Solved papers for Punjab Medical Punjab - MET Solved Paper-2011

Punjab - MET Solved Paper-2011 Total Questions - 200

1) The electromotive force of primary cell is \[2\,\,V\]. When it is short circuited it gives a current of \[4\,\,A\]. Its internal resistance in ohm is

A)

0.5

B)

5.0

C)

2.0

D)

8.0

View Answer
2) The value of electric permittivity of free space is

A)

\[9\times {{10}^{9}}N{{c}^{2}}/{{m}^{2}}\]

B)

\[8.9\times {{10}^{-12}}N{{m}^{2}}/{{C}^{2}}s\]

C)

\[8.9\times {{10}^{-12}}{{C}^{2}}/N{{m}^{2}}\]

D)

\[9\times {{10}^{9}}{{C}^{2}}/N{{m}^{2}}\]

View Answer
3) Which of the following is not the unit of energy?

A)

Calorie

B)

Joule

C)

Electron-volt

D)

Watt

View Answer
4) A body moves with a uniform acceleration\[a\]and zero initial velocity. Another body\[B\]starts from the same point moves in the same direction with a constant velocity\[v\]. The two bodies meet after a time\[t\]. The value of\[t\]is

A)

\[\frac{2v}{a}\]

B)

\[\frac{v}{a}\]

C)

\[\frac{v}{2a}\]

D)

\[\sqrt{\frac{v}{2a}}\]

View Answer
5) A body starts to fall freely under gravity. The distances covered by it in first, second and third seconds are in ratio

A)

\[1:3:5\]

B)

\[1:2:3\]

C)

\[1:4:9\]

D)

\[1:5:6\]

View Answer
6) Galileo writes that for angles of projection of a projectile at angles\[({{45}^{o}}+\theta )\]and\[({{45}^{o}}-\theta )\], the horizontal ranges described by the projectile are in the ratio

A)

\[2:1\]

B)

\[1:2\]

C)

\[1:1\]

D)

\[2:3\]

View Answer
7) Two masses\[M\]and\[m\]are attached to a vertical axis by weightless thread of combined length\[l.\] They are set in rotational motion in a horizontal plane about this axis with constant angular velocity\[\omega \]. If the tensions in the thread are same during motion, the distance of M from the axis is,

A)

\[\frac{Ml}{M+m}\]

B)

\[\frac{ml}{M+m}\]

C)

\[\frac{M+m}{M}l\]

D)

\[\frac{M+m}{m}l\]

View Answer
8) A uniform rope of length L, resting on a frictionless horizontal surface, is pulled at one end by a force F. The tension in the rope at a distance I from this end is

A)

\[F\]

B)

\[\frac{l}{L}F\]

C)

\[\frac{L}{l}F\]

D)

\[\left( 1-\frac{l}{L} \right)F\]

View Answer
9) A body of mass \[5kg\] is moving with a momentum of\[10\,kg\,m/s\]. A force of\[0.2\,\,N\]acts on it in the direction of motion of the body for 10 s. The increase in its kinetic energy is

A)

\[2.8\,\,J\]

B)

\[3.2\,\,J\]

C)

\[3.8\,\,J\]

D)

\[4.4\,\,J\]

View Answer
10) The potential energy of a weightless spring compressed by a distance a is proportional to

A)

\[a\]

B)

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

C)

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

D)

\[{{a}^{0}}\]

View Answer
11) A thin circular ring of mass\[M\]and radius\[r\]is rotating about its axis with constant angular velocity\[\omega \]. Two objects each of mass\[m\], are placed gently at the opposite ends of diameter of the ring. The ring now rotates with an angular velocity

A)

\[\omega M/(M+m)\]

B)

\[\omega M/(M+2m)\]

C)

\[\omega (M-2m)/(m+2M)\]

D)

\[\omega (M+2m)/M\]

View Answer
12) A wheel is rotating at\[900\,\,rpm\]about its axis. When the power is cut off it comes to rest in\[1\min \]. The angular retardation in\[rad/{{s}^{2}}\]is

A)

B)

\[\pi /2\]

C)

\[\pi /6\]

D)

\[\pi /8\]

View Answer
13) In a photoelectric experiment, the. Stopping potential for incident light of wavelength \[4000\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\] is \[2\,V\] . If the wavelength is changed to\[3000\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\], the stopping potential is

A)

\[2\,\,V\]

B)

less than\[2\,\,V\]

C)

more than\[2\,\,V\]

D)

zero

View Answer
14) The wavelength of the most energetic\[X-\]ray emitted when a metal target is bombarded by \[100\text{ }keV\] electrons, is approximately

A)

\[12\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

B)

\[4\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

C)

\[0.31\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

D)

\[0.124\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

View Answer
15) The wavelength of the first line of Balmer series is\[6563\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]. The Rydberg constant for hydrogen is about

A)

\[1.09\times {{10}^{7}}\text{per}\,\,m\]

B)

\[1.09\times {{10}^{8}}\text{per}\,\,m\]

C)

\[1.09\times {{10}^{9}}\text{per}\,\,m\]

D)

\[1.09\times {{10}^{5}}\text{per}\,\,m\]

View Answer
16) \[200\,\,MeV\]of energy may be obtained per fission of\[{{U}^{235}}\]. A reactor is generating\[1000kW\]of power. The rate of nuclear fission in the reaction (in per second) is

A)

\[1000\]

B)

\[2\times {{10}^{8}}\]

C)

\[3.125\times {{10}^{16}}\]

D)

\[931\]

View Answer
17) \[N\]atoms of a radioactive element emit\[n-\]alpha particles per second. The half-life of the element is

A)

\[\frac{n}{N}\text{second}\]

B)

\[\frac{N}{n}\text{second}\]

C)

\[\frac{0.693n}{n}\text{second}\]

D)

\[\frac{0.693n}{N}\text{second}\]

View Answer
18) The depletion layer of a\[p-n\]junction

A)

is of constant width irrespective of the bias

B)

acts like an insulating zone under reverse bias

C)

has a width that increases with an increase in forward bias

D)

is depleted of ions

View Answer
19) An oscillator is basically an amplifier with gain

A)

less than unity

B)

more than unity

C)

zero

D)

0.5

View Answer
20) A charge of\[5\,\,C\] experiences a force of\[5000\,\,N\]when it is kept in a uniform electric field. What is the potential difference between two points separated by a distance of\[1\,\,cm\]?

A)

\[10\,\,V\]

B)

\[250\,\,V\]

C)

\[1000\,\,V\]

D)

\[2500\,\,V\]

View Answer
21) In the given circuit if point\[C\]is connected to the earth and a potential of\[+2000\,\,V\]is given to the point\[A\], the potential at\[B\]is

A)

\[1500\,\,V\]

B)

\[1000\,\,V\]

C)

\[500\,\,V\]

D)

\[400\,\,V\]

View Answer
22) A string vibrates according to the equation \[y=5\sin \left( \frac{2\pi x}{3} \right)\cos 20\pi t\]where\[x\]and\[y\]are in cm and t in second. The distance between two adjacent nodes is

A)

\[3cm\]

B)

\[4.5cm\]

C)

\[6cm\]

D)

\[1.5cm\]

View Answer
23) A single slit is located effectively at infinity in front of a lens of focal length\[1\,\,m\]and it is illuminated   normally   with   light   of wavelength\[600\,\,nm\]. The first minima on either side of central maximum are separated by\[4\,\,mm\]. Width of the slit is

A)

\[0.1mm\]

B)

\[0.2mm\]

C)

\[0.3mm\]

D)

\[0.4mm\]

View Answer
24) Light wave is travelling along \[y-\]direction. If the corresponding\[\mathbf{E}\]vector at any time is along the \[x-\]axis, the direction of \[\mathbf{B}\] vector at that time is along

A)

\[y-\]axis

B)

\[x-\]axis

C)

\[z-\]axis

D)

\[-z-\]axis

View Answer
25) An equiconvex lens of glass of focal length\[0.1m\]is cut along a plane perpendicular to principal axis into two equal parts. The ratio of focal lengths of new lenses formed is

A)

\[1:1\]

B)

\[1:2\]

C)

\[2:1\]

D)

\[2:\frac{1}{2}\]

View Answer
26) Time taken by light to cross a slab of thickness of\[4mm\]and refractive index 3 will be

A)

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

B)

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

C)

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

D)

\[8\times {{10}^{-30}}s\]

View Answer
27) The value of the horizontal component of the earths magnetic field and angle of dip are\[1.8\times {{10}^{-5}}Wb/{{m}^{2}}\]and\[{{30}^{o}}\], respectively at some place. The total intensity of earths magnetic field at that place will be.

A)

\[2.08\times {{10}^{-5}}Wb/{{m}^{2}}\]

B)

\[3.67\times {{10}^{-5}}Wb/{{m}^{2}}\]

C)

\[3.18\times {{10}^{-5}}Wb/{{m}^{2}}\]

D)

\[5.0\times {{10}^{-5}}Wb/{{m}^{2}}\]

View Answer
28) A generator produces a voltage that is given by\[V=240\sin 120t\]volt, where t is in seconds. The frequency and\[\text{rms}\]voltage are

A)

\[60Hz\]and\[240V\]

B)

\[19Hz\]and\[120V\]

C)

\[19Hz\]and\[170V\]

D)

\[754Hz\]and\[170V\]

View Answer
29) The pole pieces of the magnet used in a pivoted coil galvanometer are

A)

plane surfaces of a bar magnet

B)

plane surface of a horse-shoe magnet

C)

cylindrical surfaces of a bar magnet

D)

cylindrical surfaces of a horse-shoe magnet

View Answer
30) A\[50\,\,V\]potential difference is suddenly applied to a coil with\[L=5\times {{10}^{-2}}\]and\[R=180\Omega \]. The rate of increase of current after\[0.001s\]is

A)

\[27.3\,\,A/s\]

B)

\[27.8\,\,A/s\]

C)

\[2.73\,\,A/s\]

D)

\[2.78\,\,A/s\]

View Answer
31) A metal wire of specific resistance\[64\times {{10}^{-6}}\Omega cm\]and length \[198cm\] has a resistance of\[7\Omega \]. The radius of the wire will be

A)

\[2.4cm\]

B)

\[0.24cm\]

C)

\[0.024\text{ }cm\]

D)

\[24cm\]

View Answer
32) An electric heater, kept in vacuum, is heated continuously by passing electric current. Its temperature

A)

will go on rising with time

B)

will stop rising after sometime as it will loose heat to the surroundings by conduction

C)

will rise for sometime and thereafter will start falling

D)

will become constant after sometime because of loss of heat due to radiation

View Answer
33) Two straight parallel wires both carrying\[10\,\,A\]current in the same direction attracts each other with a force of\[1\times {{10}^{-3}}\,\,N\]. If both currents are doubled, the force of attraction will be

A)

\[1\times {{10}^{-3}}N\]

B)

\[2\times {{10}^{-3}}N\]

C)

\[4\times {{10}^{-3}}N\]

D)

\[0.25\times {{10}^{-3}}N\]

View Answer
34) A torch battery consisting of two cells of\[1.45\,\,V\]and an internal resistance\[0.15\Omega \], each cell sending current through the filament of the lamps having resistance\[1.5\Omega \]. The value of current will be

A)

\[16.11\,\,A\]

B)

\[1.611\,\,A\]

C)

\[0.1611\,\,A\]

D)

\[2.6\,\,A\]

View Answer
35) An external resistance\[R\]is connected with a battery of \[emf\,\,V\] and internal resistance\[r\]. Then heat produced in resistance \[R\] will be maximum, if value of \[R\] is

A)

\[r\]

B)

\[r/2\]

C)

\[2r\]

D)

infinite

View Answer
36) Two thin long parallel wires separated by a distance \[r\] carry equal currents\[i\]. The magnitude of the force per unit length exerted by one wire .on the other wire will be

A)

\[{{\mu }_{0}}i/2\pi r\]

B)

\[{{\mu }_{0}}{{i}^{2}}/{{r}^{2}}\]

C)

\[{{\mu }_{0}}{{i}^{2}}/2\pi r\]

D)

\[{{\mu }_{0}}i/{{r}^{2}}\]

View Answer
37) The expression for thermo \[emf\] in a thermocouple is given by the relation\[E=40\,\,\theta -\frac{{{\theta }^{2}}}{20}\] When \[\theta \] is the temperature difference of two junction. For this the neutral temperature will be

A)

\[{{400}^{o}}C\]

B)

\[{{300}^{o}}C\]

C)

\[{{200}^{o}}C\]

D)

\[{{100}^{o}}C\]

View Answer
38) The \[X-\]ray tube is operated at\[50\,\,kV\]. The minimum wavelength produce is

A)

\[0.5\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

B)

\[0.75\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

C)

\[0.25\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

D)

\[1.0\,\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

View Answer
39) Bulk modulus of water is\[2\times {{10}^{9}}N/{{m}^{2}}\]. The change in pressure required to increase the density of water by 0.1 % is

A)

\[2\times {{10}^{9}}N/{{m}^{2}}\]

B)

\[2\times {{10}^{8}}N/{{m}^{2}}\]

C)

\[2\times {{10}^{6}}N/{{m}^{2}}\]

D)

\[2\times {{10}^{4}}N/{{m}^{2}}\]

View Answer
40) A cyclotron can accelerate

A)

\[\beta -\]particle

B)

\[\alpha -\]particle

C)

high-velocity gamma rays

D)

high velocity X-rays

View Answer
41) The diameter of a flywheel is increased by 1%. Increase in its moment of inertia about the central axis is

A)

\[1%\]

B)

\[0.5%\]

C)

\[2%\]

D)

\[4%\]

View Answer
42) The ratio of the specific charge of an electron to that of an \[\text{ }\!\!\alpha\!\!\text{ -}\]particle is

A)

\[1:2\]

B)

\[1:\frac{1}{4}\]

C)

\[1:4\]

D)

\[1:\frac{1}{2}\]

View Answer
43) A particular star assuming it as a black body has a surface temperature of about\[5\times {{10}^{4}}K\]. The wavelength in nanometre at which its radiation becomes maximum is\[(b=0.0029\,\,m/c)\]

A)

48

B)

58

C)

60

D)

70

View Answer
44) Which of the following can cause the null point of a potentiometre to shift beyond the wire?

A)

Shorter length of wire

B)

Longer length of wire

C)

Low\[emf\]of auxiliary battery

D)

High\[emf\]of auxiliary battery

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

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 the above

View Answer
46) A ray of light is incident at polarising angle such that its deviation is \[{{24}^{o}}\], then angle of incidence is

A)

\[{{24}^{o}}\]

B)

\[{{57}^{o}}\]

C)

\[{{66}^{o}}\]

D)

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

View Answer
47) A particle of mass m is projected with velocity\[v\]making an angle of \[{{45}^{o}}\] with the horizontal. When the particle lands on the level ground the magnitude of the change in its momentum will be

A)

\[2\,\,mv\]

B)

\[\frac{mv}{\sqrt{2}}\]

C)

\[mv\sqrt{2}\]

D)

zero

View Answer
48) A Carnot engine takes heat from a reservoir at\[{{627}^{o}}C\]and rejects heat to a sink at\[{{27}^{o}}C\]. Its efficiency will be

A)

\[\frac{3}{5}\]

B)

\[\frac{1}{3}\]

C)

\[\frac{2}{3}\]

D)

\[\frac{200}{209}\]

View Answer
49) If\[{{r}_{1}}\]and\[{{r}_{2}}\]are the radii of the atomic nuclei of mass number 64 and 125 respectively, then the ratio\[\left( \frac{{{r}_{1}}}{{{r}_{2}}} \right)\]is

A)

\[\frac{64}{125}\]

B)

\[\sqrt{\frac{64}{125}}\]

C)

\[\frac{5}{4}\]

D)

\[\frac{4}{5}\]

View Answer
50) The working of which of the following is similar to that of a slide projector?

A)

Electron microscope

B)

Scanning electron microscope

C)

Transmission electron microscope

D)

Atomic force microscope

View Answer
51) Which of the following compounds are tranquilizer on the basis of their medicinal properties?

A)

Chloramphenicol

B)

Seconal

C)

Luminal

D)

Both (b) and (c)

View Answer
52) In alkaline earth metal sulphates, the value of hydration energy decreases down the group because of the

A)

decrease in size

B)

increase in size

C)

greater lattice energy

D)

None of the above

View Answer
53) Which of the following is used in the preparation of chlorine?

A)

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

B)

Only\[KMn{{O}_{4}}\]

C)

Both\[Mn{{O}_{2}}\]and\[KMn{{O}_{4}}\]

D)

Either\[Mn{{O}_{2}}\]or\[KMn{{O}_{4}}\]

View Answer
54) Which of the following configuration is associated with biggest jump between 2nd and 3rd\[IE\]?

A)

\[1{{s}^{2}},\,\,2{{s}^{2}}2{{p}^{2}}\]

B)

\[1{{s}^{2}},\,\,2{{s}^{2}}2{{p}^{6}},\,\,3{{s}^{1}}\]

C)

\[1{{s}^{2}},\,\,2{{s}^{2}}2{{p}^{6}},\,\,3{{s}^{2}}\]

D)

\[1{{s}^{2}},\,\,2{{s}^{2}}2{{p}^{1}}\]

View Answer
55) Calculate\[\Delta {{G}^{o}}\]for conversion of oxygen to ozone,\[\frac{3}{2}{{O}_{2}}(g)\xrightarrow{{}}{{O}_{3}}(g)\]at\[298\,\,K\], if\[{{K}_{p}}\]for this conversion is\[2.47\times {{10}^{-29}}\].

A)

\[163\,\,kJ\,\,mo{{l}^{-1}}\]

B)

\[2.4\times {{10}^{2}}\,\,kJ\,\,mo{{l}^{-1}}\]

C)

\[1.63\,\,kJ\,\,mo{{l}^{-1}}\]

D)

\[2.38\times {{10}^{6}}\,\,kJ\,\,mo{{l}^{-1}}\]

View Answer
56) Which gives only mono substituted product?

A)

\[o-\]dinitrobenzene

B)

\[m-\]dinitrobenzene

C)

\[p-\]dinitrobenzene

D)

Nitrobenzene

View Answer
57) The\[{{K}_{sp}}\]of\[Mg{{(OH)}_{2}}\]is\[1\times {{10}^{-12}}\]. \[0.01M\]\[Mg{{(OH)}_{2}}\]will precipitate at the limited\[pH\]of

A)

3

B)

9

C)

5

D)

8

View Answer
58) Which of the following transition have minimum wavelength?

A)

\[{{n}_{4}}\to {{n}_{1}}\]

B)

\[{{n}_{2}}\to {{n}_{1}}\]

C)

\[{{n}_{4}}\to {{n}_{2}}\]

D)

\[{{n}_{3}}\to {{n}_{1}}\]

View Answer
59) \[C{{H}_{3}}COOH\]is reacted with\[CH\equiv CH\]in presence of\[H{{g}^{2+}}\]the product is

A)

\[\underset{\begin{smallmatrix} | \\ C{{H}_{2}} \end{smallmatrix}}{\mathop{C{{H}_{2}}}}\,(OOC{{H}_{3}})\]

B)

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

C)

\[{{\underset{\begin{smallmatrix} | \\ CH-(OOC-C{{H}_{3}}) \end{smallmatrix}}{\mathop{C{{H}_{3}}}}\,}_{2}}\]

D)

None of the above

View Answer
60) Which of the following metal does not react with the solution of copper sulphate?

A)

\[Fe\]

B)

\[Zn\]

C)

\[Mg\]

D)

\[Ag\]

View Answer
61) The reaction,\[A+B+C\xrightarrow{{}}Z\]occurs by the following mechanism

(i)\[A+B\to Y\](fast)

(ii)\[X+C\to Y\](slow)

(iii) \[Y+B\to Z\](very fast)

Rate law for this reaction is

A)

\[k[C]\]

B)

\[k[A]{{[B]}^{2}}[C]\]

C)

\[k[Z]\]

D)

\[k[X][Y][Z]\]

View Answer
62) \[\underset{\begin{smallmatrix} -10.7 \\ {{S}^{o}}(298\,\,K) \\ JK\,\,mo{{l}^{-1}} \end{smallmatrix}}{\mathop{{{H}^{+}}(aq)}}\,+O{{H}^{-}}(aq)\xrightarrow{{}}\underset{+70}{\mathop{{{H}_{2}}O}}\,(l)\]Standard entropy change for the above reaction is

A)

\[60.3\,\,J{{K}^{-1}}mo{{l}^{-1}}\]

B)

\[80.7\,\,J{{K}^{-1}}mo{{l}^{-1}}\]

C)

\[-70\,\,J{{K}^{-1}}mo{{l}^{-1}}\]

D)

\[+10.7\,\,J{{K}^{-1}}mo{{l}^{-1}}\]

View Answer
63) Which of the following is an example of coordination isomerism?

A)

\[[Co{{(N{{H}_{3}})}_{3}}{{({{H}_{2}}O)}_{2}}Cl]B{{r}_{2}}\]

B)

\[[Co{{(N{{H}_{3}})}_{6}}][Cr{{({{C}_{2}}{{O}_{4}})}_{3}}]\]

C)

\[[Co{{(N{{H}_{3}})}_{5}}N{{O}_{3}}]S{{O}_{4}}\]

D)

\[[Pt{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]B{{r}_{2}}\]

View Answer
64) Which of the following is threo isomer? \[\underset{(I)}{\mathop{\underset{A}{\mathop{\underset{X-\underset{|}{\overset{|}{\mathop{C-}}}\,Z}{\overset{\begin{smallmatrix} Y \\ | \end{smallmatrix}}{\mathop{X-C-Z}}}\,}}\,}}\,\,\,\,\,\,\,\,\underset{(II)}{\mathop{\underset{A}{\mathop{\underset{Z-\underset{|}{\overset{|}{\mathop{C-}}}\,X}{\overset{\begin{smallmatrix} Y \\ | \end{smallmatrix}}{\mathop{X-C-Z}}}\,}}\,}}\,\,\,\,\,\,\,\,\underset{(III)}{\mathop{\underset{A}{\mathop{\underset{Z-\underset{|}{\overset{|}{\mathop{C-}}}\,X}{\overset{\begin{smallmatrix} Y \\ | \end{smallmatrix}}{\mathop{X-C-Y}}}\,}}\,}}\,\]

A)

Only I

B)

Only II

C)

Only III

D)

All of the above

View Answer
65) The\[IUPAC\]name of\[C{{H}_{3}}CH=CHCOO{{C}_{2}}{{H}_{5}}\]is

A)

ethyl but -1-enoate

B)

ethyl but-2-enoate

C)

ethyl prop-2-enoate

D)

None of the above

View Answer
66) 1-3-butadiene when treated with\[B{{r}_{2}}\]gives

A)

1, 4-dibromo-2-butene

B)

1, 3-dibromo-1-butene

C)

3, 4-dibropio-2-butene

D)

2, 3-dibromo-2-butene

View Answer
67) In\[NO_{3}^{-}\]ion, the number of bond pair and lone pair of electrons on nitrogen atom are

A)

2, 2

B)

3, 1

C)

1, 3

D)

3, 0

View Answer
68) Neutral refractories are

A)

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

B)

\[CaO\]

C)

graphite

D)

\[MgO\]

View Answer
69) The method usually employed for the destruction of a colloidal solution is

A)

dialysis

B)

addition of electrolytes

C)

diffusion through animal membrane

D)

condensation

View Answer
70) Which among the following conditions, increase the yield of the product in the equilibrium? \[3A+B\underset{Endothermic}{\mathop{}}\,4C\]

A)

Increase in pressure

B)

Increase in volume

C)

Increase in temperature

D)

Decrease in temperature

View Answer
71) A sugar syrup of weight \[214.2g\] contains \[34.2g\] of sugar. The molar concentration is

A)

\[0.55\]

B)

\[5.5\]

C)

\[55\]

D)

\[0.1\]

View Answer
72) The relation which describes the variation of vapour pressure with temperature is called

A)

Hess law

B)

Arrhenius equation

C)

Kirchoffs law

D)

Clausius-Clapeyron equation

View Answer
73) \[59g\]of an amide obtained from a carboxylic acid,\[RCOOH\], upon heating with alkali liberated \[17g\] of ammonia. Atomic masses of \[C,\,\,H,\,\,N\]and\[O\]are 12, 1, 14 and 16 respectively. The acid is

A)

formic acid

B)

acetic acid

C)

propionic acid

D)

benzoic acid

View Answer
74) The gas evolved in tailing of mercury is

A)

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

B)

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

C)

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

D)

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

View Answer
75) In which of the following ores calcination process is not applicable?

A)

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

B)

\[A{{l}_{2}}{{O}_{3}}\cdot 2{{H}_{2}}O\]

C)

\[CuC{{O}_{3}}\cdot Cu{{(OH)}_{2}}\]

D)

\[ZnS\]

View Answer
76) The reaction,\[{{({{C}_{6}}{{H}_{5}})}_{2}}C=O+C{{H}_{2}}=P{{({{C}_{6}}{{H}_{5}})}_{3}}\xrightarrow[ether]{Dry}\]\[{{({{C}_{6}}{{H}_{5}})}_{2}}C=C{{H}_{2}}+{{({{C}_{6}}{{H}_{5}})}_{3}}PO\], is called

A)

Wittig reaction

B)

Claisen reaction

C)

Benzoin condensation

D)

Perkins reaction

View Answer
77) Which of the following is a plasticizer?

A)

Cresyl phosphate

B)

Ethyl acetate

C)

Phthalic anhydride

D)

Phthalic acid

View Answer
78) The order of decreasing polarity in the compounds\[CaO,\,\,CsF,\,\,KCl,\,\,MgO\]is

A)

\[CaO,\,\,CsF,\,\,KCl,\,\,MgO\]

B)

\[MgO,\,\,KCl,\,\,CaO,\,\,CsF\]

C)

\[KCl,\,\,CaO,\,\,CsF,\,\,MgO\]

D)

\[CsF,\,\,KCl,\,\,CaO,\,\,MgO\]

View Answer
79) Which of the following is a solid compound?

A)

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

B)

\[{{N}_{2}}{{O}_{4}}\]

C)

\[NO\]

D)

\[{{N}_{2}}{{O}_{5}}\]

View Answer
80) Which of the following is incorrect about vulcanisation of rubber?

A)

Vulcanised rubber has excellent elasticity

B)

Vulcanised rubber increases resistance to oxidation and organic solvent

C)

Vulcanisation usually establishes cross links at allylic position type reactive sites

D)

Vulcanised rubber has high-water absorption tendency

View Answer
81) Mark out the correct set of decreasing\[p{{K}_{a}}\]for the following molecules

A)

\[IV>II>III>I\]

B)

\[I>III>II>IV\]

C)

\[IV>III>II>I\]

D)

\[IV>II>I>III\]

View Answer
82) Which one is the most stable carbocation?

A)

\[C{{H}_{2}}FCH_{2}^{+}\]

B)

\[C{{F}_{3}}CH_{2}^{+}\]

C)

\[CC{{l}_{3}}-CH_{2}^{+}\]

D)

\[^{+}C{{F}_{3}}\]

View Answer
83) The correct order of dipole mpmwt is

A)

\[C{{H}_{4}}<N{{H}_{3}}<N{{H}_{3}}<{{H}_{2}}O\]

B)

\[N{{F}_{3}}<C{{H}_{4}}<N{{H}_{3}}<{{H}_{2}}O\]

C)

\[N{{H}_{3}}<N{{F}_{3}}<C{{H}_{4}}<{{H}_{2}}O\]

D)

\[{{H}_{2}}O<N{{H}_{3}}<N{{F}_{3}}<C{{H}_{4}}\]

View Answer
84) The vapour density of a chloride of a metal is \[81.5\,\,(H=1)\] and the chloride contains \[34.46%\] metal. The specific heat of the metal is\[0.115\]. The molecular formula of chloride is

A)

\[MC{{l}_{2}}\]

B)

\[{{M}_{2}}C{{l}_{3}}\]

C)

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

D)

\[MC{{l}_{4}}\]

View Answer
85) What is the freezing point of a\[10%\](by weight) solution of\[C{{H}_{3}}OH\]in water?

A)

\[-{{6.45}^{o}}C\]

B)

\[-{{5.1}^{o}}C\]

C)

\[{{1.02}^{o}}C\]

D)

\[-{{3.5}^{o}}C\]

View Answer
86) Bohrs radius of 2nd orbit of Be34 is equal to that of

A)

4th orbit of hydrogen

B)

2nd orbit of\[H{{e}^{+}}\]

C)

3rd orbit of\[L{{i}^{2+}}\]

D)

first orbit of hydrogen

View Answer
87) Half-life period of a radioactive element is\[100yr\]. How long will it take for its \[93.75%\] decay?

A)

\[400\,\,yr\]

B)

\[300\,\,yr\]

C)

\[200\,\,yr\]

D)

\[193\,\,yr\]

View Answer
88) Two flasks containing gases\[A\]and\[B\]are interconnected as shown in the figure. The stopper is opened, the gases are allowed to mix homogeneously. The partial pressures of\[A\]and\[B\]in the mixture will be, respectively

A)

8 and 5 atm

B)

9.6 and 4 atm

C)

4.8 and 2 atm

D)

6.4 and 4 atm

View Answer
89) Aniline is not the major product in one of the following reactions. Identify that reaction

A)

\[{{C}_{6}}{{H}_{5}}OH+N{{H}_{3}}\xrightarrow[{{300}^{o}}C]{ZnC{{l}_{2}}}\]

B)

\[{{C}_{6}}{{H}_{5}}N{{O}_{2}}+Z{{n}_{powder}}\xrightarrow{Alcoholic\,\,KOH}\]

C)

\[{{C}_{6}}{{H}_{5}}Cl+N{{H}_{3}}\xrightarrow[C{{u}_{2}}O,\,high\,\,pressure]{{{200}^{o}}C}\]

D)

\[{{C}_{6}}{{H}_{5}}N{{O}_{2}}+6(H)\xrightarrow[HCl]{Fe+{{H}_{2}}O}\]

View Answer
90) Acetaldehyde forms a white crystalline precipitate on mixing with a ...... solution of

A)

acidic,\[Zn-Hg\]

B)

alcoholic,\[N{{a}_{2}}S{{O}_{3}}\]

C)

saturated aqueous,\[NaHS{{O}_{3}}\]

D)

aqueous,\[NaCl\]

View Answer
91) Which one of the following equations represents Freundlich adsorption isotherm?

A)

\[\frac{x}{m}=Kp\]

B)

\[\frac{x}{m}=K{{p}^{n}}\]

C)

\[\log \frac{x}{m}=K{{p}^{n}}\]

D)

\[\log \frac{x}{m}=Kn\log p\]

View Answer
92) The carbohydrate that will yield glucose and fructose on homogeneous catalytic hydrolysis in presence of dilute sulphuric acid is

A)

cellulose

B)

maltose

C)

starch

D)

sucrose

View Answer
93) Which pair of elements has similar properties?

A)

13, 31

B)

11, 20

C)

12, 10

D)

21, 33

View Answer
94) Ethylmine can be prepared by the action of bromine and caustic potash on

A)

acetamide

B)

propionamide

C)

form amide

D)

methylcyanide

View Answer
95) Which of the following alkyl halide will react according to\[{{S}_{N}}1\]mechanism?

A)

1-chloropentane

B)

2-methyl-2-chloropentane

C)

neo-pentyl chloride

D)

2-chloropentane

View Answer
96) In a balanced equation,\[{{H}_{2}}S{{O}_{4}}+xHI\xrightarrow{{}}{{H}_{2}}S+y{{I}_{2}}+z{{H}_{2}}O\]the value of\[x,\,\,y\]and\[z\]are respectively

A)

3, 5, 2

B)

4, 8, 5

C)

8, 4, 4

D)

5, 3, 4

View Answer
97) Which of the following statement is not correct?

A)

\[La{{(OH)}_{3}}\]is less basic than\[Lu{{(OH)}_{3}}\]

B)

In lanthanide series, ionic radius of Lu^ ion decreases

C)

\[La\]is actually an element of transition series rather lanthanide

D)

Atomic radius of\[Zr\]and\[Hf\]are same because of lanthanide contraction

View Answer
98) Diethyl ether on heating with cone. \[HI\]gives two moles of

A)

ethyl iodide

B)

ethanol

C)

iodoform

D)

methyl iodide

View Answer
99) Which of the following is reducing agent?

A)

\[LiAl{{H}_{4}}\]

B)

\[Zn+HCl\]

C)

\[Sn+HCl\]

D)

All of these

View Answer
100) The brass is an alloy of

A)

gold and copper

B)

silver and zinc

C)

copper and zinc

D)

copper and aluminium

View Answer
101) The Devonian period is considered to be as age of

A)

fishes

B)

amphibians

C)

reptiles

D)

mammals

View Answer
102) Which of the following show paleontological evidence for evolution?

A)

Darwin finches

B)

Duck-billed platypus

C)

Archaeopteryx

D)

Biston betularia

View Answer
103) Kingdom -Plantae was divided into ......... divisions by Engler and Pranti

A)

10

B)

11

C)

13

D)

14

View Answer
104) Which one of the following is a disease causing bacterium in human beings?

A)

E. coli

B)

Xanthomonas citri

C)

TMV

D)

Pilobolus

View Answer
105) Schizogony of Plasmodium is also called as

A)

sporogony

B)

gamogony

C)

agamogony

D)

binary fission

View Answer
106) Dum-dum fever is caused by

A)

Leishmania tropica

B)

Leishmania donovani

C)

Trypanosoma evansi

D)

None of the above

View Answer
107) The retort cells are found in the stem of

A)

Sphagnum

B)

Poly trichum

C)

Funaria

D)

Pogonatum

View Answer
108) Nervous system is first formed in

A)

platyhelminthes

B)

cnidarian

C)

annelids

D)

sponges

View Answer
109) The resin duct of a gymnosperm stem is an example of

A)

schizogenous cavity

B)

lysigenous cavity

C)

big vacuole

D)

intercellular space

View Answer
110) Which among dicotyledons are considered to have primitive genera?

A)

Papilionaceae

B)

Cucurbitaceae

C)

Magnoliaceae

D)

Rosaceae

View Answer
111) Enterocoelom appeared first in the course of evolution in

A)

Echinodermata

B)

Annelida

C)

Chordata

D)

Aschelminthes

View Answer
112) The generic name of brain coral is

A)

Fungia

B)

Meandrina

C)

Madrepora

D)

Astraea

View Answer
113) The secondary host in the case of blood fluke is

A)

snail

B)

pig

C)

man

D)

sand fly

View Answer
114) The secretory as well as excretory cells of plants are

A)

cells of oil glands

B)

hydathode

C)

latex cells

D)

None of these

View Answer
115) The plasma membrane of mycoplasma is rich in

A)

cellulose

B)

myosin

C)

myosin

D)

glycogen

View Answer
116) Purgative to expel Ascaris is

A)

oil of Chenopodium

B)

tetrachlorethylene

C)

hexylresorcinol

D)

All of the above

View Answer
117) The repeating unit in glycogen is

A)

glucose

B)

fructose

C)

galactose

D)

cellulose

View Answer
118) Which one is a marine leech?

A)

Spiunculus

B)

Pontobdella

C)

Hirudo

D)

Polygordius

View Answer
119) The general body plan and body symmetry are similar in

A)

frog and lofcust

B)

sea horse and star fish

C)

annelids and sponge

D)

pigeon and liver fluke

View Answer
120) Which one is not a carp?

A)

Labeo

B)

Catia catia

C)

Mystus

D)

Cyprinus

View Answer
121) Endo peptidase of plant kingdom is

A)

trysin

B)

pepsin

C)

papain

D)

urease

View Answer
122) One of the following cells can divide by meiosis

A)

sporocyte

B)

meiocyte

C)

primary spermatocyte and primary oocyte

D)

All of the above

View Answer
123) Mutations brings about......... change.

A)

small

B)

large

C)

negligible

D)

All of these

View Answer
124) Chromosome complement with\[2n-1\]is called

A)

monosomy

B)

trisomy

C)

nullisomy

D)

tetrasomy

View Answer
125) Interferon is the bodys first line of defence against......... attacks.

A)

viral

B)

bacterial

C)

protozoan

D)

All of these

View Answer
126) One of them is recently domestic carnivore

A)

cat

B)

dog

C)

polar hear

D)

camel

View Answer
127) Dolichos lablab is a

A)

Straggler

B)

climber

C)

twiner

D)

runner

View Answer
128) Sweat glands are scanty in

A)

man

B)

rabbit

C)

polar bear

D)

elephant

View Answer
129) In sugarcane, the adventitious roots are called

A)

prop roots

B)

prop and tuberous roots

C)

pneumatophores

D)

None of the above

View Answer
130) In tamarind, the pinnate leaf is

A)

bipinnate

B)

tripinnate

C)

peripinnate

D)

imperipinnate

View Answer
131) Camouflage of Chameleon is associated with

A)

chromosome

B)

chromomere

C)

chromoplast

D)

chromatophore

View Answer
132) Which of these is the place of cellulose digestion in numinants?

A)

Rumen

B)

Reticulum

C)

Omassum

D)

Abomassum

View Answer
133) Cyathjum and hypanthodium resemble each other in possessing

A)

involucre

B)

dioecious nature

C)

receptacle

D)

None of these

View Answer
134) Vital capacity of lungs is

A)

Inspiratory Reserve Volume (IRV) + Expiratory Reserve Volume (ERV) + Tidal Volume (TV) + Residual Volume (RV)

B)

IRV + ERV + TV

C)

IRV + ERV

D)

IRV + ERV + TV - RV

View Answer
135) Spiral valve is present in

A)

right auricle

B)

sinus venosus

C)

truncus arteriosus

D)

right ventricle

View Answer
136) Edible part of mango is

A)

epicarp

B)

mesocarp

C)

thalamus

D)

endocarp

View Answer
137) Smallest parasitic plant with two cotyledons in the seed is

A)

Lemna

B)

Wolffia

C)

Arceuthobium

D)

None of these

View Answer
138) Inflorescence of Liliaceae is

A)

Zygomorphic

B)

trimerous

C)

pentamerous

D)

imperfect

View Answer
139) The presence of cuticle in arthropods indicate

A)

metamorphosis

B)

moulting

C)

aquatic environment

D)

None of the above

View Answer
140) Autonomy, a phenomenon is well marked in

A)

annelids

B)

arthropods

C)

mollusc

D)

Echinodermata

View Answer
141) Cotton fibre is part of

A)

epidermal tissue system

B)

vascular tissue system

C)

meristematic tissue system

D)

ground tissue system

View Answer
142) Hyperparasite is

A)

which kills host

B)

which completes life cycle in ones host

C)

which uses body of host to reproduce

D)

None of the above

View Answer
143) Actively moving animal organisms in any aquatic systems are

A)

benthic

B)

phytoplanktons

C)

nectons

D)

zooplanktons

View Answer
144) How deep is photic or euphotic zone from the upper surface of sea?

A)

10 m

B)

100 m

C)

200 m

D)

500 m

View Answer
145) Heavy metals are detoxified in plants by

A)

ABA

B)

all elopathins

C)

phytochelatins

D)

phytoalexins

View Answer
146) If the number of a species increase in any national park it can be due to

A)

intraspecific competition

B)

interspecific competition

C)

emigration

D)

mutualism

View Answer
147) The concept of genetic drift was introduced by

A)

Hardy Weinberg

B)

Sewall Wright

C)

GG Simpson

D)

Julian Huxley

View Answer
148) Which one among the following chemicals is used for preventing defoliation of forest trees?

A)

AMO - 1618

B)

Phosphon D

C)

Malic hydrazide

D)

2, 4-D

View Answer
149) The angiosperm showing symbiotic association with blue green algae is

A)

Lens

B)

Cyamopsis

C)

Trifolium

D)

None of these

View Answer
150) Sago which we use as food comes from this plant

A)

Calamus ritung

B)

Metroxylon rumphii

C)

Areca catechu

D)

Phoenix dactylifera

View Answer
151) Which one is the hardest wood?

A)

Shorea robusta

B)

Tectona grandis

C)

Cedrus deodara

D)

Dalbergia sissoo

View Answer
152) Medium used in culturing hybridoma cells is

A)

HAT

B)

HAP

C)

TAP

D)

TAC

View Answer
153) Agar is obtained from

A)

bacteria

B)

blue-green algae

C)

red algae

D)

brown algae

View Answer
154) Against which foreign organism (antigen) antibiotic is most effective?

A)

Virus

B)

Bacteria

C)

Fungal infection

D)

Protozoan infection

View Answer
155) Toxin produced by plants are

A)

phytoalexins

B)

phytochrome

C)

phytoferritin

D)

phytotoxins

View Answer
156) Which disease is not caused by triple antigens?

A)

Tetanus

B)

Diphtheric

C)

Whooping cough

D)

Typhoid

View Answer
157) Glaucoma is caused due to

A)

opacity of lens

B)

increase in size of eye ball

C)

canal of Schlemn is blocked

D)

vitreous humour becomes dry

View Answer
158) Which cranial nerve controls the heart muscles?

A)

Facial

B)

Vagus

C)

Auditory

D)

Trochlear

View Answer
159) Corolloid roots of Cycas has

A)

Anabaena

B)

My corrhiza

C)

Rhizobium

D)

Azotobacter

View Answer
160) The sun loving plants are referred to as

A)

halophytes

B)

heliophytes

C)

heterotrophs

D)

sciophytes

View Answer
161) Die back of citrus and reclamation of legumes and cereals is due to deficiency of

A)

copper

B)

zinc

C)

sodium

D)

molybdenum

View Answer
162) Which enzyme fixes\[C{{O}_{2}}\]in Calvin cycle?

A)

RuBP carboxylase

B)

PEP carboxylase

C)

carbonic anhydrase

D)

hexokinase

View Answer
163) In which of the following are orchreate stipules found?

A)

Cruciferae

B)

Papilionaceae

C)

Compositae

D)

Polygonaceae

View Answer
164) Surfactant in alveoli is secreted by

A)

dust cells

B)

type I epithelial cells

C)

type II epithelial cells

D)

Kupffer cells

View Answer
165) Which one is not fully formed in birds?

A)

Pectoral girdle

B)

Pelvic girdle

C)

Hind limb

D)

Forelimb

View Answer
166) Cells of Deiter occur in

A)

utriculus

B)

retina of eyes

C)

organ of Corti

D)

sebaceous glands

View Answer
167) Epinephrine is

A)

clusters of glomeruli in mammalian kidney

B)

nephrostomal part of mesoderm

C)

hormone of the adrenal gland

D)

frontal lobe of nephridia

View Answer
168) Plumose stigma is adaptation for

A)

hydrophily

B)

ornithophily

C)

zoophily

D)

anemophily

View Answer
169) Embryo sac is

A)

megaspore

B)

micro gametophyte

C)

female gametophyte

D)

megasporangium

View Answer
170) Middle piece of a mammalian sperm contains

A)

nucleus

B)

centriole

C)

mitochondria

D)

vacuole

View Answer
171) The type of immunoglobulin present in the foetus are

A)

\[IgD\]

B)

\[IgE\]

C)

\[IgG\]

D)

\[IgM\]

View Answer
172) One of the following controls the population from going beyond its limits

A)

carrying capacity

B)

environmental resistance

C)

family planning programme

D)

shortage of food supply

View Answer
173) Viroids differ from viruses in being

A)

naked RNA molecules only

B)

naked DNA molecules

C)

naked DNA packaged with viral genome

D)

satellite RNA packaged with viral genome

View Answer
174) The codon for anticodon 3UUAS is

A)

5AAUS

B)

3AAU57

C)

5AAT3

D)

3AAGS

View Answer
175) Pureline breed refers to

A)

homozygosity

B)

heterozygosity

C)

homozygosity with only dominant genes

D)

heterozygosity and linkage

View Answer
176) Major function of mitochondria in a cell is

A)

secretion

B)

excretion

C)

osmoregulation

D)

fat synthesis

View Answer
177) Feet in King fisher are modified for

A)

walking

B)

perching

C)

running

D)

catching

View Answer
178) Echinoderms are exclusively

A)

marine

B)

riverine

C)

esturine

D)

fresh water

View Answer
179) Instead of seta in capsule of Sphagnum the structure present in

A)

columella

B)

pseudopodium

C)

haustoria

D)

root

View Answer
180) Kappa particles in Paramecium aurelia making killer traits were discovered by

A)

Hill

B)

Sonneborn

C)

Rosenh of

D)

Morgan

View Answer
181) Dodder can transmit

A)

mycoplasmal disease

B)

viral diseases

C)

Both (a) and (b)

D)

None of the above

View Answer
182) Acquired characters are

A)

inherited

B)

artificial

C)

superficial

D)

All of these

View Answer
183) Sexual selection in Darwins theory was the

A)

weakest part

B)

strong part

C)

strongest part

D)

None of the above

View Answer
184) The statement All biological catalysts are proteins is no more valid because of the discovery of

A)

ribonuclease

B)

ribozymes

C)

lysozymes

D)

enzymes

View Answer
185) From the given pair of proteins where both members of the pair are either structural or functional. Mark the odd pair.

A)

Haemoglobin and myoglobin

B)

Fibrinogen and trypsin

C)

Insulin and glucagon

D)

Keratin and fibrin

View Answer
186) Ethylene is involved in

A)

aerobic respiration

B)

anaerobic respiration

C)

climacteric respiration

D)

fermentation

View Answer
187) Suspensor formation in Sagittaria occurs at ......... celled stage.

A)

6-10

B)

4-5

C)

2-3

D)

single

View Answer
188) Insulin and glucagon are

A)

polypeptides

B)

polysaccharides

C)

polynucleotides

D)

None of the above

View Answer
189) Preganglionic sympathetic fibres are

A)

adrenergic

B)

cholinergic

C)

synergic

D)

hypergonic

View Answer
190) Kranz anatomy is found in

A)

most of monocots

B)

few dicots

C)

Both (a) and (b)

D)

None of the above

View Answer
191) Osphradium of Pila globosa is

A)

chemoreceptor

B)

photoreceptor

C)

thermo receptor

D)

tangoreceptor

View Answer
192) Caudal sensory organs (phasmids) are present in

A)

rotifers

B)

nematomorphs

C)

nematodes

D)

cestodes

View Answer
193) The total number of species belonging to present day gymnosperm is

A)

1000

B)

2000

C)

1500

D)

722

View Answer
194) It is a copper moss

A)

Bryum

B)

Tortella

C)

Merceya

D)

All of these

View Answer
195) A phage that invades but does not destroy the host is

A)

temperate phage

B)

sexduction

C)

phycophages

D)

virulent phage

View Answer
196) The drug calchicine has inhibitory effect on cell cycle in which stage?

A)

Prophase

B)

Anaphase

C)

Metaphase

D)

Telophase

View Answer
197) Endoparasite worms belong to class

A)

Turbellaria

B)

Trematoda

C)

Cestoda

D)

Encestoda

View Answer
198) Roots are the source of cammercial rubber in the species of

A)

Hevea

B)

Ficus

C)

Taraxacum

D)

Parthenium

View Answer
199) The inherent capacity of a cell to regenerate a new whole organism is called

A)

ontogeny

B)

totipotency

C)

phylogeny

D)

proliferation

View Answer
200) Trypanosoma brucei causes

A)

dysentery

B)

Kala-azar

C)

sleeping sickness in man

D)

a disease of animals

View Answer

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