Solved papers for Punjab Medical Punjab - MET Solved Paper-2003

done Punjab - MET Solved Paper-2003

  • question_answer1) A particle of mass \[m\] moving with velocity \[v\] collides with a stationary particle of mass\[2m\]. The speed of the system, will be:

    A) \[3v\]

    B) \[\frac{v}{2}\]

    C) \[v/3\]

    D) \[2v\]

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  • question_answer2) The dimensions of gravitational constant are :

    A) \[M{{L}^{3}}{{T}^{-2}}\]

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

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

    D) \[{{M}^{-1}}{{L}^{3}}{{T}^{-2}}\]

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  • question_answer3) A stone is thrown with an initial speed of \[4.9\,\,m/s\] from a bridge in vertically upward direction. It falls down in water after\[2\sec \]. The height of bridge is:

    A) \[24.7\,\,m\]

    B) \[19.8\,\,m\]

    C) \[9.8\,\,m\]

    D) \[4.9\,\,m\]

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  • question_answer4) A ball of mass \[10\,\,g\] moving with acceleration of \[20m/{{s}^{2}}\] is hit by a force which acts on it for 0.1 sec. The impulsive force is:

    A) \[1.2\,\,Ns\]

    B) \[0.3\,\,Ns\]

    C) \[0.1\,\,Ns\]

    D) \[0.5\,\,Ns\]

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  • question_answer5) The earth of mass \[=6\times {{10}^{24}}kg\] revolves around the sun with an angular velocity of \[2\times {{10}^{-7}}\,\,rad/s\] in a circular orbit of radius\[1.5\times {{10}^{-8}}\,\,km\]. The force exerted by the sun on earth is:

    A) \[6\times {{10}^{19}}N\]

    B) \[18\times {{10}^{25}}N\]

    C) \[36\times {{10}^{21}}N\]

    D) \[27\times {{10}^{39}}N\]

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  • question_answer6) A particle moves from position\[{{\overset{\to }{\mathop{r}}\,}_{1}}=3\mathbf{\hat{i}}+2\widehat{\mathbf{j}}-6\widehat{\mathbf{k}}\]to position\[\overset{\to }{\mathop{{{r}_{2}}}}\,=14\widehat{\mathbf{i}}+13\widehat{\mathbf{j}}+9\widehat{\mathbf{k}}\]under action of force\[\overset{\to }{\mathop{\mathbf{F}}}\,=4\widehat{\mathbf{i}}+\widehat{\mathbf{j}}+3\widehat{\mathbf{k}}\,\,N\]. The work done will be:

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

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

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

    D) \[75\,\,\text{J}\]

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  • question_answer7) A cylinder contains \[10\,\,kg\] of gas at pressure of\[107N/{{m}^{2}}\]. The quantity of gas taken out of the cylinder, if final pressure is\[2.5\times {{10}^{6}}N/{{m}^{2}}\], will be (temperature of gas is constant):

    A) \[15.2\,\,kg\]

    B) \[3.7\,\,kg\]

    C) \[zero\]

    D) \[7.5\,\,kg\]

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  • question_answer8) In junction diode, the holes are because of:

    A) missing electrons

    B) extra electrons

    C) protons

    D) neutrons

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  • question_answer9) The work done in pulling up a block of wood weighing \[2\,\,kN\] for a length of \[10\,\,m\] on a smooth plane inclined at an angle of \[{{15}^{o}}\] with the horizontal is:

    A) \[9.82\,\,kJ\]

    B) \[89\,\,kJ\]

    C) \[4.35\,\,kJ\]

    D) \[5.17\,\,kJ\]

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  • question_answer10) If the heat of \[110\,\,J\] is added to a gaseous system, whose internal energy is\[40\,\,J\], then the amount of external work done is:

    A) \[180\,\,\text{J}\]

    B) \[70\,\,\text{J}\]

    C) \[110\,\,\text{J}\]

    D) \[30\,\,\text{J}\]

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  • question_answer11) A resonance air column of length \[40\,\,cm\] resonates with a tuning fork of frequency\[450\,\,Hz\]. Ignoring end correction, the velocity of sound in air will be:

    A) \[1020\,\,m/s\]

    B) \[920\,\,m/s\]

    C) \[820\,\,m/s\]

    D) \[720\,\,m/s\]

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  • question_answer12) If vibration of string are to be two triose, then tension in the string must be made:

    A) eight times

    B) four times

    C) twice

    D) half

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  • question_answer13) A siren emitting sound of frequency 500 Hz is going away from a stationary listener with a speed of\[50\,\,m/s\], the frequency of sound to be heard directly from the siren is:

    A) \[286.5\,\,Hz\]

    B) \[481\,\,Hz\]

    C) \[434.2\,\,Hz\]

    D) \[580\,\,Hz\]

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  • question_answer14) The half-life of a radioactive substance is 3.6 days. How much of \[20\,\,mg\] of this radioactive substance will remain after 36 days:

    A) \[0.0019\,\,mg\]

    B) \[1.019\,\,mg\]

    C) \[1.109\,\,mg\]

    D) \[0.019\,\,mg\]

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  • question_answer15) The kinetic energy of an electron is\[5\,\,eV\]. Calculate the de-Broglie wavelength associated with it (\[h=6.6\times {{10}^{-34}}\,\,Js\],\[{{m}_{e}}=9.1\times {{10}^{-31}}kg\]):

    A) \[5.47\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

    B) \[10.9\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

    C) \[2.7\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

    D) none of these

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  • question_answer16) A charged particle is suspended in equilibrium in a uniform vertical electric field of intensity\[20000\,\,V/m\]. If mass of the particle is \[9.6\times {{10}^{-16}}kg\], the charge on it and excess number of electrons on the particle are respectively\[(g=10m/s)\]:

    A) \[4.8\times {{10}^{-19}}C,\,\,3\]

    B) \[5.8\times {{10}^{-19}}C,\,\,4\]

    C) \[3.8\times {{10}^{-19}}C,\,\,2\]

    D) \[2.8\times {{10}^{-19}}C,\,\,1\]

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  • question_answer17) The energy in \[MeV\] is released due to transformation of \[1\,\,kg\] mass completely into energy\[(c=3\times {{10}^{8}}m/s)\]:

    A) \[7.625\times 10\,\,MeV\]

    B) \[10.5\times {{10}^{29}}\,\,MeV\]

    C) \[2.8\times {{10}^{-28}}\,\,MeV\]

    D) \[5.625\times {{10}^{29}}\,\,MeV\]

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  • question_answer18) \[20\,\,kV\] potential is applied across \[X-\]ray tube, the minimum wavelength of \[X-\]ray emitted will be:

    A) \[0.62\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

    B) \[0.37\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

    C) \[1.62\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

    D) \[1.31\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

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  • question_answer19) In the \[CB\] mode of a transistor, when the collector voltage is changed by\[0.5\,\,volt\]. The collector current changes by\[0.05\,\,mA\]. The output resistance will be:

    A) \[10\,\,k\Omega \]

    B) \[20\,\,k\Omega \]

    C) \[5\,\,k\Omega \]

    D) \[2.5\,\,k\Omega \]

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  • question_answer20) A transmitting station transmits radio waves of wavelength\[360\,\,m\]. Calculate the inductance of coil required with a condenser of capacity \[1.20\mu F\] in the resonant circuit to receive them:

    A) \[3.07\times {{10}^{-8}}H\]

    B) \[2.07\times {{10}^{-8}}H\]

    C) \[4.07\times {{10}^{-8}}H\]

    D) \[6.07\times {{10}^{-8}}H\]

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  • question_answer21) A circular coil of mean radius of\[7\,\,cm\] and having 4000 turns is rotated at the rate of 1800 revolutions per minute in the earths magnetic field (\[B=0.5\]gauss), the emf induced in coil will be:

    A) \[1.158\,\,V\]

    B) \[0.58\,\,V\]

    C) \[0.29\,\,V\]

    D) \[5.8\,\,V\]

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  • question_answer22) The peak value of alternating current is \[5\sqrt{2}\] ampere. The mean square value of current will be:

    A) \[5\,\,A\]

    B) \[2.5\,\,A\]

    C) \[5\sqrt{2}\]

    D) none of these

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  • question_answer23) A lamp in which \[10\,\,amp\] current can flow at\[15\,\,V\], is connected with an alternating source of potential\[220\,\,V\]. The frequency of source is\[50Hz\]. The impedance of choke coil required to light the bulb is:

    A) \[0.07\,\,H\]

    B) \[0.14\,\,H\]

    C) \[0.28\,\,H\]

    D) \[1.07\,\,H\]

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  • question_answer24) If the current \[30\,\,A\] flowing in the primary coil is made zero is\[0.1\,\,\sec \]. The emf induced in the secondary coil is\[1.5\,\,volt\]. The mutual inductance between the coil is:

    A) \[0.05H\]

    B) \[1.05H\]

    C) \[0.1H\]

    D) \[0.2H\]

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  • question_answer25) Two equal resistances \[R\] are joined with voltage source \[V\] in (i) series (h) parallel, the ratio of electrical power consumed in two cases will be:

    A) \[1:4\]

    B) \[4:1\]

    C) \[2:1\]

    D) \[2:1\]

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  • question_answer26) A proton enters a magnetic field of intensity \[1.5\,\,wb/{{m}^{2}}\] with a velocity \[2\times 10\,\,m/s\] in a direction at an angle \[{{30}^{o}}\] with the field. The force on the proton will be (charge on proton is\[1.6\times {{10}^{-19}}C\]):

    A) \[2.4\times {{10}^{-12}}N\]

    B) \[4.8\times {{10}^{-12}}N\]

    C) \[1.2\times {{10}^{-12}}N\]

    D) \[7.2\times {{10}^{-12}}N\]

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  • question_answer27) 20 ampere current is flowing in a long straight wire. The intensity of magnetic field at a distance \[10\,\,cm\] from the wire will be:

    A) \[2\times {{10}^{-5}}wb/{{m}^{2}}\]

    B) \[9\times {{10}^{-5}}wb/{{m}^{2}}\]

    C) \[8\times {{10}^{-5}}wb/{{m}^{2}}\]

    D) \[6\times {{10}^{-5}}wb/{{m}^{2}}\]

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  • question_answer28) The resistance of a galvanometer is\[50\Omega \]. When \[0.01\,\,A\] current flows in it, full scale deflection is obtained in galvanometer, the resistance of shunt connected to convert galvanometer into an ammeter of range\[5\,\,A\], will be:

    A) \[0.1\Omega \]

    B) \[0.2\Omega \]

    C) \[0.3\Omega \]

    D) \[0.4\Omega \]

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  • question_answer29) When a resistance of \[\text{a}\] \[\Omega \] is connected at the ends of a battery, its potential difference decreases from \[40\,\,V\] to\[30\,\,V\]. The internal resistance of the battery is:

    A) \[3\,\,\Omega \]

    B) \[6\,\,\Omega \]

    C) \[1.5\,\,\Omega \]

    D) \[4\,\,\Omega \]

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  • question_answer30) The equivalent resistance and potential difference between \[A\] and \[B\] for the circuit is respectively:

    A) \[4\,\,\Omega ,\,\,8\,\,V\]

    B) \[8\,\,\Omega ,\,\,4\,\,V\]

    C) \[2\,\,\Omega ,\,\,2\,\,V\]

    D) \[16\,\,\Omega ,\,\,8\,\,V\]

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  • question_answer31) A wire of resistance \[R\] is divided in equal parts, then these parts are joined in parallel, the equivalent resistance of the combination will be:

    A) \[nR\]

    B) \[\frac{R}{n}\]

    C) \[\frac{n}{R}\]

    D) \[\frac{R}{{{n}^{2}}}\]

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  • question_answer32) The capacity of an air condenser is\[2.0\mu F\]. If a medium is placed between its plates. The capacity becomes\[12\mu F\]. The dielectric constant of the medium will be:

    A) 5

    B) 4

    C) 3

    D) 6

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  • question_answer33) Taking the earth to be a spherical conductor of diameter\[12.8\times {{10}^{3}}km\]. Its capacity will be:

    A) \[711\,\,\mu F\]

    B) \[611\,\,\mu F\]

    C) \[811\,\,\mu F\]

    D) \[511\,\,\mu F\]

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  • question_answer34) The ratio of electrostatic and gravitational forces acting between electron and proton separated by a distance\[5\times {{10}^{-11}}m\], will be: (Charge on electron\[=1.6\times {{10}^{-19}}C\], mass of electron\[=9.1\times {{10}^{-31}}kg\], mass of proton\[=1.6\times {{10}^{-27}}\,\,kg\],\[G=6.7\times {{10}^{-11}}N{{m}^{2}}/k{{g}^{2}}\])

    A) \[2.36\times {{10}^{39}}\]

    B) \[2.36\times {{10}^{40}}\]

    C) \[2.34\times {{10}^{41}}\]

    D) \[2.34\times {{10}^{42}}\]

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  • question_answer35) A student can distinctly see the object upto a distance\[15\,\,cm\]. He wants to see the black board at a distance of\[3\,\,m\]. Focal length and power of lens used respectively will be:

    A) \[-4.8\,\,cm,\,\,-3.3\,\,D\]

    B) \[-5.8\,\,cm,\,\,-4.3\,\,D\]

    C) \[-7.5\,\,cm,\,\,-6.3\,\,D\]

    D) \[-15.8\,\,cm,\,\,-6.33\,\,D\]

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  • question_answer36) A this glass prism \[(\mu =1.5)\] in the position of minimum deviation deviates the monochromatic light ray by\[{{10}^{o}}\], the refracting angle of prism is:

    A) \[{{20}^{o}}\]

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

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

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

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  • question_answer37) Two thin lenses of powers \[12\,\,D\] and \[-2\,\,D\] respectively are placed in contact, the power, focal length and nature respectively will be:

    A) \[8\,\,D,\,\,0.8\,\,m,\]convex

    B) \[14\,\,D,\,\,0.5\,\,m,\]convex

    C) \[5\,\,D,\,\,0.2\,\,m,\]convex

    D) \[10\,\,D,\,\,0.1\,\,m,\]convex

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  • question_answer38) Amount of work which can be obtained from \[200\,\,cal\] heat, will be:

    A) \[280\,\,\text{J}\]

    B) \[800\,\,\text{J}\]

    C) \[420\,\,\text{J}\]

    D) \[840\,\,\text{J}\]

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  • question_answer39) The spring extends by \[x\] on loading, then energy stored by the spring is: (if \[T\] is the tension in spring and \[k\] is spring constant)

    A) \[\frac{{{T}^{2}}}{2k}\]

    B) \[\frac{{{T}^{2}}}{2{{k}^{2}}}\]

    C) \[\frac{2k}{{{T}^{2}}}\]

    D) \[\frac{2{{T}^{2}}}{k}\]

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  • question_answer40) The kinetic energy of one molecule of a gas at normal temperature and pressure will be \[(k=8.31\,\,\text{J}\]/mole\[k\]):

    A) \[1.7\times {{10}^{3}}\text{J}\]

    B) \[10.2\times {{10}^{3}}\text{J}\]

    C) \[3.4\times {{10}^{3}}\text{J}\]

    D) \[6.8\times {{10}^{3}}\text{J}\]

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  • question_answer41) The frequency of a light ray is\[6\times {{10}^{14}}Hz\]. Its frequency when it propagates in a medium of refractive index \[1.5\] will be:

    A) \[1.67\times {{10}^{14}}Hz\]

    B) \[9\times {{10}^{4}}Hz\]

    C) \[6\times {{10}^{14}}Hz\]

    D) \[4\times {{10}^{14}}Hz\]

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  • question_answer42) Shorter wavelength is of:

    A) infrared rays

    B) \[\gamma -\]rays

    C) visible light

    D) \[X-\]rays

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  • question_answer43) A light of wavelength \[5890\overset{\text{o}}{\mathop{\text{A}}}\,\] falls normally on a thin air film. The minimum thickness of the film such that the film appears dark in reflected light:

    A) \[2.945\times {{10}^{-7}}m\]

    B) \[3.945\times {{10}^{-7}}m\]

    C) \[4.945\times {{10}^{-7}}m\]

    D) \[1.945\times {{10}^{-7}}m\]

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  • question_answer44) A Carnots engine works between temperature \[{{72}^{o}}C\] and\[{{27}^{o}}C\], the efficiency of the engine is:

    A) \[100%\]

    B) \[90%\]

    C) \[35%\]

    D) \[70%\]

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  • question_answer45) de-Broglie wavelength of a body of mass \[1\,\,kg\] moving with velocity of \[2000\,\,m/s\] is:

    A) \[3.32\times {{10}^{-27}}\overset{\text{o}}{\mathop{\text{A}}}\,\]

    B) \[1.5\times {{10}^{-27}}\overset{\text{o}}{\mathop{\text{A}}}\,\]

    C) \[0.55\times {{10}^{-22}}\overset{\text{o}}{\mathop{\text{A}}}\,\]

    D) none of these

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  • question_answer46) A wave is represented by the equation \[y=a\sin \,\,(0.01x-2t)\] where \[a\] and \[x\] are in \[cm\], velocity of propagation is:

    A) \[200\,\,cm/s\]

    B) \[100\,\,cm/s\]

    C) \[50\,\,cm/s\]

    D) \[10\,\,cm/s\]

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  • question_answer47) A mass m attached to a spring oscillate every\[2\sec \]. If the mass increases by\[2\,\,kg\], then time period increases by\[1\sec \]. The initial mass of the body is:

    A) \[12.6\,\,kg\]

    B) \[9.6\,\,kg\]

    C) \[3.2\,\,kg\]

    D) \[1.6\,\,kg\]

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  • question_answer48) The isothermal bulk modulus of a gas at atmospheric pressure is:

    A) \[2.026\times {{10}^{5}}N/{{m}^{2}}\]

    B) \[1.013\times {{10}^{5}}N/{{m}^{2}}\]

    C) \[1mm\]of\[Hg\]

    D) \[13.6\,\,mm\]of\[Hg\]

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  • question_answer49) If a body of mass \[3\,\,kg\] is dropped from the top of a tower of height \[25\,\,m\], then kinetic energy after \[3\sec \] will be:

    A) \[557\,\,\text{J}\]

    B) \[246\,\,\text{J}\]

    C) \[1048\,\,\text{J}\]

    D) \[1297\,\,\text{J}\]

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  • question_answer50) A \[500\,\,kg\] can takes a turn of radius \[50\,\,m\] with velocity of\[36\,\,km/hr\]. The centripetal force is:

    A) 1200 N

    B) 1000 N

    C) 750 N

    D) 250 N

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  • question_answer51) The significant figures in \[1.0024,\,\,1.240\] and \[0.0020\]are respectively:

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

    B) \[3,\,\,3,\,\,1\]

    C) \[5,\,\,3,\,\,4\]

    D) \[5,\,\,3,\,\,2\]

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  • question_answer52) Bauxite is an ore of:

    A) boron

    B) barium

    C) aluminium

    D) bismuth

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  • question_answer53) golf-ball weigh\[40.0\,\,g\]. If it is moving with a velocity of \[20.0\,\,m{{s}^{-1}}\], its de-Broglie wavelength is:

    A) \[1.66\times {{10}^{-34}}\,\,nm\]

    B) \[8.28\times {{10}^{-32}}\,\,nm\]

    C) \[8.28\times {{10}^{-25}}\,\,nm\]

    D) \[1.66\times {{10}^{-24}}\,\,nm\]

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  • question_answer54) Which of the following elements, is a component of a compound essential for photosynthesis?

    A) Iron

    B) Calcium

    C) Barium

    D) Magnesium

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  • question_answer55) Which of the following, is a mordant dye?

    A) Aniline black

    B) Congo-red

    C) Alizarin

    D) Indigo

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  • question_answer56) Which is the shortest wavelength line in the Lyman series of the hydrogen spectrum? \[(R=1.097\times {{10}^{-2}}n{{m}^{-1}})\]

    A) \[94.21nm\]

    B) \[91.16nm\]

    C) \[911.6nm\]

    D) \[933.6nm\]

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  • question_answer57) Which of the following order of ionisation energy is correct?

    A) \[B<Be<N<C\]

    B) \[Be>B>C>N\]

    C) \[B<Be<C<N\]

    D) \[Be<B<C<N\]

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  • question_answer58) Which of the following turns potassium dichromate paper green?

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

    B) \[HCl\]

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

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

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  • question_answer59) The correct order of stability of carbocations, is:

    A) \[1{}^\circ <2{}^\circ <3{}^\circ <\overset{+}{\mathop{C}}\,{{H}_{3}}\]

    B) \[\overset{+}{\mathop{C}}\,{{H}_{3}}<1{}^\circ <2{}^\circ <3{}^\circ \]

    C) \[3{}^\circ <2{}^\circ <1{}^\circ <\overset{+}{\mathop{C}}\,{{H}_{3}}\]

    D) \[2{}^\circ <3{}^\circ <1{}^\circ <\overset{+}{\mathop{C}}\,{{H}_{3}}\]

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  • question_answer60) The \[IUPAC\] name of the following compound is:

    A) bicycio \[[2\,\,2.0]\] octane

    B) bicycio\[[0.2.2]\] hexane

    C) bicycio \[[2.1.1]\] hexane

    D) bicycio \[[2.2.0]\] hexane

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  • question_answer61) The following compound cannot exhibit: \[C{{H}_{3}}CH=CH-CH(OH)\cdot COOH\]

    A) geometrical isomerism

    B) optical isomerism

    C) metamerism

    D) position isomerism

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  • question_answer62) Volume of \[C{{O}_{2}}\] obtained from complete decomposition of \[20\,\,g\,\,CaC{{O}_{3}}\] at STP is:

    A) \[2.24\,\,litre\]

    B) \[4.48\,\,litre\]

    C) \[20\,\,litre\]

    D) \[22.4\,\,litre\]

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  • question_answer63) The shape of an orbital is determined by :

    A) \[n\]

    B) \[l\]

    C) \[m\]

    D) \[s\]

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  • question_answer64) Oxidation number \[Fe\] in \[{{K}_{3}}[Fe{{(CN)}_{6}}]\] is:

    A) \[+1\]

    B) \[+2\]

    C) \[+3\]

    D) \[+4\]

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  • question_answer65) The enthalpies of all elements in their standard states are:

    A) zero

    B) \[>0\]

    C) \[<0\]

    D) unity

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  • question_answer66) Which of the following, is not a unit of pressure?

    A) Atmosphere

    B) Torr

    C) Pascal

    D) Newton

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  • question_answer67) The \[Ka\] of an acid is\[3.2\times {{10}^{-5}}\]. The degree of dissociation of the acid at concentration of \[0.2\,\,M\]is:

    A) \[6.0\times {{10}^{-2}}\]

    B) \[1.26\times {{10}^{-2}}\]

    C) \[40\times {{10}^{-4}}\]

    D) \[0.04\times {{10}^{-3}}\]

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  • question_answer68) Which of the following ions, has smallest size?

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

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

    C) \[{{S}^{2-}}\]

    D) \[{{K}^{+}}\]

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  • question_answer69) Which of the following acids is monobasic?

    A) \[{{H}_{3}}P{{O}_{3}}\]

    B) \[{{H}_{3}}P{{O}_{2}}\]

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

    D) \[{{H}_{3}}P{{O}_{4}}\]

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  • question_answer70) Which of the following is paramagnetic?

    A) \[CO\]

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

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

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

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  • question_answer71) Yellow phosphorus is kept in:

    A) water

    B) kerosene

    C) ether

    D) alcohol

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  • question_answer72) The oxide that gives \[{{H}_{2}}{{O}_{2}}\] on treatment with dilute acid is:

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

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

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

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

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  • question_answer73) Which of the following dissolves in hot \[conc.\,\,NaOH\] solution?

    A) \[Fe\]

    B) \[Zn\]

    C) \[Cu\]

    D) \[Ag\]

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  • question_answer74) \[C{{H}_{3}}CHC{{l}_{2}}\], on hydrolysis, will give:

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

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

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

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

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  • question_answer75) The compound which reacts faster with Lucas reagent is:

    A) butan-1-ol

    B) butan-2-ol

    C) 2-methyl-propan-l-ol

    D) 2-methyl propan-2-ol

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  • question_answer76) What is obtained, when potassium succinate solution is electrolysed?

    A) Ethane

    B) Ethene

    C) Ethyne

    D) All of these

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  • question_answer77) Which of the following has the maximum acidic strength?

    A) \[p-\]nitrophenol

    B) \[p-\]nitrobenzoic acid

    C) \[o-\]nitrobenzoic acid

    D) \[m-\]nitrobenzoic acid

    View Answer play_arrow
  • question_answer78) Which of the following statement is not correct?

    A) Adsorption energy for chemical adsorption is generally greater than that of physical adsorption

    B) Physical adsorption is due to van der Waal forces

    C) Physical adsorption decreases at high temperature and low pressure

    D) Physical adsorption is irreversible

    View Answer play_arrow
  • question_answer79) An element \[Y\] emits one \[\alpha -\]and two \[\beta -\]particles to give \[X\].\[X\] and \[Y\] are:

    A) isotones

    B) isobars

    C) isotopes

    D) iso electronics

    View Answer play_arrow
  • question_answer80) For a reaction, the half-life is independent of initial concentration. What is the order of that reaction?

    A) Zero

    B) One

    C) Two

    D) Three

    View Answer play_arrow
  • question_answer81) Addition of a non-volatile solute causes lowering in vapour pressure of a solvent from\[0.8\,\,atm.\] to\[0.2\,\,atm\]. What is the mole fraction of solvent?

    A) \[0.25\]

    B) \[0.75\]

    C) \[0.50\]

    D) Cannot be predicted

    View Answer play_arrow
  • question_answer82) Which of the following has \[s{{p}^{3}}-\]hybridisation?

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

    B) \[PC{{l}_{3}}\]

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

    D) None of these

    View Answer play_arrow
  • question_answer83) The \[pH\] of \[{{10}^{-8}}\,\,M\,\,NaOH\] is:

    A) \[8.0\]

    B) \[6.0\]

    C) \[6.96\]

    D) \[7.04\]

    View Answer play_arrow
  • question_answer84) For the reaction,\[2N{{O}_{2}}2NO+{{O}_{2}}\], the value of\[{{K}_{p}}\]is equal to\[K\]. What will the value of \[{{K}_{p}}\] for reaction, \[NO+\frac{1}{2}{{O}_{2}}N{{O}_{2}}\]

    A) \[\sqrt{K}\]

    B) \[\frac{1}{K}\]

    C) \[\sqrt{\frac{1}{K}}\]

    D) \[\frac{1}{{{K}^{2}}}\]

    View Answer play_arrow
  • question_answer85) Two metals \[A\] and \[B\] have \[E_{red}^{\text{o}}\] value equal to \[0.36\,\,V\] and\[1.23\,\,V\]. What will be the correct cell equation?

    A) \[A+{{B}^{2}}\xrightarrow{{}}{{A}^{2}}+B\]

    B) \[{{A}^{2+}}+B\xrightarrow{{}}A+{{B}^{2+}}\]

    C) Both [a] and [b]

    D) None of these

    View Answer play_arrow
  • question_answer86) Lunar caustic is:

    A) \[AgCl\]

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

    C) \[NaOH\]

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

    View Answer play_arrow
  • question_answer87) Which of the following forms molecular solid?

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

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

    C) \[SiC\]

    D) Diamond

    View Answer play_arrow
  • question_answer88) \[C{{H}_{3}}COOH\xrightarrow{P/B{{r}_{2}}}C{{H}_{2}}BrCOOH\] This reaction is called:

    A) Schotton-Bauman reaction

    B) Finkelstin reaction

    C) Hell-Volhard-Zelinsky reaction

    D) none of these

    View Answer play_arrow
  • question_answer89) What is \[X\] in the following sequence? \[Ar{{N}_{2}}Cl\xrightarrow[KCN]{CuCN}Z\xrightarrow{H.OH}Y\]\[\xrightarrow[\Delta ]{\text{soda-lime}}X\]

    A) Benzoic acid

    B) Sodium benzoate

    C) Benzaldehyde

    D) Benzene

    View Answer play_arrow
  • question_answer90) Solvent loving colloids are known as:

    A) hydrophobic

    B) lyophilic

    C) hydrophillic

    D) none of these

    View Answer play_arrow
  • question_answer91) If \[\Delta H>0\] and\[\Delta S>0\], in which of the following cases, can a reaction be spontaneous?

    A) \[\Delta H>T.\Delta S\]

    B) \[\Delta H=T.\Delta S\]

    C) \[\Delta H<T.\Delta S\]

    D) The reaction will be non-spontaneous

    View Answer play_arrow
  • question_answer92) Tin stone \[(Sn{{O}_{2}})\] is concentrated by:

    A) electromagnetic separation

    B) gravity separation

    C) roasting

    D) all of these

    View Answer play_arrow
  • question_answer93) Which type of isomerism is shown by\[CO{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}\]?

    A) Coordination

    B) Hydration

    C) lonisation

    D) All of these

    View Answer play_arrow
  • question_answer94) When chlorobenzene is heated with chloral in presence of the little\[conc.{{H}_{2}}S{{O}_{4}}\], the product obtained is:

    A) DDT

    B) BHC

    C) lindane

    D) melathion

    View Answer play_arrow
  • question_answer95) Arrhenius equation can be represented as:

    A) \[k=A.{{e}^{-{{E}_{a}}/RT}}\]

    B) \[\log \frac{{{k}_{2}}}{{{k}_{1}}}=\frac{{{E}_{a}}}{2.303R}\left[ \frac{{{T}_{2}}-{{T}_{1}}}{{{T}_{1}}{{T}_{2}}} \right]\]

    C) \[\log k=\log A-\frac{{{E}_{a}}}{2.303RT}\]

    D) all of these

    View Answer play_arrow
  • question_answer96) Aureomycin is an:

    A) antibiotic

    B) antiseptic

    C) analeptic

    D) carcinogenic agent

    View Answer play_arrow
  • question_answer97) DNA is a polymer of:

    A) nucleosides

    B) nucleotides

    C) purine and pyrimidine bases

    D) all of these

    View Answer play_arrow
  • question_answer98) Dacron is polymer of:

    A) glycol and formaldehyde

    B) glycol and phenol

    C) glycol and phthalic acid

    D) glycol and terephthalic acid

    View Answer play_arrow
  • question_answer99) Which cell convert electrical energy into chemical energy?

    A) Voltaic cell

    B) Electrolytic cell

    C) Galvanic cell

    D) Electrochemical cell

    View Answer play_arrow
  • question_answer100) Molarity of pure water is:

    A) \[38.6\,\,M\]

    B) \[12.4\,\,M\]

    C) \[55.5\,\,M\]

    D) cannot be determined

    View Answer play_arrow
  • question_answer101) Mannitol is reserve food in:

    A) Rhodophyceae

    B) Chlorophyceae

    C) Phaeophyceae

    D) Xanthophyceae

    View Answer play_arrow
  • question_answer102) Plants growing on sand and gravel are called:

    A) eremophytes

    B) psammophytes

    C) psilophytes

    D) oxylophytes

    View Answer play_arrow
  • question_answer103) The inflorescence in Ocimum is:

    A) cyathium

    B) verticillaster

    C) hypanthodium

    D) raceme

    View Answer play_arrow
  • question_answer104) If the pollen tube enters the ovule through funiculus, the phenomenon is known as:

    A) porogamy

    B) chalazogamy

    C) mesogamy

    D) heterogamy

    View Answer play_arrow
  • question_answer105) The first phylogenetic system of plant classification was proposed by:

    A) Engler

    B) Engler and Pranti

    C) Eichler

    D) Wetlstein

    View Answer play_arrow
  • question_answer106) Cellulose fibre is obtained from Gossypium:

    A) stem surface

    B) seed hair

    C) leaf surface

    D) root hair

    View Answer play_arrow
  • question_answer107) In split genes the coding sequences are called:

    A) introns

    B) exons

    C) cistrons

    D) operons

    View Answer play_arrow
  • question_answer108) The real forces responsible for the movement of water from one cell to another cell is mainly:

    A) osmotic pressure (OP)

    B) turgor pressure (TP)

    C) diffusion pressure deficit (DPD)

    D) imbibition

    View Answer play_arrow
  • question_answer109) Which of the following is the most resistant material in pollen grain?

    A) sporopollenin

    B) intine

    C) exine

    D) certicle

    View Answer play_arrow
  • question_answer110) The amphibians of plant kingdom are:

    A) multicellular non motile algae

    B) bryophytes with simple internal organisation

    C) unicellular motile algae

    D) pteridophytes with complex internal organisation

    View Answer play_arrow
  • question_answer111) The root system growing near the base of the radicle in monocots is:

    A) haptera

    B) anchoring roots

    C) clinging roots

    D) seminal roots

    View Answer play_arrow
  • question_answer112) The point at which polytene chromosome appear, to be attached together is called

    A) centriole

    B) centromere

    C) chromomere

    D) chromo centre

    View Answer play_arrow
  • question_answer113) Black rust of wheat is a fungal disease caused by:

    A) Melampsora lini

    B) Claviceps purpurea

    C) Albugo Candida

    D) Puccinia graminis tritici

    View Answer play_arrow
  • question_answer114) Which of the following statement ii correct about DDT?

    A) It is a biomagnifying biodegradable pollutant

    B) It is non biomagnifying biodegradable pollutant

    C) It is biomanifying non-biodegradable pollutant

    D) It is not a pollutant

    View Answer play_arrow
  • question_answer115) In Chlorophyceae the mode of sexual reproduction is:

    A) anisogamy

    B) oogamy

    C) isogamy

    D) all of the above

    View Answer play_arrow
  • question_answer116) Restriction enzymes are used in genetic engineering, because they:

    A) can degrade harmful proteins

    B) can join different DNA flagments

    C) can cut DNA at specific base sequence

    D) are nucleases that cut DNA at variable sites

    View Answer play_arrow
  • question_answer117) In which genera endospores are formed for reproduction?

    A) Mono coccus and Clostridium

    B) Bacillus and Clostridium

    C) Mucor and Bacillus

    D) None of the above

    View Answer play_arrow
  • question_answer118) Agricultural chemicals include:

    A) growth regulators

    B) fertilizers

    C) pesticides

    D) all of the above

    View Answer play_arrow
  • question_answer119) In-1 condition represent :

    A) tetrasomy

    B) trisomy

    C) monosomy

    D) multisomy

    View Answer play_arrow
  • question_answer120) \[CO\] is harmful to human being because:

    A) it decreases \[C{{O}_{2}}\] concentration

    B) it competes \[{{O}_{2}}\] to combine with haemoglobin

    C) it is carcinogenic

    D) it depletes \[{{O}_{3}}\] layer

    View Answer play_arrow
  • question_answer121) Which of the following is a day neutral plant?

    A) Helianthus annuus

    B) Euphorbia pulcherrima

    C) Avena sativa

    D) Beta vulgaris

    View Answer play_arrow
  • question_answer122) Which of the following is an ant gibberellin?

    A) Auxin

    B) ABA

    C) Ethylene

    D) Cytokinin

    View Answer play_arrow
  • question_answer123) Heterospory is the production of:

    A) sexual and asexual spores

    B) large and small spores

    C) haploid and diploid spores

    D) diploid and tetraploid spores

    View Answer play_arrow
  • question_answer124) Algal zone is present in:

    A) normal root of Cycas

    B) coralloid root of Cycas

    C) normal root of Pinus

    D) stem of Cycas

    View Answer play_arrow
  • question_answer125) Double fertilization means:

    A) fusion of nucleus of male gamete with the egg nucleus

    B) fusion of two polar nuclei

    C) fusion of sperm nucleus with secondary nucleus

    D) fusion of one sperm nucleus with nucleus and fusion of other sperm nucleus with secondary nucleus

    View Answer play_arrow
  • question_answer126) \[\underset{+}{\overset{_{\uparrow }}{\mathop{O}}}\,{{K}_{(5)}}{{C}_{(5)}}{{A}_{5}}{{G}_{(2)}}\] is die floral formula of:

    A) Solanaceae

    B) Asteraceae

    C) Malvaceae

    D) Cruciferae

    View Answer play_arrow
  • question_answer127) The resolving power of a compound microscope is about:

    A) \[0.275\mu \]

    B) \[0.5\mu \]

    C) \[0.75\mu \]

    D) \[1.5\mu \]

    View Answer play_arrow
  • question_answer128) The magnitude of root pressure ranges from:

    A) \[2-5\,\,atm\]

    B) \[1-5\,\,atm\]

    C) \[0.1-0.2\,\,atm\]

    D) \[4-6\,\,atm\]

    View Answer play_arrow
  • question_answer129) Which of the following element plays an important role in nitrogen fixation?

    A) Zinc

    B) Molybdenum

    C) Manganese

    D) Copper

    View Answer play_arrow
  • question_answer130) The terminal electron acceptor during electron transport system is:

    A) oxygen

    B) cyto\[{{a}_{3}}\]

    C) cyto\[c\]

    D) plasto quinone

    View Answer play_arrow
  • question_answer131) The Orobanche plant is:

    A) partial stem parasite

    B) total root parasite

    C) symbiont

    D) total stem parasite

    View Answer play_arrow
  • question_answer132) Glycolysis occurs in:

    A) cytosol

    B) mitochondria

    C) golgi complex

    D) ribosomes

    View Answer play_arrow
  • question_answer133) Closure of lid of pitcher in pitcher plant is:

    A) tropic movement

    B) paratonic movement

    C) turgor movement

    D) autonomous movement

    View Answer play_arrow
  • question_answer134) Reindeer moss is common name for :

    A) Funaria hygrometrica

    B) Marchantia sp

    C) Cladonia rangifera

    D) Polytrichum sp

    View Answer play_arrow
  • question_answer135) Microorganism which act as a vehicle for foreign gene transfer in higher plants:

    A) Agrobacterium

    B) E. coli

    C) T.M.V.

    D) Bacillus anthracis

    View Answer play_arrow
  • question_answer136) DNA polymerase enzyme is required for synthesis of:

    A) DNA from RNA

    B) RNA from DNA

    C) DNA from DNA

    D) RNA from RNA

    View Answer play_arrow
  • question_answer137) In terrestrial ecosystem such as forest, maximum energy is found in which trophic level?

    A) \[{{T}_{1}}\]

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

    C) \[{{T}_{3}}\]

    D) \[{{T}_{4}}\]

    View Answer play_arrow
  • question_answer138) The part of earth in which life exist is known as?

    A) Lithosphere

    B) Biosphere

    C) Atmosphere

    D) Hydrosphere

    View Answer play_arrow
  • question_answer139) Contour farming is usually employed in:

    A) hilly areas

    B) sandy areas

    C) sea beaches

    D) all of these

    View Answer play_arrow
  • question_answer140) Periderm includes:

    A) cork cambium only

    B) cork cambium and cork

    C) cork and secondary cortex

    D) cork cambium, cork and secondary cortex

    View Answer play_arrow
  • question_answer141) In some plants sleep movement of leaves is due to:

    A) excess of photosynthesis

    B) osmotic changes at base of leaf

    C) excess of respiration

    D) excess of transpiration

    View Answer play_arrow
  • question_answer142) Which stain shows negative bacteria during bacterial staining?

    A) White

    B) Red

    C) Black

    D) Purple

    View Answer play_arrow
  • question_answer143) Yeast belongs to which class?

    A) Basidiomycetes

    B) Ascomycetes

    C) Eumycetes

    D) None of these

    View Answer play_arrow
  • question_answer144) In Spirogyra sometimes a ladder like structure is present due to:

    A) vegetative reproduction

    B) asexual reproduction

    C) lateral conjugation

    D) scalariform conjugation

    View Answer play_arrow
  • question_answer145) In Hatch and Slack type plants\[C{{O}_{2}}\]acceptor is:

    A) malate

    B) pyruvate

    C) phosphoenol pyruvate

    D) aspartate

    View Answer play_arrow
  • question_answer146) In CAM plants:

    A) stomata open in day and close at night

    B) stomata remain open in day and night both

    C) stomata remain closed in day and night both

    D) stomata open at night and close in day

    View Answer play_arrow
  • question_answer147) Which type of DNA is found in bacteria?

    A) Helical DNA

    B) Membrane bound DNA

    C) Straight DNA

    D) Circular free DNA

    View Answer play_arrow
  • question_answer148) Which is social foresting species?

    A) Leucaena leucocephala

    B) Tectona grandis

    C) Mangifera indica

    D) Rosa indica

    View Answer play_arrow
  • question_answer149) If there are 4 cells in a anther what will be the number of pollen grains:

    A) 4

    B) 9

    C) 12

    D) 16

    View Answer play_arrow
  • question_answer150) In Ficus inflorescence is:

    A) hypanthodium

    B) cymose

    C) raceme

    D) none of these

    View Answer play_arrow
  • question_answer151) ADH controls water permeability of:

    A) collecting tube

    B) proximal convoluted tubules

    C) distal convoluted tubules

    D) all of the above

    View Answer play_arrow
  • question_answer152) At high altitude, RBCs of human blood will:

    A) increase in number

    B) decrease in number

    C) decrease in size

    D) increase in size

    View Answer play_arrow
  • question_answer153) A person who is trisomic for twenty first pair of chromosome suffers from?

    A) Klinefelters syndrome

    B) Downs syndrome

    C) Turners syndrome

    D) None of these

    View Answer play_arrow
  • question_answer154) Enzymes are absent in:

    A) algae

    B) plants

    C) virus

    D) bacteria

    View Answer play_arrow
  • question_answer155) The basic unit of chitin is:

    A) N-acetyl glucosamine

    B) glucose

    C) galactose

    D) fructose

    View Answer play_arrow
  • question_answer156) Striped muscles are:

    A) anucleate

    B) binucleate

    C) uninucleate

    D) syncytial

    View Answer play_arrow
  • question_answer157) Ventricles are related to:

    A) heart only

    B) brain only

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

    D) none of these

    View Answer play_arrow
  • question_answer158) Incomplete division of egg during cleavage is known as:

    A) meroblastic

    B) holoblastic

    C) meridional

    D) spiral

    View Answer play_arrow
  • question_answer159) In which blood group antigens are absent?

    A) O

    B) B

    C) AB

    D) A

    View Answer play_arrow
  • question_answer160) Which one of the following exhibit concentric tube within tube plan?

    A) Cnidaria

    B) Annelida

    C) Platyhelminthes

    D) Nematoda

    View Answer play_arrow
  • question_answer161) Correct sequence of stages in the evolution of the modern man, (Homo sapiens), is:

    A) Neanderthal man, Austmlopithecus, Cro-magnon man, Homo erectus, Modern man

    B) Australopithecus, Homo erectus, Neanderthal man, Cro-magnon man, Modem man

    C) Homo erectus, Australopithecus Neanderthal man, Cro-magnon man, Modem man

    D) Australopithecus, Neanderthal man, Cro-magnon man, Homo erectus Modem man

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  • question_answer162) WBC accumulate at site of wound by :

    A) hypertension

    B) arteriosclerosis

    C) haemopoiesis

    D) diapedesis

    View Answer play_arrow
  • question_answer163) Each active sites in enzyme is bounded by how many amino acids?

    A) Twenty

    B) Infinite

    C) Three

    D) None of these

    View Answer play_arrow
  • question_answer164) Arachidonic acid is:

    A) non-essential fatty acid

    B) essential fatty acid

    C) poly unsaturated fatty acid

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

    View Answer play_arrow
  • question_answer165) The immediate cause of induction of ovulation in female is the large plasma surge of

    A) progesterone

    B) estriadiol

    C) LH

    D) FSH

    View Answer play_arrow
  • question_answer166) Which type of enzyme is present in lysosome?

    A) ATPase

    B) Hydrolytic

    C) Lyase

    D) None of these

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  • question_answer167) The true stomach in ruminants where most of digestion takes place is:

    A) rumen

    B) omasum

    C) reticulum

    D) abomasum

    View Answer play_arrow
  • question_answer168) The effect of intraspecific competition on niches is to make them:

    A) smaller

    B) larger

    C) change location

    D) more triangular

    View Answer play_arrow
  • question_answer169) The larvicidial fish used in biocontrol of mosquitoes:

    A) Gambusia

    B) Hilsa

    C) Scalophagns

    D) Gold fish

    View Answer play_arrow
  • question_answer170) The joint of radio-ulna with the upper arm is:

    A) hinge joint

    B) pivot joint

    C) socket joint

    D) none of these

    View Answer play_arrow
  • question_answer171) Which of the following amino acids is present in omithine cycle?

    A) Valine and cysteine

    B) Arginine and citrulline

    C) Glycine and methionine

    D) None of these

    View Answer play_arrow
  • question_answer172) During the process of blood coagulation vitamin K helps in:

    A) the formation of prothrombin

    B) the formation of thromboplastin

    C) the conversion of fibrinogen into fibrin

    D) the conversion of prothrombin into thrombin

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  • question_answer173) Third cleavage of frogs development is:

    A) equatorial

    B) vertical

    C) latitudinal

    D) none of these

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  • question_answer174) Which of the following is both exocrine and endocrine gland?

    A) Liver

    B) Pancreas

    C) Thyroid

    D) Adrenal

    View Answer play_arrow
  • question_answer175) Which of the following is the part of mid brain of rabbit?

    A) Diencephalon

    B) Cerebrum

    C) Corpora quadrigemina

    D) None of these

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  • question_answer176) Anus is absent in:

    A) Unio

    B) Pheretima

    C) Periplaneta

    D) Fasciola

    View Answer play_arrow
  • question_answer177) Spiral valve is present in:

    A) right auricle

    B) sinus venosus

    C) right ventricle

    D) truncus arteriosus

    View Answer play_arrow
  • question_answer178) Which of the following is colourless Hydra?

    A) Hydra fusca

    B) Hydra viridis

    C) Hydra oligactis

    D) Hydra vidgaris

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  • question_answer179) Phospholipids are:

    A) amphipathic

    B) amphibolie

    C) hydrophobic

    D) none of these

    View Answer play_arrow
  • question_answer180) Which of the following assists in the locomotion of the organism stated?

    A) Epithelium of Pheretima

    B) Trichocysts of Paramecium

    C) Pedicellaria of Star fish

    D) Posterior sucker of Hirudinaria

    View Answer play_arrow
  • question_answer181) Dinosaurs become extinct in:

    A) Permian age

    B) Triassic period

    C) Jurassic period

    D) Cretaceous period

    View Answer play_arrow
  • question_answer182) Blood calcium level can be increased by the administration of:

    A) glucagon

    B) parathormone

    C) thyroxine

    D) calcitonin

    View Answer play_arrow
  • question_answer183) The wish bone or merry thought bone of bird is:

    A) sternum

    B) scapula

    C) coracoid

    D) clavicle

    View Answer play_arrow
  • question_answer184) Regarding blood circulation, it may be said that in Pheretima the dorsal vessel is a:

    A) collecting vessel in first two segments and distributing vessel in the other

    B) distributing vessel in first five segments and collecting vessel in other

    C) collecting vessel in first thirteen segments and distributing vessel in intestinal region

    D) distributing vessel in first thirteen segments and collecting vessel in intestinal region

    View Answer play_arrow
  • question_answer185) The first heart sound is produced when:

    A) diastole begins

    B) semilunar valve close quickly

    C) inter ventricular pressure decreases

    D) bicuspid and tricuspid valve close quickly

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  • question_answer186) The epithelial lining in the alveoli of the frogs facing lung cavity is:

    A) squamous ciliated

    B) columnar ciliated

    C) columnar non ciliated

    D) squamous non ciliated

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  • question_answer187) The infective stage of Plasmodhim is:

    A) sporozoite

    B) trophozoite

    C) merozoite

    D) schizont

    View Answer play_arrow
  • question_answer188) A man of blood group A, marries a woman of blood group B, both of them are heterozygous for blood group, chances of their first child having blood group AB will be:

    A) 25%

    B) 50%

    C) 75%

    D) 100%

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  • question_answer189) The scientist, who described the birds as glorified reptiles, was:

    A) Romer

    B) Huxley

    C) Mendel

    D) Robert Hook

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  • question_answer190) Which one of the following is vestigial organ of human?

    A) Hair

    B) Intestine

    C) Wisdom teeth

    D) Muscle of glottis

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  • question_answer191) Organ of Corti is found in:

    A) heart

    B) kidneys

    C) inner ear

    D) nasal chamber

    View Answer play_arrow
  • question_answer192) Which of the following is a transparent tissue?

    A) Tendon

    B) Hyaline cartilage

    C) Fibrous cartilage

    D) All of these

    View Answer play_arrow
  • question_answer193) In frog, the vertebra with an anterior convex surface (i.e., double convexties) is:

    A) atlas

    B) urostyle

    C) 8th vertebra

    D) 9th vertebra

    View Answer play_arrow
  • question_answer194) Peyers patches produce:

    A) mucus

    B) trypsin

    C) lymphocytes

    D) enterokinase

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  • question_answer195) The vital capacity of lungs is equal to:

    A) \[4000\,\,ml\]

    B) \[5000\,\,ml\]

    C) \[6000\,\,ml\]

    D) \[7000\,\,ml\]

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  • question_answer196) What is left when bath sponges dries up?

    A) Spicules

    B) Spongin fibres

    C) Tentacles

    D) Holdfast

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  • question_answer197) RBCs are nucleated in:

    A) man

    B) rat

    C) frog

    D) rabbit

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  • question_answer198) Which of the following pairs is correctly matched?

    A) Central dogma - Codon

    B) Okazaki fragments - Splicing

    C) RNA polymerase - RNA primer

    D) Restriction enzymes - Genetic engineering

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  • question_answer199) A nucleoside is:

    A) base + sugar

    B) base + phosphate

    C) sugar + phosphate

    D) base + sugar + phosphate

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  • question_answer200) Stanley Miller performed an experiment to prove the origin of life. They took gases \[N{{H}_{3}}\] and \[{{H}_{2}}\] alongwith:

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

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

    C) \[C{{H}_{4}}\]and\[{{N}_{2}}\]

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

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