# 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

• question_answer2) Wavelength of the particle whose momentum is $p:$

A) $h/p$

B) $hp$

C) $p/h$

D) $p+h$

• question_answer3) Colour of a star indicates its:

A) density

B) distance

C) energy

D) temperature

• 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

• 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

• 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

• 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) $5\mu C$

• 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

• 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%

• 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

• 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

• question_answer12) Sound waves produced in gas are:

A) longitudinal

B) transversal

C) stationary

D) progressive

• 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) $4l$

• question_answer14) Equivalent capacity between A and B is:

A) $2\mu F$

B) $3\mu F$

C) $4\mu F$

D) $0.5\mu F$

• 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) $\frac{\pi }{2}rad/\sec$

A) positively charged

B) neutral

C) negatively charged

D) none of these

• 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

• 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) $m\times Z$

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

A) $1$

B) $1/2$

C) zero

D) $1/\sqrt{2}$

• 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

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

A) Water

B) Alcohol

C) Glycerene

D) Oil

• 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) $\text{200}\,\text{J}$

• question_answer23) Nucleus of an atom has:

A) $e\,\text{and}\,n$

B) $e\,\text{and}\,p$

C) $p\,\text{and}\,n$

D) $e,p\,\text{and}\,n$

• question_answer24) Which of the following is scalar quantity?

A) Current

B) Velocity

C) Force

D) Acceleration

• 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

• 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

• 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

• 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

• 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

• 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

• question_answer31) Resolving power of human eye is:

A) 0.1

B) 1

C) 0.1?

D) 1?

• 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

• 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) $\frac{{{C}_{\upsilon }}}{{{C}_{P}}}=R$

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

A) Devic

B) Einestein

C) Newton

D) Bernoulli

• 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) $\frac{1}{2}{{m}^{2}}{{\omega }^{2}}{{x}^{2}}$

• 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) $1/4\,th$

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

A) red

B) green

C) orange

D) black

• 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):

• 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) $\frac{GM}{r}$

• 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

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

A) $-40{}^\circ F$

B) $32{}^\circ F$

C) $-32{}^\circ F$

D) $40{}^\circ C$

• 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

• 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

• question_answer44) Susceptibility of a magnetic field is:

A) $\chi =\frac{l}{H}$

B) $\chi =\frac{B}{H}$

C) $\chi =\frac{M}{V}$

D) $\chi =\frac{M}{H}$

• 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

• 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

• 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

• 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) $[{{M}^{-2}}{{L}^{-2}}{{T}^{-2}}]$

• 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

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

A) Rubber

C) Wood

D) Steel

A) 6 hour

B) 12 hour

C) 24 hour

D) 3 hour

• 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

• 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

• 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) $60{}^\circ C$

• 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

• 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$\Omega$

• 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

• 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

• 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

• 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) $\sqrt{\frac{{{\varepsilon }_{0}}}{{{\mu }_{0}}}}$

• 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) ${{I}_{P}}\propto {{V}_{P}}$

• 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$\Omega$

• 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

• 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

• 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) $1.6\,\times {{10}^{-19}}\,Joule$

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

A) volt

B) Ohm

C) Lyman

D) no unit

• 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$\Omega$

• 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) ${{10}^{15}}$

• 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

• question_answer70) Who found the charge on electron?

A) Bohr

B) Milikan

C) Thomson

D) Rozen

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

A) proton

B) photon

C) electron

D) $\alpha -$particle

• 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) $776\overset{\text{o}}{\mathop{\text{A}}}\,$

• 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) ${{T}_{0}}=0.693\,T$

• 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%

• 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

• 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

• question_answer77) Specific heat of ideal gas depends upon:

A) $T$

B) $1/T$

C) $\sqrt{T}$

D) does not depend on its temperature

• 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) $1430{}^\circ C$

• 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) $\upsilon \propto {{T}^{0}}$

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

A) Lyman

B) Balmer

C) Paschen

D) found

• 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

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

A) 84.6 min

B) $\infty$

C) 0

D) 2 second

• 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) $\frac{5}{2}KT$

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

A) 30%

B) 60%

C) 69%

D) 80%

• 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

• question_answer86) Hertz is the unit of:

A) frequency

B) intensity

C) momentum

D) wavelength

• 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

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

A) linear momentum

B) angular momentum

C) torque

D) velocity

• 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) $10\,\,m/{{s}^{2}}$

• 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

• 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) $[{{M}^{1}}{{L}^{-2}}{{T}^{-2}}]$

• 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) $3\,\upsilon$

• question_answer93) Transverse nature of light is examined by:

A) dispersion

B) scattering

C) diffraction

D) polarization

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

A) Joule/sec

B) Joule-sec

C) erg/sec

D) volt

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

• 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) $2{{h}_{1}}:{{h}_{2}}$

• 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

• 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

• 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) $\frac{1}{\sqrt{2}},-\frac{1}{\sqrt{2}}$

• 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

A) reversible

B) exothermic

C) endothermic

D) none of these

• 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) $8\times {{10}^{-3}}$

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

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

B) $O{{H}^{-}}$

C) $HCl$

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

• 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) $0.02M$

• question_answer105) $B{{F}_{3}}$ molecule is:

A) Lewis base

B) Lewis acid

C) Neutral

D) none of these

• question_answer106) Which salt is insoluble in water?

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

B) $KCl$

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

D) $NaCl$

• 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) ${{C}_{6}}{{H}_{5}}OH$

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

A) glycol

B) acetic acid

C) ethylene ozonide

D) glyoxal

• question_answer109) Number of electron in one molecule of $N{{H}_{3}}$:

A) $17$

B) $34$

C) $7$

D) $10$

• 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) $\pm 1,\pm 2,\pm 3$

• 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) $C{{H}_{3}}-CH=C{{H}_{2}}$

• question_answer112) The geometry of ammonia is:

A) tetrahedral

B) pyramidal

C) triangular

D) trigonal bipyramidal

• question_answer113) Which one is colorless?

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

B) $N{{i}^{+2}}$

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

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

• question_answer114) Which one have highest melting point

A) $CsCl$

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

C) $He$

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

• question_answer115) Which one will not show Cannizzaro reaction?

A) Trimethyl acetaldehyde

B) Formaldehyde

C) Acetaldehyde

D) Benzaldehyde

• 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

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

A) Ammonium cyanide

B) Sodalime

C) Potassium cyanide

D) Sodamide

• 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) $C{{H}_{3}}C{{H}_{2}}CHO$

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

A) $Co$

B) $Mn$

C) $Cr$

D) $Fe$

• 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

• 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) ${{K}_{1}}={{K}_{2}}$

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

A) methyl orange

B) salicylic acid

C) phenol red

D) phenolphthalein

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

A) Alkyl group

B) $-COOH$ group

C) group

D) None of these

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

A) insecticide

B) analgesic

C) hypnotic

D) war gas

• question_answer125) The strongest Bronsted base is:

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

B) $HCl{{O}^{-}}$

C) $HCl{{O}_{3}}^{-}$

D) $HCl{{O}_{4}}$

• question_answer126) The compound which have conjugate double bond:

A) butyne

B) butylene

C) isobutylene

• 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) $KN{{O}_{3}}$

• 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

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

A) ${{H}^{+}}$

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

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

D) ${{H}_{4}}{{O}^{+}}$

• question_answer130) The most paramagnetic is:

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

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

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

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

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

A) flux

B) slag

C) gangue

D) alloy

• question_answer132) The compound with maximum covalent character is:

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

B) $Al{{I}_{3}}$

C) $Ag{{I}_{2}}$

D) $NaI$

• 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

• 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

• 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) $\text{12 }litre$

• 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

• 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

• 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) $Mg{{(N{{O}_{3}})}_{3}}$

• 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

• 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) $0.1$

• 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) ${{X}_{2}}{{Y}_{3}}$

• 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

• 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) ${{10}^{-5}}m$

• 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) $Cu{{I}_{2}}\xrightarrow{{}}CuI+{{I}_{2}}$

• 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

• 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

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

A) lustre of silver

B) ashes of plant

C) metallic nature

D) active metal

• 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) $\frac{\,{{[Z]}^{2}}}{[X][Y]}$

• question_answer149) The solubility product for XY is:

A) ${{s}^{2}}$

B) $2s$

C) $4{{s}^{2}}$

D) $2s$

• question_answer150) Aldehyde and ketone can be differentiated by:

A) sodium bi sulphite

B) Fehling solution

C) ammonia

D) sulphuric acid

• 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) $C{{H}_{3}}Cl$

• 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) $C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}>C{{H}_{3}}CHO>{{(C{{H}_{3}})}_{2}}CO$

• question_answer153) The example of condensation polymerization is:

A) formaldehyde - met formaldehyde

B) acetaldehyde - para acetaldehyde

C) acetone - mesityl oxide

D) ethene - polyethene

• 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

• 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

• 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

• 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) $6\sigma ,4\pi$

• 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) ${{I}^{+}}>I+{{I}^{-}}$

• question_answer159) The geometry of the compound of $s{{p}^{3}}d$ hybridisation:

A) pyramidal

B) triangular

C) planar

D) trigonal bipyramidal

• question_answer160) Potassium nitrate is called:

A) Mohr's salt

B) Chily salt petre

C) Indian salt petre

D) Gypsum

• 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

• 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

• question_answer163) The compound formed by the reaction of ethyl-bromide and alcoholic $KOH$ is:

A) ethylene

B) acetylene

C) ethane

D) ethyl alcohol

• question_answer164) The aqueous solution $C{{H}_{3}}COONa$will be:

A) weak alkaline

B) acidic

C) strong alkaline

D) neutral

• question_answer165) The formation of cyanohydrin from $C{{H}_{3}}COC{{H}_{3}}$is called:

A) electrophilic substitution

C) nucleophilic substitution

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

A) benzene

B) vinyl acetylene

C) ethane

D) ethelene

• 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) $MgC{{l}_{2}},BeC{{l}_{2}}$

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

A) Ether

B) Alcohol

C) Alkylhalide

D) Ketone

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

A) Coulomb

B) Thomson

D) Milikan

• 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 ${{K}_{sp}}$

• 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

A) $Bas+ZnS{{O}_{4}}$

B) $Zns+CaS{{O}_{4}}$

C) $BaS{{O}_{4}}+ZnS$

D) $MgS{{O}_{4}}+ZnS$

• question_answer173) Which one is not ore of iron?

A) Limonite

B) Caeseterite

C) Sedarite

D) Magnetite

• question_answer174) Which isomerism is not shown by ether?

A) Functional isomerism

B) Position isomerism

C) Metamerism

D) Chain isomerism

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

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

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

D) ${{(C{{H}_{3}}-C{{H}_{2}})}_{2}}N{{H}_{2}}$

• question_answer176) The metal present in chlorophyll is:

A) $Fe$

B) $Ni$

C) $Mg$

D) $Zn$

• 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) ${{H}_{2}}S{{O}_{3}}$

• 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) ${{H}_{2}}S{{O}_{4}}<{{H}_{2}}C{{O}_{3}}<C{{H}_{3}}COOH$

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

A) Ethylene

B) Acetylene

C) Hexa chloro ethane

D) Ethane

A) acidic

B) amphoteric

C) basic

D) neutral

• 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) $M{{n}_{2}}{{O}_{3}}$

• question_answer182) Which one have maximum magnetic momentum?

A) $3{{d}^{5}}$

B) $3{{d}^{2}}$

C) $3{{d}^{9}}$

D) $3{{d}^{7}}$

• 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) ${{K}_{p}}={{K}_{c}}{{(RT)}^{-1}}$

• question_answer184) The nitration of benzene is:

B) electrophilic substitution

D) nucleophilic substitution

A) substitution

B) oxidation

D) all of these

• 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) $42$

• question_answer187) At room temperature formaldehyde is:

A) liquid

B) solid

C) gas

D) none of these

• question_answer188) The highest $C-H$bond energy in:

A) ethene

B) ethyne

C) ethane

D) equal in all

• 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

• 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) $C{{H}_{3}}-C{{H}_{2}}-C{{H}_{3}}$

• 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) $\frac{c}{(a+b+c)}.P$

• 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) $CH{{I}_{3}}$

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

A) $RI>RCl>RBr$

B) $RCl>RI>RBr$

C) $RCl>RBr>RI$

D) $RI>RBr>RCl$

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

A) barbituric acid

B) methyl urea

C) semi carbide

D) acetamide

• 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

• 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) $n=2,\,l=1,\,m=1,s=+\frac{1}{2}$

• 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

• 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) $5, 16, 2$

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

A) Structural gene

B) Activator gene

C) Regulator gene

D) Modulac gene

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

A) Two

B) Many

C) One

D) Three

• question_answer201) Respiration in Ascaris is:

A) aerobic respiration

B) anaerobic respiration

C) both 'a' and 'b'

D) none of these

• question_answer202) Type of blastula in chik is :

A) discoblastula

B) coeloblastula

C) amphiblastula

D) holoblastula

• question_answer203) Respiration pigment of blood in Cockroach is:

A) haemozoine

B) haemocyanin

C) haemoglobin

D) absent

• question_answer204) Which organ is enlarged in malarial patient?

A) Spleen

B) Kidney

D) Liver

A) organ for protein synthesis

B) secretory organ

C) both 'a' and 'b'

D) none of these

• 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

• question_answer207) Role of carbohydrate in protoplasm :

A) as catalyst

B) for energy

C) as enzymes

D) for synthesis

• 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

• question_answer209) Which tissue covered with calcium phosphate?

A) Bone

B) Muscles

C) Mesenchyma

D) Cartilage

• question_answer210) Lamp brush chromosomes are present in:

A) Drosophilla

B) Ascaris

C) Hydra

D) None of these

• question_answer211) Comb jelly is member of which of phylum?

A) Mollusca

B) Echinodermata

C) Coelenterata

D) Ctenophora

• question_answer212) Jaws present in which of the following?

B) Fishes

C) Pctromyzon

D) Amphwxus

• question_answer213) Which of the following is not insect?

A) Spider

B) Grasshopper

C) Fly

D) Lepisma

• question_answer214) Microlecithal eggs are present in which animals?

A) Insects

B) Aves

C) Fishes

D) Mammals

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

A) peristalsis

B) diastole

C) systole

D) muscles contraction

• question_answer216) From acrosome which secrets:

A) hyaluronic acid

B) hyaluronidase

C) TSH

D) fertilizing

• 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

• question_answer218) Gastrula is differ from blastula in:

A) three germ layers

B) micromeres

C) blastocoel

D) none of these

• question_answer219) Which gland is worked opposite to pressure?

B) Parathyroid

C) Pineal

D) Thyroid

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

A) auriculo-ventricular valves

B) eustechian valve

C) sinus valve

D) seminular valves

• 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

• question_answer222) Nucleated RBCs are present in which?

A) Rabbit

B) Camel and Lama

C) Embryo of human

D) Both 'b' and 'c'

• question_answer223) Sertoli cells are associated with :

A) kidney of Rabbit

B) ovary of Frog

C) testis of Rabbit

D) ovary of Rabbit

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

A) amino acid

B) urea

C) glucose and glycogen

D) uric acid

• question_answer225) Haemoglobin in Earthworm is present in:

A) RBC

B) protoplasm

C) coelomic fluid

D) plasma

• question_answer226) Gametes formation in animals is found in;

A) ovary

D) testis

• question_answer227) Fertilization in Earthworm is :

A) cross fertilization

B) combined fertilization

C) self-fertilization

D) all of these

A) herbivorous

B) more developed

C) carnivorous

D) omnivorous

• question_answer229) Which pigment is cause of malaria?

A) haemocyanine

B) haemoglobin

C) haemozoine

D) none of these

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

A) moulting

B) metamorphosis

C) ecdysis

D) transformation

• question_answer231) Cockroach is an animal of which class?

A) Hexapoda

B) Apoda

C) Meriopda

D) Cephalopoda

• question_answer232) Formation of pseudopodia due to:

A) chemical changes

B) viscosity changes

C) difference in pressure

D) changing in temperature

A) triploblastic, radial symmetrical and acoelomate

B) triploblastic, radial symmetrical and coelomate

C) diplobalstic, radial symmetrical and acoelomate

D) diploblastic, radial symmetrical and coelomate

• question_answer234) Malignant malaria is cause by :

A) Plasmodium falciparum

B) Plasmodium ovale

C) Plasmodium vivax

D) Plasmodium malariae

A) pyrimidine base

B) purine base

C) five carbon ring

D) structure with ring

• question_answer236) $1\,\mu$ is equal to:

A) 1 /1000 mm

B) 1 /100 mm

C) ${{10}^{-9}}mm$

D) ${{10}^{-6}}mm$

• question_answer237) Defect in gene duplication is known as :

A) transformation

B) transduction

C) mutation

D) none

• question_answer238) Cell division is :

A) S - phase

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

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

D) none of these

• question_answer239) RBC volume increase when put in :

A) isotonic

B) protoplasm

C) hypertonic

D) hypotonic

• question_answer240) Which Frog is found on trees?

A) Altes

B) Bufo

C) Hyla

D) Rana

• question_answer241) Class of insecta is:

A) Decapoda

B) Octopoda

C) Hexapoda

D) Apoda

• question_answer242) Paired vagina present in:

A) Monotrimata

B) Eutheria

C) Marsupiales

D) All of these

• question_answer243) Outer covering of tunicates is formed by:

A) tunicin

B) cellulose

C) chitin

D) all of these

A) Dodo

B) Kiwi

C) Panguine

D) Archaeopteryx

A) homiothermal

B) poikilothermal

C) both 'a' and 'b'

D) none of these

• question_answer246) The most relativity of CO than $C{{O}_{2}}$ in which compound ?

A) Carboxy haemoglobin

B) Oxygen

C) oxy haemoglobin

D) Haemoglobin

• question_answer247) Dimorphism is present in which Protozoa ?

A) lobosa

B) Ciliata

C) Sporozoans

• question_answer248) Structural and function unit of kidney is :

A) nephrone

B) efferent arteriole

C) glornerulus

D) neuron

• question_answer249) Medulla - oblongata is controls of:

A) blood pressure

B) smell or odour

C) high temperature

D) low temperature

• question_answer250) Infective stage of Ascaris is :

A) embryonated eggs

B) sporozoite

C) cysticercus larva

D) rhabditiform larva

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

A) Glutatheone

B) Heparin

C) Histamin

D) Hypnotoxine

• question_answer252) Which stage is comes just after cleavage?

A) Invagination

B) Evagination

C) Gastrula

D) Blastula

• question_answer253) Capsulogenous gland is present in :

A) ovary

B) cocoon

C) spermatheca

D) collnterial gland

• 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

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

A) sol

B) suspension matter

C) emulsion

D) gel

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

A) diffusion

B) phagocytosis

C) pinocytosis

D) osmosis

• question_answer257) Life start from which substance to upper?

A) molecule

B) amino acid

C) mixture substance

D) complex

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

A) Mosaic

B) Superposition

C) Overlapping

D) None of these

A) Ronald Ross

B) Aristotle

C) Harshfeild

D) Rosenholf

• question_answer260) In Amoeba binary fission is by :

A) amitosis

B) mitosis

C) meiosis

D) all of these

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

A) Crustacea

B) Insecta

C) Echinodermata

D) Sponges

• question_answer262) Elephant tusk shell is:

A) chitin

B) nautilus

C) patella

D) dentalium

• question_answer263) Aristotle lantern is present in:

A) Antedon

B) Solaster

C) Sea-urchin

D) Sea-cucumber

• question_answer264) Retrogressive metamorphosis is present in

A) Herdmania

B) Balanoglossus

C) Amphioxus

D) All of these

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

A) Mestigophora

B) Ciliata

C) Sporozoa

D) Rhizopoda

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

A) Reptilia

B) Aves

C) Amphibia

D) All of these

• question_answer267) Which vitamin is formed by skin?

A) Vitamin - B

B) Vitamin - E

C) Vitamin - D

D) Vitamin - A

A) LH

B) progesterone

C) estrogen

D) FSH

• question_answer269) Urea is synthesized in:

A) liver

B) intestine

C) stomach

D) kidney

• question_answer270) Respiratory centre is present where:

A) cerebrum

B) hypothalamus

C) cerebellum

D) medulla oblongata

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

A) Cliona

B) Spongilla

C) Sycon

D) Hyalonema

• question_answer272) Which structure is formed by keratin?

A) Dermal papilla

B) Hair shaft

C) Root of hair

D) Hair follicle

• question_answer273) Origin of nervous system from :

A) meso-endoderm

B) mesoderm

C) endoderm

D) ectoderm

• question_answer274) Thyroxin is secreted by which gland?

B) Parathyroid

C) Pituitary

D) Thyroid

• question_answer275) Which substance is secreted by corpus leuteum?

A) Hormone

B) Unzyme

C) Pheromone

D) Bile

• question_answer276) Segments of Earthworm are called :

A) metamere

B) sarcomere

C) prostomium

D) podomeres

• question_answer277) Zymogenic cell is present in:

B) salivary gland of Cockroach

C) gizzard of Cockroach

D) compound eye of Cockroach

• question_answer278) Penial setae are present in male Ascaris:

A) in cloaca

B) in rectum

C) anus

D) mouth

• question_answer279) Larval stage of Hydra is :

A) planula

B) rhabditiform

C) trochophore

D) none of these

• question_answer280) Female reproductive organ of Ascaris are :

A) protandrous

B) polydelphic

C) didelphic

D) monodelphic

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

A) Monocystis

B) Nosema

C) Sarcocystis

D) Nictotherus

• 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

• question_answer283) Ascaris is completed its life cycle :

A) only in Human

B) Human and Sheep

C) Human and Mosquito

D) Human and Cow

• question_answer284) Malarial parasite is observed by :

A) Sir Ronald Ross

B) Laveran

C) Patric Mantion

D) Grassi

• question_answer285) Ribunucleoprotein particles of protoplasm are:

A) ribosomes

B) plastid

C) golgi body

D) cristae

• question_answer286) Which cell is without nucleus?

A) Erythrocyte

B) Leucocytes

C) Muscles cells

D) Bone cells

• question_answer287) Endoplasmic reticulum is absent in which?

A) Monocytes of human

B) WBC of human

C) Embryonic cells

D) RBC of mammals

• question_answer288) Function of contractile vacuole in Amoeba is:

A) osmoregulation

B) nutrition

C) respiration

D) excretion

• question_answer289) Main function of ribosomes is :

A) fat synthesis

B) sterol synthesis

C) protein synthesis

D) none of these

• question_answer290) Which bird of the following is viviparous ?

A) Panguine

B) Humming bird

C) Albatross

D) None of these

• question_answer291) Snake felt sound from :

A) tympanum

B) body

C) internal ear

D) earth

• question_answer292) Fiberous tissue which connect bone to bone is:

A) ligaments

B) cartilage

C) connective tissue

D) tendon

• question_answer293) Deltoid groove is present in :

A) redio-ulna

B) femur

C) tibio-fibula

D) humerus

A) feeding

B) reproduction

C) defence

D) floating

• question_answer295) Which nerves arise from spinal cord are?

A) Mixed nerves

B) Motor

C) Sensory

D) None of these

• question_answer296) Iris of eve sensitive for :

A) light

B) chemical

C) heal

D) all

• question_answer297) Main character of phylum Porifera is:

A) canal system

B) water vascular system

C) reproductive system

D) all of these

• 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) ${{O}_{2}}$

• question_answer299) The pH of protoplasm is:

A) 6.0

B) 6.8

C) 7.8

D) 8.2

• question_answer300) The maximum element found in cytoplasm is:

A) C

B) He

C) H

D) N

• question_answer301) The enzymes found in lysosome are:

A) hydrolytic enzymes

B) proteases enzymes

C) lipases enzymes

D) cellulases enzymes

• question_answer302) Chromosome was discovered by:

A) Hofmeister

B) Muller

C) Flemming

D) Hammerling

A) Cuscuta

B) Drosera

C) Striga

D) none of these

• question_answer304) Mycoplasma is resistant for:

A) penicillin

B) tetracycline

C) streptomycin

D) all of the above

• question_answer305) The reduction division in chromosomes takes place in:

A) pollen grains

B) tapetum

C) megaspore cell

D) megaspore mother cell

• question_answer306) Calvin cycle takes place in:

A) grana

B) stroma

C) intra thylakoid

D) matrix

• question_answer307) The hormone which prevents abscission is:

A) IBA

B) ABA

C) K-N

D) GA

• question_answer308) 'Sagopalm' is obtained from:

A) Pinus

B) Cycas

C) Ginkgo

D) Date palm

• 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

• 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

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

A) algae

B) bryophyta

C) Cycas

D) none of these

• question_answer312) The biomass pyramid of forest ecosystem is:

A) linear

B) inverted

C) tetra angle

D) upright

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

A) n

B) 2n

C) 3n

D) none

• 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

• question_answer315) The significance of mitochondria was given by:

A) Flemming

B) Meves

C) Mendel

D) Altman

A) only DNA

B) DNA and RNA

C) only RNA

D) none of these

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

A) n : 1

B) n : 2

C) n : 3

D) n : 4

• 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

• 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

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

A) Singer and Nicholson

B) Robertson

C) Benneson

D) None of the above

• 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

• question_answer322) Respiratory roots (pneumatophores) are present in:

A) mesophytes

B) halophytes

C) xerophytes

D) none of these

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

A) chitin and mannose

B) cellulose

C) glucose

D) none of the above

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

A) Tracheids

B) Vessels

C) Companion cells

D) All of these

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

A) apical cell

B) lateral meristem

C) apical meristem

D) intercalary meristem

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

A) Mesuphytes

B) Succulents

C) Hydrophytes

D) None of these

• 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) ${{\Psi }_{w}}={{\Psi }_{p}}+{{\Psi }_{\pi }}+{{\Psi }_{m}}$

• question_answer328) The 'respiratory quotient' of fat is:

A) 0.7

B) 1.5

C) 1

D) 2

• question_answer329) The chloroplast in Ulothrix is:

A) girdle shaped

B) stellate

C) reticulate

D) none of these

• question_answer330) The fruit of Solanaceae family is:

A) Berry

B) Capsule

C) Pome

D) None of these

• question_answer331) Gaseous plant hormone is:

A) ethylene

B) auxin

C) gibberellin

D) cytokinin

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

A) Nostoc

B) Rhizobium

C) Oscillatoria

D) None of these

• question_answer333) Alkaloid obtained from Papaver somniferum is:

A) nicotine

B) cocaine

C) morphine

D) all of these

• 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

• 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

• question_answer336) Hormone which controls the stomatal movement is:

A) GA

B) ABA

C) $\text{IAA}$

D) KA

• 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

• 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

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

A) Violet

B) Green

C) Yellow

D) Red

• 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

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

A) B

B) Mg

C) Na

D) Fe

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

• question_answer343) The longest gymnospermic plant is:

A) Sequoia dendron

B) Pinns

C) Cycas

D) Cinchona

• question_answer344) Krebs' cycle takes place in:

A) matrix of mitochondria

B) cristae of mitochondria

C) membrane of mitochondria

D) cytoplasm

A) Solanaceae

B) Malvaceae

C) Cruciferae

D) Liliaceae

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

A) Stem

B) Bud

C) Leaf

D) Root

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

• question_answer348) Mycorrhiza is the relation of:

A) algae and fungi

B) bryophyta and fungi

C) higher plants and fungi

D) none of these

A) Cinchona

B) Sarpgandha

C) Neem

D) None of these

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

A) Bark of stem

B) Leaf

C) Root

D) flower

• 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

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

A) parthenogenesis

B) parthenocarpy

C) double fertilization

D) none of these

• question_answer353) Phytochrome is similar to:

A) carotene

B) xanthophyll

C) phycobilins

D) none of these

A) screpia protein

B) bacteria

C) virus

D) mycoplasma

• question_answer355) Active absorption of water is affected by:

A) osmosis in cytoplasm

B) transpiration pull

C) osmatic tissue

D) none of the above

• question_answer356) The characteristics of family Malvaceae is:

D) none of these

• question_answer357) Dark reaction takes place in:

A) day

B) night

C) both (a) and (b)

D) none of these

• 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

• 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

• question_answer360) Cleistothecium forms in which of the following?

A) Ascomycotina

B) Aspergillus

C) Both (a) and (b)

D) None of these

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

A) heterogamous

B) dioecious

C) homogamous

D) monoecious

• 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.

• question_answer363) The zoospores of Oedogonium contains:

A) aflagellate

B) ring of flagella

C) tetraflagellate

D) none of these

• question_answer364) The mycelium of Albugo is:

A) haploid, septate, uninucleate

B) haploid, aseptate, multinucleate

C) diploid, septate, uninucleate

D) none of the above

• question_answer365) Avena curvature test' performed by:

A) P. Scoog

B) F. W. Went

C) Odem

D) None of these

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

A) Warming

B) Odem

C) Raunkiaer

D) None of these

• question_answer367) The main force for translocation is:

A) cohesion force

B) endosmosis

C) electro-magnetic

D) osmotic power

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

A) hymenium

B) sub hymenium

C) trama

D) none of these

• question_answer369) ${{F}_{2}}$ ratio of monohybrid cross is:

A) 1 : 2

B) 1 : 2 : 1

C) 3 : 1

D) 1 : 1

• 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

• 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

• question_answer372) Which of the following shows fermentation?

A) Yeast

B) Gymnosperm

C) Angiosperm

D) None of these

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

A) Opuntia

B) Jujube

C) Caparis

D) Vallisneria

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

A) monocarpic

B) holocarpic

C) polocarpic

D) eucarpic

• question_answer375) Nucleic acid is absent in:

A) nucleus

B) mitochondria

C) chloroplast

D) golgi body

• 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 $C{{O}_{2}}$

• 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

• question_answer378) Root pressure is due to:

A) passive absorption

B) active absorption

C) in creasement in transpiration

D) none of these

• 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

• question_answer380) Fermentation is found in:

A) all fungus

B) all bacteria

C) some bacteria and some fungus

D) all micro-organism

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

A) Oxygen

B) Carbon dioxide

C) Cytochrome

D) Water

• 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

A) absorption of oxygen

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

C) light reduction

D) photolysis of water

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

A) Russia

B) Germany

C) Brazil

D) America

• question_answer385) The exarch primary xylem is found in:

A) all roots

B) all leaves

C) monocot stem

D) dicot stem

A) without nucleus

B) multinucleate

C) uninucleate

D) none of these

• question_answer387) The monocot plant shows secondary growth is:

A) Sugarcane

B) Coconut

C) Maize

D) Yucca

• question_answer388) The function of smooth endoplasmic reticulum is:

A) fat synthesis

B) protein synthesis

C) RNA synthesis

D) none of these

• 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

• question_answer390) Which of the following is parasitic nature?

A) Laminaria

B) Cephaleuros

C) Chara

D) Sytonema

• question_answer391) In photosynthesis oxygen is evolved From:

A) water

B) carbon dioxide

C) both (a) and (b)

D) none of these

• question_answer392) Synapsis takes place in:

A) leptotene phase

B) zygotene phase

C) pachytene phase

D) diplotcne phase

• 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

• 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

• 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

A) nucleotides

B) nucleosides

C) polypeptides

D) none of these

• 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 $+C{{O}_{2}}$

• question_answer398) Tylosis are found in:

A) xylem vessels

B) phloem tracheids

C) cambium

D) none of the above