\]bond have some dipole moment.

    C) \[B{{F}_{3}}\] is planar while \[N{{F}_{3}}\]is pyramidal

    D) Boron atom is smaller than nitrogen atom

    View Answer play_arrow
  • question_answer134) Many compounds are formed by carbon atom because of its:

    A) more reactivity

    B) covalent and ionic nature

    C) variable valency

    D) catenation nature

    View Answer play_arrow
  • question_answer135) For the complete combustion of 4 litre ethane, how much oxygen is required?

    A) \[14\text{ }litre\]

    B) \[4\text{ }litre\]

    C) \[\text{8 }litre\]

    D) \[\text{12 }litre\]

    View Answer play_arrow
  • question_answer136) In a group of periodic table what is the basis of:

    A) ionic potential

    B) electron affinity

    C) electron negativity

    D) number of covalent electron

    View Answer play_arrow
  • question_answer137) The work of cone. \[{{H}_{2}}S{{O}_{4}}\] in esterification process is as:

    A) dehydrating agent and catalyst

    B) dehydrating agent

    C) hydrolyzing agent

    D) catalyst

    View Answer play_arrow
  • question_answer138) When magnesium is heated, the another compound formed with \[MgO\] is:

    A) \[M{{g}_{3}}{{N}_{2}}\]

    B) \[Mg{{(N{{O}_{3}})}_{2}}\]

    C) \[MgC{{O}_{3}}\]

    D) \[Mg{{(N{{O}_{3}})}_{3}}\]

    View Answer play_arrow
  • question_answer139) The \[C-H\] bond energy in ethane, ethene and ethyne:

    A) more in ethane

    B) more in ethane

    C) more in ethyne

    D) same in all the above

    View Answer play_arrow
  • question_answer140) The solubility of \[AgCl\] is \[1.435gm/litre\]. What will be the solubility product?

    A) \[{{10}^{-4}}\]

    B) \[0.01\]

    C) \[0.001\]

    D) \[0.1\]

    View Answer play_arrow
  • question_answer141) If two elements X and Y have 3 and 6 electrons in its outer most shell, then the molecular formula of compound formed by the combination of X and Y:

    A) \[XY\]

    B) \[{{X}_{3}}Y~\]

    C) \[{{X}_{2}}Y\]

    D) \[{{X}_{2}}{{Y}_{3}}\]

    View Answer play_arrow
  • question_answer142) The I.U.P.A.C. name of \[\underset{C{{H}_{2}}}{\overset{OH}{\mathop{|}}}\,.\underset{C{{H}_{2}}}{\overset{OH}{\mathop{|}}}\,\,\,\,\,.\,\,\,\underset{C{{H}_{2}}}{\overset{OH}{\mathop{|}}}\,\,\,\,\]is:

    A) 1, 2, 3 propane tri-ol

    B) 3-hydroxy butanoic acid

    C) 1, 2 ethane di-ol

    D) 3-methyl butanol-1

    View Answer play_arrow
  • question_answer143) The number of \[{{H}^{+}}\] ion in half normal solution of \[N{{a}_{2}}C{{O}_{3}}\]and \[C{{H}_{3}}COOH\]:

    A) \[>{{10}^{-7}}m\]

    B) \[{{10}^{-7}}m\]

    C) \[<{{10}^{-7}}m\]

    D) \[{{10}^{-5}}m\]

    View Answer play_arrow
  • question_answer144) Which of the following is not a redox reaction?

    A) \[KCN+Fe{{(CN)}_{2}}\xrightarrow{{}}{{K}_{4}}[Fe{{(CN)}_{6}}]\]

    B) \[Rb+{{H}_{2}}O\xrightarrow{{}}RbOH+{{H}_{2}}\]

    C) \[{{H}_{2}}{{O}_{2}}\xrightarrow{{}}{{H}_{2}}O+O\]

    D) \[Cu{{I}_{2}}\xrightarrow{{}}CuI+{{I}_{2}}\]

    View Answer play_arrow
  • question_answer145) The correct electronic configuration of element with atomic number 29:

    A) \[1{{s}^{2}},2{{s}^{2}}\text{ }2{{p}^{6}},3{{s}^{2}}\text{ }3{{p}^{6}}\text{ }3{{d}^{10}},4{{s}^{1}}\]

    B) \[1{{s}^{2}},2{{s}^{2}}\,2{{p}^{6}},\,3{{s}^{2}}\,3{{p}^{6}}\,3{{d}^{11}}\]

    C) \[1{{s}^{2}},2{{s}^{2}},2{{p}^{6}}\text{ }3{{s}^{2}}\text{ }3{{p}^{17}}\]

    D) none of these

    View Answer play_arrow
  • question_answer146) Which of the following statement is correct for ketone and acetaldehyde?

    A) Both reacts with \[HCN\] and forms hydrine

    B) Both reacts with \[NaOH\]and forms polymer

    C) Both forms acid on oxidation and reduction

    D) Both forms alcohol on reduction and oxidation

    View Answer play_arrow
  • question_answer147) The prefix word 'alkali' for alkaline metals shows:

    A) lustre of silver

    B) ashes of plant

    C) metallic nature

    D) active metal

    View Answer play_arrow
  • question_answer148) \[2X+2Y\xrightarrow{{}}2Z\] The equilibrium constant for the above reaction:

    A) \[\frac{[2X]\,[2Y]}{[2Z]}\]

    B) \[\frac{[X]\,[Y]}{[Z]}\]

    C) \[\frac{\,{{[Z]}^{2}}}{{{[X]}^{2}}{{[Y]}^{2}}}\]

    D) \[\frac{\,{{[Z]}^{2}}}{[X][Y]}\]

    View Answer play_arrow
  • question_answer149) The solubility product for XY is:

    A) \[{{s}^{2}}\]

    B) \[2s\]

    C) \[4{{s}^{2}}\]

    D) \[2s\]

    View Answer play_arrow
  • question_answer150) Aldehyde and ketone can be differentiated by:

    A) sodium bi sulphite

    B) Fehling solution

    C) ammonia

    D) sulphuric acid

    View Answer play_arrow
  • question_answer151) The product of the reaction between chloral and \[NaOH\] is:

    A) \[C{{H}_{3}}COOH\]

    B) \[C{{H}_{3}}CHO\]

    C) \[CHC{{l}_{3}}\]

    D) \[C{{H}_{3}}Cl\]

    View Answer play_arrow
  • question_answer152) The correct reactivity order is:

    A) \[C{{H}_{3}}CHO>{{(C{{H}_{3}})}_{2}}CO>C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}\]

    B) \[{{(C{{H}_{3}})}_{2}}CO>C{{H}_{3}}CHO>C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}\]

    C) \[C{{H}_{3}}CHO>C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}>{{(C{{H}_{3}})}_{2}}CO\]

    D) \[C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}>C{{H}_{3}}CHO>{{(C{{H}_{3}})}_{2}}CO\]

    View Answer play_arrow
  • question_answer153) The example of condensation polymerization is:

    A) formaldehyde - met formaldehyde

    B) acetaldehyde - para acetaldehyde

    C) acetone - mesityl oxide

    D) ethene - polyethene

    View Answer play_arrow
  • question_answer154) The probability of finding of three impaired electron in nitrogen atom is defined by:

    A) Aufbau's principle

    B) Uncertainty principle

    C) Fault's principle

    D) Hund's rule

    View Answer play_arrow
  • question_answer155) In a reversible reaction if the concentration of reactants and products are doubled, the value of \[{{K}_{c}}\]will be:

    A) half of the initial value

    B) double of initial value

    C) one fourth of the initial value

    D) same the initial value

    View Answer play_arrow
  • question_answer156) The main product of heating of sodium formate at \[{{360}^{o}}C\]is:

    A) \[CO\]

    B) sodium oxalate

    C) \[N{{a}_{2}}C{{O}_{3}}\]

    D) none of these

    View Answer play_arrow
  • question_answer157) The number of \[\sigma \] (sigma) and \[\pi \] (pi) bonds in 1-butene-3-yne is:

    A) \[5\sigma ,5\pi \]

    B) \[8\sigma ,6\pi \]

    C) \[7\sigma ,3\pi \]

    D) \[6\sigma ,4\pi \]

    View Answer play_arrow
  • question_answer158) The correct size of iodine atom and iodine ion is:

    A) \[{{I}^{-}}>{{I}^{+}}+I\]

    B) \[I>{{I}^{+}}+{{I}^{-}}\]

    C) \[I>{{I}^{-}}+{{I}^{+}}\]

    D) \[{{I}^{+}}>I+{{I}^{-}}\]

    View Answer play_arrow
  • question_answer159) The geometry of the compound of \[s{{p}^{3}}d\] hybridisation:

    A) pyramidal

    B) triangular

    C) planar

    D) trigonal bipyramidal

    View Answer play_arrow
  • question_answer160) Potassium nitrate is called:

    A) Mohr's salt

    B) Chily salt petre

    C) Indian salt petre

    D) Gypsum

    View Answer play_arrow
  • question_answer161) The value of \[{{K}_{h}}\] for salt of weak acid and weak base is:

    A) \[{{K}_{h}}=\frac{{{K}_{\omega }}}{{{K}_{a}}}\]

    B) \[{{K}_{h}}=\frac{{{K}_{\omega }}}{{{K}_{a}}.{{K}_{b}}}\]

    C) \[{{K}_{h}}=\frac{{{K}_{\omega }}}{{{K}_{h}}}\]

    D) hydrolysis does not occur

    View Answer play_arrow
  • question_answer162) Which one is required for the separation of proton from nucleus?

    A) Nucleus energy

    B) Thermal energy

    C) Binding energy

    D) Kinetic energy

    View Answer play_arrow
  • question_answer163) The compound formed by the reaction of ethyl-bromide and alcoholic \[KOH\] is:

    A) ethylene

    B) acetylene

    C) ethane

    D) ethyl alcohol

    View Answer play_arrow
  • question_answer164) The aqueous solution \[C{{H}_{3}}COONa\]will be:

    A) weak alkaline

    B) acidic

    C) strong alkaline

    D) neutral

    View Answer play_arrow
  • question_answer165) The formation of cyanohydrin from \[C{{H}_{3}}COC{{H}_{3}}\]is called:

    A) electrophilic substitution

    B) nucleophilic addition

    C) nucleophilic substitution

    D) electrophilic addition

    View Answer play_arrow
  • question_answer166) Passed in red hot iron of acetylene gives:

    A) benzene

    B) vinyl acetylene

    C) ethane

    D) ethelene

    View Answer play_arrow
  • question_answer167) The pair of compounds with maximum and minimum ionic character for \[LiCl\], \[RbCl,\] \[BeC{{l}_{2}}\]and \[MgC{{l}_{2}}\]:

    A) \[LiCI,MgC{{l}_{2}}\]

    B) \[RbCl,MgC{{l}_{2}}\]

    C) \[RbCl,BeC{{l}_{2}}\]

    D) \[MgC{{l}_{2}},BeC{{l}_{2}}\]

    View Answer play_arrow
  • question_answer168) Which of the following compound obtained by Williamson's synthesis?

    A) Ether

    B) Alcohol

    C) Alkylhalide

    D) Ketone

    View Answer play_arrow
  • question_answer169) The scientist responsible for the charge of electron is:

    A) Coulomb

    B) Thomson

    C) Chadwik

    D) Milikan

    View Answer play_arrow
  • question_answer170) At equilibrium, \[HCl\] is added in \[NaCl\] solution, \[NaCl\] precipitates, because:

    A) \[HCl\] is strong acid

    B) \[HCl\] is weak acid

    C) the solubility of \[NaCl\] decreases

    D) ionic product of \[NaCl\] is more than \[{{K}_{sp}}\]

    View Answer play_arrow
  • question_answer171) In which compound addition of \[HBr\] does not show according to Anti Markownikoff's rule?

    A) Benzene

    B) 2-pentene

    C) 2-butene

    D) Propene

    View Answer play_arrow
  • question_answer172) Lithopone is:

    A) \[Bas+ZnS{{O}_{4}}\]

    B) \[Zns+CaS{{O}_{4}}\]

    C) \[BaS{{O}_{4}}+ZnS\]

    D) \[MgS{{O}_{4}}+ZnS\]

    View Answer play_arrow
  • question_answer173) Which one is not ore of iron?

    A) Limonite

    B) Caeseterite

    C) Sedarite

    D) Magnetite

    View Answer play_arrow
  • question_answer174) Which isomerism is not shown by ether?

    A) Functional isomerism

    B) Position isomerism

    C) Metamerism

    D) Chain isomerism

    View Answer play_arrow
  • question_answer175) Least basic is:

    A) \[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\]

    B) \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]

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

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

    View Answer play_arrow
  • question_answer176) The metal present in chlorophyll is:

    A) \[Fe\]

    B) \[Ni\]

    C) \[Mg\]

    D) \[Zn\]

    View Answer play_arrow
  • question_answer177) In which of following compound has not \[+6\] oxidation number of S?

    A) \[S{{O}_{3}}\]

    B) \[{{H}_{2}}S{{O}_{4}}\]

    C) \[S{{O}_{4}}^{-\,\,-}\]

    D) \[{{H}_{2}}S{{O}_{3}}\]

    View Answer play_arrow
  • question_answer178) The correct order of acidity of acetic acid sulphuric acid and carbonic acid is:

    A) \[C{{H}_{3}}COOH<{{H}_{2}}S{{O}_{4}}<{{H}_{2}}C{{O}_{3}}\]

    B) \[{{H}_{2}}C{{O}_{3}}<C{{H}_{3}}COOH<{{H}_{2}}S{{O}_{4}}\]

    C) \[C{{H}_{3}}COOH<{{H}_{2}}C{{O}_{3}}<{{H}_{2}}S{{O}_{4}}\]

    D) \[{{H}_{2}}S{{O}_{4}}<{{H}_{2}}C{{O}_{3}}<C{{H}_{3}}COOH\]

    View Answer play_arrow
  • question_answer179) In which compound the rotation of carbon-carbon bond is minimum?

    A) Ethylene

    B) Acetylene

    C) Hexa chloro ethane

    D) Ethane

    View Answer play_arrow
  • question_answer180) Acetamide is:

    A) acidic

    B) amphoteric

    C) basic

    D) neutral

    View Answer play_arrow
  • question_answer181) In which compound \[Mn\] has minimum oxidation state?

    A) \[KMn{{O}_{4}}\]

    B) \[Mn{{O}_{2}}\]

    C) \[{{K}_{2}}Mn{{O}_{4}}\]

    D) \[M{{n}_{2}}{{O}_{3}}\]

    View Answer play_arrow
  • question_answer182) Which one have maximum magnetic momentum?

    A) \[3{{d}^{5}}\]

    B) \[3{{d}^{2}}\]

    C) \[3{{d}^{9}}\]

    D) \[3{{d}^{7}}\]

    View Answer play_arrow
  • question_answer183) \[2A+2B2C+2D\] For the above equation, the correct relationship is:

    A) \[{{K}_{p}}={{K}_{c}}{{(RT)}^{-2}}\]

    B) \[{{K}_{p}}={{K}_{c}}\]

    C) \[{{K}_{p}}=\frac{{{K}_{c}}}{2}\]

    D) \[{{K}_{p}}={{K}_{c}}{{(RT)}^{-1}}\]

    View Answer play_arrow
  • question_answer184) The nitration of benzene is:

    A) electrophilic addition

    B) electrophilic substitution

    C) nucleophilic addition

    D) nucleophilic substitution

    View Answer play_arrow
  • question_answer185) Benzene shows:

    A) substitution

    B) oxidation

    C) addition

    D) all of these

    View Answer play_arrow
  • question_answer186) An electronic configuration of a metal is 2, 8, 14 and mass number of metal is 56. Then the number of neutron in its nucleus is:

    A) \[32\]

    B) \[30\]

    C) \[34\]

    D) \[42\]

    View Answer play_arrow
  • question_answer187) At room temperature formaldehyde is:

    A) liquid

    B) solid

    C) gas

    D) none of these

    View Answer play_arrow
  • question_answer188) The highest \[C-H\]bond energy in:

    A) ethene

    B) ethyne

    C) ethane

    D) equal in all

    View Answer play_arrow
  • question_answer189) Formic acid and acetic acid can be distinguished chemically by:

    A) reaction with \[HCl\]

    B) iodoform test

    C) reaction with \[N{{H}_{3}}\]

    D) reaction with \[FeC{{l}_{3}}\] solution

    View Answer play_arrow
  • question_answer190) \[CHC\equiv CH\xrightarrow[Ni]{{{H}_{2}}}A,\] product A is:

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

    B) \[C{{H}_{4}}\]

    C) \[C{{H}_{3}}-C{{H}_{3}}\]

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

    View Answer play_arrow
  • question_answer191) \[PC{{l}_{5}}PC{{l}_{3}}+C{{l}_{2}}\]in this reversible reaction the moles of \[PC{{l}_{5}},\] \[PC{{l}_{3}},\] and \[C{{l}_{2}}\] are a, b and c respectively and total pressure is P then value of \[{{K}_{p}}\] is:

    A) \[\frac{bc}{a}.RT\]

    B) \[\frac{b}{(a+b+c)}.P\]

    C) \[\frac{bc.P}{a(a+b+c)}\]

    D) \[\frac{c}{(a+b+c)}.P\]

    View Answer play_arrow
  • question_answer192) \[\underset{\begin{smallmatrix} || \\ C{{H}_{2}} \end{smallmatrix}}{\mathop{C}}\,{{H}_{2}}\xrightarrow{{{O}_{3}}}X\xrightarrow{{{H}_{2}}O}Y+Z.\] In this reaction Y compound is:

    A) \[{{C}_{2}}{{H}_{5}}OH\]

    B) \[HCHO\]

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

    D) \[CH{{I}_{3}}\]

    View Answer play_arrow
  • question_answer193) The correct reactivity order of alkyl halide is:

    A) \[RI>RCl>RBr\]

    B) \[RCl>RI>RBr\]

    C) \[RCl>RBr>RI\]

    D) \[RI>RBr>RCl\]

    View Answer play_arrow
  • question_answer194) The compound obtained by the reaction between urea and hydrazine is:

    A) barbituric acid

    B) methyl urea

    C) semi carbide

    D) acetamide

    View Answer play_arrow
  • question_answer195) Which indicator used in titration of sodium carbonate and \[HCl\]?

    A) \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]

    B) \[{{K}_{3}}[Fe{{(CN)}_{6}}]\]

    C) Phenolphthalien

    D) Methyl orange

    View Answer play_arrow
  • question_answer196) Which of the following set of four quantum number is not allowed for an electron of an atom?

    A) \[n=1,\,l=0,\,m=1,s=+\frac{1}{2}\]

    B) \[n=1,\,l=1,\,m=1,s=+\frac{1}{2}\]

    C) \[n=1,\,l=0,\,m=1,s=-\frac{1}{2}\]

    D) \[n=2,\,l=1,\,m=1,s=+\frac{1}{2}\]

    View Answer play_arrow
  • question_answer197) If two ice cube are in contact, pressure is exerted, which is responsible to joint the two ice cubes?

    A) Hydrogen bond

    B) Covalent bond

    C) van der Waal's bond

    D) Dipole attraction force

    View Answer play_arrow
  • question_answer198) \[Mn{{O}_{4}}+{{C}_{2}}O_{4}^{2-}+{{H}^{+}}\xrightarrow{{}}M{{n}^{2+}}\] \[+C{{O}_{2}}+{{H}_{2}}O\] In the above reaction the number of reactants respectively:

    A) \[2, 5, 16\]

    B) \[16, 3, 2\]

    C) \[2, 16, 5\]

    D) \[5, 16, 2\]

    View Answer play_arrow
  • question_answer199) Operator genes are controls to which gene mechanism?

    A) Structural gene

    B) Activator gene

    C) Regulator gene

    D) Modulac gene

    View Answer play_arrow
  • question_answer200) How many ovum are developed in ovary of Hydra?

    A) Two

    B) Many

    C) One

    D) Three

    View Answer play_arrow
  • question_answer201) Respiration in Ascaris is:

    A) aerobic respiration

    B) anaerobic respiration

    C) both 'a' and 'b'

    D) none of these

    View Answer play_arrow
  • question_answer202) Type of blastula in chik is :

    A) discoblastula

    B) coeloblastula

    C) amphiblastula

    D) holoblastula

    View Answer play_arrow
  • question_answer203) Respiration pigment of blood in Cockroach is:

    A) haemozoine

    B) haemocyanin

    C) haemoglobin

    D) absent

    View Answer play_arrow
  • question_answer204) Which organ is enlarged in malarial patient?

    A) Spleen

    B) Kidney

    C) Gall bladder

    D) Liver

    View Answer play_arrow
  • question_answer205) Golgi body is:

    A) organ for protein synthesis

    B) secretory organ

    C) both 'a' and 'b'

    D) none of these

    View Answer play_arrow
  • question_answer206) DNA is specific because it has :

    A) numbers of nucleotides

    B) specific nature of phosphate and sugar

    C) arrangement of protein in DNA

    D) specific nature of purine and pyrimidines

    View Answer play_arrow
  • question_answer207) Role of carbohydrate in protoplasm :

    A) as catalyst

    B) for energy

    C) as enzymes

    D) for synthesis

    View Answer play_arrow
  • question_answer208) In Amoeba hyaline cap is formed by :

    A) around the food vacuole

    B) around the contractile vacuole

    C) around the nucleus

    D) on pseudopodia

    View Answer play_arrow
  • question_answer209) Which tissue covered with calcium phosphate?

    A) Bone

    B) Muscles

    C) Mesenchyma

    D) Cartilage

    View Answer play_arrow
  • question_answer210) Lamp brush chromosomes are present in:

    A) Drosophilla

    B) Ascaris

    C) Hydra

    D) None of these

    View Answer play_arrow
  • question_answer211) Comb jelly is member of which of phylum?

    A) Mollusca

    B) Echinodermata

    C) Coelenterata

    D) Ctenophora

    View Answer play_arrow
  • question_answer212) Jaws present in which of the following?

    A) Heradmania

    B) Fishes

    C) Pctromyzon

    D) Amphwxus

    View Answer play_arrow
  • question_answer213) Which of the following is not insect?

    A) Spider

    B) Grasshopper

    C) Fly

    D) Lepisma

    View Answer play_arrow
  • question_answer214) Microlecithal eggs are present in which animals?

    A) Insects

    B) Aves

    C) Fishes

    D) Mammals

    View Answer play_arrow
  • question_answer215) Muscular movements of alimentary canal are known as :

    A) peristalsis

    B) diastole

    C) systole

    D) muscles contraction

    View Answer play_arrow
  • question_answer216) From acrosome which secrets:

    A) hyaluronic acid

    B) hyaluronidase

    C) TSH

    D) fertilizing

    View Answer play_arrow
  • question_answer217) When embryonic development is completed in mother but the embryo not accept nutritent from mother. Which is known as:

    A) ovoviparous

    B) viviparous

    C) oviparous

    D) all of these

    View Answer play_arrow
  • question_answer218) Gastrula is differ from blastula in:

    A) three germ layers

    B) micromeres

    C) blastocoel

    D) none of these

    View Answer play_arrow
  • question_answer219) Which gland is worked opposite to pressure?

    A) Adrenal

    B) Parathyroid

    C) Pineal

    D) Thyroid

    View Answer play_arrow
  • question_answer220) First heart sound is produced during closure of:

    A) auriculo-ventricular valves

    B) eustechian valve

    C) sinus valve

    D) seminular valves

    View Answer play_arrow
  • question_answer221) In motor neuron the impulse following in which direction?

    A) In two direction

    B) In one direction

    C) In all direction

    D) None of these

    View Answer play_arrow
  • question_answer222) Nucleated RBCs are present in which?

    A) Rabbit

    B) Camel and Lama

    C) Embryo of human

    D) Both 'b' and 'c'

    View Answer play_arrow
  • question_answer223) Sertoli cells are associated with :

    A) kidney of Rabbit

    B) ovary of Frog

    C) testis of Rabbit

    D) ovary of Rabbit

    View Answer play_arrow
  • question_answer224) Final excretion in urine of which substance is :

    A) amino acid

    B) urea

    C) glucose and glycogen

    D) uric acid

    View Answer play_arrow
  • question_answer225) Haemoglobin in Earthworm is present in:

    A) RBC

    B) protoplasm

    C) coelomic fluid

    D) plasma

    View Answer play_arrow
  • question_answer226) Gametes formation in animals is found in;

    A) ovary

    B) gonads

    C) gall bladder

    D) testis

    View Answer play_arrow
  • question_answer227) Fertilization in Earthworm is :

    A) cross fertilization

    B) combined fertilization

    C) self-fertilization

    D) all of these

    View Answer play_arrow
  • question_answer228) Hydra is:

    A) herbivorous

    B) more developed

    C) carnivorous

    D) omnivorous

    View Answer play_arrow
  • question_answer229) Which pigment is cause of malaria?

    A) haemocyanine

    B) haemoglobin

    C) haemozoine

    D) none of these

    View Answer play_arrow
  • question_answer230) Changing of a small Cockroach into adults is know as:

    A) moulting

    B) metamorphosis

    C) ecdysis

    D) transformation

    View Answer play_arrow
  • question_answer231) Cockroach is an animal of which class?

    A) Hexapoda

    B) Apoda

    C) Meriopda

    D) Cephalopoda

    View Answer play_arrow
  • question_answer232) Formation of pseudopodia due to:

    A) chemical changes

    B) viscosity changes

    C) difference in pressure

    D) changing in temperature

    View Answer play_arrow
  • question_answer233) Hydra is:

    A) triploblastic, radial symmetrical and acoelomate

    B) triploblastic, radial symmetrical and coelomate

    C) diplobalstic, radial symmetrical and acoelomate

    D) diploblastic, radial symmetrical and coelomate

    View Answer play_arrow
  • question_answer234) Malignant malaria is cause by :

    A) Plasmodium falciparum

    B) Plasmodium ovale

    C) Plasmodium vivax

    D) Plasmodium malariae

    View Answer play_arrow
  • question_answer235) Adenine is :

    A) pyrimidine base

    B) purine base

    C) five carbon ring

    D) structure with ring

    View Answer play_arrow
  • question_answer236) \[1\,\mu \] is equal to:

    A) 1 /1000 mm

    B) 1 /100 mm

    C) \[{{10}^{-9}}mm\]

    D) \[{{10}^{-6}}mm\]

    View Answer play_arrow
  • question_answer237) Defect in gene duplication is known as :

    A) transformation

    B) transduction

    C) mutation

    D) none

    View Answer play_arrow
  • question_answer238) Cell division is :

    A) S - phase

    B) \[{{G}_{2}}\]- phase

    C) \[{{G}_{1}}\]- phase

    D) none of these

    View Answer play_arrow
  • question_answer239) RBC volume increase when put in :

    A) isotonic

    B) protoplasm

    C) hypertonic

    D) hypotonic

    View Answer play_arrow
  • question_answer240) Which Frog is found on trees?

    A) Altes

    B) Bufo

    C) Hyla

    D) Rana

    View Answer play_arrow
  • question_answer241) Class of insecta is:

    A) Decapoda

    B) Octopoda

    C) Hexapoda

    D) Apoda

    View Answer play_arrow
  • question_answer242) Paired vagina present in:

    A) Monotrimata

    B) Eutheria

    C) Marsupiales

    D) All of these

    View Answer play_arrow
  • question_answer243) Outer covering of tunicates is formed by:

    A) tunicin

    B) cellulose

    C) chitin

    D) all of these

    View Answer play_arrow
  • question_answer244) Connecting link between bird and Reptiles is:

    A) Dodo

    B) Kiwi

    C) Panguine

    D) Archaeopteryx

    View Answer play_arrow
  • question_answer245) Fishes are:

    A) homiothermal

    B) poikilothermal

    C) both 'a' and 'b'

    D) none of these

    View Answer play_arrow
  • question_answer246) The most relativity of CO than \[C{{O}_{2}}\] in which compound ?

    A) Carboxy haemoglobin

    B) Oxygen

    C) oxy haemoglobin

    D) Haemoglobin

    View Answer play_arrow
  • question_answer247) Dimorphism is present in which Protozoa ?

    A) lobosa

    B) Ciliata

    C) Sporozoans

    D) Radiolarian

    View Answer play_arrow
  • question_answer248) Structural and function unit of kidney is :

    A) nephrone

    B) efferent arteriole

    C) glornerulus

    D) neuron

    View Answer play_arrow
  • question_answer249) Medulla - oblongata is controls of:

    A) blood pressure

    B) smell or odour

    C) high temperature

    D) low temperature

    View Answer play_arrow
  • question_answer250) Infective stage of Ascaris is :

    A) embryonated eggs

    B) sporozoite

    C) cysticercus larva

    D) rhabditiform larva

    View Answer play_arrow
  • question_answer251) In Hydra, which substance of nematocyst worked as hipnotizing substance?

    A) Glutatheone

    B) Heparin

    C) Histamin

    D) Hypnotoxine

    View Answer play_arrow
  • question_answer252) Which stage is comes just after cleavage?

    A) Invagination

    B) Evagination

    C) Gastrula

    D) Blastula

    View Answer play_arrow
  • question_answer253) Capsulogenous gland is present in :

    A) ovary

    B) cocoon

    C) spermatheca

    D) collnterial gland

    View Answer play_arrow
  • question_answer254) All mechanism of living organism divided in two parts:

    A) reproduction and evolution

    B) nutrition and metabolism

    C) synthesis and metabolism

    D) reproduction and internal autonomy

    View Answer play_arrow
  • question_answer255) When the particles are distributed freely in colloid then it called :

    A) sol

    B) suspension matter

    C) emulsion

    D) gel

    View Answer play_arrow
  • question_answer256) Sucking of liquids from surface by cell known as:

    A) diffusion

    B) phagocytosis

    C) pinocytosis

    D) osmosis

    View Answer play_arrow
  • question_answer257) Life start from which substance to upper?

    A) molecule

    B) amino acid

    C) mixture substance

    D) complex

    View Answer play_arrow
  • question_answer258) Which type of image is found in eye of Cockroach ?

    A) Mosaic

    B) Superposition

    C) Overlapping

    D) None of these

    View Answer play_arrow
  • question_answer259) Broad description of Amoeba given by:

    A) Ronald Ross

    B) Aristotle

    C) Harshfeild

    D) Rosenholf

    View Answer play_arrow
  • question_answer260) In Amoeba binary fission is by :

    A) amitosis

    B) mitosis

    C) meiosis

    D) all of these

    View Answer play_arrow
  • question_answer261) Which of the following animals are not present in fresh water?

    A) Crustacea

    B) Insecta

    C) Echinodermata

    D) Sponges

    View Answer play_arrow
  • question_answer262) Elephant tusk shell is:

    A) chitin

    B) nautilus

    C) patella

    D) dentalium

    View Answer play_arrow
  • question_answer263) Aristotle lantern is present in:

    A) Antedon

    B) Solaster

    C) Sea-urchin

    D) Sea-cucumber

    View Answer play_arrow
  • question_answer264) Retrogressive metamorphosis is present in

    A) Herdmania

    B) Balanoglossus

    C) Amphioxus

    D) All of these

    View Answer play_arrow
  • question_answer265) Which of the following class of Protozoa is totally class of parasites?

    A) Mestigophora

    B) Ciliata

    C) Sporozoa

    D) Rhizopoda

    View Answer play_arrow
  • question_answer266) Dicondylic stage and ten pairs of cranial 'nerves are present in following?

    A) Reptilia

    B) Aves

    C) Amphibia

    D) All of these

    View Answer play_arrow
  • question_answer267) Which vitamin is formed by skin?

    A) Vitamin - B

    B) Vitamin - E

    C) Vitamin - D

    D) Vitamin - A

    View Answer play_arrow
  • question_answer268) Corpus leuteum secrets:

    A) LH

    B) progesterone

    C) estrogen

    D) FSH

    View Answer play_arrow
  • question_answer269) Urea is synthesized in:

    A) liver

    B) intestine

    C) stomach

    D) kidney

    View Answer play_arrow
  • question_answer270) Respiratory centre is present where:

    A) cerebrum

    B) hypothalamus

    C) cerebellum

    D) medulla oblongata

    View Answer play_arrow
  • question_answer271) Which of the following Sponge is present in river?

    A) Cliona

    B) Spongilla

    C) Sycon

    D) Hyalonema

    View Answer play_arrow
  • question_answer272) Which structure is formed by keratin?

    A) Dermal papilla

    B) Hair shaft

    C) Root of hair

    D) Hair follicle

    View Answer play_arrow
  • question_answer273) Origin of nervous system from :

    A) meso-endoderm

    B) mesoderm

    C) endoderm

    D) ectoderm

    View Answer play_arrow
  • question_answer274) Thyroxin is secreted by which gland?

    A) Adrenal

    B) Parathyroid

    C) Pituitary

    D) Thyroid

    View Answer play_arrow
  • question_answer275) Which substance is secreted by corpus leuteum?

    A) Hormone

    B) Unzyme

    C) Pheromone

    D) Bile

    View Answer play_arrow
  • question_answer276) Segments of Earthworm are called :

    A) metamere

    B) sarcomere

    C) prostomium

    D) podomeres

    View Answer play_arrow
  • question_answer277) Zymogenic cell is present in:

    A) corpora adipose

    B) salivary gland of Cockroach

    C) gizzard of Cockroach

    D) compound eye of Cockroach

    View Answer play_arrow
  • question_answer278) Penial setae are present in male Ascaris:

    A) in cloaca

    B) in rectum

    C) anus

    D) mouth

    View Answer play_arrow
  • question_answer279) Larval stage of Hydra is :

    A) planula

    B) rhabditiform

    C) trochophore

    D) none of these

    View Answer play_arrow
  • question_answer280) Female reproductive organ of Ascaris are :

    A) protandrous

    B) polydelphic

    C) didelphic

    D) monodelphic

    View Answer play_arrow
  • question_answer281) Which parasite is present in seminal vessicle of Earth worm?

    A) Monocystis

    B) Nosema

    C) Sarcocystis

    D) Nictotherus

    View Answer play_arrow
  • question_answer282) Malarial parasite harmful for liver cells in which cycle?

    A) Erythrocytic cycle

    B) After erythrocytic cycle

    C) Before erythrocytic cycle

    D) None of these

    View Answer play_arrow
  • question_answer283) Ascaris is completed its life cycle :

    A) only in Human

    B) Human and Sheep

    C) Human and Mosquito

    D) Human and Cow

    View Answer play_arrow
  • question_answer284) Malarial parasite is observed by :

    A) Sir Ronald Ross

    B) Laveran

    C) Patric Mantion

    D) Grassi

    View Answer play_arrow
  • question_answer285) Ribunucleoprotein particles of protoplasm are:

    A) ribosomes

    B) plastid

    C) golgi body

    D) cristae

    View Answer play_arrow
  • question_answer286) Which cell is without nucleus?

    A) Erythrocyte

    B) Leucocytes

    C) Muscles cells

    D) Bone cells

    View Answer play_arrow
  • question_answer287) Endoplasmic reticulum is absent in which?

    A) Monocytes of human

    B) WBC of human

    C) Embryonic cells

    D) RBC of mammals

    View Answer play_arrow
  • question_answer288) Function of contractile vacuole in Amoeba is:

    A) osmoregulation

    B) nutrition

    C) respiration

    D) excretion

    View Answer play_arrow
  • question_answer289) Main function of ribosomes is :

    A) fat synthesis

    B) sterol synthesis

    C) protein synthesis

    D) none of these

    View Answer play_arrow
  • question_answer290) Which bird of the following is viviparous ?

    A) Panguine

    B) Humming bird

    C) Albatross

    D) None of these

    View Answer play_arrow
  • question_answer291) Snake felt sound from :

    A) tympanum

    B) body

    C) internal ear

    D) earth

    View Answer play_arrow
  • question_answer292) Fiberous tissue which connect bone to bone is:

    A) ligaments

    B) cartilage

    C) connective tissue

    D) tendon

    View Answer play_arrow
  • question_answer293) Deltoid groove is present in :

    A) redio-ulna

    B) femur

    C) tibio-fibula

    D) humerus

    View Answer play_arrow
  • question_answer294) Pneumatophore is helpful in:

    A) feeding

    B) reproduction

    C) defence

    D) floating

    View Answer play_arrow
  • question_answer295) Which nerves arise from spinal cord are?

    A) Mixed nerves

    B) Motor

    C) Sensory

    D) None of these

    View Answer play_arrow
  • question_answer296) Iris of eve sensitive for :

    A) light

    B) chemical

    C) heal

    D) all

    View Answer play_arrow
  • question_answer297) Main character of phylum Porifera is:

    A) canal system

    B) water vascular system

    C) reproductive system

    D) all of these

    View Answer play_arrow
  • question_answer298) Which of the following is shift in chloride-shift?

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

    B) Bicarbonate ions

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

    D) \[{{O}_{2}}\]

    View Answer play_arrow
  • question_answer299) The pH of protoplasm is:

    A) 6.0

    B) 6.8

    C) 7.8

    D) 8.2

    View Answer play_arrow
  • question_answer300) The maximum element found in cytoplasm is:

    A) C

    B) He

    C) H

    D) N

    View Answer play_arrow
  • question_answer301) The enzymes found in lysosome are:

    A) hydrolytic enzymes

    B) proteases enzymes

    C) lipases enzymes

    D) cellulases enzymes

    View Answer play_arrow
  • question_answer302) Chromosome was discovered by:

    A) Hofmeister

    B) Muller

    C) Flemming

    D) Hammerling

    View Answer play_arrow
  • question_answer303) Insectivorous plant is:

    A) Cuscuta

    B) Drosera

    C) Striga

    D) none of these

    View Answer play_arrow
  • question_answer304) Mycoplasma is resistant for:

    A) penicillin

    B) tetracycline

    C) streptomycin

    D) all of the above

    View Answer play_arrow
  • question_answer305) The reduction division in chromosomes takes place in:

    A) pollen grains

    B) tapetum

    C) megaspore cell

    D) megaspore mother cell

    View Answer play_arrow
  • question_answer306) Calvin cycle takes place in:

    A) grana

    B) stroma

    C) intra thylakoid

    D) matrix

    View Answer play_arrow
  • question_answer307) The hormone which prevents abscission is:

    A) IBA

    B) ABA

    C) K-N

    D) GA

    View Answer play_arrow
  • question_answer308) 'Sagopalm' is obtained from:

    A) Pinus

    B) Cycas

    C) Ginkgo

    D) Date palm

    View Answer play_arrow
  • question_answer309) Which of the following is not the function of 'golgi body??

    A) Protein synthesis

    B) Formation of 'cell wall

    C) Formation of fatty acids

    D) Formation of plasma membrane

    View Answer play_arrow
  • question_answer310) The RNA found in eukaryotic ribosome are:

    A) 5S and 16S RNA

    B) 5S, 16S, 185 RNA

    C) 23S, 16S, RNA

    D) 5S and 28S RNA

    View Answer play_arrow
  • question_answer311) Water is not necessary for the fertilization of:

    A) algae

    B) bryophyta

    C) Cycas

    D) none of these

    View Answer play_arrow
  • question_answer312) The biomass pyramid of forest ecosystem is:

    A) linear

    B) inverted

    C) tetra angle

    D) upright

    View Answer play_arrow
  • question_answer313) After pollination the number of chromosome in egg. will be:

    A) n

    B) 2n

    C) 3n

    D) none

    View Answer play_arrow
  • question_answer314) Double fertilization is the:

    A) fertilization of two eggs in an embryo sac

    B) fusion of one male gamete with the egg cell and another male gamete with the secondary nuclei

    C) fusion of two male gametes with two polar nuclei

    D) fusion of one male gamete with secondary nucleus

    View Answer play_arrow
  • question_answer315) The significance of mitochondria was given by:

    A) Flemming

    B) Meves

    C) Mendel

    D) Altman

    View Answer play_arrow
  • question_answer316) Mitochondria contains:

    A) only DNA

    B) DNA and RNA

    C) only RNA

    D) none of these

    View Answer play_arrow
  • question_answer317) Which of the following shows minimum number of chromosomes?

    A) n : 1

    B) n : 2

    C) n : 3

    D) n : 4

    View Answer play_arrow
  • question_answer318) Which of the following is formed in light reaction of photosynthesis?

    A) ATP

    B) \[NADP{{H}_{2}}\]

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

    D) All the above

    View Answer play_arrow
  • question_answer319) In lysogenic phase which of the following takes place?

    A) Phage DNA integrated with host genome and does not multiplied

    B) phage DNA does not integrate with host genome

    C) Phage DNA integrates with host genome and bacterial cell does not lyse

    D) Phage DNA integrated with host DNA and multiplied

    View Answer play_arrow
  • question_answer320) Who proposed 'fluid mosaic model' of plasma membrane?

    A) Singer and Nicholson

    B) Robertson

    C) Benneson

    D) None of the above

    View Answer play_arrow
  • question_answer321) The development of sporangium in Pteridium is a:

    A) leptosporangiate type

    B) eusporangiate type

    C) both and type

    D) none of the above

    View Answer play_arrow
  • question_answer322) Respiratory roots (pneumatophores) are present in:

    A) mesophytes

    B) halophytes

    C) xerophytes

    D) none of these

    View Answer play_arrow
  • question_answer323) The cell wall of fungi is formed by:

    A) chitin and mannose

    B) cellulose

    C) glucose

    D) none of the above

    View Answer play_arrow
  • question_answer324) Which is present in vascular bundle of Pinus?

    A) Tracheids

    B) Vessels

    C) Companion cells

    D) All of these

    View Answer play_arrow
  • question_answer325) Growth of stem in diameter is due to:

    A) apical cell

    B) lateral meristem

    C) apical meristem

    D) intercalary meristem

    View Answer play_arrow
  • question_answer326) The plant group in which stomata opens in night is?

    A) Mesuphytes

    B) Succulents

    C) Hydrophytes

    D) None of these

    View Answer play_arrow
  • question_answer327) The right equation for water potential is:

    A) \[\Psi ={{\Psi }_{p}}-(\Psi +{{\Psi }_{m}})\]

    B) \[\Psi ={{\Psi }_{p}}+({{\Psi }_{s}}-{{\Psi }_{m}})\]

    C) \[{{\Psi }_{w}}={{\Psi }_{s}}+{{\Psi }_{p}}\]

    D) \[{{\Psi }_{w}}={{\Psi }_{p}}+{{\Psi }_{\pi }}+{{\Psi }_{m}}\]

    View Answer play_arrow
  • question_answer328) The 'respiratory quotient' of fat is:

    A) 0.7

    B) 1.5

    C) 1

    D) 2

    View Answer play_arrow
  • question_answer329) The chloroplast in Ulothrix is:

    A) girdle shaped

    B) stellate

    C) reticulate

    D) none of these

    View Answer play_arrow
  • question_answer330) The fruit of Solanaceae family is:

    A) Berry

    B) Capsule

    C) Pome

    D) None of these

    View Answer play_arrow
  • question_answer331) Gaseous plant hormone is:

    A) ethylene

    B) auxin

    C) gibberellin

    D) cytokinin

    View Answer play_arrow
  • question_answer332) Which of the following is not involve in symbiotic nitrogen fixation?

    A) Nostoc

    B) Rhizobium

    C) Oscillatoria

    D) None of these

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  • question_answer333) Alkaloid obtained from Papaver somniferum is:

    A) nicotine

    B) cocaine

    C) morphine

    D) all of these

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  • question_answer334) Transpiration rate will increase if:

    A) there is humid atmosphere and high wind

    B) mere is humid atmosphere and low wind

    C) there is high temperature and low wind

    D) none of the above

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  • question_answer335) Which of the following test is used for AIDS?

    A) ELISA test

    B) Western blot test

    C) P.C.R.

    D) None of these

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  • question_answer336) Hormone which controls the stomatal movement is:

    A) GA

    B) ABA

    C) \[\text{IAA}\]

    D) KA

    View Answer play_arrow
  • question_answer337) The aquatic species of bryophytes are :

    A) Riccia fluitans and Ricciocarpus natans

    B) fluitans and R. discolor

    C) R fluitans and R. abbusieance

    D) none of the above

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  • question_answer338) What is the reason for the presence of water drops on the leaves of plants in the morning?

    A) Secretion

    B) Guttation

    C) Tranpiration

    D) None of these

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  • question_answer339) In which colour the rate of photosynthesis is maximum?

    A) Violet

    B) Green

    C) Yellow

    D) Red

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  • question_answer340) The first carbon dioxide acceptor in Calvin cycle is:

    A) PEP carboxylase

    B) RuBP carboxylase

    C) RuBP oxygenase

    D) none of the above

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  • question_answer341) The element which is found in chlorophyll molecule:

    A) B

    B) Mg

    C) Na

    D) Fe

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  • question_answer342) Yeast shows:

    A) ha p lob ion tic alternation of generation

    B) diplobiontic alternation of generation

    C) haplo-diplobiontic alternation of generation

    D) all of the above

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  • question_answer343) The longest gymnospermic plant is:

    A) Sequoia dendron

    B) Pinns

    C) Cycas

    D) Cinchona

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  • question_answer344) Krebs' cycle takes place in:

    A) matrix of mitochondria

    B) cristae of mitochondria

    C) membrane of mitochondria

    D) cytoplasm

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  • question_answer345) Family of Atropa belladonna is:

    A) Solanaceae

    B) Malvaceae

    C) Cruciferae

    D) Liliaceae

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  • question_answer346) Asafoetida is obtained from which part of the plant:

    A) Stem

    B) Bud

    C) Leaf

    D) Root

    View Answer play_arrow
  • question_answer347) False statement is:

    A) ribosome made up of ribo proteins

    B) ribosome is single membrane bound organelle

    C) membrane is absent in ribosome

    D) ribosome consists of two sub units

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  • question_answer348) Mycorrhiza is the relation of:

    A) algae and fungi

    B) bryophyta and fungi

    C) higher plants and fungi

    D) none of these

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  • question_answer349) Reserpine obtains from:

    A) Cinchona

    B) Sarpgandha

    C) Neem

    D) None of these

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  • question_answer350) From which part of the 'Cinchona' 'quenine' obtains?

    A) Bark of stem

    B) Leaf

    C) Root

    D) flower

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  • question_answer351) In a normal dicot leaf the phloem in the midrib faces:

    A) upper epidermis

    B) lower epidermis

    C) centre of vascular bundle

    D) none of the above

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  • question_answer352) The embryo formed from ovule is known as:

    A) parthenogenesis

    B) parthenocarpy

    C) double fertilization

    D) none of these

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  • question_answer353) Phytochrome is similar to:

    A) carotene

    B) xanthophyll

    C) phycobilins

    D) none of these

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  • question_answer354) The cause of 'mad cow' disease in England was:

    A) screpia protein

    B) bacteria

    C) virus

    D) mycoplasma

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  • question_answer355) Active absorption of water is affected by:

    A) osmosis in cytoplasm

    B) transpiration pull

    C) osmatic tissue

    D) none of the above

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  • question_answer356) The characteristics of family Malvaceae is:

    A) monadelphous

    B) diadelphous

    C) tetradelphous

    D) none of these

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  • question_answer357) Dark reaction takes place in:

    A) day

    B) night

    C) both (a) and (b)

    D) none of these

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  • question_answer358) Gemma cups in Marchantia are present on:

    A) apical notch

    B) ventral side of thallus

    C) dorsal side of thallus

    D) both dorsal and ventral side

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  • question_answer359) Resolving power of compound microscope is:

    A) 2.75 \[\mu m\]

    B) 27.5 \[\mu m\]

    C) 0.275 \[\mu m\]

    D) none of these

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  • question_answer360) Cleistothecium forms in which of the following?

    A) Ascomycotina

    B) Aspergillus

    C) Both (a) and (b)

    D) None of these

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  • question_answer361) When two odd characters are present in a gene this is known as:

    A) heterogamous

    B) dioecious

    C) homogamous

    D) monoecious

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  • question_answer362) Which of the following is false statement?

    A) Bacteriophage attacking on E. coli is called T-Phage.

    B) T-phage is tadpole in shape

    C) \[\text{-}\]phage contains single thread

    D) \[\text{-}\]phage contains two thread.

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  • question_answer363) The zoospores of Oedogonium contains:

    A) aflagellate

    B) ring of flagella

    C) tetraflagellate

    D) none of these

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  • question_answer364) The mycelium of Albugo is:

    A) haploid, septate, uninucleate

    B) haploid, aseptate, multinucleate

    C) diploid, septate, uninucleate

    D) none of the above

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  • question_answer365) Avena curvature test' performed by:

    A) P. Scoog

    B) F. W. Went

    C) Odem

    D) None of these

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  • question_answer366) Who divide plants into four group on the basis of temperature?

    A) Warming

    B) Odem

    C) Raunkiaer

    D) None of these

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  • question_answer367) The main force for translocation is:

    A) cohesion force

    B) endosmosis

    C) electro-magnetic

    D) osmotic power

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  • question_answer368) The fertile layer of Agaricus is known as:

    A) hymenium

    B) sub hymenium

    C) trama

    D) none of these

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  • question_answer369) \[{{F}_{2}}\] ratio of monohybrid cross is:

    A) 1 : 2

    B) 1 : 2 : 1

    C) 3 : 1

    D) 1 : 1

    View Answer play_arrow
  • question_answer370) On selfing heterozygous, long, \[{{F}_{1}}\] generations plants both long and dwarf plants obtained in \[{{F}_{2}}\] generation this shows:

    A) law of dominance

    B) law of segregation

    C) law of independent assortment

    D) none of these

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  • question_answer371) Peristome of Funaria contains:

    A) 4 teeths in single ring

    B) 32 teeths in two rings

    C) 16 teeths

    D) 18 teeths in two rings

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  • question_answer372) Which of the following shows fermentation?

    A) Yeast

    B) Gymnosperm

    C) Angiosperm

    D) None of these

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  • question_answer373) Which of the following is not xerophytic plant?

    A) Opuntia

    B) Jujube

    C) Caparis

    D) Vallisneria

    View Answer play_arrow
  • question_answer374) Plants who flowers single time in their life cycle is known as:

    A) monocarpic

    B) holocarpic

    C) polocarpic

    D) eucarpic

    View Answer play_arrow
  • question_answer375) Nucleic acid is absent in:

    A) nucleus

    B) mitochondria

    C) chloroplast

    D) golgi body

    View Answer play_arrow
  • question_answer376) The conditions in which photo respiration takes place are:

    A) high concentration of \[{{O}_{2}}\] and low \[C{{O}_{2}}\]

    B) low light and high concentration of \[{{O}_{2}}\]

    C) low temperature and high concentration of \[C{{O}_{2}}\]

    D) low concentration of \[{{O}_{2}}\] and high \[C{{O}_{2}}\]

    View Answer play_arrow
  • question_answer377) Which of the following is floral formula of Brassica campestris?

    A) \[\oplus \,{{K}_{4}}\,{{C}_{4}}\,{{A}_{4+\,2}}\,{{\underline{G}}_{(2)}}\,\]

    B) \[\oplus \,{{K}_{4}}\,{{C}_{5}}\,{{A}_{10}}\,{{\underline{G}}_{(5)}}\,\]

    C) \[%\,{{K}_{4}}\,{{C}_{2+3}}\,{{A}_{5}}\,{{\underline{G}}_{(2)}}\,\]

    D) None of the above

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  • question_answer378) Root pressure is due to:

    A) passive absorption

    B) active absorption

    C) in creasement in transpiration

    D) none of these

    View Answer play_arrow
  • question_answer379) The last product of aerobic respiration is:

    A) starch and oxygen

    B) water and energy

    C) water, carbon in oxide and energy

    D) none of the above

    View Answer play_arrow
  • question_answer380) Fermentation is found in:

    A) all fungus

    B) all bacteria

    C) some bacteria and some fungus

    D) all micro-organism

    View Answer play_arrow
  • question_answer381) Which electron carrier is found in both photo phosphorylation and oxidative phosphorylation?

    A) Oxygen

    B) Carbon dioxide

    C) Cytochrome

    D) Water

    View Answer play_arrow
  • question_answer382) The long chain fatty acids are oxidized by

    A) \[\beta \]-oxidation

    B) \[\alpha \]-oxidation

    C) both (a) and (b)

    D) none of these

    View Answer play_arrow
  • question_answer383) Hill reaction is:

    A) absorption of oxygen

    B) \[C{{O}_{2}}\] fixation

    C) light reduction

    D) photolysis of water

    View Answer play_arrow
  • question_answer384) The country which produces maximum part of greenhouse gases in the world is:

    A) Russia

    B) Germany

    C) Brazil

    D) America

    View Answer play_arrow
  • question_answer385) The exarch primary xylem is found in:

    A) all roots

    B) all leaves

    C) monocot stem

    D) dicot stem

    View Answer play_arrow
  • question_answer386) Sieve tube is:

    A) without nucleus

    B) multinucleate

    C) uninucleate

    D) none of these

    View Answer play_arrow
  • question_answer387) The monocot plant shows secondary growth is:

    A) Sugarcane

    B) Coconut

    C) Maize

    D) Yucca

    View Answer play_arrow
  • question_answer388) The function of smooth endoplasmic reticulum is:

    A) fat synthesis

    B) protein synthesis

    C) RNA synthesis

    D) none of these

    View Answer play_arrow
  • question_answer389) Which of the following is related to Mycology?

    A) Dr. K.C, Mehta

    B) Dr. S.R. Kashyap

    C) Dr. P. Maheshwari

    D) None of the above

    View Answer play_arrow
  • question_answer390) Which of the following is parasitic nature?

    A) Laminaria

    B) Cephaleuros

    C) Chara

    D) Sytonema

    View Answer play_arrow
  • question_answer391) In photosynthesis oxygen is evolved From:

    A) water

    B) carbon dioxide

    C) both (a) and (b)

    D) none of these

    View Answer play_arrow
  • question_answer392) Synapsis takes place in:

    A) leptotene phase

    B) zygotene phase

    C) pachytene phase

    D) diplotcne phase

    View Answer play_arrow
  • question_answer393) Famous famine of Bengal in 1942-43 was due to destruction of Rice crop by:

    A) Helminthosporium

    B) Rhizopus

    C) Puccinia

    D) None of the above

    View Answer play_arrow
  • question_answer394) The change of starch into carbonic acid is related with:

    A) closing of stomata

    B) opening of stomata

    C) stimulation of stomata

    D) none of the above

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  • question_answer395) \[{{C}_{4}}-\]plants is also known as:

    A) Calvin type

    B) Hatch and Slack type

    C) Emmersion type

    D) none of the above

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  • question_answer396) DNA is made up of:

    A) nucleotides

    B) nucleosides

    C) polypeptides

    D) none of these

    View Answer play_arrow
  • question_answer397) Which of the following is produced by the degradation of carbohydrate an aerobically?

    A) Fructose \[+{{H}_{2}}O\]

    B) \[C{{O}_{2}}+{{H}_{2}}O\]

    C) Glucose \[+{{H}_{2}}O\]

    D) Alcohol \[+C{{O}_{2}}\]

    View Answer play_arrow
  • question_answer398) Tylosis are found in:

    A) xylem vessels

    B) phloem tracheids

    C) cambium

    D) none of the above

    View Answer play_arrow

   

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