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

Punjab - MET Solved Paper-2001 Total Questions - 200

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

A)

Youngs modulus

B)

stress

C)

pressure

D)

all of these

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

A)

\[12.5\,\,m\]

B)

\[5\,\,m\]

C)

\[7.5\,\,m\]

D)

\[10\,\,m\]

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

A)

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

B)

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

C)

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

D)

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

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

A)

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

B)

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

C)

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

D)

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

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

A)

\[198\,\,N\]

B)

\[164\,\,N\]

C)

\[140\,\,N\]

D)

\[118\,\,N\]

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

A)

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

B)

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

C)

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

D)

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

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

A)

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

B)

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

C)

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

D)

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

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

A)

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

B)

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

C)

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

D)

\[2\sqrt{3}\]

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

A)

\[10\,\,m\]

B)

\[8\,\,m\]

C)

\[6\,\,m\]

D)

\[4\,\,m\]

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

A)

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

B)

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

C)

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

D)

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

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

A)

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

B)

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

C)

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

D)

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

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

A)

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

B)

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

C)

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

D)

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

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

A)

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

B)

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

C)

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

D)

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

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

A)

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

B)

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

C)

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

D)

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

View Answer
15) Pressure inside two soap bubbles are 1.01 and 1.02 atmospheres. Ratio between their volumes is

A)

\[2:1\]

B)

\[8:1\]

C)

\[108:101\]

D)

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

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

A)

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

B)

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

C)

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

D)

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

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

A)

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

B)

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

C)

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

D)

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

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

A)

\[971\,\,K\]

B)

\[1190\,\,K\]

C)

\[2001\,\,K\]

D)

\[1458\,\,K\]

View Answer
19) Molar specific heat at constant pressure for a mono atomic gas is

A)

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

B)

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

C)

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

D)

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

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

A)

\[70%\]

B)

\[35%\]

C)

\[90%\]

D)

\[100%\]

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

A)

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

B)

\[18\]

C)

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

D)

32 times its initial pressure

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

A)

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

B)

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

C)

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

D)

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

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

A)

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

B)

second

C)

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

D)

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

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

A)

\[980\,\,Hz\]

B)

\[700\,\,Hz\]

C)

\[350\,\,Hz\]

D)

\[175\,\,Hz\]

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

A)

\[733.3\,\,Hz\]

B)

\[782.3\,\,Hz\]

C)

\[833.3\,\,Hz\]

D)

none of these

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

A)

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

B)

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

C)

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

D)

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

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

A)

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

B)

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

C)

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

D)

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

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

A)

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

B)

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

C)

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

D)

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

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

A)

\[-13.6\,\,V\]

B)

\[-27.2\,\,V\]

C)

\[27.2\,\,V\]

D)

\[13.6\,\,V\]

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

A)

zero

B)

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

C)

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

D)

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

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

A)

\[15\,\,\mu C\]

B)

\[12\,\,\mu C\]

C)

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

D)

\[10\,\,\mu C\]

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

A)

\[4\,\,\mu F\]

B)

\[18\,\,\mu F\]

C)

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

D)

\[5\,\,\mu F\]

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

A)

\[24\,\,m\]

B)

\[16\,\,m\]

C)

\[12\,\,m\]

D)

\[6\,\,m\]

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

A)

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

B)

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

C)

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

D)

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

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

A)

\[5.0\,\,\Omega \]

B)

\[1.1\,\,\Omega \]

C)

\[0.5\,\,\Omega \]

D)

\[zero\].

View Answer
36) The current i in the circuit of the adjoining fig is

A)

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

B)

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

C)

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

D)

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

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

A)

\[2.3\,\,A\]

B)

\[4.0\,\,A\]

C)

\[2.0\,\,A\]

D)

\[1.33\,\,A\]

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

A)

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

B)

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

C)

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

D)

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

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

A)

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

B)

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

C)

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

D)

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

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

A)

\[1.5\,\,mm\]

B)

\[1.0\,\,mm\]

C)

\[0.5\,\,mm\]

D)

none of these

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

A)

\[0.001\,\,rad\]

B)

\[0.01\,\,rad\]

C)

\[1\,\,rad\]

D)

\[0.1\,\,rad\]

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

A)

\[64cm\And 8cm\]

B)

\[8cm\And 64cm\]

C)

\[48cm\And 6cm\]

D)

\[6cm\And 48cm\]

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

A)

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

B)

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

C)

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

D)

None of these

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

A)

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

B)

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

C)

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

D)

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

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

A)

\[19.2\,\,MeV\]

B)

\[23.6\,\,MeV\]

C)

\[26.9\,\,MeV\]

D)

\[13.9\,\,MeV\]

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

A)

20 day

B)

15 day

C)

10 day

D)

3-4 day

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

A)

phosphorous

B)

aluminium

C)

antimony

D)

arsenic

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

A)

\[95\,\,mA\]

B)

\[99.05\,\,mA\]

C)

\[00.95\,\,mA\]

D)

\[100\,\,mA\]

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

A)

\[125\,\,erg\]

B)

\[125\,\,J\]

C)

\[250\,\,erg\]

D)

\[250\,\,J\]

View Answer
50) The velocity of electromagnetic waves in a good conductor is

A)

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

B)

zero

C)

infinite

D)

none of these

View Answer
51) Ethylene is obtained from ethyl bromide by treating it with

A)

hydrogen

B)

aqueous caustic soda

C)

aqueous caustic potash

D)

alcoholic caustic potash

View Answer
52) Which substance when boiled with \[NaOH\] will evolve\[N{{H}_{3}}\]?

A)

Aniline

B)

Acetamide

C)

Ethylamine

D)

Acetoxime

View Answer
53) Optical isomerism shown by

A)

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

B)

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

C)

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

D)

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

View Answer
54) Length of carbon-carbon bond is least in

A)

ethanol

B)

ethanol

C)

ethane

D)

ethyne

View Answer
55) Raffinose is

A)

trisaccharide

B)

monosaccharide

C)

disaccharide

D)

none

View Answer
56) Formaldehyde on condensation in presence of \[Ca{{(OH)}_{2}}\] gives

A)

formose

B)

fructose

C)

maltose

D)

xylose

View Answer
57) The reaction between chlorobenzene and chloral in the presence of concentrated sulphuric acid produces

A)

gammexane

B)

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

C)

chloropicrin

D)

benzene hexachloride

View Answer
58) Which does not react with Fehlings solution?

A)

Acetaldehyde

B)

Formic acid

C)

Glucose

D)

Benzaldehyde

View Answer
59) Primary alcohols can be obtained from the reaction of the \[RMgX\] with

A)

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

B)

\[HCHO\]

C)

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

D)

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

View Answer
60) \[PC{{l}_{5}}\] reacts with propanone, to give

A)

vic-dichloride

B)

propanal

C)

propane-chloride

D)

gem-dichloride

View Answer
61) Which is a suitable reagent to confirm the presence of iodine?

A)

Fehlings solution

B)

Starch solution

C)

Silver nitrate solution

D)

Miltons reagent

View Answer
62) Concentrated \[NaOH\] and benzaldehyde react to produce

A)

cinnamic acid

B)

hydrogen benzamide

C)

benzophenone

D)

benzyl alcohol

View Answer
63) When wine is put in air, it becomes sour due to

A)

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

B)

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

C)

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

D)

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

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

A)

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

B)

\[Mg\]

C)

Both

D)

None

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

A)

\[1730\,\,K\]

B)

\[110\,\,K\]

C)

\[273\,\,K\]

D)

\[893\,\,K\]

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

A)

\[16.2\]

B)

\[17.4\]

C)

\[17\]

D)

\[16.5\]

View Answer
67) White smoke is formed when ammonia gas meets with

A)

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

B)

\[HCl\]

C)

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

D)

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

View Answer
68) According to Bronsted-Lowry concept, the correct order of relative strength of bases follows the order

A)

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

B)

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

C)

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

D)

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

View Answer
69) The common ion effect is shown by which of the following set of solutions?

A)

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

B)

\[NaCl+HCl\]

C)

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

D)

None

View Answer
70) The number of incomplete orbitals in inner transition elements are

A)

2

B)

3

C)

4

D)

1

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

A)

\[0\]

B)

\[3/2\]

C)

\[-3/2\]

D)

\[1/2\]

View Answer
72) Tincal is

A)

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

B)

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

C)

\[NaCl\]

D)

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

View Answer
73) lonisation potential values of \[d\] block elements as compared to ionization potential value of \[f\] block elements are

A)

higher

B)

equal

C)

lower

D)

all of these

View Answer
74) The distribution law is applied for the distribution of basic acid between

A)

water and ethyl alcohol

B)

water and amyl alcohol

C)

water and sulphuric acid

D)

water and liquor ammonia

View Answer
75) The maximum sum of the number of neutrons and protons in an isotope of hydrogen is

A)

4

B)

5

C)

6

D)

3

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

A)

\[4.9\,\,g\]

B)

\[9.80\,\,g\]

C)

\[3.92\,\,g\]

D)

\[12.45\,\,g\]

View Answer
77) The compound which ionizes almost completely in water is

A)

alcohol

B)

acetic acid

C)

hydrogen peroxide

D)

potassium chloride

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

A)

the reaction remains unaffected

B)

forward reaction is favoured

C)

the reaction halts

D)

backward reaction is favoured

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

A)

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

B)

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

C)

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

D)

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

View Answer
80) Temporary hardness of water can be removed by

A)

addition of potassium permagenate

B)

boiling

C)

filtration

D)

addition of chlorine

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

A)

\[-243\,\,kJ\]

B)

\[-241.8\,\,kJ\]

C)

\[241.8\,\,kJ\]

D)

\[243\,\,kJ\]

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

A)

2

B)

3

C)

4

D)

1

View Answer
83) \[0.71\,\,g\]of chlorine combines with certain weight of a metal giving \[1.11\,\,g\] of its chloride. The equivalent weight of the metal is

A)

\[40\]

B)

\[20\]

C)

\[80\]

D)

none

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

A)

decreasing the pressure and increasing the temperature

B)

increasing the pressure and decreasing the temperature

C)

increasing the pressure and the temperature

D)

decreasing the pressure and the temperature

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

A)

the eq. weight of the metal is 8

B)

the atomic weight of the metal is 8

C)

the atomic weight of the metal is 4

D)

the eq. weight of the metal is 4.

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

A)

\[n=1\]

B)

\[n=3\]

C)

\[l=1\]

D)

\[m=2\]

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

A)

\[3\]

B)

\[1\]

C)

\[2\]

D)

\[11\]

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

A)

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

B)

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

C)

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

D)

none

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

A)

Heated copper oxide

B)

Cold, solid calcium chloride

C)

Cold, solid calcium hydroxide

D)

Heated charcoal

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

A)

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

B)

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

C)

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

D)

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

View Answer
91) The bond angle is minimum in

A)

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

B)

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

C)

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

D)

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

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

A)

increases

B)

cannot be determined

C)

remains same

D)

decreases

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

A)

Mercury

B)

Iron

C)

Sodium

D)

Magnesium

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

A)

3

B)

2

C)

1

D)

½

View Answer
95) Which noble gas is the least polarizable?

A)

\[Kr\]

B)

\[Ne\]

C)

\[He\]

D)

\[Rn\]

View Answer
96) Which one is the strongest bond?

A)

\[Br-F\]

B)

\[F-F\]

C)

\[Cl-F\]

D)

\[Br-Cl\]

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

A)

\[-3\]

B)

\[(-2)\]

C)

\[-1\]

D)

\[+2\]

View Answer
98) Aquaregia is a mixture of

A)

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

B)

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

C)

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

D)

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

View Answer
99) The electronic configuration of halogen is

A)

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

B)

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

C)

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

D)

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

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

A)

silver formate

B)

metallic silver

C)

silver oxide

D)

formaldehyde

View Answer
101) Which of the following structure is present in mitochondria?

A)

Polysomes

B)

Dilysomes

C)

Quantasomes

D)

Oxysomes

View Answer
102) Cell theory was propounded by

A)

Schleiden and Schwann

B)

Robert Hooke

C)

Robert Koch

D)

Darwin

View Answer
103) Which process is completed in mitochondria?

A)

Oxidative phosphorylation

B)

Photophosphorylation

C)

Photolysis

D)

Matrix formation

View Answer
104) Grana are present inside the

A)

mitochondria

B)

chloroplast

C)

endoplasmic reticulum

D)

ribosome

View Answer
105) Which event involves in crossing over?

A)

Chromosomes are short and thick

B)

Exchange of genetic material

C)

Pairing of chromosomes

D)

Addition of chromosomes

View Answer
106) Insectivorous plants grow in

A)

calcium deficient soil

B)

carbon deficient soil

C)

magnesium deficient soil

D)

nitrogen deficient soil

View Answer
107) The term water potential was given by

A)

Dixon and Jolly

B)

Prof. R.C. Sirohi

C)

J.C. Bose

D)

Slatyer and Tayler

View Answer
108) Abscisic acid plays active role in

A)

dormancy of seeds

B)

cell division

C)

enhance ,senscense

D)

shoot elongation

View Answer
109) What is R. Q. of early stages of germination of castor seed?

A)

One

B)

Two

C)

Zero

D)

Less than one

View Answer
110) The female gametophyte is made up of

A)

single celled

B)

six celled

C)

seven celled

D)

eight celled

View Answer
111) Humus is

A)

living organic and inorganic matter

B)

radioactive materials

C)

dead and decayed organic matter

D)

only living organic matter

View Answer
112) In nitrogen deficient soil, which group of plant can grow?

A)

Gymnosperms

B)

Algae

C)

Insectivorous

D)

Bryophytes

View Answer
113) Which family has actinomorphic flower?

A)

Poaceae

B)

Solanaceae

C)

Papaveraceae

D)

Papilionaceae

View Answer
114) Classification given by Hutchinson is

A)

phylogenetic

B)

artificial

C)

natural

D)

none of these

View Answer
115) The depletion of ozone layer in stratosphere would result in

A)

global warming

B)

forest fires

C)

skin cancer incidence

D)

soil erosion

View Answer
116) Crop rotation is used by farmers

A)

to increases soil fertility

B)

to increases community area

C)

to increases organic content of the soil

D)

to increases nitrogenous content in the soil

View Answer
117) Soil erosion can be prevented by

A)

afforestation

B)

deforestation

C)

over-grazing

D)

none of these

View Answer
118) Opium is obtained from which plant

A)

Tectona grandis

B)

Triticum aestivum

C)

Papaver somniferum

D)

Rosa indica

View Answer
119) Which is not a topographic factor?

A)

Altitude

B)

Steepness of slope

C)

Direction of slope

D)

Wind velocity

View Answer
120) Latex yielding plant is

A)

Simmondria chinensis

B)

Parthenium argentatum

C)

Triticum aestivum

D)

Mangifera indica

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

A)

golgi complex distruction

B)

chlorophyll distruction

C)

deplasmolysis

D)

plamolysis

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

A)

Xanthophyll

B)

Phycocyanin

C)

Leghaemoglobin

D)

Anthocyanin

View Answer
123) In phototropism, which hormone is involved

A)

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

B)

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

C)

cytokinin

D)

\[IAA\]

View Answer
124) Which bacteria is associated with roots of legume plants?

A)

Rhizobium

B)

Nostoc

C)

Spirogyra

D)

None of these

View Answer
125) Protoplasmic streaming theory was first proposed by

A)

J. C. Bose

B)

Dixon and Jolly

C)

de Vries

D)

Curtis

View Answer
126) Which is used in culture medium?

A)

Agar-Agar

B)

Resin

C)

Gum

D)

Paint

View Answer
127) In Ficus inflorescence is

A)

hypanthodium

B)

cymose

C)

raceme

D)

none of these

View Answer
128) Which shows heterothallism?

A)

Ephedra

B)

Pinus

C)

Rhizopus

D)

Cycas

View Answer
129) Peter Mitchell is related with

A)

Photosynthetic theory

B)

Chemiosmotic theory

C)

Virology

D)

None of these

View Answer
130) Which type of pollution is checked by green mufler?

A)

Noise

B)

Soil

C)

Water

D)

Air

View Answer
131) The disease minimata is produced by the pollution of water with

A)

calcium chloride

B)

silver nitrate

C)

mercuric chloride

D)

aluminium

View Answer
132) Major function of roots growing in air of marshy plants growing in saline soil is

A)

absorption of nutrients

B)

absorb moisture

C)

salt injury

D)

respire

View Answer
133) In plants healing of wounds takes place by the activity of

A)

intercalary meristem

B)

apical meristem

C)

lateral meristem

D)

secondary meristem

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

A)

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

B)

chloride

C)

nitrates

D)

ammonia

View Answer
135) Dicot leaf showing parallel venation belongs to the genus

A)

Calophyllum

B)

Zea

C)

Triticum

D)

Pisum

View Answer
136) In horticulture, which chemical is used as root inducing

A)

Ethylene

B)

ATP

C)

ABA

D)

IBA

View Answer
137) Botulism is caused by Clostridium botiilinum this bacteria is

A)

facultative anaerobes

B)

obligate anaerobes

C)

facultative aerobes

D)

none of these

View Answer
138) Chloroplasts, with pyrenoid are found in the leaves of

A)

Funaria

B)

wheat

C)

rice

D)

maize

View Answer
139) Which enzyme is electron transfer enzyme?

A)

Lypases

B)

Proteases

C)

Cytochromes

D)

None of these

View Answer
140) In pyramid of fresh water pond ecosystem number of primary consumers is

A)

more than the secondary consumers

B)

equal to producers

C)

less than the secondary consumers

D)

more than the producers

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

A)

Filament

B)

gynophore

C)

abdophore

D)

none of these

View Answer
142) Edaphology is a relationship between

A)

plant and ecosystem

B)

plant and biosphere

C)

soil and living organisms

D)

all of these

View Answer
143) In Cycus stem contains

A)

heart wood

B)

sapwood

C)

pycnoxylic wood

D)

manoxylic wood

View Answer
144) Which is edible in banana?

A)

Mesocarp

B)

Endocarp

C)

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

D)

None of these

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

A)

cleistogamy

B)

geitonogamy

C)

both a and b

D)

none of these

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

A)

Mitochondria

B)

Chloroplast

C)

Golgi body

D)

Nucleus

View Answer
147) In Dionea the movement of lamina lobe is

A)

seismonastic

B)

thigmonastic

C)

photonastic

D)

none of these

View Answer
148) In plants auxin synthesis occurs in

A)

xylem cells

B)

epidermis

C)

root and shoot tips

D)

phloem cells

View Answer
149) In pond ecosystem diatoms represent

A)

producers

B)

consumers

C)

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

D)

none of these

View Answer
150) More elongation of plant stem is due to

A)

cytokinin

B)

ethylene

C)

auxin

D)

gibberellin

View Answer
151) Lacteals are found in

A)

villus of intestine

B)

kidneys

C)

liver

D)

lungs

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

A)

Echinodermata

B)

Mollusca

C)

Oligochaeta

D)

Arthropoda

View Answer
153) Vocal cords are situated at

A)

bronchial tube

B)

glottis

C)

larynx

D)

pharynx

View Answer
154) Karyotaxonomy is the modern branch of classification which is based on

A)

trinomial nomenclature

B)

organic evolution

C)

bands found on chromosomes

D)

number of chromosomes

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

A)

prebiotic soup

B)

coacervates

C)

protists

D)

microbes

View Answer
156) What is the name of the book written by Aristotle?

A)

Philosophic Zoologique

B)

Systema Naturae

C)

Histoire Naturelle

D)

Historia Animalium

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

A)

Oxygen

B)

Ammonia

C)

Hydrogen

D)

Methane

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

A)

Historia Plantarum

B)

Historia Naturalis

C)

Systema Naturae

D)

Histoire Naturelle

View Answer
159) Haemoglobin is having maximum affinity with

A)

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

B)

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

C)

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

D)

\[CO\]

View Answer
160) In mongolism a patient possesses

A)

44 chromosomes

B)

45 chromosomes

C)

47 chromosomes

D)

46 chromosomes

View Answer
161) Which blood group is a universal recipient?

A)

\[O\]

B)

\[AB\]

C)

\[B\]

D)

\[A\]

View Answer
162) When released from ovary, the human egg contains

A)

\[XY\] chromosomes

B)

two \[X\] chromosomes

C)

one \[Y\] chromosomes

D)

one \[X\] chromosomes

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

A)

\[O\]

B)

\[B\]

C)

\[AB\]

D)

\[A\]

View Answer
164) Which endocrine gland is responsible for immunity?

A)

Adrenal

B)

Pituitary

C)

Thymus

D)

Pineal

View Answer
165) Restriction endonuclease is used in

A)

regeneration of tissues

B)

cell fractionation

C)

tissue culture

D)

genetic engineering

View Answer
166) The function of amniotic cavity is

A)

protection from shocks

B)

protection from dessication

C)

protection from dessication and shocks

D)

respiration

View Answer
167) Full form of AIDS is

A)

acquired immune disease symptom

B)

acquired immune deficiency syndrome

C)

auto immune deficiency syndrome

D)

anti-immune deficiency syndrome

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

A)

meroblastic

B)

holoblastic

C)

meridional

D)

spiral

View Answer
169) The process by which ova are formed is known as?

A)

Oviparity

B)

Oviposition

C)

Ovulation

D)

Oogenesis

View Answer
170) Cell division in sexual reproduction is

A)

meiotic

B)

mitotic

C)

amitotic

D)

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

View Answer
171) The disease rickets of bones is due to

A)

vitamin D deficiency

B)

vitamin C deficiency

C)

vitamin B deficiency

D)

vitamin A deficiency

View Answer
172) In our body, the blood bank is

A)

heart

B)

liver

C)

spleen

D)

red bone marrow

View Answer
173) Main cause of beri-beri disease is

A)

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

B)

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

C)

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

D)

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

View Answer
174) Sperm head mainly contains the

A)

mitochondria

B)

centrosome

C)

golgi body

D)

nucleus

View Answer
175) In males, the essential hormones for secondary sexual characteristics is

A)

relaxin

B)

estrogen

C)

progesterone

D)

testosterone

View Answer
176) Graffian follicle of ovary secretes which hormone

A)

cortisone

B)

relaxin

C)

progesterone

D)

estrone

View Answer
177) Cretinism is due to less secretion of

A)

adrenal gland

B)

parathyroid gland

C)

pituitary gland

D)

thyroid gland

View Answer
178) The nerve related with diaphragm is

A)

glossopharyngeal

B)

trigeminal

C)

phrenic

D)

vagus

View Answer
179) The disease caused by deficiency of iodine is

A)

tetany

B)

goitre

C)

myxoedema

D)

cretinism

View Answer
180) Third ventricle is present in

A)

liver

B)

kidney

C)

brain

D)

heart

View Answer
181) What is the function of amnion?

A)

Protection from shocks

B)

Nutrition

C)

Excretion

D)

Respiration

View Answer
182) In nephrons there is complete absorption of

A)

water

B)

glucose

C)

salt

D)

urea

View Answer
183) Fallopian tube is the part of

A)

vas defcrens

B)

oviduct

C)

ureter

D)

uterus

View Answer
184) Lymph (nodes) glands form

A)

antibodies

B)

antigens

C)

lymphs

D)

hormones

View Answer
185) Movement in sperm is by

A)

tail

B)

middle piece

C)

acrosome

D)

head

View Answer
186) The vitamin which is essential for blood clotting is

A)

vitamin K

B)

vitamin D

C)

vitamin B

D)

vitamin A

View Answer
187) Ear drum is known as

A)

scala vcstibuli

B)

scala tympani

C)

tensor tympani

D)

tympanic membrane

View Answer
188) Universal donor is

A)

B blood group

B)

A blood group

C)

AB blood group

D)

O blood group

View Answer
189) AIDS causing factors   are associated with

A)

Protozoa

B)

Bacteria

C)

DNA virus

D)

RNA virus

View Answer
190) Nails are formed by

A)

keratin

B)

cartilage

C)

chitin

D)

bones

View Answer
191) Which disease is caused by activation of oncogenes?

A)

Viral flu

B)

T.B.

C)

Cancer

D)

Cholera

View Answer
192) Striped muscles are

A)

anucleate

B)

binucleale

C)

uninucleate

D)

syncytial

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

A)

cryptozoites

B)

dead WBC

C)

colour pigment of RBC

D)

globin protein of RBC

View Answer
194) Striped muscles are present in

A)

limb muscles

B)

blood vessels

C)

gall bladder

D)

lungs

View Answer
195) Whose secretion forms the pearl?

A)

Connective tissue of mantle

B)

Ciliated epithelial cells of mantle

C)

Columnar epithelial cell of mantle

D)

Prismatic layer

View Answer
196) Alcohol addiction is harmful because it causes

A)

cancer

B)

rise in blood sugar level

C)

deposition of extra fat in liver

D)

protein deposition in liver

View Answer
197) Which scientist gave the theory of continuity of germplasm?

A)

Darwin

B)

Lamarck

C)

Mendel

D)

Weismann

View Answer
198) Who wrote the book Genetics and the Origin of species

A)

Fischer

B)

Julian Huxley

C)

Dobzhansky

D)

Devis

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

A)

Cromagnon man

B)

Neanderthal man

C)

Java man

D)

Peking man

View Answer
200) In honey bee, drones are produced by

A)

larva fed with royal jelly

B)

low fed larvae

C)

fertilized eggs

D)

unfertilized eggs

View Answer

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