Solved papers for AFMC AFMC Solved Paper-2011

AFMC Solved Paper-2011 Total Questions - 200

1) Each capacitor shown in figure is 2uF. Then the equivalent capacitance between A and B is

A)

2\[\mu \]F

B)

4\[\mu \]F

C)

6\[\mu \]F

D)

8\[\mu \]F

View Answer
2) What is the refractive index of a prism whose angle \[A=60{}^\circ \] and angle of minimum deviation \[dm=30{}^\circ \] ?

A)

\[\sqrt{2}\]

B)

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

C)

1

D)

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

View Answer
3) In a magnetic field of 0.05 T area of coil changes from 101 cm2 to 100 cm2 without changing the resistance which is 2\[\Omega \]. The amount of charge that flow during this period is

A)

\[2.5\times {{10}^{-6}}C\]

B)

\[2\times {{10}^{-6}}C\]

C)

\[{{10}^{-6}}C\]

D)

\[8\times {{10}^{-6}}C\]

View Answer
4) Which has more luminous efficiency?

A)

A 40 W bulb

B)

A 40 W fluorescent tube

C)

Both have same

D)

Cannot say

View Answer
5) A circular loop and a square loop are formed from the same wire and the same current is passed through them. Find the ratio of their dipole moments

A)

4\[\pi \]

B)

\[\frac{4}{\pi }\]

C)

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

D)

2\[\pi \]

View Answer
6) A jet of water with a cross-sectional area a is striking against a wall at an angle \[\theta \]to the horizontal and rebounds elastically. If the velocity of water jet is v and the density is \[\rho ,\] the normal force acting on the wall is

A)

\[2a{{v}^{2}}\rho \,\cos \theta \]

B)

\[a{{v}^{2}}\rho \,\cos \theta \]

C)

\[2av\rho \,\cos \theta \]

D)

\[av\,\cos \theta \]

View Answer
7) If a surface has a work function 4.0 eV, what is the maximum velocity of electrons liberated from the surface when it is irradiated with ultraviolet radiation of wavelength 0.2 \[\mu \]m?

A)

\[4.4\times {{10}^{5}}m/s\]

B)

\[8.8\times {{10}^{7}}m/s\]

C)

\[8.8\times {{10}^{5}}m/s\]

D)

\[4.4\times {{10}^{7}}m/s\]

View Answer
8) A proper combination of 3 NOT and 1 AND gates is shown. If A = 0, B = 1, C = 1 then the output of this combination is

A)

1

B)

zero

C)

not predictable

D)

None of these

View Answer
9) If \[\gamma \] denotes the ratio of the two specific heats of a gas, the ratio of the slopes of adiabatic and isothermal p-V curves at their point of intersection is

A)

1/\[\gamma \]

B)

\[\gamma \]

C)

\[\gamma \]- 1

D)

\[\gamma \]+1

View Answer
10) The weight of a body on surface of earth is 12.6 N. When it is raised to a height half the radius of earth its weight will be

A)

2.8 N

B)

5.6 N

C)

12.5 N

D)

25.2 N

View Answer
11) A particle having a mass 0.5 kg is projected under gravity with a speed of 98 m/s at an angle of 60°. The magnitude of the change in momentum in kg- m/s of the particle after 10 s is

A)

490

B)

98

C)

49

D)

0.5

View Answer
12) The given figure shows the electric lines of force emerging from a charged body. If the electric field at A and B are EA and EB respectively and if the displacement between A and B is r, then

A)

\[{{E}_{A}}>{{E}_{B}}\]

B)

\[{{E}_{A}}<{{E}_{B}}\]

C)

\[{{E}_{A}}=\frac{{{E}_{B}}}{r}\]

D)

\[{{E}_{A}}=\frac{{{E}_{B}}}{{{r}^{2}}}\]

View Answer
13) When the room temperature becomes equal to the dew point, the relative humidity of the room is

A)

100 %

B)

zero %

C)

70 %

D)

85 %

View Answer
14) A transistor is working in common emitter mode. Its amplification factor\[\left( \beta \right)\]is 80. If the base current is 250 \[\mu A\], the collector current will be

A)

\[1.25\,\mu A\]

B)

\[\frac{250}{80}\,\mu A\]

C)

\[430\,\mu A\]

D)

\[250\times 80\,\mu A\]

View Answer
15) You are marooned on a frictionless horizontal plane and cannot exert any horizontal force by pushing against the surface. How can you get off

A)

by jumping

B)

by rolling your body on the surface

C)

by splitting or sneezing or throwing any object

D)

by throwing an object in opposite direction

View Answer
16) A hollow cylinder with both sides open generates a frequency f in air. When the cylinder vertically immersed into water by half its length the frequency will be

A)

f

B)

2f

C)

f/2

D)

f/4

View Answer
17) If a shunt of \[\frac{1}{10}th\] of the coil resistance is applied to a moving coil galvanometer, its sensitivity becomes

A)

10 fold

B)

\[\frac{1}{10}\] fold

C)

11 fold

D)

\[\frac{1}{11}\] fold

View Answer
18) Solar radiation is

A)

transverse electromagnetic wave

B)

longitudinal electromagnetic wave

C)

stationary wave

D)

None of the above

View Answer
19) If 1 mg of U235 is completely annihilated, the energy liberated is

A)

\[9\times {{10}^{10}}J\]

B)

\[9\times {{10}^{19}}J\]

C)

\[9\times {{10}^{18}}J\]

D)

\[9\times {{10}^{17}}J\]

View Answer
20) Two stretched strings have lengths l and 2l while tensions are T and 4T respectively. If they are made of same material the ratio of their frequencies is

A)

2 : 1

B)

1 : 2

C)

1 : 1

D)

1 : 4

View Answer
21) An ideal gas expands along the path AB as shown in the p-V diagram. The work done is

A)

\[4\times {{10}^{4}}J\]

B)

\[~1.2\times {{10}^{5}}J\]

C)

\[2.4\times {{10}^{5}}J\]

D)

None of these

View Answer
22) When sound is produced in an aeroplane moving with a velocity of 200 m/s horizontal its echo is heard after 10\[\sqrt{5}\]. If velocity or sound in air is 300 m/s, the elevation of aircraft is

A)

250 m

B)

250\[\sqrt{5}\] m

C)

1250 m

D)

2500 m

View Answer
23) A solenoid 30 cm long is made by winding 2000 loops of wire on an iron rod whose cross-section is 1.5 cm2. If the relative permeability of the iron is 6000, what is the self-inductance of the solenoid?

A)

1.5 H

B)

2.5 H

C)

3.5 H

D)

0.5 H

View Answer
24) An experiment takes 10 min to raise temperature of water from 0°C and 100°C and another 55 min to convert it totally into steam by a stabilized heater. The latent heat of vaporization comes out to be

A)

530 cal/g

B)

540 cal/g

C)

550 cal/g

D)

560 cal/g

View Answer
25) Two points on a travelling wave having frequency 500 Hz and velocity 300 m/s are 60° out of phase, then the minimum distance between the two points is

A)

0.2

B)

0.1

C)

0.5

D)

0.4

View Answer
26) A resistor of 6 k\[\Omega \] with tolerance 10% and another of 4 k\[\Omega \] with tolerance 10% are connected in series. The tolerance of combination is about

A)

5%

B)

10%

C)

12%

D)

15%

View Answer
27) A cooking pot should have

A)

high specific heat and low conductivity

B)

high specific heat and high conductivity

C)

low specific heat and low conductivity

D)

low specific heat and high conductivity

View Answer
28) The phenomenon of Brownian movement may be taken as evidence of

A)

kinetic theory of matter

B)

EMT of radiation

C)

corpuscular theory of light

D)

photoelectric phenomenon

View Answer
29) In a simple cubic lattice, the co-ordination number is

A)

4

B)

5

C)

6

D)

8

View Answer
30) A proton and an \[\alpha \]-particle, accelerated through the same potential difference, enter a region of uniform magnetic field normally. If the radius of the proton orbit is 10 cm, the radius of \[\alpha \]-orbit is

A)

10 cm

B)

10\[\sqrt{2}\] cm

C)

20 cm

D)

5\[\sqrt{2}\] cm

View Answer
31) Three identical thermal conductors are connected as shown in figure. Considering no heat loss due to radiation, temperature at the junction will be

A)

\[40{}^\circ \]

B)

\[60{}^\circ \]

C)

\[50{}^\circ \]

D)

\[35{}^\circ \]

View Answer
32) In a noiseless transformer an alternating current of 2 A is flowing in the primary coil. The number of turns on the primary and secondary coils are 100 and 20 respectively. The value of the current in the secondary coil is

A)

0.08 A

B)

0.4 A

C)

5 A

D)

10 A

View Answer
33) When the wavelength of sound changes from 1 m to 1.01 m, the number of beats heard are 4. The velocity of sound is

A)

404 m/s

B)

4.04 m/s

C)

414 m/s

D)

400 m/s

View Answer
34) A satellite with kinetic energy E revolving round the earth in a circular orbit. The minimum additional KE required for it to escape into outer space is

A)

\[\sqrt{2}\]E

B)

2 E

C)

E/\[\sqrt{2}\]

D)

E

View Answer
35) 1 Wb /m2 is equal to

A)

104 G

B)

102 G

C)

10-2 G

D)

10-4 G

View Answer
36) When a spring is extended by 2 cm energy stored is 100 J. When extended by further 2 cm, the energy increases by

A)

400 J

B)

300 J

C)

200 J

D)

100 J

View Answer
37) A mass M is split into two pans m and (M - m), which are, then separated by a certain distance. The ratio m/ M which maximizes the gravitational force between the pans is

A)

1 : 4

B)

1 : 3

C)

1 : 2

D)

1 : 1

View Answer
38) Two bulbs 40 W and 60 W and rated voltage 240 V are connected in series across a potential difference of 420 V. Which bulb will work at above its rated voltage?

A)

40 W bulb

B)

60 W bulb

C)

Both will work

D)

None of these

View Answer
39) A wheel of radius 5 cm rotates so, that the relationship between the angle of rotation of wheel radius and the time is described by the equation \[\phi =A+Bt+C{{t}^{2}}+D{{t}^{3}}\]where, D = 1 rad /s2. The change in tangential acceleration during each second of the motion for the point on the rim is

A)

0.3 ms-2

B)

0.03 ms-2

C)

3 ms-2

D)

0.09 ms-2

View Answer
40) A convex lens is placed between object and a screen. The size of object is 3 cm and an image of height 9 cm is obtained on the screen. When the lens is displaced to a new position, what will be the size of image on the screen?

A)

2 cm

B)

6 cm

C)

4 cm

D)

1 cm

View Answer
41) An ideal gas (\[\gamma \]= 1.5) is expanded adiabatically. How many times has the gas to be expanded to reduce the root mean square velocity of the molecules 2.0 times?

A)

8 times

B)

16 times

C)

\[\frac{1}{8}\] times

D)

4 times

View Answer
42) A simple pendulum with length L and mass of the both is vibrating with an amplitude a. Then the maximum tension in the string is

A)

mg

B)

mg \[\left[ 1+{{\left( \frac{a}{L} \right)}^{2}} \right]\]

C)

\[mg{{\left[ 1+\left( \frac{a}{2L} \right) \right]}^{2}}\]

D)

\[mg{{\left[ 1+\left( \frac{a}{L} \right) \right]}^{2}}\]

View Answer
43) A ball rolls off the top of stairway with a horizontal velocity of magnitude 1.8 m/s. The slops are 0.20 m high and 0.20 m wide. Which step will the ball hit first?

A)

First

B)

Second

C)

Third

D)

Fourth

View Answer
44) Two rods X and Y are attached to a weight of mass M as shown in figure, then

A)

both X and Y experience compression

B)

both X and Y experience extension

C)

X experiences extension and Y compression

D)

Y experiences compression and X Extension

View Answer
45) A disc of radius 0.1 m is rotating with a frequency 10 rev/s in a normal magnetic field of strength 0.1 T. Net induced emf is

A)

\[2\pi \times {{10}^{-2}}V\]

B)

\[\pi \times {{10}^{-2}}V\]

C)

\[\frac{\pi }{2}\times {{10}^{-2}}V\]

D)

None of these

View Answer
46) If force (F), length (L) and time (T) be considered fundamental units, then units of mass will be

A)

[FLT-2]

B)

[FL-2T-1]

C)

[FL-1T2]

D)

[F2 L T-2]

View Answer
47) The p-V diagram of 2 g of helium gas for a certain process A \[\to \]B is shown in the figure. What is the heat given to the gas during the process A \[\to \] B?

A)

4p0V0

B)

6p0V0

C)

4.5p0V0

D)

2p0V0

View Answer
48) Find the maximum velocity with which a train can be moved on a circular track of radius 200 m. The banking of the track is 5.71° (given, tan 5.71° = 0.1)

A)

1.4 m/s

B)

14 m/s

C)

140 m/s

D)

0.14 m/s

View Answer
49) The dimensions of Planck's constant is same as that of

A)

angular momentum

B)

linear momentum

C)

work

D)

coefficient of viscosity

View Answer
50) With what minimum acceleration can a fireman slide down a rope while breaking strength of the rope is \[\frac{2}{3}\]of the weight?

A)

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

B)

g

C)

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

D)

Zero

View Answer
51) The simplest way to check whether a system is colloidal is by

A)

electrodialysis

B)

finding out particle size

C)

tyndall effect

D)

Brownian movement

View Answer
52) In the reaction \[{{H}_{2}}(g)+C{{l}_{2}}(g)2HCl(g)\]

A)

\[{{K}_{p}}\ne {{K}_{c}}\]

B)

\[{{K}_{p}}={{K}_{c}}\]

C)

\[{{K}_{p}}>{{K}_{c}}\]

D)

\[{{K}_{p}}<{{K}_{c}}\]

View Answer
53) One mole of oxygen at 273 K and one mole of sulphur dioxide at 546 K are taken in two separate containers, then,

A)

kinetic energy of \[{{O}_{2}}>\] kinetic energy of \[S{{O}_{2}}\]

B)

kinetic energy of \[{{O}_{2}}<\]kinetic energy of \[S{{O}_{2}}\]

C)

kinetic energy of both are qual

D)

None of the above

View Answer
54) The complexes \[[PtC{{l}_{2}}{{(N{{H}_{3}})}_{4}}]B{{r}_{2}}\] and\[[PtB{{r}_{2}}{{(N{{H}_{3}})}_{4}}]C{{l}_{2}}\] are   examples   for isomerism

A)

geometrical

B)

optical

C)

ionisation

D)

linkage

View Answer
55) The electronic configuration of \[C{{r}^{3+}}\]is

A)

\[\text{ }\!\![\!\!\text{ }Ar\text{ }\!\!]\!\!\text{ }3{{d}^{4}}4{{s}^{2}}\]

B)

\[\text{ }\!\![\!\!\text{ }Ar\text{ }\!\!]\!\!\text{ }3{{d}^{3}}4{{s}^{0}}\]

C)

\[\text{ }\!\![\!\!\text{ }Ar\text{ }\!\!]\!\!\text{ }3{{d}^{2}}4{{s}^{1}}\]

D)

\[\text{ }\!\![\!\!\text{ }Ar\text{ }\!\!]\!\!\text{ }3{{d}^{5}}4{{s}^{1}}\]

View Answer
56) Angle strain in cyclopropane is

A)

\[{{24}^{o}}44'\]

B)

\[{{9}^{o}}44'\]

C)

44'

D)

\[-{{5}^{o}}16'\]

View Answer
57) Haloalkane in the presence of alcoholic KOH undergoes

A)

elimination

B)

polymerization

C)

dimerisation

D)

substitution

View Answer
58) Identify the ore not containing iron

A)

limonite

B)

siderite

C)

camallite

D)

chalcopyrites

View Answer
59) Ammonium ion is

A)

neither an acid nor base

B)

both an acid and a base

C)

a conjugate acid

D)

a conjugate base

View Answer
60) What is the equivalent weight of \[\text{SnC}{{\text{l}}_{\text{2}}}\]in the following reaction,\[\text{SnC}{{\text{l}}_{2}}\xrightarrow[{}]{{}}SnC{{l}_{4}}?\]

A)

95

B)

45

C)

60

D)

30

View Answer
61) During the formation of a chemical bond

A)

electron-electron repulsion becomes more than the nucleus-electron attraction

B)

energy of the system does not change

C)

energy increases

D)

energy decreases

View Answer
62) Nitration of nitrobenzene at \[125{{\,}^{o}}C\]with mixed acids gives

A)

meta-dinitrobenzene

B)

ortho-dinitrobenzene

C)

para-dinitrobenzene

D)

1, 3, 5-trinitro benzene

View Answer
63) Benzene reacts with chlorine in sunlight to give a final product

A)

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

B)

\[{{C}_{6}}{{H}_{6}}C{{l}_{6}}\]

C)

\[{{C}_{6}}C{{l}_{6}}\]

D)

\[{{C}_{6}}{{H}_{5}}Cl\]

View Answer
64) Hofmann's bromamide reaction is to convert

A)

acid to alcohol

B)

alcohol to acid

C)

amide to amine

D)

amine to amide

View Answer
65) What is the time (in sec) required for depositing all the silver present in 125 mL of \[\text{1 M AgN}{{\text{O}}_{\text{3}}}\] solution by passing a current of 241.25 A? (IF = 96500 coulombs)

A)

10

B)

50

C)

1000

D)

100

View Answer
66) The correct order in which the first ionisation potential increases is

A)

Na, K, Be

B)

K, Na, Be

C)

K, Be, Na

D)

Be, Na, K

View Answer
67) When cone. \[{{H}_{2}}S{{O}_{4}}\] is heated with \[{{P}_{2}}{{O}_{5}},\] the acid is converted into

A)

sulphur trioxide

B)

sulphur dioxide

C)

sulphur

D)

a mixture of sulphur dioxide and sulphur trioxide

View Answer
68) \[\text{M}{{\text{g}}^{\text{2+}}}\] is isoelectronic with

A)

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

B)

\[Z{{n}^{2+}}\]

C)

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

D)

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

View Answer
69) Gram molecular volume of oxygen at STP is

A)

\[3200\text{ }c{{m}^{3}}\]

B)

\[5600\text{ }c{{m}^{3}}\]

C)

\[22400\,c{{m}^{3}}\]

D)

\[11200\,c{{m}^{3}}\]

View Answer
70) \[+I\]effect is shown by

A)

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

B)

\[-Br\]

C)

\[-Cl\]

D)

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

View Answer
71) The amino acid which is not optically active is

A)

lactic acid

B)

serine

C)

alanine

D)

glycine

View Answer
72) A condensation polymer among the following polymers is

A)

teflon

B)

polysterene

C)

PVC

D)

decron

View Answer
73) Dehydration of alcohol is an example of which type of reaction?

A)

Substitution

B)

Elimination

C)

Addition

D)

Rearrangement

View Answer
74) When sulphur dioxide is passed in an acidified \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]solution, the oxidation state of sulphur is changed from

A)

+ 4 to 0

B)

+ 4 to + 2

C)

+ 4 to + 6

D)

+ 6 to + 4

View Answer
75) Which among the following statement is false?

A)

The adsorption may be monolayered or multilayered

B)

Particle size of adsorbent will not affect the amount of adsorption

C)

Increase of pressure increases amount of adsorption

D)

All of the above

View Answer
76) Molarity of a given orthophosphoric acid solution is 3 M. Its normality is

A)

9 N

B)

0.3 N

C)

3 N

D)

1 N

View Answer
77) Graphite is a soft solid lubricant extremely difficult to melt. The reason for this anomalous behaviour is that graphite

A)

is an allotropic form of carbon

B)

is a non-crystalline substance

C)

has carbon atoms arranged in large plates of rings of strongly bonded carbon atoms with weak inter plate bonds

D)

has molecules of variable molecular masses like polymers

View Answer
78) \[{{C}^{14}}\]is

A)

a natural non-radioactive isotope

B)

an artificial non-radioactive isotope

C)

an artificial radioactive isotope

D)

a natural radioactive isotope

View Answer
79) Presence of halogen in organic compounds can be detected using

A)

Leibig'stest

B)

Duma's test

C)

Kjeldahal test

D)

Beilstien's test

View Answer
80) Which one of the following is an example of non-reducing sugar?

A)

Sucrose

B)

Lactose

C)

Maltose

D)

Cellobiose

View Answer
81) Covalent compounds have low melting point because

A)

covalent molecules are held by van der Waals' force of attraction

B)

covalent bond is less exothermic

C)

covalent bond is weaker than ionic bond

D)

covalent molecules have definate shape

View Answer
82) Dalton's law of partial pressure is applicable to which one of the following systems?

A)

\[\text{N}{{\text{H}}_{\text{3}}}\text{+ HC1}\]

B)

\[NO+{{O}_{2}}\]

C)

\[{{H}_{2}}+C{{l}_{2}}\]

D)

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

View Answer
83) Which of the following is an intensive property?

A)

Temperature

B)

Viscosity

C)

Surface tension

D)

All of these

View Answer
84) A metal present in vitamin \[{{\text{B}}_{\text{12}}}\] is

A)

aluminium

B)

zinc

C)

iron

D)

cobalt

View Answer
85) The oxidation state of iron in \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]is

A)

1

B)

4

C)

3

D)

2

View Answer
86) Half-life of a reaction is found to be inversely proportional to the cube of initial concentration. The order of reaction is

A)

5

B)

2

C)

4

D)

3

View Answer
87) The most basic compound in the following is

A)

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

B)

\[\text{C}{{\text{H}}_{\text{3}}}\text{N}{{\text{H}}_{\text{2}}}\]

C)

\[\text{HN(C}{{\text{H}}_{\text{3}}}{{\text{)}}_{\text{2}}}\]

D)

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

View Answer
88) The reagent used in Clemmensen's reduction is

A)

cone. \[{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\]

B)

Zn - Hg/conc. \[\text{HCl}\]

C)

\[aq.\text{ }KOH\]

D)

\[alc.\text{ }KOH\]

View Answer
89) Geometrical isomerism is shown by

A)

\[CC~\]

B)

\[>C=C<\]

C)

\[~C\equiv C\]

D)

None of these

View Answer
90) A compound that undergoes bromination easily is

A)

toluene

B)

benzoic acid

C)

phenol

D)

benzene

View Answer
91) Reaction of aniline with benzaldehyde is

A)

polymerization

B)

condensation

C)

addition

D)

substitution

View Answer
92) Entropy of the universe is

A)

constant

B)

zero

C)

continuously decreasing

D)

continuously increasing

View Answer
93) Aluminium oxide is not reduced by chemical reactions since

A)

reducing agent contaminate

B)

the process pollute the environment

C)

aluminium oxide is highly stable

D)

aluminium oxide is reactive

View Answer
94) The incorrect statement in respect of chromyi chloride test is

A)

formation of red vapours

B)

formation of lead chromate

C)

formation of chromyl chloride

D)

liberation of chlorine

View Answer
95) The set of compounds in which the reactivity of halogen atom in the ascending order is

A)

vinyl      chloride,      chloroethane, chlorobenzene

B)

vinyl     chloride,     chlorobenzene, chloroethane

C)

chloroethane,   chlorobenzene,   vinyl chloride

D)

chlorobenzene,     vinyl     chloride, chloroethane

View Answer
96) The IUPAC name for tertiary butyl iodide is

A)

4-iodo butane

B)

2-iodo butane

C)

1-iodo-3-methyl propane

D)

2-iodo-2-methyl propane

View Answer
97) Glacial acetic acid is obtained by

A)

chemically separating acetic acid

B)

treating vinegar with dehydrating agents

C)

crystallising, separating and melting acetic acid

D)

distilling vinegar

View Answer
98) Iron loses magnetic property at

A)

melting point

B)

1000 K

C)

Curie point

D)

boiling point

View Answer
99) The IUPAC name of \[{{K}_{2}}[Ni{{(CN)}_{4}}]\]is

A)

potassium tetracyanonickelate (II)

B)

potassium tetracyanato nickelate (III)

C)

potassium tetracyanatonickel (II)

D)

potassium tetracyanonickel (III)

View Answer
100) Which one of the following is aromatic?

A)

Cyclopentadienyl cation

B)

Cyclooctatetraene

C)

Cycloheptatriene

D)

Cycloheptatrienylcation

View Answer
101) Fear of dirt, disease and contaminants is.

A)

pathophobia

B)

mysophobia

C)

algophobia

D)

None of these

View Answer
102) The homeostatic regulation of an animal requires three basic components, ...... to detect changes,......to evaluate the changes and......to adjust the changes respectively

A)

receptoraffectors effectors

B)

brain spinal cord, effectors

C)

receptors integrators effectors

D)

receptorsintegratons effectors

View Answer
103) All plants and animals were created and perpetuated themselves without any change, is the theory of genesis given by

A)

Hulton

B)

Cuvier

C)

Haldane

D)

Oparin

View Answer
104) Which is not a vestigial organ in man?

A)

Wisdom teeth

B)

Muscles of external ear-pinna

C)

Fossa oval is

D)

Ileum

View Answer
105) ?Sexual selection? in Darwin theory was the

A)

wearest part

B)

strong part

C)

strongest part

D)

None of these

View Answer
106) Which of the following monkey has prehensile tail?

A)

Loris

B)

Tarsiers

C)

Spider monkey

D)

Rhesus monkey

View Answer
107) The odd one amongst following is

A)

Nitrococcus, Nitrobacter, Nitrosomonas

B)

Rhizobiurn, Aulosira, Bacillus, Polymyxa

C)

Clostridium, Rhizobiurn, Nostoc

D)

Anabaena, Nostoc, Azotobacter, Clostridium

View Answer
108) In algae, the bacteriological filter is

A)

Oscillatoria

B)

Batrachospermum

C)

Nostoc

D)

Cosmarium

View Answer
109) Schizogony of Plasmodium is also called as

A)

sporogony

B)

gamogony

C)

agamogony

D)

binary fission

View Answer
110) Lime-knots of slime moulds are

A)

swarm cells

B)

spore

C)

capillitia

D)

fruit bodies

View Answer
111) The total number of ascospores in Penicillium are

A)

8

B)

16

C)

4

D)

2

View Answer
112) One of the following is true moss.

A)

Irish moss

B)

Bog moss

C)

Club moss

D)

Reindeer moss

View Answer
113) How many meiosis occur in the sporangium of Nephrolepis?

A)

1

B)

4

C)

16

D)

Uncertain and variable

View Answer
114) Which of the following is categorised under living fossils?

A)

Pinus

B)

Cycas

C)

Selaginella

D)

Fucus

View Answer
115) Haustorial root is exceptional to

A)

Zea mays

B)

Cactus

C)

Cuscuta

D)

Monotropa

View Answer
116) Hydra can paralyse prey by

A)

nematocysts

B)

tentacles

C)

mouth

D)

None of these

View Answer
117) Chloragogen cells of earthworm are similar to......vertebrate organ

A)

spleen

B)

liver

C)

kidney

D)

lung

View Answer
118) Coelom in Echinodermata is

A)

pseudocoelic

B)

haemocoelic

C)

schizocoelic

D)

enterocoelic

View Answer
119) I sin glass is prepared from

A)

Ichthyophis

B)

lungs

C)

fishes

D)

lizards

View Answer
120) How can a tadpole be prevented to change into frog for long time?

A)

By giving very less food

B)

By giving fat-rich food

C)

By adding lot of thyroxine to the water in which they are kept

D)

provide them an antithyroid substance like thiourea

View Answer
121) The person with Turner?s syndrome has

A)

45 autosomes and X sex chromosome

B)

44 autosomes and XYY sex chromosomes

C)

45 autosomes and XYY sex chromosomes

D)

44 autosomes and X sex chromosomes

View Answer
122) Anticlinal or radial division mean division in

A)

transverse plane

B)

at right angle to outer wall

C)

plane parallel to outer wall

D)

at any plane

View Answer
123) Gaseous exchange in submerged hydrophytes takes place through

A)

lenticles

B)

stomata

C)

hydathodes

D)

general surface of plants

View Answer
124) Increase in circumference of stem is due to the activity of

A)

xylem

B)

phloem

C)

cambium

D)

cortex

View Answer
125) Histogens capping root apical meristem is

A)

dermatogen

B)

calyptrogen

C)

periblem

D)

plerome

View Answer
126) One of the following statement is false for heart wood.

A)

Made up of living cells

B)

Forms central cylinder of wood

C)

Solid and hard

D)

Contains gums and resins

View Answer
127) Hassal corpuscles are characteristic of

A)

thymus

B)

adrenal

C)

pineal

D)

pancreas

View Answer
128) Osteoblasts are found in

A)

blood

B)

muscle

C)

bone

D)

cartilage

View Answer
129) Translocation of sugars in flowering plants occur in the form of

A)

glucose

B)

starch

C)

sucrose

D)

maltose

View Answer
130) ?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
131) Which fraction of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants?

A)

Blue and green

B)

Green and red

C)

Red and violet

D)

Violet and blue

View Answer
132) Vitamin B! is present in one of these molecules

A)

TPP

B)

FMN

C)

NAD

D)

ATP

View Answer
133) Pacinian corpuscles occur in the skin of certain parts of body in mammals. These are

A)

type of glands

B)

pain receptors

C)

naked tactile receptors

D)

encapsulated pressure receptors

View Answer
134) Which of the following is an essential fatty acid in mammals?

A)

Stearic acid

B)

Acetic acid

C)

Palmitic acid

D)

Gamma linolenic acid

View Answer
135) If the skin of earthworm becomes dry, it dies due to

A)

asphyxia

B)

starvation

C)

intoxication

D)

dehydration

View Answer
136) Antigen antibody reactions are suppressed

A)

in liver dysfunction

B)

in chronic inflammatory reactions

C)

by\[\text{ACTH}\]

D)

by\[\text{vitamin}-\text{K}\]

View Answer
137) How many saddle joint can be traced in human body?

A)

2

B)

4

C)

8

D)

10

View Answer
138) Respiration is controlled by

A)

cerebellum

B)

medulla oblongata

C)

olfactory lobes

D)

hypothalamus

View Answer
139) In the following abnormalities of the eye, which one is a serious condition that leads to blindness?

A)

Presbyopia

B)

Myopia

C)

Hypermetropia

D)

Glaucoma

View Answer
140) The pigment responsible for flower induction is

A)

carotene

B)

riboflavin

C)

phytochrome

D)

xanthophyll

View Answer
141) Sage flower is pollinated by

A)

aphids

B)

butterflies

C)

bees

D)

moths

View Answer
142) Potato sprouting during storage can be prevented by

A)

gibberellins

B)

auxins

C)

maleichydrazide

D)

cytokinin

View Answer
143) The female hormone inhibin is secreted by

A)

zonapellucida

B)

ovary

C)

corpusluteum

D)

uterine epithelium

View Answer
144) Cleidoic eggs are found in

A)

fishes

B)

amphibians

C)

few reptiles

D)

None of these

View Answer
145) Even after disruption of all the hydrogens bonds, which structural level of a protein molecule still remains intact

A)

tertiary structure

B)

primary structure

C)

secondary structure

D)

quaternary structure

View Answer
146) The permanent decrease in population number occurs due to

A)

mortality

B)

natality and migration

C)

territoriality

D)

emigration

View Answer
147) Serule is

A)

hydrosere

B)

biosere

C)

microbial succession

D)

lithosphere

View Answer
148) Mycobiont and phycobiont association is

A)

symbiotic

B)

commensal

C)

parasitic

D)

helotism

View Answer
149) The conservation of natural resources within natural ecosystem is

A)

exsitu conservation

B)

in situ conservation

C)

Both (a) and (b)

D)

None of the above

View Answer
150) NMR is free from hazards as it does not use

A)

magnetic radiation

B)

ionizing radiations

C)

Both (a) and (b)

D)

None of the above

View Answer
151) Formalized system of trading agreements 10. with groups of countries is known as

A)

trading blocks

B)

trade ventures

C)

trade partners

D)

trade organizations

View Answer
152) Mahatma Gandhi was profoundly influenced by the writings of

A)

Bernard Shaw

B)

Karl Marx

C)

Lenin

D)

Leo Tolstoy

View Answer
153) Which country is the largest producer of Timber?

A)

United States

B)

Brazil

C)

Nigeria

D)

Sweden

View Answer
154) The Prime Minister of India is

A)

elected

B)

appointed

C)

nominated

D)

selected

View Answer
155) Which is not an All India Service?

A)

Indian Administrative Service

B)

Indian Police Service

C)

Indian Foreign Service

D)

Indian Forest Service

View Answer
156) Who is rightly called the ?Father of Local 15. Self Government in India?

A)

Lord Mayo

B)

Lord Ripon

C)

Lord Curzon

D)

Lord Clive

View Answer
157) Which Governor-General is associated with Doctrine of Lapse?

A)

Lord Ripon

B)

Lord Dalhousie

C)

Lord Bentinck

D)

Lord Curzon

View Answer
158) India attained ?Dominion Status? on

A)

15thJanuary, 1947

B)

15thAugust, 1947

C)

15thAugust, 1950

D)

15thOctober, 1947

View Answer
159) Which of the following causes Malaria?

A)

Insect

B)

Bacteria

C)

Protozoa

D)

Virus

View Answer
160) The largest tribal community in India is

A)

Bhils

B)

Gonds

C)

Santhals

D)

Tharus

View Answer
161) Teen Bigha Corridor links

A)

India and Pakistan

B)

India and China

C)

Bangladesh and Pakistan

D)

Bangladesh and India

View Answer
162) Who was the only Indian to be elected as President of the United Nations General Assembly?

A)

Vijayalakshmi Pandit

B)

VK KrishanMenon

C)

Jawaharlal Nehru

D)

Rajeshwar Dayal

View Answer
163) Which Indian State has the largest coastline?

A)

Andhra Pradesh

B)

Maharashtra

C)

Odisha

D)

Tamil Nadu

View Answer
164) RAF stands for

A)

Ready Action Force

B)

Rapid Action Force

C)

Reverse Action Force

D)

Repeat Action Force

View Answer
165) Bolometer is used to measure

A)

frequency

B)

temperature

C)

velocity

D)

wavelength

View Answer
166) Which of the following organizations prepares topographical maps of India?

A)

Geographical Survey of India

B)

Survey of India

C)

Geological Survey of India

D)

Archaeological Survey of India

View Answer
167) The most important ore of lead is

A)

Galena

B)

Magnetite

C)

Pyrolusite

D)

Siderite

View Answer
168) Who among the following had got the Bharat Ratna Award before becoming the President of India?

A)

Dr Zakir Hussian

B)

Dr Rajendra Prasad

C)

Dr S Radhakrishnan

D)

VV Giri

View Answer
169) On which of the following rivers is the Tehri Hydro Power Complex located?

A)

Alaknanda

B)

Mandakini

C)

Dhauli Ganga

D)

Bhagirathi

View Answer
170) Which of the following is not a Rabi crop in India?

A)

Wheat

B)

Barley

C)

Rapeseed

D)

Jute

View Answer
171) Who among the following built the famous Khajuraho Temple?

A)

The Chandella Kings

B)

The Pala Kings

C)

Vikramaditya

D)

The Jaina Monks of Central India

View Answer
172) Namdhapa National Park is in

A)

Mizoram

B)

Manipur

C)

Tripura

D)

Arunachal Pradesh

View Answer
173) Which one of the following is also called the power plants of the cell?

A)

Golgi body

B)

Mitochondrion

C)

Ribosome

D)

Lysosome

View Answer
174) In which of the Parliamentary Financial Committees is the RajyaSabha not represented?

A)

Public Accounts Committee

B)

Estimates Committee

C)

Committee on Public Undertakings

D)

Expenditure Committee

View Answer
175) National Income is the

A)

Net National Product at market price

B)

Net National Product at factor cost

C)

Net Domestic Product at market price

D)

Net Domestic Product at factor cost

View Answer
176) ?C? language is a

A)

low level language

B)

high level language

C)

machine level language

D)

assembly level language

View Answer
177) The density of population in an area is measured by the number of

A)

persons

B)

children

C)

families

D)

houses

View Answer
178) Which of the following schools is associated with Jawaharlal Nehru?

A)

Navyug School

B)

Navodaya School

C)

Sarvodaya School

D)

None of these

View Answer
179) Which nation is Mongia Port situated in?

A)

Sri Lanka

B)

Bangladesh

C)

Bhutan

D)

India

View Answer
180) ?Green House Effect? means

A)

pollution in houses in tropical regions

B)

trapping of solar energy due to atmospheric oxygen

C)

trapping of solar energy due to atmospheric carbon dioxide

D)

cultivation in green houses so as to check pollution

View Answer
181) 12 kg of rice costing ` 30 per kg is mixed with 8 kg of rice costing ` 40 per kg. The average per kg price of mixed rice is

A)

` 38

B)

` 37

C)

` 35

D)

` 34

View Answer
182) A train, 110 m long, is running at as peed of60 km/h. How many seconds does it take to cross another train, 170 m long, standing on parallel track?

A)

15.6

B)

16.8

C)

17.2

D)

18

View Answer
183) Three persons walk from place A to place B. Their speeds are in the ratio 4:3:5. The ratio of the times taken by them to reach B will be

A)

10 : 15 : 13

B)

2 : 3 : 4

C)

15 : 20 : 12

D)

16 : 18 :15

View Answer
184) \[{{\left( \frac{1}{2} \right)}^{-\frac{1}{2}}}\]is equal to

A)

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

B)

\[2\sqrt{2}\]

C)

\[-\sqrt{2}\]

D)

\[\sqrt{2}\]

View Answer
185) How many\[\frac{1}{6}\], s together make \[41\frac{2}{3}\]?

A)

125

B)

150

C)

  250

D)

350

View Answer
186) Who is fourth to the right of R?

A)

Q

B)

P

C)

A

D)

B

View Answer
187) Who is second to the left of D?

A)

B

B)

W

C)

Q

D)

None of these

View Answer
188) Which of the following pairs represents the first and second to the right of W?

A)

QB

B)

DM

C)

MR

D)

None of these

View Answer
189) Who is third to the left of P?

A)

M

B)

R

C)

D

D)

None of these

View Answer
190) In which of the following pairs is the second person sitting to the immediate right of the first person?

A)

RM

B)

QB

C)

MD

D)

AB

View Answer
191) In the phrase ?the birth of man in the consciousness of men?, man stands for

A)

noble human qualities

B)

power and arrogance

C)

an idealistic notion of the human self

D)

egocentricity

View Answer
192) People jeer at the ?birth of man? in the human consciousness when they

A)

restructure the social system

B)

become power hungry

C)

begin to think of themselves as God

D)

becomes mentally deranged

View Answer
193) In this passage, the phrase ?God in man? implies

A)

God having assumed the shape of man

B)

neither fully godly nor fully human

C)

man being transformed into God

D)

the divine qualities in man

View Answer
194) According to the author, ?salvation? of human beings lies in the

A)

orgy of national pride

B)

extended trade relations

C)

spiritual transformation of life

D)

whole-hearted participation in political orgainzations

View Answer
195) The author uses the expression ?ugly deformities? to show his indignation at

A)

the liberation of human consciousness

B)

selfishness and materialism of the people

C)

the drunken orgies of power

D)

political organizations

View Answer
196) In each of the following questions, choose the alternative which is opposite in meaning of the word given in capital letters. CELIBATE

A)

Profligate

B)

Reprobate

C)

Extravagant

D)

Prodigal

View Answer
197) In each of the following questions, choose the alternative which is opposite in meaning of the word given in capital letters. DITHER

A)

Cry

B)

Refer

C)

Decide

D)

Defer

View Answer
198) In each of the following questions, choose the alternative which is opposite in meaning of the word given in capital letters. CONSOLIDATE

A)

Isolate

B)

Weaken

C)

Divide

D)

Identify

View Answer
199) In each of the following questions, choose the alternative which is opposite in meaning of the word given in capital letters. INSOLENT

A)

Agreeable

B)

Coward

C)

Polite

D)

Considerate

View Answer
200) In each of the following questions, choose the alternative which is opposite in meaning of the word given in capital letters. LIABILITY

A)

Assumption

B)

Exemption

C)

Consumption

D)

Presumption

View Answer

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