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

Punjab - MET Solved Paper-2003 Total Questions - 200

1) 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)

\[2v\]

View Answer
2) 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)

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

View Answer
3) 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)

\[4.9\,\,m\]

View Answer
4) 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)

\[0.5\,\,Ns\]

View Answer
5) 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)

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

View Answer
6) 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)

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

View Answer
7) 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)

\[7.5\,\,kg\]

View Answer
8) In junction diode, the holes are because of:

A)

missing electrons

B)

extra electrons

C)

protons

D)

neutrons

View Answer
9) 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)

\[5.17\,\,kJ\]

View Answer
10) 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)

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

View Answer
11) 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)

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

View Answer
12) 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

View Answer
13) 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)

\[580\,\,Hz\]

View Answer
14) 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)

\[0.019\,\,mg\]

View Answer
15) 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

View Answer
16) 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)

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

View Answer
17) 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)

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

View Answer
18) \[20\,\,kV\] 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)

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

View Answer
19) 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)

\[2.5\,\,k\Omega \]

View Answer
20) 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)

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

View Answer
21)  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)

\[5.8\,\,V\]

View Answer
22) 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

View Answer
23) 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)

\[1.07\,\,H\]

View Answer
24) 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)

\[0.2H\]

View Answer
25) 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)

\[2:1\]

View Answer
26) 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)

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

View Answer
27) 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)

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

View Answer
28) 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)

\[0.4\Omega \]

View Answer
29) 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)

\[4\,\,\Omega \]

View Answer
30) 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)

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

View Answer
31) 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)

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

View Answer
32) 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

View Answer
33) 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)

\[511\,\,\mu F\]

View Answer
34) 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)

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

View Answer
35) 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)

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

View Answer
36) 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)

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

View Answer
37) 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

View Answer
38) 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)

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

View Answer
39) 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)

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

View Answer
40) 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)

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

View Answer
41) 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)

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

View Answer
42) Shorter wavelength is of:

A)

infrared rays

B)

\[\gamma -\]rays

C)

visible light

D)

\[X-\]rays

View Answer
43) 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)

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

View Answer
44) 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)

\[70%\]

View Answer
45) 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

View Answer
46) 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)

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

View Answer
47) 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)

\[1.6\,\,kg\]

View Answer
48) 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\[Hg\]

View Answer
49) 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)

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

View Answer
50) 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

View Answer
51) 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)

\[5,\,\,3,\,\,2\]

View Answer
52) Bauxite is an ore of:

A)

boron

B)

barium

C)

aluminium

D)

bismuth

View Answer
53)   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)

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

View Answer
54) Which of the following elements, is a component of a compound essential for photosynthesis?

A)

Iron

B)

Calcium

C)

Barium

D)

Magnesium

View Answer
55) Which of the following, is a mordant dye?

A)

Aniline black

B)

Congo-red

C)

Alizarin

D)

Indigo

View Answer
56) 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)

\[933.6nm\]

View Answer
57) 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)

\[Be<B<C<N\]

View Answer
58) Which of the following turns potassium dichromate paper green?

A)

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

B)

\[HCl\]

C)

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

D)

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

View Answer
59) 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)

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

View Answer
60) 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

View Answer
61) 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

View Answer
62) 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)

\[22.4\,\,litre\]

View Answer
63) The shape of an orbital is determined by :

A)

\[n\]

B)

\[l\]

C)

\[m\]

D)

\[s\]

View Answer
64) Oxidation number \[Fe\] in \[{{K}_{3}}[Fe{{(CN)}_{6}}]\] is:

A)

\[+1\]

B)

\[+2\]

C)

\[+3\]

D)

\[+4\]

View Answer
65) The enthalpies of all elements in their standard states are:

A)

zero

B)

\[>0\]

C)

\[<0\]

D)

unity

View Answer
66) Which of the following, is not a unit of pressure?

A)

Atmosphere

B)

Torr

C)

Pascal

D)

Newton

View Answer
67) 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)

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

View Answer
68) Which of the following ions, has smallest size?

A)

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

B)

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

C)

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

D)

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

View Answer
69) 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)

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

View Answer
70) Which of the following is paramagnetic?

A)

\[CO\]

B)

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

C)

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

D)

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

View Answer
71) Yellow phosphorus is kept in:

A)

water

B)

kerosene

C)

ether

D)

alcohol

View Answer
72) 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)

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

View Answer
73) Which of the following dissolves in hot \[conc.\,\,NaOH\] solution?

A)

\[Fe\]

B)

\[Zn\]

C)

\[Cu\]

D)

\[Ag\]

View Answer
74) \[C{{H}_{3}}CHC{{l}_{2}}\], on hydrolysis, will give:

A)

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

B)

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

C)

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

D)

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

View Answer
75) 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

View Answer
76) What is obtained, when potassium succinate solution is electrolysed?

A)

Ethane

B)

Ethene

C)

Ethyne

D)

All of these

View Answer
77) 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
78) 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
79) 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
80) 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
81) 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
82) 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
83) The \[pH\] of \[{{10}^{-8}}\,\,M\,\,NaOH\] is:

A)

\[8.0\]

B)

\[6.0\]

C)

\[6.96\]

D)

\[7.04\]

View Answer
84) 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
85) 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
86) Lunar caustic is:

A)

\[AgCl\]

B)

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

C)

\[NaOH\]

D)

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

View Answer
87) Which of the following forms molecular solid?

A)

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

B)

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

C)

\[SiC\]

D)

Diamond

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

A)

Schotton-Bauman reaction

B)

Finkelstin reaction

C)

Hell-Volhard-Zelinsky reaction

D)

none of these

View Answer
89) 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
90) Solvent loving colloids are known as:

A)

hydrophobic

B)

lyophilic

C)

hydrophillic

D)

none of these

View Answer
91) 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
92) Tin stone \[(Sn{{O}_{2}})\] is concentrated by:

A)

electromagnetic separation

B)

gravity separation

C)

roasting

D)

all of these

View Answer
93) 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
94) 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
95) 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
96) Aureomycin is an:

A)

antibiotic

B)

antiseptic

C)

analeptic

D)

carcinogenic agent

View Answer
97) DNA is a polymer of:

A)

nucleosides

B)

nucleotides

C)

purine and pyrimidine bases

D)

all of these

View Answer
98) Dacron is polymer of:

A)

glycol and formaldehyde

B)

glycol and phenol

C)

glycol and phthalic acid

D)

glycol and terephthalic acid

View Answer
99) Which cell convert electrical energy into chemical energy?

A)

Voltaic cell

B)

Electrolytic cell

C)

Galvanic cell

D)

Electrochemical cell

View Answer
100) Molarity of pure water is:

A)

\[38.6\,\,M\]

B)

\[12.4\,\,M\]

C)

\[55.5\,\,M\]

D)

cannot be determined

View Answer
101) Mannitol is reserve food in:

A)

Rhodophyceae

B)

Chlorophyceae

C)

Phaeophyceae

D)

Xanthophyceae

View Answer
102) Plants growing on sand and gravel are called:

A)

eremophytes

B)

psammophytes

C)

psilophytes

D)

oxylophytes

View Answer
103) The inflorescence in Ocimum is:

A)

cyathium

B)

verticillaster

C)

hypanthodium

D)

raceme

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

A)

porogamy

B)

chalazogamy

C)

mesogamy

D)

heterogamy

View Answer
105) The first phylogenetic system of plant classification was proposed by:

A)

Engler

B)

Engler and Pranti

C)

Eichler

D)

Wetlstein

View Answer
106) Cellulose fibre   is obtained from Gossypium:

A)

stem surface

B)

seed hair

C)

leaf surface

D)

root hair

View Answer
107) In split genes the coding sequences are called:

A)

introns

B)

exons

C)

cistrons

D)

operons

View Answer
108) 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
109) Which of the following is the most resistant material in pollen grain?

A)

sporopollenin

B)

intine

C)

exine

D)

certicle

View Answer
110) 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
111) 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
112) The point at which polytene chromosome appear, to be attached together is called

A)

centriole

B)

centromere

C)

chromomere

D)

chromo centre

View Answer
113) 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
114) 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
115) In Chlorophyceae the mode of sexual reproduction is:

A)

anisogamy

B)

oogamy

C)

isogamy

D)

all of the above

View Answer
116) 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
117) 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
118) Agricultural chemicals include:

A)

growth regulators

B)

fertilizers

C)

pesticides

D)

all of the above

View Answer
119) In-1 condition represent :

A)

tetrasomy

B)

trisomy

C)

monosomy

D)

multisomy

View Answer
120) \[CO\] 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
121) Which of the following is a day neutral plant?

A)

Helianthus annuus

B)

Euphorbia pulcherrima

C)

Avena sativa

D)

Beta vulgaris

View Answer
122) Which of the following is an ant gibberellin?

A)

Auxin

B)

ABA

C)

Ethylene

D)

Cytokinin

View Answer
123) 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
124) 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
125) 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
126) \[\underset{+}{\overset{_{\uparrow }}{\mathop{O}}}\,{{K}_{(5)}}{{C}_{(5)}}{{A}_{5}}{{G}_{(2)}}\] is die floral formula of:

A)

Solanaceae

B)

Asteraceae

C)

Malvaceae

D)

Cruciferae

View Answer
127) 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
128) 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
129) Which of the following element plays an important role in nitrogen fixation?

A)

Zinc

B)

Molybdenum

C)

Manganese

D)

Copper

View Answer
130) The terminal electron acceptor during electron transport system is:

A)

oxygen

B)

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

C)

cyto\[c\]

D)

plasto quinone

View Answer
131) The Orobanche plant is:

A)

partial stem parasite

B)

total root parasite

C)

symbiont

D)

total stem parasite

View Answer
132) Glycolysis occurs in:

A)

cytosol

B)

mitochondria

C)

golgi complex

D)

ribosomes

View Answer
133) Closure of lid of pitcher in pitcher plant is:

A)

tropic movement

B)

paratonic movement

C)

turgor movement

D)

autonomous movement

View Answer
134) Reindeer moss is common name for :

A)

Funaria hygrometrica

B)

Marchantia sp

C)

Cladonia rangifera

D)

Polytrichum sp

View Answer
135) 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
136) 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
137) 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
138) The part of earth in which life exist is known as?

A)

Lithosphere

B)

Biosphere

C)

Atmosphere

D)

Hydrosphere

View Answer
139) Contour farming is usually employed in:

A)

hilly areas

B)

sandy areas

C)

sea beaches

D)

all of these

View Answer
140) 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
141) 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
142) Which stain shows negative bacteria during bacterial staining?

A)

White

B)

Red

C)

Black

D)

Purple

View Answer
143) Yeast belongs to which class?

A)

Basidiomycetes

B)

Ascomycetes

C)

Eumycetes

D)

None of these

View Answer
144) 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
145) In Hatch and Slack type plants\[C{{O}_{2}}\]acceptor is:

A)

malate

B)

pyruvate

C)

phosphoenol pyruvate

D)

aspartate

View Answer
146) 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
147) Which type of DNA is found in bacteria?

A)

Helical DNA

B)

Membrane bound DNA

C)

Straight DNA

D)

Circular free DNA

View Answer
148) Which is social foresting species?

A)

Leucaena leucocephala

B)

Tectona grandis

C)

Mangifera indica

D)

Rosa indica

View Answer
149) 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
150) In Ficus inflorescence is:

A)

hypanthodium

B)

cymose

C)

raceme

D)

none of these

View Answer
151) ADH controls water permeability of:

A)

collecting tube

B)

proximal convoluted tubules

C)

distal convoluted tubules

D)

all of the above

View Answer
152) 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
153) 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
154) Enzymes are absent in:

A)

algae

B)

plants

C)

virus

D)

bacteria

View Answer
155) The basic unit of chitin is:

A)

N-acetyl glucosamine

B)

glucose

C)

galactose

D)

fructose

View Answer
156) Striped muscles are:

A)

anucleate

B)

binucleate

C)

uninucleate

D)

syncytial

View Answer
157) Ventricles are related to:

A)

heart only

B)

brain only

C)

both \[a\] and \[b\]

D)

none of these

View Answer
158) Incomplete division of egg during cleavage is known as:

A)

meroblastic

B)

holoblastic

C)

meridional

D)

spiral

View Answer
159) In which blood group antigens are absent?

A)

O

B)

B

C)

AB

D)

A

View Answer
160) Which one of the following exhibit concentric tube within tube plan?

A)

Cnidaria

B)

Annelida

C)

Platyhelminthes

D)

Nematoda

View Answer
161) 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

View Answer
162) WBC accumulate at site of wound by :

A)

hypertension

B)

arteriosclerosis

C)

haemopoiesis

D)

diapedesis

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

A)

Twenty

B)

Infinite

C)

Three

D)

None of these

View Answer
164) Arachidonic acid is:

A)

non-essential fatty acid

B)

essential fatty acid

C)

poly unsaturated fatty acid

D)

both \[b\] and \[c\]

View Answer
165) 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
166) Which type of enzyme is present in lysosome?

A)

ATPase

B)

Hydrolytic

C)

Lyase

D)

None of these

View Answer
167) The true stomach in ruminants where most of digestion takes place is:

A)

rumen

B)

omasum

C)

reticulum

D)

abomasum

View Answer
168) The effect of intraspecific competition on niches is to make them:

A)

smaller

B)

larger

C)

change location

D)

more triangular

View Answer
169) The larvicidial fish used in biocontrol of mosquitoes:

A)

Gambusia

B)

Hilsa

C)

Scalophagns

D)

Gold fish

View Answer
170) 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
171) 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
172) 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

View Answer
173) Third cleavage of frogs development is:

A)

equatorial

B)

vertical

C)

latitudinal

D)

none of these

View Answer
174) Which of the following is both exocrine and endocrine gland?

A)

Liver

B)

Pancreas

C)

Thyroid

D)

Adrenal

View Answer
175) Which of the following is the part of mid brain of rabbit?

A)

Diencephalon

B)

Cerebrum

C)

Corpora quadrigemina

D)

None of these

View Answer
176) Anus is absent in:

A)

Unio

B)

Pheretima

C)

Periplaneta

D)

Fasciola

View Answer
177) Spiral valve is present in:

A)

right auricle

B)

sinus venosus

C)

right ventricle

D)

truncus arteriosus

View Answer
178) Which of the following is colourless Hydra?

A)

Hydra fusca

B)

Hydra viridis

C)

Hydra oligactis

D)

Hydra vidgaris

View Answer
179) Phospholipids are:

A)

amphipathic

B)

amphibolie

C)

hydrophobic

D)

none of these

View Answer
180) 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
181) Dinosaurs become extinct in:

A)

Permian age

B)

Triassic period

C)

Jurassic period

D)

Cretaceous period

View Answer
182) Blood calcium level can be increased by the administration of:

A)

glucagon

B)

parathormone

C)

thyroxine

D)

calcitonin

View Answer
183) The wish bone or merry thought bone of bird is:

A)

sternum

B)

scapula

C)

coracoid

D)

clavicle

View Answer
184) 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
185) 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

View Answer
186) 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

View Answer
187) The infective stage of Plasmodhim is:

A)

sporozoite

B)

trophozoite

C)

merozoite

D)

schizont

View Answer
188) 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%

View Answer
189) The scientist, who described the birds as glorified reptiles, was:

A)

Romer

B)

Huxley

C)

Mendel

D)

Robert Hook

View Answer
190) Which one of the following is vestigial organ of human?

A)

Hair

B)

Intestine

C)

Wisdom teeth

D)

Muscle of glottis

View Answer
191) Organ of Corti is found in:

A)

heart

B)

kidneys

C)

inner ear

D)

nasal chamber

View Answer
192) Which of the following is a transparent tissue?

A)

Tendon

B)

Hyaline cartilage

C)

Fibrous cartilage

D)

All of these

View Answer
193) 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
194) Peyers patches produce:

A)

mucus

B)

trypsin

C)

lymphocytes

D)

enterokinase

View Answer
195) The vital capacity of lungs is equal to:

A)

\[4000\,\,ml\]

B)

\[5000\,\,ml\]

C)

\[6000\,\,ml\]

D)

\[7000\,\,ml\]

View Answer
196) What is left when bath sponges dries up?

A)

Spicules

B)

Spongin fibres

C)

Tentacles

D)

Holdfast

View Answer
197) RBCs are nucleated in:

A)

man

B)

rat

C)

frog

D)

rabbit

View Answer
198) 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

View Answer
199) A nucleoside is:

A)

base + sugar

B)

base + phosphate

C)

sugar + phosphate

D)

base + sugar + phosphate

View Answer
200) 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\[N{{H}_{3}}\]

View Answer

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