Solved papers for Punjab Medical Punjab - MET Solved Paper-2001

done Punjab - MET Solved Paper-2001

  • question_answer1) The dimension \[[M{{L}^{-1}}{{T}^{-2}}]\] represents

    A) Youngs modulus

    B) stress

    C) pressure

    D) all of these

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  • question_answer2) A cylinder of mass \[10\,\,kg\] is rolling on a plane with an initial velocity of\[10\,\,m/s\]. If coefficient of friction between surface and cylinder is\[0.5\], then before stopping, it will describe

    A) \[12.5\,\,m\]

    B) \[5\,\,m\]

    C) \[7.5\,\,m\]

    D) \[10\,\,m\]

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  • question_answer3) A bomber plane moves horizontally with a speed of \[500\,\,m/s\] and bomb released from it strikes the ground in\[10\sec \]. Angle at which it strikes the ground will be\[(g=10m/{{s}^{2}})\]

    A) \[{{\tan }^{-1}}\frac{1}{5}\]

    B) \[{{\tan }^{+1}}\frac{1}{5}\]

    C) \[{{\tan }^{-1}}1\]

    D) \[{{\tan }^{-1}}5\]

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  • question_answer4) A body of mass \[40\,\,kg\] having velocity \[4\,\,m/s\] colloids with another body of mass 60kg having velocity\[2\,\,m/s\]. If the collision is inelastic, then loss in kinetic energy will be

    A) \[440\,\,\text{J}\]

    B) \[392\,\,\text{J}\]

    C) \[48\,\,\text{J}\]

    D) \[144\,\,\text{J}\]

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  • question_answer5) The apparent weight of the body, when it is travelling downwards with an acceleration of \[2\,\,m/s\] and mass is\[10\,\,kg\], will be

    A) \[198\,\,N\]

    B) \[164\,\,N\]

    C) \[140\,\,N\]

    D) \[118\,\,N\]

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  • question_answer6) A cyclist moves in a circular track or radius\[100\,\,m\]. If the coefficient of friction\[0.2\]. Then the maximum speed with which the cyclist can take a turn without leaving inwards, is

    A) \[14.0\,\,m/s\]

    B) \[140\,\,m/s\]

    C) \[1.4\,\,m/s\]

    D) \[9.8\,\,m/s\]

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  • question_answer7) The horizontal range of a projectile is \[4\sqrt{3}\] times its maximum height, then the angle of projection is

    A) \[{{30}^{o}}\]

    B) \[{{45}^{o}}\]

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

    D) \[{{90}^{o}}\]

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  • question_answer8) A block slides down an inclined plane making an angle \[\theta ={{30}^{o}}\] with the horizontal with an acceleration\[\frac{g}{4}\], then coefficient of frictions will be

    A) \[\frac{1}{4}\left( \frac{\sqrt{3}}{2} \right)\]

    B) \[\frac{1}{4}-\frac{\sqrt{3}}{2}\]

    C) \[\frac{1}{2\sqrt{3}}\]

    D) \[2\sqrt{3}\]

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  • question_answer9) A wheel of mass \[10\,\,kg\] has a moment of inertia of \[160\,\,kg\text{-}{{m}^{2}}\] about its own axis, the radius of gyration will be

    A) \[10\,\,m\]

    B) \[8\,\,m\]

    C) \[6\,\,m\]

    D) \[4\,\,m\]

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  • question_answer10) A running man has half the kinetic energy of that of a boy of half of his mass. The man speeds up by \[1\,\,m/s\] so as to have same K.E. as that of the boy. The original speed of the man will be

    A) \[\sqrt{2}\,\,m/s\]

    B) \[(\sqrt{2}-1)\,\,m/s\]

    C) \[\frac{1}{(\sqrt{2}-1)}\,\,m/s\]

    D) \[\frac{1}{\sqrt{2}}\,\,m/s\]

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  • question_answer11) If a cycle wheel of radius \[4\,\,m\] completes one revolution in two seconds. Then acceleration of the cycle will be

    A) \[{{\pi }^{2}}m/{{s}^{2}}\]

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

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

    D) \[8\pi \,\,m/{{s}^{2}}\]

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  • question_answer12) Assuming earth to be a sphere of a uniform density, the value of g in a mine 100 km below the earth surface will be

    A) \[3.66\,\,m/{{s}^{2}}\]

    B) \[5.66\,\,m/{{s}^{2}}\]

    C) \[7.64\,\,m/{{s}^{2}}\]

    D) \[9.66\,\,m/{{s}^{2}}\]

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  • question_answer13) The angular speed of earth, so that the object on equator may appear weight less, is \[(g=10)\,\,m/{{s}^{2}}\], radius of earth\[6400\,\,km\]

    A) \[1.25\times {{10}^{-3}}rad/s\]

    B) \[1.56\times {{10}^{-3}}rad/\sec \]

    C) \[1.25\times {{10}^{-1}}rad/s\]

    D) \[1.56\,\,rad/\sec \]

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  • question_answer14) Mass of moon is \[1/81\] times that of earth and its radius is \[1/4\] the radius of earth. If escape velocity on the surface of the earth is\[11.2\,\,km/s\]. Then the value of escape velocity at surface of the moon will be

    A) \[5\,\,km/s\]

    B) \[2.5\,\,km/s\]

    C) \[0.5\,\,km/\sec \]

    D) \[0.14\,\,km/\sec \]

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  • question_answer15) Pressure inside two soap bubbles are 1.01 and 1.02 atmospheres. Ratio between their volumes is

    A) \[2:1\]

    B) \[8:1\]

    C) \[108:101\]

    D) \[{{(102)}^{2}}:{{(103)}^{2}}\]

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  • question_answer16) A bob of mass \[10\,\,kg\] is attached to wire \[0.3\] long. Its breaking stress is\[4.8\times {{10}^{7}}N{{m}^{2}}\]. The area of cross section of the wire is\[{{10}^{-6}}{{m}^{2}}\]. The maximum angular velocity with which it can be rotated in a horizontal circle

    A) \[8\,\,rad/\sec \]

    B) \[4\,\,rad/\sec \]

    C) \[2\,\,rad/\sec \]

    D) \[1\,\,rad/\sec \]

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  • question_answer17) A body cools from \[{{60}^{o}}C\] to \[{{50}^{o}}C\] in 10 minutes. If the room temperature is \[{{25}^{o}}C\] and assuming Newtons cooling law holds good, the temperature of the body at the end of next 10 minute is

    A) \[{{45}^{o}}C\]

    B) \[{{42.85}^{o}}C\]

    C) \[{{40}^{o}}C\]

    D) \[{{38.5}^{o}}C\]

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  • question_answer18) The original temperature of a black body is\[{{727}^{o}}C\]. The temperature at which this black body must be raised so as to double, the total radiant energy, is

    A) \[971\,\,K\]

    B) \[1190\,\,K\]

    C) \[2001\,\,K\]

    D) \[1458\,\,K\]

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  • question_answer19) Molar specific heat at constant pressure for a mono atomic gas is

    A) \[\frac{8}{2}R\]

    B) \[\frac{7}{2}R\]

    C) \[\frac{5}{2}R\]

    D) \[\frac{3}{2}R\]

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  • question_answer20) A Carnot engine works between temperature\[{{727}^{o}}C\]and\[{{27}^{o}}C\]. The efficiency of the engine is

    A) \[70%\]

    B) \[35%\]

    C) \[90%\]

    D) \[100%\]

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  • question_answer21) A mono atomic gas \[\left( \gamma =\frac{5}{3} \right)\] is suddenly compressed to \[\frac{1}{8}th\] of its volume adiabatically. Then the pressure of the gas will change to

    A) \[\frac{47}{3}\]

    B) \[18\]

    C) \[\frac{29}{5}\]

    D) 32 times its initial pressure

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  • question_answer22) One mole of an ideal mono atomic gas is heated at a constant pressure of one atmosphere from \[{{0}^{o}}C\] to\[{{100}^{o}}C\]. Then the change in the internal energy is

    A) \[3\times {{10}^{-4}}\,\,C\]

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

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

    D) \[3\times {{10}^{-1}}\,\,C\]

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  • question_answer23) When a mass \[m\] is attached to a spring, it normally extends by\[0.2\,\,m\]. The mass m is given a slight addition extension and released, then its time period will be

    A) \[\frac{1}{7}\]second

    B) second

    C) \[\frac{2\pi }{7}\]second

    D) \[\frac{2}{3\pi }\]second

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  • question_answer24) If the velocity of sound in air is\[350\,\,m/s\], then fundamental frequency of an open organ pipe of length \[50\,\,cm\] is

    A) \[980\,\,Hz\]

    B) \[700\,\,Hz\]

    C) \[350\,\,Hz\]

    D) \[175\,\,Hz\]

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  • question_answer25) A siren emitting sound of frequency \[800\,\,Hz\] is going away from a stationary listener with the speed of\[30\,\,m/s\]. The frequency of sound to be heard directly from the siren is

    A) \[733.3\,\,Hz\]

    B) \[782.3\,\,Hz\]

    C) \[833.3\,\,Hz\]

    D) none of these

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  • question_answer26) A particle executing SHM has amplitude \[0.01\] and frequency\[60\,\,Hz\] . The maximum acceleration of the particle is

    A) \[60\,\,{{\pi }^{2}}\,\,m/{{s}^{2}}\]

    B) \[80\,\,{{\pi }^{2}}\,\,m/{{s}^{2}}\]

    C) \[120\,\,{{\pi }^{2}}\,\,m/{{s}^{2}}\]

    D) \[144\,\,{{\pi }^{2}}\,\,m/{{s}^{2}}\]

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  • question_answer27) If the equation of motion of a standing wave is \[y=0.3\sin (314t-1.57x)\]. Then the velocity of standing wave is

    A) \[400\,\,m/s\]

    B) \[250\,\,m/s\]

    C) \[100\,\,m/s\]

    D) \[200\,\,m/s\]

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  • question_answer28) The dielectric strength of air at \[NTP\] is \[3\times {{10}^{6}}\,\,V/m\] then the maximum charge that can be given to a spherical conductor of radius \[3\,\,m\] is

    A) \[3\times {{10}^{-4}}\,\,C\]

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

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

    D) \[3\times {{10}^{-1}}\,\,C\]

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  • question_answer29) In an hydrogen atom, the electron revolves around the nucleus in an orbit of radius\[0.53\times {{10}^{-10}}\,\,m\]. Then the electrical potential produced by nucleus at the position of the elect is

    A) \[-13.6\,\,V\]

    B) \[-27.2\,\,V\]

    C) \[27.2\,\,V\]

    D) \[13.6\,\,V\]

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  • question_answer30) Two spherical conductor of capacitances \[3\mu F\] and \[5\mu F\] are charged to potent of \[300\,\,volt\] and\[500\,\,volt\]. The two connected resulting in redistribution charges. The decrease in electrical energy will be

    A) zero

    B) \[37.3\times {{10}^{-3}}\,\,\text{J}\]

    C) \[722.5\times {{10}^{-3}}\]

    D) \[760\times {{10}^{-3}}\,\,\text{J}\]

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  • question_answer31) Three capacitors of \[2.0,\,\,3.0,\,\,6.0\,\,\mu F\] are connected in series to a \[10\,\,volt\] source. The charge on \[3.0\,\,\mu F\] capacitor is

    A) \[15\,\,\mu C\]

    B) \[12\,\,\mu C\]

    C) \[5\,\,\mu C\]

    D) \[10\,\,\mu C\]

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  • question_answer32) Four capacitors are connected in circuit as shown in the given figure. The effective capacitance between points \[A\] and \[B\] will be

    A) \[4\,\,\mu F\]

    B) \[18\,\,\mu F\]

    C) \[\frac{28}{9}\,\,\mu F\]

    D) \[5\,\,\mu F\]

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  • question_answer33) From a point charge, there is a fix point\[A\]. At\[A\], there is an electric fit of \[500\,\,V/m\] and potential difference\[3000\,\,V\]. Distance between point char and point \[A\] is

    A) \[24\,\,m\]

    B) \[16\,\,m\]

    C) \[12\,\,m\]

    D) \[6\,\,m\]

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  • question_answer34) There is a current of \[40\] ampere in a wire of \[{{10}^{-6}}{{m}^{2}}\] area of cross-section. If the number of free electron per \[{{m}^{3}}\] is\[{{10}^{29}}\], then the drift velocity will be

    A) \[1.25\times {{10}^{3}}\,\,m/s\]

    B) \[2.50\times {{10}^{-3}}\,\,m/s\]

    C) \[25.0\times {{10}^{-3}}\,\,m/s\]

    D) \[250\times {{10}^{-3}}\,\,m/s\]

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  • question_answer35) A \[50\,\,volt\] battery is connected across a 10 ohm resistor. The current is 4.5 amp. The internal resistance of battery will be

    A) \[5.0\,\,\Omega \]

    B) \[1.1\,\,\Omega \]

    C) \[0.5\,\,\Omega \]

    D) \[zero\].

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  • question_answer36) The current i in the circuit of the adjoining fig is

    A) \[\frac{1}{5}\,\,amp\]

    B) \[\frac{1}{10}\,\,amp\]

    C) \[\frac{1}{45}\,\,amp\]

    D) \[\frac{1}{15}\,\,amp\]

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  • question_answer37) A battery of \[12\,\,V\] and an internal resistance of \[0.80\] is connected to 3 resistors as shown in the fig. The current ( in the circuit is

    A) \[2.3\,\,A\]

    B) \[4.0\,\,A\]

    C) \[2.0\,\,A\]

    D) \[1.33\,\,A\]

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  • question_answer38) A prism of refracting angle \[{{60}^{o}}\] has minimum angle of deviation of\[{{30}^{o}}\]. What must be the angle of incidence for this case?

    A) \[{{30}^{o}}\]

    B) \[{{45}^{o}}\]

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

    D) \[{{0}^{o}}C\]

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  • question_answer39) Time taken by light to cross a glass slab of thickness 4 mm and refractive index 3, is

    A) \[4\times {{10}^{-11}}s\]

    B) \[2\times {{10}^{-11}}s\]

    C) \[16\times {{10}^{-11}}s\]

    D) \[8\times {{10}^{-11}}s\]

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  • question_answer40) Youngs double slit experiment is performed with light of wavelength\[550\,\,nm\]. The separation between the slits is \[1.10\,\,mm\] and screen is placed at distance of\[1\,\,m\]. What is the distance between the consecutive bright and dark fringes?

    A) \[1.5\,\,mm\]

    B) \[1.0\,\,mm\]

    C) \[0.5\,\,mm\]

    D) none of these

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  • question_answer41) What will be the angle of diffracting for the first minimum due to Fraun hoffer diffraction with sources of light of wave length \[550\,\,nm\] and slit of width\[0.55\,\,mm\]

    A) \[0.001\,\,rad\]

    B) \[0.01\,\,rad\]

    C) \[1\,\,rad\]

    D) \[0.1\,\,rad\]

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  • question_answer42) Magnifying power of an astronomical telescope is \[8\] and the distance between the two lenses is\[54\,\,cm\]. The focal length of eye lens and objective lens will be respectively.

    A) \[64cm\And 8cm\]

    B) \[8cm\And 64cm\]

    C) \[48cm\And 6cm\]

    D) \[6cm\And 48cm\]

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  • question_answer43) An electron jumps from 5th orbit to 4th orbit of hydrogen atom. Taking the Rydberg constant as \[{{10}^{7}}\] per minute. What will be the frequency of radiation emitted?

    A) \[6.75\times {{10}^{12}}Hz\]

    B) \[6.75\times {{10}^{14}}Hz\]

    C) \[6.75\times {{10}^{13}}Hz\]

    D) None of these

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  • question_answer44) Ultraviolet radiation of \[6.2\,\,eV\] falls on an aluminium surface (work function\[4.2\,\,eV\]). The kinetic energy in joule of the fastest electron emitted is approximately

    A) \[3\times {{10}^{-15}}\,\,J\]

    B) \[4\times {{10}^{-17}}\,\,J\]

    C) \[3\times {{10}^{-19}}\,\,J\]

    D) \[3\times {{10}^{-21}}\,\,J\]

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  • question_answer45) The binding energy of deuterium and helium atom is \[1.1\,\,MeV\] and\[7.0\,\,MeV\]. If two deuterium nuclei fuse to form helium atom, the energy released is

    A) \[19.2\,\,MeV\]

    B) \[23.6\,\,MeV\]

    C) \[26.9\,\,MeV\]

    D) \[13.9\,\,MeV\]

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  • question_answer46) \[Bi\] has a half-life of 5 days. What time is taken by \[(7/8)th\] part of the sample to decay?

    A) 20 day

    B) 15 day

    C) 10 day

    D) 3-4 day

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  • question_answer47) The impurity atoms with which a pure silicon should be doped to make a\[p-\]type semiconductor is

    A) phosphorous

    B) aluminium

    C) antimony

    D) arsenic

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  • question_answer48) A transistor has an \[\alpha =0.95\] it has charge in emitter current of \[100\,\,milli\] ampere, then the charge in collector current is

    A) \[95\,\,mA\]

    B) \[99.05\,\,mA\]

    C) \[00.95\,\,mA\]

    D) \[100\,\,mA\]

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  • question_answer49) A coil of resistance \[10\Omega \] and an inductance \[5\,\,H\] is connected to a \[100\,\,volt\] battery. Then energy stored in the coil is

    A) \[125\,\,erg\]

    B) \[125\,\,J\]

    C) \[250\,\,erg\]

    D) \[250\,\,J\]

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  • question_answer50) The velocity of electromagnetic waves in a good conductor is

    A) \[3\times {{10}^{8}}\,\,m/s\]

    B) zero

    C) infinite

    D) none of these

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  • question_answer51) Ethylene is obtained from ethyl bromide by treating it with

    A) hydrogen

    B) aqueous caustic soda

    C) aqueous caustic potash

    D) alcoholic caustic potash

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  • question_answer52) Which substance when boiled with \[NaOH\] will evolve\[N{{H}_{3}}\]?

    A) Aniline

    B) Acetamide

    C) Ethylamine

    D) Acetoxime

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  • question_answer53) Optical isomerism shown by

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

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

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

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

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  • question_answer54) Length of carbon-carbon bond is least in

    A) ethanol

    B) ethanol

    C) ethane

    D) ethyne

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  • question_answer55) Raffinose is

    A) trisaccharide

    B) monosaccharide

    C) disaccharide

    D) none

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  • question_answer56) Formaldehyde on condensation in presence of \[Ca{{(OH)}_{2}}\] gives

    A) formose

    B) fructose

    C) maltose

    D) xylose

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  • question_answer57) The reaction between chlorobenzene and chloral in the presence of concentrated sulphuric acid produces

    A) gammexane

    B) \[p.p-\]dichloro diphenyl trichloro ethane

    C) chloropicrin

    D) benzene hexachloride

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  • question_answer58) Which does not react with Fehlings solution?

    A) Acetaldehyde

    B) Formic acid

    C) Glucose

    D) Benzaldehyde

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  • question_answer59) Primary alcohols can be obtained from the reaction of the \[RMgX\] with

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

    B) \[HCHO\]

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

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

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  • question_answer60) \[PC{{l}_{5}}\] reacts with propanone, to give

    A) vic-dichloride

    B) propanal

    C) propane-chloride

    D) gem-dichloride

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  • question_answer61) Which is a suitable reagent to confirm the presence of iodine?

    A) Fehlings solution

    B) Starch solution

    C) Silver nitrate solution

    D) Miltons reagent

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  • question_answer62) Concentrated \[NaOH\] and benzaldehyde react to produce

    A) cinnamic acid

    B) hydrogen benzamide

    C) benzophenone

    D) benzyl alcohol

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  • question_answer63) When wine is put in air, it becomes sour due to

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

    B) dissolution of\[C{{O}_{2}}\]

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

    D) formation of\[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\]

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  • question_answer64) Which radicals are precipitated in \[{{(N{{H}_{4}})}_{2}}C{{O}_{3}}\] in presence of alkali?

    A) \[C{{a}^{+2}},\,\,B{{a}^{+2}},\,\,S{{r}^{+2}}\]

    B) \[Mg\]

    C) Both

    D) None

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  • question_answer65) At what temperature will be rate of effusion of \[{{N}_{2}}\] be \[1.625\] time to rate of effusion of \[S{{O}_{2}}\] at\[{{500}^{o}}C\]?

    A) \[1730\,\,K\]

    B) \[110\,\,K\]

    C) \[273\,\,K\]

    D) \[893\,\,K\]

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  • question_answer66) Oxygen contains \[90%\,\,{{O}^{16}}\] and\[10%\]\[{{O}^{18}}\]. Its atomic mass is

    A) \[16.2\]

    B) \[17.4\]

    C) \[17\]

    D) \[16.5\]

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  • question_answer67) White smoke is formed when ammonia gas meets with

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

    B) \[HCl\]

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

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

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  • question_answer68) According to Bronsted-Lowry concept, the correct order of relative strength of bases follows the order

    A) \[C{{H}_{3}}CO{{O}^{-}}>C{{l}^{-}}>O{{H}^{-}}\]

    B) \[C{{H}_{3}}CO{{O}^{-}}>O{{H}^{-}}>C{{l}^{-}}\]

    C) \[O{{H}^{-}}>C{{H}_{3}}CO{{O}^{-}}>C{{l}^{-}}\]

    D) \[O{{H}^{-}}>C{{l}^{-}}>C{{H}_{3}}CO{{O}^{-}}\]

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  • question_answer69) The common ion effect is shown by which of the following set of solutions?

    A) \[BaC{{l}_{2}}+BaN{{O}_{3}}\]

    B) \[NaCl+HCl\]

    C) \[N{{H}_{4}}OH+N{{H}_{4}}Cl\]

    D) None

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  • question_answer70) The number of incomplete orbitals in inner transition elements are

    A) 2

    B) 3

    C) 4

    D) 1

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  • question_answer71) What is \[\Delta n\] for combustion of 1 mole of benzene, when both the reactants and the products are gas at\[298\,\,K\]

    A) \[0\]

    B) \[3/2\]

    C) \[-3/2\]

    D) \[1/2\]

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  • question_answer72) Tincal is

    A) \[N{{a}_{2}}C{{O}_{3}}.10{{H}_{2}}O\]

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

    C) \[NaCl\]

    D) \[N{{a}_{2}}{{B}_{4}}{{O}_{7}}.10{{H}_{2}}O\]

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  • question_answer73) lonisation potential values of \[d\] block elements as compared to ionization potential value of \[f\] block elements are

    A) higher

    B) equal

    C) lower

    D) all of these

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  • question_answer74) The distribution law is applied for the distribution of basic acid between

    A) water and ethyl alcohol

    B) water and amyl alcohol

    C) water and sulphuric acid

    D) water and liquor ammonia

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  • question_answer75) The maximum sum of the number of neutrons and protons in an isotope of hydrogen is

    A) 4

    B) 5

    C) 6

    D) 3

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  • question_answer76) The amount of \[{{H}_{2}}S{{O}_{4}}\] present in \[400\,\,ml\] of \[0.1\,\,M\]solution is

    A) \[4.9\,\,g\]

    B) \[9.80\,\,g\]

    C) \[3.92\,\,g\]

    D) \[12.45\,\,g\]

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  • question_answer77) The compound which ionizes almost completely in water is

    A) alcohol

    B) acetic acid

    C) hydrogen peroxide

    D) potassium chloride

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  • question_answer78) On addition of an inert gas at constant volume to the reaction\[{{N}_{2}}+3{{H}_{2}}2N{{H}_{3}}\]at equilibrium

    A) the reaction remains unaffected

    B) forward reaction is favoured

    C) the reaction halts

    D) backward reaction is favoured

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  • question_answer79) Which shows highest coagulating power for negatively charged \[A{{g}_{2}}{{S}_{3}}\] colloid solution?

    A) \[SO_{2}^{4-}\]

    B) \[PO_{4}^{3-}\]

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

    D) \[N{{a}^{+}}\]

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  • question_answer80) Temporary hardness of water can be removed by

    A) addition of potassium permagenate

    B) boiling

    C) filtration

    D) addition of chlorine

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  • question_answer81) Heat or formation of \[{{H}_{2}}O(g)\] at \[1\,\,atm\] and \[{{25}^{o}}C\] is\[-243\,\,kJ\]. \[\Delta E\] for the reaction \[{{H}_{2}}(g)+\frac{1}{2}{{O}_{2}}(g)\to {{H}_{2}}O(g)\]at \[{{25}^{o}}C\] is

    A) \[-243\,\,kJ\]

    B) \[-241.8\,\,kJ\]

    C) \[241.8\,\,kJ\]

    D) \[243\,\,kJ\]

    View Answer play_arrow
  • question_answer82) In the reduction of dichromate by \[Fe(II)\] , the number of electrons involved per chromium atom is

    A) 2

    B) 3

    C) 4

    D) 1

    View Answer play_arrow
  • question_answer83) \[0.71\,\,g\]of chlorine combines with certain weight of a metal giving \[1.11\,\,g\] of its chloride. The equivalent weight of the metal is

    A) \[40\]

    B) \[20\]

    C) \[80\]

    D) none

    View Answer play_arrow
  • question_answer84) In the following reaction,\[2S{{O}_{2}}(g)+{{O}_{2}}(g)\to 2S{{O}_{3}}(g)\]:\[\Delta H=-\]heat, the formation of \[S{{O}_{3}}\] is favoured by

    A) decreasing the pressure and increasing the temperature

    B) increasing the pressure and decreasing the temperature

    C) increasing the pressure and the temperature

    D) decreasing the pressure and the temperature

    View Answer play_arrow
  • question_answer85) A metal oxide is reduced by heating it in a stream of hydrogen. It is found that after complete reduction, \[3.15\,\,g\] of the oxide have yielded \[1.05\] of the metal. We may deduce that

    A) the eq. weight of the metal is 8

    B) the atomic weight of the metal is 8

    C) the atomic weight of the metal is 4

    D) the eq. weight of the metal is 4.

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  • question_answer86) An electron is in one of the 3 \[d-\]orbitals, which of the quantum number is not possible?

    A) \[n=1\]

    B) \[n=3\]

    C) \[l=1\]

    D) \[m=2\]

    View Answer play_arrow
  • question_answer87) The \[pH\] of \[1%\] ionised \[0.1\,\,M\] solution of a weak monoprotic acid is

    A) \[3\]

    B) \[1\]

    C) \[2\]

    D) \[11\]

    View Answer play_arrow
  • question_answer88) A system is changed from state \[A\] to state \[B\] by one path and from \[B\] to \[A\] another path. If\[{{E}_{1}}\] and \[{{E}_{2}}\] are the corresponding changes in internal energy, then

    A) \[{{E}_{1}}+{{E}_{2}}=-ve\]

    B) \[{{E}_{1}}+{{E}_{2}}=+ve\]

    C) \[{{E}_{1}}+{{E}_{2}}=0\]

    D) none

    View Answer play_arrow
  • question_answer89) Suppose you have to determine the percentage of carbon dioxide in a sample of a gas available in a container. Which is the best absorbing material for the carbon dioxide is

    A) Heated copper oxide

    B) Cold, solid calcium chloride

    C) Cold, solid calcium hydroxide

    D) Heated charcoal

    View Answer play_arrow
  • question_answer90) Which compound has bond angle nearly to 90?

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

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

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

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

    View Answer play_arrow
  • question_answer91) The bond angle is minimum in

    A) \[{{H}_{2}}Te\]

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

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

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

    View Answer play_arrow
  • question_answer92) If two light nuclei are fused together in nuclear reaction the average energy per nucleon

    A) increases

    B) cannot be determined

    C) remains same

    D) decreases

    View Answer play_arrow
  • question_answer93) Which metal does not give the following reaction? \[M+water\,\,or\,\,stream\xrightarrow{{}}oxide\,\,+{{H}_{2}}\uparrow \]

    A) Mercury

    B) Iron

    C) Sodium

    D) Magnesium

    View Answer play_arrow
  • question_answer94) What bond order does\[O_{2}^{2-}\]have

    A) 3

    B) 2

    C) 1

    D) 1/2

    View Answer play_arrow
  • question_answer95) Which noble gas is the least polarizable?

    A) \[Kr\]

    B) \[Ne\]

    C) \[He\]

    D) \[Rn\]

    View Answer play_arrow
  • question_answer96) Which one is the strongest bond?

    A) \[Br-F\]

    B) \[F-F\]

    C) \[Cl-F\]

    D) \[Br-Cl\]

    View Answer play_arrow
  • question_answer97) The oxidation number of \[N\] in \[{{N}_{2}}H_{5}^{+}\] is

    A) \[-3\]

    B) \[(-2)\]

    C) \[-1\]

    D) \[+2\]

    View Answer play_arrow
  • question_answer98) Aquaregia is a mixture of

    A) \[{{H}_{3}}P{{O}_{4}}+{{H}_{2}}S{{O}_{4}}\]

    B) \[3HN{{O}_{3}}+HCl\]

    C) \[3HCl+HN{{O}_{3}}\]

    D) \[HCl+C{{H}_{3}}COOH\]

    View Answer play_arrow
  • question_answer99) The electronic configuration of halogen is

    A) \[n{{s}^{2}}n{{p}^{6}}\]

    B) \[n{{s}^{2}}n{{p}^{3}}\]

    C) \[n{{s}^{2}}n{{p}^{5}}\]

    D) \[n{{s}^{2}}\]

    View Answer play_arrow
  • question_answer100) On warming formic acid with ammonical silver nitrate, the product formed is

    A) silver formate

    B) metallic silver

    C) silver oxide

    D) formaldehyde

    View Answer play_arrow
  • question_answer101) Which of the following structure is present in mitochondria?

    A) Polysomes

    B) Dilysomes

    C) Quantasomes

    D) Oxysomes

    View Answer play_arrow
  • question_answer102) Cell theory was propounded by

    A) Schleiden and Schwann

    B) Robert Hooke

    C) Robert Koch

    D) Darwin

    View Answer play_arrow
  • question_answer103) Which process is completed in mitochondria?

    A) Oxidative phosphorylation

    B) Photophosphorylation

    C) Photolysis

    D) Matrix formation

    View Answer play_arrow
  • question_answer104) Grana are present inside the

    A) mitochondria

    B) chloroplast

    C) endoplasmic reticulum

    D) ribosome

    View Answer play_arrow
  • question_answer105) Which event involves in crossing over?

    A) Chromosomes are short and thick

    B) Exchange of genetic material

    C) Pairing of chromosomes

    D) Addition of chromosomes

    View Answer play_arrow
  • question_answer106) Insectivorous plants grow in

    A) calcium deficient soil

    B) carbon deficient soil

    C) magnesium deficient soil

    D) nitrogen deficient soil

    View Answer play_arrow
  • question_answer107) The term water potential was given by

    A) Dixon and Jolly

    B) Prof. R.C. Sirohi

    C) J.C. Bose

    D) Slatyer and Tayler

    View Answer play_arrow
  • question_answer108) Abscisic acid plays active role in

    A) dormancy of seeds

    B) cell division

    C) enhance ,senscense

    D) shoot elongation

    View Answer play_arrow
  • question_answer109) What is R. Q. of early stages of germination of castor seed?

    A) One

    B) Two

    C) Zero

    D) Less than one

    View Answer play_arrow
  • question_answer110) The female gametophyte is made up of

    A) single celled

    B) six celled

    C) seven celled

    D) eight celled

    View Answer play_arrow
  • question_answer111) Humus is

    A) living organic and inorganic matter

    B) radioactive materials

    C) dead and decayed organic matter

    D) only living organic matter

    View Answer play_arrow
  • question_answer112) In nitrogen deficient soil, which group of plant can grow?

    A) Gymnosperms

    B) Algae

    C) Insectivorous

    D) Bryophytes

    View Answer play_arrow
  • question_answer113) Which family has actinomorphic flower?

    A) Poaceae

    B) Solanaceae

    C) Papaveraceae

    D) Papilionaceae

    View Answer play_arrow
  • question_answer114) Classification given by Hutchinson is

    A) phylogenetic

    B) artificial

    C) natural

    D) none of these

    View Answer play_arrow
  • question_answer115) The depletion of ozone layer in stratosphere would result in

    A) global warming

    B) forest fires

    C) skin cancer incidence

    D) soil erosion

    View Answer play_arrow
  • question_answer116) Crop rotation is used by farmers

    A) to increases soil fertility

    B) to increases community area

    C) to increases organic content of the soil

    D) to increases nitrogenous content in the soil

    View Answer play_arrow
  • question_answer117) Soil erosion can be prevented by

    A) afforestation

    B) deforestation

    C) over-grazing

    D) none of these

    View Answer play_arrow
  • question_answer118) Opium is obtained from which plant

    A) Tectona grandis

    B) Triticum aestivum

    C) Papaver somniferum

    D) Rosa indica

    View Answer play_arrow
  • question_answer119) Which is not a topographic factor?

    A) Altitude

    B) Steepness of slope

    C) Direction of slope

    D) Wind velocity

    View Answer play_arrow
  • question_answer120) Latex yielding plant is

    A) Simmondria chinensis

    B) Parthenium argentatum

    C) Triticum aestivum

    D) Mangifera indica

    View Answer play_arrow
  • question_answer121) Main effect of \[S{{O}_{2}}\] on plants is

    A) golgi complex distruction

    B) chlorophyll distruction

    C) deplasmolysis

    D) plamolysis

    View Answer play_arrow
  • question_answer122) In leguminous plants, which pigment is essential for \[{{N}_{3}}\] fixation?

    A) Xanthophyll

    B) Phycocyanin

    C) Leghaemoglobin

    D) Anthocyanin

    View Answer play_arrow
  • question_answer123) In phototropism, which hormone is involved

    A) \[2,\,\,4,\,\,5-T\]

    B) \[2,\,\,4-D\]

    C) cytokinin

    D) \[IAA\]

    View Answer play_arrow
  • question_answer124) Which bacteria is associated with roots of legume plants?

    A) Rhizobium

    B) Nostoc

    C) Spirogyra

    D) None of these

    View Answer play_arrow
  • question_answer125) Protoplasmic streaming theory was first proposed by

    A) J. C. Bose

    B) Dixon and Jolly

    C) de Vries

    D) Curtis

    View Answer play_arrow
  • question_answer126) Which is used in culture medium?

    A) Agar-Agar

    B) Resin

    C) Gum

    D) Paint

    View Answer play_arrow
  • question_answer127) In Ficus inflorescence is

    A) hypanthodium

    B) cymose

    C) raceme

    D) none of these

    View Answer play_arrow
  • question_answer128) Which shows heterothallism?

    A) Ephedra

    B) Pinus

    C) Rhizopus

    D) Cycas

    View Answer play_arrow
  • question_answer129) Peter Mitchell is related with

    A) Photosynthetic theory

    B) Chemiosmotic theory

    C) Virology

    D) None of these

    View Answer play_arrow
  • question_answer130) Which type of pollution is checked by green mufler?

    A) Noise

    B) Soil

    C) Water

    D) Air

    View Answer play_arrow
  • question_answer131) The disease minimata is produced by the pollution of water with

    A) calcium chloride

    B) silver nitrate

    C) mercuric chloride

    D) aluminium

    View Answer play_arrow
  • question_answer132) Major function of roots growing in air of marshy plants growing in saline soil is

    A) absorption of nutrients

    B) absorb moisture

    C) salt injury

    D) respire

    View Answer play_arrow
  • question_answer133) In plants healing of wounds takes place by the activity of

    A) intercalary meristem

    B) apical meristem

    C) lateral meristem

    D) secondary meristem

    View Answer play_arrow
  • question_answer134) Characteristic of legumes is the assimilation of \[{{N}_{2}}\] in the form of

    A) direct\[{{N}_{3}}\]

    B) chloride

    C) nitrates

    D) ammonia

    View Answer play_arrow
  • question_answer135) Dicot leaf showing parallel venation belongs to the genus

    A) Calophyllum

    B) Zea

    C) Triticum

    D) Pisum

    View Answer play_arrow
  • question_answer136) In horticulture, which chemical is used as root inducing

    A) Ethylene

    B) ATP

    C) ABA

    D) IBA

    View Answer play_arrow
  • question_answer137) Botulism is caused by Clostridium botiilinum this bacteria is

    A) facultative anaerobes

    B) obligate anaerobes

    C) facultative aerobes

    D) none of these

    View Answer play_arrow
  • question_answer138) Chloroplasts, with pyrenoid are found in the leaves of

    A) Funaria

    B) wheat

    C) rice

    D) maize

    View Answer play_arrow
  • question_answer139) Which enzyme is electron transfer enzyme?

    A) Lypases

    B) Proteases

    C) Cytochromes

    D) None of these

    View Answer play_arrow
  • question_answer140) In pyramid of fresh water pond ecosystem number of primary consumers is

    A) more than the secondary consumers

    B) equal to producers

    C) less than the secondary consumers

    D) more than the producers

    View Answer play_arrow
  • question_answer141) A- stalk-like structure which is found above the stamens and below the ovary is called

    A) Filament

    B) gynophore

    C) abdophore

    D) none of these

    View Answer play_arrow
  • question_answer142) Edaphology is a relationship between

    A) plant and ecosystem

    B) plant and biosphere

    C) soil and living organisms

    D) all of these

    View Answer play_arrow
  • question_answer143) In Cycus stem contains

    A) heart wood

    B) sapwood

    C) pycnoxylic wood

    D) manoxylic wood

    View Answer play_arrow
  • question_answer144) Which is edible in banana?

    A) Mesocarp

    B) Endocarp

    C) both \[a\] and \[b\]

    D) None of these

    View Answer play_arrow
  • question_answer145) In the same plant if pollen of a flower falls on the stigma of another flower

    A) cleistogamy

    B) geitonogamy

    C) both a and b

    D) none of these

    View Answer play_arrow
  • question_answer146) Which is closely associated with the energy conversion reactions of aerobic respiration?

    A) Mitochondria

    B) Chloroplast

    C) Golgi body

    D) Nucleus

    View Answer play_arrow
  • question_answer147) In Dionea the movement of lamina lobe is

    A) seismonastic

    B) thigmonastic

    C) photonastic

    D) none of these

    View Answer play_arrow
  • question_answer148) In plants auxin synthesis occurs in

    A) xylem cells

    B) epidermis

    C) root and shoot tips

    D) phloem cells

    View Answer play_arrow
  • question_answer149) In pond ecosystem diatoms represent

    A) producers

    B) consumers

    C) both \[a\] and \[b\]

    D) none of these

    View Answer play_arrow
  • question_answer150) More elongation of plant stem is due to

    A) cytokinin

    B) ethylene

    C) auxin

    D) gibberellin

    View Answer play_arrow
  • question_answer151) Lacteals are found in

    A) villus of intestine

    B) kidneys

    C) liver

    D) lungs

    View Answer play_arrow
  • question_answer152) Which one of the following exhibit concentric tube within tube plan?

    A) Echinodermata

    B) Mollusca

    C) Oligochaeta

    D) Arthropoda

    View Answer play_arrow
  • question_answer153) Vocal cords are situated at

    A) bronchial tube

    B) glottis

    C) larynx

    D) pharynx

    View Answer play_arrow
  • question_answer154) Karyotaxonomy is the modern branch of classification which is based on

    A) trinomial nomenclature

    B) organic evolution

    C) bands found on chromosomes

    D) number of chromosomes

    View Answer play_arrow
  • question_answer155) Under certain conditions scientist have obtained cell like structures. These are known as

    A) prebiotic soup

    B) coacervates

    C) protists

    D) microbes

    View Answer play_arrow
  • question_answer156) What is the name of the book written by Aristotle?

    A) Philosophic Zoologique

    B) Systema Naturae

    C) Histoire Naturelle

    D) Historia Animalium

    View Answer play_arrow
  • question_answer157) Which one of the following was most likely absent in free form in the primordial atmosphere at the time of origin of life?

    A) Oxygen

    B) Ammonia

    C) Hydrogen

    D) Methane

    View Answer play_arrow
  • question_answer158) In which book has Binomial Nomenclature been used for the first time?

    A) Historia Plantarum

    B) Historia Naturalis

    C) Systema Naturae

    D) Histoire Naturelle

    View Answer play_arrow
  • question_answer159) Haemoglobin is having maximum affinity with

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

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

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

    D) \[CO\]

    View Answer play_arrow
  • question_answer160) In mongolism a patient possesses

    A) 44 chromosomes

    B) 45 chromosomes

    C) 47 chromosomes

    D) 46 chromosomes

    View Answer play_arrow
  • question_answer161) Which blood group is a universal recipient?

    A) \[O\]

    B) \[AB\]

    C) \[B\]

    D) \[A\]

    View Answer play_arrow
  • question_answer162) When released from ovary, the human egg contains

    A) \[XY\] chromosomes

    B) two \[X\] chromosomes

    C) one \[Y\] chromosomes

    D) one \[X\] chromosomes

    View Answer play_arrow
  • question_answer163) In which blood group antigens are absent?

    A) \[O\]

    B) \[B\]

    C) \[AB\]

    D) \[A\]

    View Answer play_arrow
  • question_answer164) Which endocrine gland is responsible for immunity?

    A) Adrenal

    B) Pituitary

    C) Thymus

    D) Pineal

    View Answer play_arrow
  • question_answer165) Restriction endonuclease is used in

    A) regeneration of tissues

    B) cell fractionation

    C) tissue culture

    D) genetic engineering

    View Answer play_arrow
  • question_answer166) The function of amniotic cavity is

    A) protection from shocks

    B) protection from dessication

    C) protection from dessication and shocks

    D) respiration

    View Answer play_arrow
  • question_answer167) Full form of AIDS is

    A) acquired immune disease symptom

    B) acquired immune deficiency syndrome

    C) auto immune deficiency syndrome

    D) anti-immune deficiency syndrome

    View Answer play_arrow
  • question_answer168) Incomplete division of egg during cleavage is known as

    A) meroblastic

    B) holoblastic

    C) meridional

    D) spiral

    View Answer play_arrow
  • question_answer169) The process by which ova are formed is known as?

    A) Oviparity

    B) Oviposition

    C) Ovulation

    D) Oogenesis

    View Answer play_arrow
  • question_answer170) Cell division in sexual reproduction is

    A) meiotic

    B) mitotic

    C) amitotic

    D) both \[a\] and \[b\]

    View Answer play_arrow
  • question_answer171) The disease rickets of bones is due to

    A) vitamin D deficiency

    B) vitamin C deficiency

    C) vitamin B deficiency

    D) vitamin A deficiency

    View Answer play_arrow
  • question_answer172) In our body, the blood bank is

    A) heart

    B) liver

    C) spleen

    D) red bone marrow

    View Answer play_arrow
  • question_answer173) Main cause of beri-beri disease is

    A) vitamin \[{{B}_{12}}\] deficiency

    B) vitamin \[{{B}_{1}}\] deficiency

    C) vitamin \[{{B}_{2}}\] deficiency

    D) vitamin \[{{B}_{6}}\] deficiency

    View Answer play_arrow
  • question_answer174) Sperm head mainly contains the

    A) mitochondria

    B) centrosome

    C) golgi body

    D) nucleus

    View Answer play_arrow
  • question_answer175) In males, the essential hormones for secondary sexual characteristics is

    A) relaxin

    B) estrogen

    C) progesterone

    D) testosterone

    View Answer play_arrow
  • question_answer176) Graffian follicle of ovary secretes which hormone

    A) cortisone

    B) relaxin

    C) progesterone

    D) estrone

    View Answer play_arrow
  • question_answer177) Cretinism is due to less secretion of

    A) adrenal gland

    B) parathyroid gland

    C) pituitary gland

    D) thyroid gland

    View Answer play_arrow
  • question_answer178) The nerve related with diaphragm is

    A) glossopharyngeal

    B) trigeminal

    C) phrenic

    D) vagus

    View Answer play_arrow
  • question_answer179) The disease caused by deficiency of iodine is

    A) tetany

    B) goitre

    C) myxoedema

    D) cretinism

    View Answer play_arrow
  • question_answer180) Third ventricle is present in

    A) liver

    B) kidney

    C) brain

    D) heart

    View Answer play_arrow
  • question_answer181) What is the function of amnion?

    A) Protection from shocks

    B) Nutrition

    C) Excretion

    D) Respiration

    View Answer play_arrow
  • question_answer182) In nephrons there is complete absorption of

    A) water

    B) glucose

    C) salt

    D) urea

    View Answer play_arrow
  • question_answer183) Fallopian tube is the part of

    A) vas defcrens

    B) oviduct

    C) ureter

    D) uterus

    View Answer play_arrow
  • question_answer184) Lymph (nodes) glands form

    A) antibodies

    B) antigens

    C) lymphs

    D) hormones

    View Answer play_arrow
  • question_answer185) Movement in sperm is by

    A) tail

    B) middle piece

    C) acrosome

    D) head

    View Answer play_arrow
  • question_answer186) The vitamin which is essential for blood clotting is

    A) vitamin K

    B) vitamin D

    C) vitamin B

    D) vitamin A

    View Answer play_arrow
  • question_answer187) Ear drum is known as

    A) scala vcstibuli

    B) scala tympani

    C) tensor tympani

    D) tympanic membrane

    View Answer play_arrow
  • question_answer188) Universal donor is

    A) B blood group

    B) A blood group

    C) AB blood group

    D) O blood group

    View Answer play_arrow
  • question_answer189) AIDS causing factors are associated with

    A) Protozoa

    B) Bacteria

    C) DNA virus

    D) RNA virus

    View Answer play_arrow
  • question_answer190) Nails are formed by

    A) keratin

    B) cartilage

    C) chitin

    D) bones

    View Answer play_arrow
  • question_answer191) Which disease is caused by activation of oncogenes?

    A) Viral flu

    B) T.B.

    C) Cancer

    D) Cholera

    View Answer play_arrow
  • question_answer192) Striped muscles are

    A) anucleate

    B) binucleale

    C) uninucleate

    D) syncytial

    View Answer play_arrow
  • question_answer193) Haemozoin is a toxic substance formed in case of malaria. It is produced by

    A) cryptozoites

    B) dead WBC

    C) colour pigment of RBC

    D) globin protein of RBC

    View Answer play_arrow
  • question_answer194) Striped muscles are present in

    A) limb muscles

    B) blood vessels

    C) gall bladder

    D) lungs

    View Answer play_arrow
  • question_answer195) Whose secretion forms the pearl?

    A) Connective tissue of mantle

    B) Ciliated epithelial cells of mantle

    C) Columnar epithelial cell of mantle

    D) Prismatic layer

    View Answer play_arrow
  • question_answer196) Alcohol addiction is harmful because it causes

    A) cancer

    B) rise in blood sugar level

    C) deposition of extra fat in liver

    D) protein deposition in liver

    View Answer play_arrow
  • question_answer197) Which scientist gave the theory of continuity of germplasm?

    A) Darwin

    B) Lamarck

    C) Mendel

    D) Weismann

    View Answer play_arrow
  • question_answer198) Who wrote the book Genetics and the Origin of species

    A) Fischer

    B) Julian Huxley

    C) Dobzhansky

    D) Devis

    View Answer play_arrow
  • question_answer199) Proper burial of dead bodies, for the first time, started in which pre-historic mans period?

    A) Cromagnon man

    B) Neanderthal man

    C) Java man

    D) Peking man

    View Answer play_arrow
  • question_answer200) In honey bee, drones are produced by

    A) larva fed with royal jelly

    B) low fed larvae

    C) fertilized eggs

    D) unfertilized eggs

    View Answer play_arrow

   

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