Solved papers for AFMC AFMC Solved Paper-2006

AFMC Solved Paper-2006 Total Questions - 200

1) A simple pendulum is made of a body which is a hollow sphere containing mercury suspended by means of a wire. If a little mercury is drained off, the period of pendulum will:

A)

remain unchanged

B)

increase

C)

decrease

D)

become erratic

View Answer
2) Two balloons are filled, one with pure He gas and the other by air, respectively. If the pressure and temperature of these balloons are same then the number of molecules per unit volume is:

A)

more in the He filled balloon

B)

same in both balloons

C)

more in air filled balloon

D)

in the ratio of 1 : 4

View Answer
3) For inelastic collision between two spherical rigid bodies:

A)

the total kinetic energy is conserved

B)

the total mechanical energy is not conserved

C)

the linear momentum is not conserved

D)

the linear momentum is conserved

View Answer
4) We consider a thermodynamic system. If \[\Delta U\] represents the increase in its internal energy and IV the work done by the system, which of the following statements is true?

A)

\[\Delta U\] = - W in an adiabatic process

B)

\[\Delta U\] = W in an isothermal process

C)

\[\Delta U\] = - W in an isothermal process

D)

\[\Delta U\] = W in an adiabaitc process

View Answer
5) Aerofils are so designed that the speed of air:

A)

on top side is more than on lower side

B)

on lop side is less than on lower side

C)

is same on both sides

D)

is turbulent

View Answer
6) According to Bernoulli's equation \[\frac{P}{\rho g}+h+\frac{1}{2}\frac{{{v}^{2}}}{g}=cons\tan t\] The terms A. B and C are generally called respectively:

A)

gravitational head, pressure head and velocity head

B)

gravity, gravitational head and velocity head

C)

pressure head. gravitational head and velocity head

D)

gravity, pressure and velocity head

View Answer
7) The time of reverberation of a room A is one second. What will be the lime (in seconds) of reverberation of a room, having all the dimensions double of those of room A?

A)

2

B)

4

C)

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

D)

1

View Answer
8) In refraction, light waves are bent on passing from one medium to the second medium, because, in the second medium:

A)

the frequency is different

B)

the coefficient of elasticity is different

C)

the speed is different

D)

the amplitude is smaller

View Answer
9) Light enters at an angle of incidence in a transparent rod of refractive index of the material of the rod the light once entered into it will not leave it through its lateral face whatsoever be the value of angle of incidence?

A)

\[n>\sqrt{2}\]

B)

n = 1

C)

\[n=1.1\]

D)

n = 1.3

View Answer
10) 27 small drops each having charge q and radius r coalesce to from big drop. How many times charge and capacitance will become?

A)

3, 27

B)

27, 3

C)

27, 27

D)

3, 3

View Answer
11) The magnetic moment has dimensions of:

A)

[LA]

B)

[L2A]

C)

[LT-1A]

D)

[L2T-1A]

View Answer
12) Which of the following circular rods, (given radius r and length 1) each made of the same material and whose ends are maintained at the same temperature will conduct most heat?

A)

\[r=2{{r}_{0}};l=2{{l}_{0}}\]

B)

\[r=2{{r}_{0}};l={{l}_{0}}\]

C)

\[r={{r}_{0}};l={{l}_{0}}\]

D)

\[r={{r}_{0}};l=2{{l}_{0}}\]

View Answer
13) For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is:

A)

2

B)

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

C)

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

D)

\[\sqrt{2}\]

View Answer
14) 300 J of work is done in sliding a 2 kg block up an inclined plane of height 10 m. Taking \[g=10m/{{s}^{2}},\]work done against friction is:

A)

200 J

B)

100 J

C)

zero

D)

1000 J

View Answer
15) Interference was observed in an interference chamber when air was present. Now, the chamber is evacuated and if the same light is used, a careful observation will show:

A)

no interference

B)

interference with bright band

C)

interference with dark bands

D)

interference in which breadth of the fringe will be slightly increased

View Answer
16) When a charged particle moving with velocity \[\overrightarrow{v}\] is subjected to a magnetic field of induction\[\overrightarrow{B,}\]the force on it is non-zero. This implies that:

A)

angle between \[\overrightarrow{v}\] and \[\overrightarrow{B,}\]is necessarily 90°

B)

angle between \[\overrightarrow{v}\] and \[\overrightarrow{B,}\]can have any value other than 90°

C)

angle between \[\overrightarrow{v}\] and \[\overrightarrow{B,}\] can have any value other than zero and 180°

D)

angle between \[\overrightarrow{v}\] and \[\overrightarrow{B,}\] is either zero or 180°

View Answer
17) A particle moves along a straight line OX. At a time t (in seconds) the distance x (in metres) of the particle from O is given by \[x=40+12t-{{t}^{3}}\] How long would the particle travel before coming to rest?

A)

24 m

B)

40 m

C)

56 m

D)

16 m

View Answer
18) Which one of the following statements is true

A)

Both light and sound waves in air are transverse

B)

The sound waves in air are longitudinal while the light waves are transverse

C)

Both light and sound waves in air are longitudinal

D)

Both light and sound waves can travel in vacuum

View Answer
19) When power is drawn from the secondary coil of the transformer, the dynamic resistance:

A)

increases

B)

decreases

C)

remains unchanged

D)

changes erratically

View Answer
20) A reference frame attached to the earth:

A)

is an inertial frame by definition

B)

cannot be an inertial frame because earth is revolving round the sun

C)

is an inertial frame because Newton's law are applicable

D)

is an inertial frame because the earth is rotating about its own axis

View Answer
21) 9Pressure of an ideal gas is increased by keeping temperature constant. What is the effect on kinetic energy of molecules?

A)

Increase

B)

Decrease

C)

No change

D)

Can't be determined

View Answer
22) What maximum frequency can be reflected from ionosphere?

A)

5 MHz

B)

6 GHz

C)

5 kHz

D)

500 MHz

View Answer
23) A telescope has focal length of objective m eyepiece as 200 cm and 5 cm respectively. What is magnification of telescope?

A)

40

B)

80

C)

50

D)

0.01

View Answer
24) A small disc of radius 2 cm is cut from n disc of radius 6 cm. If the distance between their centres is 3.2 cm, what is the shift in the centre of mass of the disc?

A)

0.4 cm

B)

2.4 cm

C)

1.8 cm

D)

1.2 cm

View Answer
25) Which of the following is not a process involved in fabrication of IC?

A)

Polymerization

B)

Diffusion

C)

Photolithography

D)

Metallisation

View Answer
26) Permanent magnet has properties retentivity and coercivity respectively:

A)

high- high

B)

low- low

C)

low- high

D)

high- low

View Answer
27) Hydrogen bomb is based upon:

A)

fission

B)

fusion

C)

chemical reaction

D)

transmutation

View Answer
28) What is not true for equipotential surface for uniform electric field?

A)

Equipotential surface is flat

B)

Equipotential surface is spherical

C)

Electric lines are perpendicular to equipotential surface

D)

Work done is zero

View Answer
29) A closed organ pipe of length 20 cm is sounded with tuning fork in resonance. What is the frequency of tuning fork? (y = 332 m/s)

A)

300 Hz

B)

350 Hz

C)

375 Hz

D)

415 Hz

View Answer
30) The displacement of particle is given by \[x={{a}_{0}}+\frac{{{a}_{1}}t}{2}-\frac{{{a}_{2}}{{t}^{2}}}{3}\]What is its acceleration?

A)

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

B)

\[-\frac{2{{a}_{2}}}{3}\]

C)

\[{{a}_{2}}\]

D)

Zero

View Answer
31) The area of the acceleration-displacement curve of a body gives:

A)

impulse

B)

change in momentum per unit mass

C)

change in KE per unit mass

D)

total change in energy

View Answer
32) The speed of earth's rotation about its axis is \[\omega \]. Its speed is increased to x times to make the effective acceleration due to gravity equal to zero at the equator. Then x is:

A)

1

B)

8.5

C)

17

D)

34

View Answer
33) Hard X-rays for the study of fractures in bones should have a minimum wavelength of 10-11 m. The accelerating voltage for electrons in X-ray machine should be:

A)

< 124 kV

B)

> 124 RV

C)

between 60 kV and 70 kV

D)

= 100 kV

View Answer
34) In photoelectric effect, the electrons are ejected from metals if the incident light has a certain minimum:

A)

wavelength

B)

frequency

C)

amplitude

D)

angle of incidence

View Answer
35) A capacitor having capacitance 1\[\mu \]F with air, is filled with two dielectrics as shown. How many times   capacitance will increase?

A)

12

B)

6

C)

8/3

D)

3

View Answer
36) A leaf which contains only green pigments, is illuminated by a laser light of wavelength 0.6328\[\mu m\]. It would appear to be:

A)

brown

B)

black

C)

red

D)

green

View Answer
37) The operation of a nuclear reactor is said to be critical, if the multiplication factor (k) has a value:

A)

1

B)

1.5

C)

2.1

D)

2.5

View Answer
38) A galvanometer having a resistance of 8\[\Omega \] is shunted by a wire of resistance 2\[\Omega \]. If the total current is 1 A, the part of it passing through the shunt will be:

A)

0.25 A

B)

0.8 A

C)

0.2 A

D)

0.5 A

View Answer
39) Flash light equipped with a new set of batteries, produces bright white light. As the batteries wear out:

A)

the light intensity gets reduced with no change in its color

B)

light color changes first to yellow and then red with no change in intensity

C)

it stops working suddenly while giving white light

D)

color changes to red and also intensity gets reduced

View Answer
40) If alpha, beta and gamma rays carry same momentum, which has the longest wavelength?

A)

Alpha rays

B)

Beta rays

C)

Gamma rays

D)

None, all have same wavelength

View Answer
41) An amplifier has a voltage gain Ay = 1000. The voltage gain in dB is:

A)

30 dB

B)

60 dB

C)

3 dB

D)

20 dB

View Answer
42) When you make ice cubes, the entropy of water:

A)

does not change

B)

increases

C)

decreases

D)

may either increase or decrease depending on the process used

View Answer
43) Half- lives of two radioactive substances A and 3 are respectively 20 min and 40 min. Initially the samples of A and B have equal number of nuclei. After 80 min the ratio of remaining number of A and B nuclei is:

A)

1 : 16

B)

4 : 1

C)

1 : 4

D)

1 : 1

View Answer
44) Given that y = A sin \[\left[ \left( \frac{2\pi }{\lambda }(ct-x \right) \right],\]where y and x are measured in metres. Which of the following statements is true?

A)

The unit of \[\lambda \] is same as that of x and A

B)

The unit of \[\left( ct-x \right)\]is same as that of x but not of A

C)

The unit of c is same as that of \[\frac{2\pi }{\lambda }\]

D)

The unit of (ct - x) is same as that of \[\frac{2\pi }{\lambda }\]

View Answer
45) A projectile is thrown in the upward direction making an angle of 600 with the horizontal direction with a velocity of 147 ms-1. Then the time after which its inclination with the horizontal is 45°, is:

A)

15 s

B)

10.98 s

C)

5.49 s

D)

2.745 s

View Answer
46) A motor cycle is going on an over bridge of radius R. The driver maintains a constant speed. As the motor cycle is ascending on the over bridge the normal force on it:

A)

In creases

B)

decreases

C)

remains the same

D)

fluctuates erratically

View Answer
47) If we throw a body upwards with velocity of 4 m/s, at what height does its kinetic energy reduce to half of the initial value? (Take g= 10 ms-2)

A)

4 m

B)

2 m

C)

1 m

D)

0.4 m

View Answer
48) Two glass plates are separated by water. If surface tension of water is 75 dynes/cm and 1 area of each plate wetted by water is \[8\text{ }c{{m}^{2}}\]and) the distance between the plates is 0.12 mm, then the force applied to separate the two plates is:

A)

102 dyne

B)

104 dyne

C)

105 dyne

D)

106 dyne

View Answer
49) Which of the following is true for rays coming from infinity?

A)

Two images are formed

B)

Continuous image is formed between focal points of upper and lower lens

C)

One image is formed

D)

None of the above

View Answer
50) The north pole of a long horizontal bar magnet is being brought closer to a vertical conducting plane along the perpendicular direction. The direction of the induced current in the conducting plane will be:

A)

horizontal

B)

vertical

C)

clockwise

D)

anticlockwise

View Answer
51) Calcium carbide reacts with\[{{\text{H}}_{\text{2}}}\text{O}\] to produce :

A)

ethane

B)

methane

C)

ethylene

D)

acetylene

View Answer
52) RNA differ from DNA in respect of base :

A)

thyamine

B)

adenine

C)

cytosine

D)

guanine

View Answer
53) The oxidation number of nitrogen in \[\text{NaN}{{\text{O}}_{\text{2}}}\]is:

A)

\[\text{+3}\]

B)

+5

C)

-3

D)

-5

View Answer
54) Bauxite is an ore of:

A)

Al

B)

Ca

C)

Cu

D)

                       Ni

View Answer
55) The best source of vitamin A is :

A)

beans

B)

pulses

C)

orange

D)

carrot

View Answer
56) Plaster of parts is :

A)

\[CaS{{O}_{4}}.\frac{1}{2}{{H}_{2}}O\]

B)

\[CaS{{O}_{4}}.2{{H}_{2}}O\]

C)

\[CaS{{O}_{4}}.{{H}_{2}}O\]

D)

\[CaS{{O}_{4}}.4{{H}_{2}}O\]

View Answer
57) Penicillin is :

A)

analgesic

B)

antipyretic

C)

antimalarials

D)

antibiotic

View Answer
58) The most stable compound is :

A)

LiF

B)

LiCi

C)

LiBr

D)

Lil

View Answer
59) Heavy water is :

A)

\[CaS{{O}_{4}}\]

B)

water contain \[CaS{{O}_{4}},MgS{{O}_{4}}\]

C)

\[{{D}_{2}}P\]

D)

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

View Answer
60) When copper reacts with hot and conc. \[{{H}_{2}}S{{O}_{4}},\] gives :

A)

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

B)

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

C)

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

D)

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

View Answer
61) \[\text{Ba}{{\text{O}}_{\text{2}}}\]and ozone reacts to produce :

A)

Ba

B)

\[B{{a}_{2}}{{O}_{3}}\]

C)

BaO

D)

\[Ba{{(OH)}_{3}}\]

View Answer
62) Heisenberg uncertainty principle can be explained as :

A)

\[\Delta x\ge \frac{\Delta P\times h}{4\pi }\]

B)

\[\Delta x\times \Delta P\ge \frac{h}{4\pi }\]

C)

\[\Delta x\times \Delta P\ge \frac{h}{\pi }\]

D)

\[\Delta P\ge \frac{\pi h}{\Delta x}\]

View Answer
63) A gas mixture contains \[{{\text{O}}_{\text{2}}}\] and \[{{\text{N}}_{\text{2}}}\]in the ratio of 1: 4 by weight. The ratio of their number of molecules is :

A)

1:8

B)

1 : 4

C)

3: 16

D)

7: 32

View Answer
64) Bleaching powder is obtained by treating \[\text{C}{{\text{l}}_{2}}\]with :

A)

\[Ca{{(OH)}_{2}}\]

B)

\[CaO\]

C)

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

D)

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

View Answer
65) Magnalium contains :

A)

\[Mg+Al\]

B)

\[Mg+Cu\]

C)

\[Mg+Fe\]

D)

\[Mg+Mn\]

View Answer
66) The de-Broglie wavelenght of a particle with mass 1 kg and velocity 100 m/s is :

A)

\[6.6\times {{10}^{-33}}m\]

B)

\[6.6\times {{10}^{-36}}m\]

C)

\[3.3\times {{10}^{+33}}m\]

D)

\[3.3\times {{10}^{-36}}m\]

View Answer
67) The volume of a gas measured at \[{{27}^{o}}C\] and 1 atm pressure is 10 L. To reduce the volume to 2 L at 1 atm. pressure, the temperature required is:

A)

60 K

B)

75 K

C)

150 K

D)

225 K

View Answer
68) Isotonic solutions have :

A)

same vapour pressure

B)

same osmotic pressure

C)

same boiling point

D)

same temperature

View Answer
69) Epsom salt is :

A)

\[BaS{{O}_{4}}.2{{H}_{2}}O\]

B)

\[CaS{{O}_{4}}-{{H}_{2}}O\]

C)

\[MgS{{O}_{4}}.2{{H}_{2}}O\]

D)

\[~MgS{{O}_{4}}.7{{H}_{2}}O\]

View Answer
70) Paracetamol is an :

A)

analgesic

B)

antipyretic

C)

both (a) and (b)

D)

none of the above

View Answer
71) The number of moles of oxygen obtained by the electrolytic decomposition of 108 g water is:

A)

2.5

B)

3

C)

5

D)

7.5

View Answer
72) The change in entropy for the fusion, of 1 mole of ice is [mp of ice = 273 K, molar enthalpy of fusion for ice\[=6.0\,kJ\,mo{{l}^{-1}}\]]

A)

\[11.73\text{ }J{{K}^{-1}}\text{ }mo{{l}^{-1}}\]

B)

\[18.84\text{ }J{{K}^{-1}}\text{ }mo{{l}^{-1}}\]

C)

\[~21.97J{{K}^{-1}}\text{ }mo{{l}^{-1}}\]

D)

\[24.47\text{ }J{{K}^{-1}}\text{ }mo{{l}^{-1}}\]

View Answer
73) Which does not give a precipitate with \[\text{AgN}{{\text{O}}_{\text{3}}}\] solution?

A)

\[[Co{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}\]

B)

\[[Co{{(N{{H}_{3}})}_{5}}Cl]C{{l}_{2}}\]

C)

\[[Co{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]Cl\]

D)

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

View Answer
74) Total volume of atoms present in a face centred cubic unit cell of a metal is : (r is atomic radius)

A)

\[\frac{16}{3}\pi {{r}^{3}}\]

B)

\[\frac{20}{3}\pi {{r}^{3}}\]

C)

\[\frac{24}{3}\pi {{r}^{3}}\]

D)

\[\frac{12}{3}\pi {{r}^{3}}\]

View Answer
75) Pure silicon doped with phosphorus is a :

A)

metallic conductor

B)

insulator

C)

n-type semiconductor

D)

p-type semiconductor

View Answer
76) Neutron is discovered by :

A)

Chadwick

B)

Rutherford

C)

Yukawa

D)

Dalton Neutron is discovered by Chadwick.

View Answer
77) What is X in the following nuclear reaction? \[_{7}{{N}^{14}}{{+}_{1}}{{H}^{1}}{{\xrightarrow{{}}}_{8}}{{O}^{15}}+X\]

A)

\[_{0}{{n}^{1}}\]

B)

\[_{-1}{{e}^{0}}\]

C)

\[_{+1}{{e}^{0}}\]

D)

\[\gamma \]

View Answer
78) Solubility product of \[\text{PbC}{{\text{l}}_{\text{2}}}\]at 298 K is \[\text{1}\times {{10}^{-6}}.\]At this temperature solubility of \[\text{PbC}{{\text{l}}_{\text{2}}}\]in mol/L is :

A)

\[{{(1\times {{10}^{-6}})}^{1/2}}\]

B)

\[{{(1\times {{10}^{-6}})}^{1/3}}\]

C)

\[{{(0.25\times {{10}^{-6}})}^{1/3}}\]

D)

\[{{(0.25\times {{10}^{-6}})}^{1/2}}\]

View Answer
79) The pH of a 0.001 M solution of \[HCl\]is :

A)

0

B)

3

C)

5

D)

10

View Answer
80) Gold number is associated with :

A)

amount of gold

B)

protective colloids

C)

purple of cassius

D)

electrophoresis

View Answer
81) Noble gases are used in discharge tubes to give different colours. Reddish-orange glow is due to :

A)

Ar

B)

Ne

C)

Xe

D)

Kr

View Answer
82) The set representing the correct order for first ionisation potential is :

A)

K > Na > Li

B)

Be > Mg > Ca

C)

B > C > N

D)

Ge > Si > C

View Answer
83) Dry ice is :

A)

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

B)

solid camphor

C)

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

D)

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

View Answer
84) Methanol and ethanol are miscible in water due to:

A)

covalent character

B)

hydrogen bonding character

C)

oxygen bonding character

D)

none of the above

View Answer
85) Stereoisomers differ in:

A)

configuration

B)

conformation

C)

they do not differ

D)

none of the above

View Answer
86) IUPAC name of the following compound :

A)

N, N-dimethylcyclopropanecarboxamide

B)

N-methylcyclopropanamide

C)

cyclopropionamide

D)

none of the above

View Answer
87) The product of following reaction is : \[2C{{H}_{3}}MgBr+C{{H}_{2}}O\xrightarrow{{}}\]

A)

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

B)

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

C)

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

D)

\[{{C}_{2}}{{H}_{6}}\]

View Answer
88) Freon used as refrigerant is :

A)

\[C{{F}_{2}}=C{{F}_{2}}\]

B)

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

C)

\[CC{{l}_{2}}{{F}_{2}}\]

D)

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

View Answer
89) Lucas reagent is:

A)

anhy. \[ZnC{{l}_{2}}\]and \[N{{H}_{3}}\]

B)

anhy. \[ZnC{{l}_{2}}\]and \[CaC{{l}_{2}}\]

C)

anhy. \[ZnC{{l}_{2}}\]and cone. \[HCl\]

D)

anhy. \[ZnC{{l}_{2}}\] and \[HCl\]gas

View Answer
90) The enzyme which can catalyse the conversion of glucose to ethanol is :

A)

zymase

B)

invertase

C)

maltase

D)

diastase

View Answer
91) When dihydroxy acetone reacts with \[\text{HI}{{\text{O}}_{\text{4}}}\text{,}\]the product is/are :

A)

HCHO

B)

HCOOH

C)

HCHO and HCOOH

D)

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

View Answer
92) Which of the following does not reduce Fehling's solution?

A)

Benzaldehyde

B)

Formic acid

C)

Glucose

D)

Fructose

View Answer
93) Sodium formate on heating gives:

A)

oxalic acid and \[{{\text{H}}_{\text{2}}}\]

B)

sodium oxalate and \[{{\text{H}}_{\text{2}}}\]

C)

sodium oxalate

D)

\[\text{C}{{\text{O}}_{2}}\]and caustic soda

View Answer
94) Reaction of ethyl formate with excess of \[\text{C}{{\text{H}}_{\text{3}}}\text{Mgl}\]followed by hydrolysis gives :

A)

n-propyi alcohol

B)

isopropyi alcohol

C)

acetaldehyde

D)

acetone

View Answer
95) Hydrolysis of phenyl isocyanide forms :

A)

benzoic acid

B)

formic acid

C)

acetic acid

D)

none of these

View Answer
96) Styrene can be purified by :

A)

simple distillation

B)

fractional distillation

C)

steam distillation

D)

vacuum distillation

View Answer
97) Which of the following is not reducing sugar?

A)

Glucose

B)

Fructose

C)

Lactose

D)

Sucrose

View Answer
98) The monomer of teflon is:

A)

\[CHF=C{{H}_{2}}\]

B)

\[C{{F}_{2}}=C{{F}_{2}}\]

C)

\[CHCl=CHCl\]

D)

\[CHF=CHCl\]

View Answer
99) The hybridisation state of carbon in fullerene is :

A)

\[sp\]

B)

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

C)

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

D)

\[s{{p}^{3}}d\]

View Answer
100) A fruity smell is produced by the reaction of \[{{C}_{2}}{{H}_{2}}OH\]with:

A)

\[~C{{H}_{3}}COC{{H}_{3}}\]

B)

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

C)

\[PC{{l}_{5}}\]

D)

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

View Answer
101) \[N{{a}^{+}}-{{K}^{+}}\]pump is found in membranes of many cells, like nerve cells. It works against electro chemical gradient and involve an integral protein ATPase. For each molecule of ATP used :

A)

3 ions of \[N{{a}^{+}}\]are pumped out and two \[{{K}^{+}}\]are taken in

B)

3 ions of \[N{{a}^{+}}\]are taken in and \[2{{K}^{+}}\]are pumped out

C)

2 ions of\[N{{a}^{+}}\]are thrown out and \[3{{K}^{+}}\] are absorbed

D)

3 ions of \[{{K}^{+}}\] are absorbed and \[3N{{a}^{+}}\] are pumped out

View Answer
102) According to the Neo-Darwinian theory which of the following is responsible for the origin of new species?

A)

Mutations

B)

Useful variations

C)

Mutations together with natural selection

D)

Hybridization

View Answer
103) Enzymes found attached to inner membrane of mitochondria instead of matrix is/are :

A)

succinic dehydrogenase

B)

cytochrome oxidase

C)

both (a) and (b)

D)

malicdehydrogenose

View Answer
104) VAM are :

A)

saprophytic bacteria

B)

saprophytic fungi

C)

symbiotic fungi

D)

symbiatic bacteria

View Answer
105) Part of the plant which is cultured to obtain virus free clones is :

A)

Leaf

B)

Root tip

C)

shoottip

D)

embryo

View Answer
106) If we ignore the effect of crossing over, how many different haploid cells arise by meiosis in a diploid cell having\[2n=12\]?

A)

8

B)

16

C)

32

D)

64

View Answer
107) Double fertilization is fusion of :

A)

two eggs

B)

two eggs and polar nuclei

C)

one male gamete with egg and other with synergid

D)

one male gamete with egg and other with secondary nucleus

View Answer
108) Inheritance of ?ABO? blood group shows :

A)

polyploidy

B)

incomplete dominance

C)

multipleallelism

D)

polygeny

View Answer
109) Photosynthetic enhancement with flashing light was first observed by :

A)

Benson and Calvin

B)

Hill and Calvin

C)

Hatch and Slack

D)

Emerson and Arnold

View Answer
110) Gibberellin was first extracted from :

A)

Gibberellafujikuroi

B)

Gelidium

C)

Gracelaria

D)

Aspergillus

View Answer
111) In E. coli. an operator gene combine with :

A)

inducer gene to switch on structural gene action

B)

inducer gene to switch off structural gene action

C)

regulator protein (repressor) to switch off structural gene action

D)

regulator protein to switch on gene action

View Answer
112) Slime moulds in the division Myxomycota (true slime moulds) have :

A)

pseudoplasmodia

B)

sproes that develop into free living amoeboid cells

C)

spores that develop into flagellated gametes

D)

feeding stages consisting of solitary individual cells

View Answer
113) The stage of Ornithine cycle at which arginase enzyme is used :

A)

\[\text{Ornithine}\to \text{citrulline}\]

B)

\[\text{arginine}\to \text{Ornithine}\]

C)

\[\text{citrulline}\to \text{arginosuccinic acid}\]

D)

\[\text{Ornithine}\to \text{urea}\]

View Answer
114) Immunodeficiency makes a person highly susceptible to infection. It is caused by :

A)

lack of B cells

B)

lack of T cells

C)

lack of both B and T cells

D)

none of the above

View Answer
115) At retrogressive metamorphosis the uro chordate larva :

A)

loss notochord

B)

loss tail

C)

experience reduction of nervous system to a visceral ganglion

D)

all of the above

View Answer
116) A species inhabiting different geographical area is known as :

A)

Allopatric

B)

Sympatric

C)

Biospecies

D)

Sibling species

View Answer
117) Pedogamy is the term where :

A)

actual fusion never occur

B)

gametes tend to fuse but fusion product never survive

C)

the conjugation takes place between parent cell and a bud

D)

such term is never known in fungi

View Answer
118) Which type of respiratory organs are present in spiders and scropions ?

A)

book lungs

B)

gills

C)

gill books

D)

lungs

View Answer
119) Energy storage at consumer level is called:

A)

gross primary productivity

B)

secondly productivity

C)

net primary productivity

D)

net productivity

View Answer
120) After examining the blood groups of husband and wife, the doctor advised them not to have more than one child, the blood group of the couple are likely to be :

A)

male\[R{{h}^{-}}\] and female \[\text{R}{{\text{h}}^{+}}\]

B)

female\[R{{h}^{-}}\] and male \[\text{R}{{\text{h}}^{+}}\]

C)

male\[\text{R}{{\text{h}}^{+}}\] and female \[\text{R}{{\text{h}}^{+}}\]

D)

male\[R{{h}^{-}}\] and female \[R{{h}^{-}}\]

View Answer
121) In fishes the lateral line receptors are neuromast organs. These are :

A)

olfactoreceptors

B)

gustatoreceptors

C)

rheoreceptors

D)

chemoreceptors

View Answer
122) How many hearts are found in earth worm?

A)

8 (four pairs)

B)

2 (one pair)

C)

6 (three pairs)

D)

12 (six pairs)

View Answer
123) Schizocoelomates and enterocoelomates are:

A)

acoelomates

B)

true coelomates

C)

invertebrates

D)

echinoderms only

View Answer
124) \[C{{O}_{2}}\] is transported as :

A)

dissolved in blood plasma

B)

as carbonic acid

C)

incarbaminohaemoglobin

D)

ascarbaminohaemoglobin and carbonic acid

View Answer
125) Which of the damaged cells cannot be repaired?

A)

Liver cells

B)

Brain cells

C)

Bone cells

D)

Epidermal cells

View Answer
126) Superficial meroblastic cleavage occurs in :

A)

reptiles

B)

birds

C)

mammals

D)

insects

View Answer
127) Axolotl larva of Ambyostoma normally fails to metamorphose due to:

A)

lack of Ca and Mg ions in water

B)

absence of phosphorus in water

C)

lack of iodine in water or diet

D)

high concentration of iodine in body

View Answer
128) Kreb?s cycle was discovered by Krebs in pigeon muscles in 1940. Which step is called gateway step/link reaction/transition reaction in respiration?

A)

Glycolysis

B)

Formation of acetyl-coA

C)

citric acid formation

D)

ETS terminal oxidation

View Answer
129) When released from ovary, human egg contain :

A)

one Y chromosome

B)

two X chromosome

C)

one X chromosome

D)

XY chromosome

View Answer
130) In the body, the membrane surrounding the bone is known as :

A)

periosteum

B)

endosteum

C)

perichondrium

D)

chondrocytes

View Answer
131) Carbamates pesticides act by combining with acetylcholine esterase enzyme. Which one of the following is a carbamate?

A)

Propoxur (baygon)

B)

Aldicarb (temik)

C)

Carbofuran (furadan)

D)

All of the above

View Answer
132) Some organisms resemble other organisms and thus escape from enemies. This henomenon is known as :

A)

homology

B)

variation

C)

analogy

D)

mimicry

View Answer
133) Recent reports of acid rains in big industrial cities are due to the effect of atmospheric pollution by:

A)

morerelase of \[N{{O}_{2}}\] and \[S{{O}_{2}}\] by burning of fossil fuels

B)

morerelase of \[C{{O}_{2}}\] by burning of coal/wood cutting of forests and increasingpopultions

C)

excessive release of \[N{{H}_{3}}\] by coal gas/industries

D)

excessive release of \[CO\] by incomplete combustion of carbonaceous fuels

View Answer
134) There is more competition for survival between :

A)

different animals of same niche

B)

same animals of same niche

C)

different animals of different niche

D)

same animals of different niche

View Answer
135) Which set includes pathogenic Arthropods ?

A)

Tse-tse fly, mosquito, flea-plague

B)

Crab, Culex, spider

C)

Anopheles, Culex, cray fish

D)

Silver fish, house fly, s and fly

View Answer
136) In polytene chromosomes dark bands are visible. These bands are formed by the aposition of:

A)

protein particles

B)

chromomeres on chromonemata

C)

nucleosomes

D)

none

View Answer
137) In the blind spot where the optic nerves leaves the eyes :

A)

rods and cones are absent

B)

only cones are present

C)

only rods are present

D)

special neurons are present

View Answer
138) Which of the following blood vessels in the circulatory system of frog has moreoxygenated blood ?

A)

Pulmocutaneous artery

B)

Pulmocutaneous vein

C)

Pulmonary artery

D)

Precaval veins

View Answer
139) The enzyme, which helps to cut one strand of DNA duplex to release tension of coiling of two strands is :

A)

DNA ligase

B)

DNA polymerase

C)

topo-isomerase

D)

swielases (helicase or unwindases)

View Answer
140) Blood vascular system in hemichordata is :

A)

open

B)

reduced

C)

closed

D)

absent

View Answer
141) The nitrogeneous metabolic waste in Hydra is mostly :

A)

ammonia and is removed from whole surface of body

B)

urea and is removed mainly by tentacles

C)

urea and is removed from whole surface of body

D)

uric acid and is removed from whole surface of body

View Answer
142) Anaemia is due to deficiency of :

A)

\[Ca\]

B)

\[Fe\]

C)

\[Mg\]

D)

\[P\]

View Answer
143) Mechanical support, enzyme circulation, protein synthesis and detoxification of drugs are function of:

A)

ER

B)

ribosomes

C)

dictyosome

D)

chloroplast

View Answer
144) Characteristic of mammalian liver is :

A)

Kupffer?s cells and leucocytes

B)

Leucocytes and canaliculae

C)

Glisson?s capsules and Kupffer cells

D)

Glisson?s capsules and leucocytes

View Answer
145) Synthesis of amino acids to prove that amino acids were formed in primitive ocean was experimentaly proved by :

A)

Sydeny Fox

B)

Oparin

C)

Haldane

D)

Stanley Miller

View Answer
146) Bacterial flagella do not show ATPase activity and 9 + 2 organization. These are chemically:

A)

flagellin

B)

pilin

C)

tubulin

D)

bacterin

View Answer
147) Phytochromes are :

A)

chemicals regulating flowering

B)

chemicals regulating growth from seed to adulthood

C)

hormones regulating growth from seed to adult hood

D)

regulators synthesized by plants and influencing physiological process

View Answer
148) Certain bacteria living in the soil poor in oxygen convert nitrates into nitrites and then to free nitrogen and such bacteria are termed as:

A)

nitrogen fixing bacteria

B)

denitrifying bacteria

C)

ammonifying bacteria

D)

saprophytic bacteria

View Answer
149) Food chain is a series of population which starts with producers. Its is concerning with :

A)

biotic components only

B)

energy flow and transfer of nutrients

C)

both (a) and (b)

D)

biotic and decomposers

View Answer
150) The leaf less stem of onion which is produced to bear flower is called :

A)

thalamus

B)

scape

C)

torus

D)

Pedicel

View Answer
151) Sudden breaking of rock-layers below the earth, results:

A)

earthquakes

B)

valcones

C)

floods

D)

cyclones

View Answer
152) How may members in RajyaSabha are nominated by President of India?

A)

12

B)

13

C)

9

D)

14

View Answer
153) Which one of the following is the deepest lake in the world?

A)

Dal lake

B)

Naini lake

C)

Wolan lake

D)

Baikal lake

View Answer
154) Which one of the following state has the largest land area?

A)

Madhya Pradesh

B)

Uttar Pradesh

C)

Maharashtra

D)

Rajasthan

View Answer
155) Tides are caused by :

A)

gravitational pull of the sun and moon

B)

                violent activity under sea

C)

                high pressure formed on the sea

D)

                seismic vibration under earth

View Answer
156) At which place did Mahavir get enlightment?

A)

Samath

B)

Vaishali

C)

Lumbini

D)

Gaya

View Answer
157) Duck is associated in which of the following sprots

A)

Cricket

B)

Basket ball

C)

Golf

D)

Hockey

View Answer
158) The battler of HaldiGhati was fought in :

A)

1756 BC

B)

1756 AD

C)

1576 BC

D)

1576 AD

View Answer
159) Who decides the question of disqualification of a member of parliament?

A)

                The Election Commission

B)

                The Supreme Court

C)

                The President

D)

                The Speaker

View Answer
160) Lunar space craft is used for :

A)

                study of the each from satellite

B)

                study of energy liberated by sun

C)

                transmission of radio-signal

D)

                study of moon

View Answer
161) In which of the following movement Mahatma Gandhi gave the slogan ?Do or die??

A)

                Khilafat movement

B)

                Dandi march

C)

                Non-cooperation movement

D)

                Quit-cooperation movement

View Answer
162) Which one of the following is capital of Danmark?

A)

Copen-hagen

B)

Tokyo

C)

Rome

D)

Otawa

View Answer
163) Which of the following country is the largest producer of copper?

A)

Russia

B)

India

C)

Japan

D)

USA

View Answer
164) The abbreviation of ?BARC? stand for :

A)

                Bhabha Atomic Research Centre

B)

                Bharat Atomic Reactor Centre

C)

                Baroda Artificial Rayon Corporation

D)

                Bharat Aluminium Rea search Corporation

View Answer
165) The pH value is a measure of:

A)

                acidity of aqueous solution

B)

                concentration of dissolved impurities

C)

                alkalinity of aqueous solution

D)

                salinity of aqueous solution

View Answer
166)  ?Biwi Ka Maqbara? is the tomb of:

A)

                Wife of Aurangzeb

B)

Nurjahan

C)

                Mumtaj Mahal

D)

Sister of Hymayun

View Answer
167) What was the name of the town established by Akbar?

A)

Agra

B)

Fatehpur Sikari

C)

Nizamabad

D)

Delhi

View Answer
168) Who was the ruler of India who transferred his capital from Delhi to Daultabad or Devagiri?

A)

Mohd. Tughlak

B)

FerozTughlak

C)

Aurangjeb

D)

AllauddinKhalzi

View Answer
169) India became World Champion in cricket in :

A)

1979

B)

1975

C)

1984

D)

1983

View Answer
170) In which of the following cities is head quarters of the Unit Trust of India located?

A)

Mumbai

B)

New Delhi

C)

Chennai

D)

Ahmedabad

View Answer
171) Fill in the blanks. 2Z5, 7Y7, 14X9, 23W11, 34V13,.........

A)

27U24

B)

47U15

C)

45U15

D)

47V14

View Answer
172) Fill in the blanks. CAT, FDW, IGZ,.........

A)

KTC

B)

LJC

C)

KJA

D)

LHD

View Answer
173) The least number divisible by 12, 15, 20 and is a perfect square, is :

A)

900

B)

400

C)

36

D)

256

View Answer
174) The mean proportional between (2+ % 3) and (8 - v/48)is :

A)

2

B)

2 : 3

C)

3

D)

3 : 1

View Answer
175) How many times will a wheel of diameter105 cm rotate in covering a distance of 330 m?

A)

100 revolutions

B)

110 revolutions

C)

90 revolutions

D)

105 revolutions

View Answer
176) If the two parallel sides of a trapezium are 15 cm and 25 cm respectively and the distance between them is 7 cm, then the area of the trapezium is :

A)

\[105c{{m}^{2}}\]

B)

\[125c{{m}^{2}}\]

C)

\[140c{{m}^{2}}\]

D)

none of these

View Answer
177) The multiplicative inverse of \[\left( \frac{1}{2}+\frac{1}{3} \right)-1\]is :

A)

6

B)

-6

C)

5

D)

\[\frac{1}{6}\]

View Answer
178) If \[\text{111}.\text{744}\div \text{28}.\text{8}=\text{ 3}.\text{88},\] then the value of \[\text{1117}.\text{44}+\text{288}\] is:

A)

3.88

B)

0.388

C)

388.0

D)

38.8

View Answer
179) 4 buses runs between Bhopal and Gwalior. If a man goes from Gwalior to Bhopal by a bus and comes back to Gwalior by another bus, then the total possible ways are :

A)

12

B)

16

C)

4

D)

8

View Answer
180) How many words comprising of any three letters of the word UNIVERSAL can be formed :

A)

504

B)

405

C)

540

D)

450

View Answer
181) I found his crude manners abominable.

A)

detestable

B)

flattering

C)

attractive

D)

sloppy

View Answer
182) The rebels returned home under an amnesty.

A)

                general pardon

B)

                financial assistance

C)

                police security

D)

                threat

View Answer
183) A posthumous award was given to the poet.

A)

postal

B)

after death

C)

creditable

D)

literary

View Answer
184) I doubt the veracity of your statement.

A)

tenacity

B)

wisdom

C)

truthfulness

D)

reliability

View Answer
185) Would you please rectify the mistake ?

A)

forget

B)

clarify

C)

condone

D)

regularize

View Answer
186) He appears to be a phoney person.

A)

beautiful

B)

unread

C)

genuine

D)

ugly

View Answer
187) He was in a dejected mood.

A)

jubilant

B)

rejected

C)

irritable

D)

romantic

View Answer
188) Philosophers say that the world is an illusion.

A)

a fiction

B)

a reality

C)

an actuality

D)

a truth

View Answer
189) There was a marked deterioration in his condition.

A)

improvement

B)

revision

C)

reformation

D)

amendment

View Answer
190) This offer has come as a great boon to me.

A)

curse

B)

blemish

C)

tension

D)

misfortune

View Answer
191) Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error, your answer is (d).

A)

\[\frac{M\text{y friend is}\,\text{equally}}{(a)}\text{,}\]

B)

\[\frac{\text{hard working and intelligent}}{(b)}\text{, }\]

C)

\[\frac{\text{as your sister}}{(c)}\text{,}\]

D)

\[\frac{\text{No error}.}{(d)}\]

View Answer
192) Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error, your answer is (d).

A)

\[\frac{\text{I enquired of him}}{(a)}\text{,}\]

B)

\[\frac{\text{ why he is so negligent }}{(b)},\]

C)

\[\frac{\text{in his studies}.}{(c)}\]

D)

\[\frac{\text{No error}.}{(d)}\]

View Answer
193) Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error, your answer is (d).

A)

\[\frac{\text{They had been}}{(a)}\]

B)

\[\frac{\text{very close friends }}{(b)}\]

C)

\[\frac{\text{unless they quarrelled}.\text{ }}{(c)}\]

D)

\[\frac{\text{No error}.}{(d)}\]

View Answer
194) Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error, your answer is (d).

A)

\[\frac{\text{May I know}}{(a)}\]

B)

\[\frac{\text{who you want}}{(b)}\]

C)

\[\frac{\text{to see please}.~}{(c)}\]

D)

\[\frac{\text{No error}~}{(d)}\]

View Answer
195) Some of the following sentences are grammatically incorrect and some are correct. Find out which part of a sentence has an error and mark that part. If there is no error, your answer is (d).

A)

\[\frac{c\text{hildren often}}{(a)}\]

B)

\[\frac{\text{quarrel on}}{(b)}\]

C)

\[\frac{\text{petty issues}\text{.}}{(c)}\]

D)

\[\frac{\text{No error}\text{.}}{(d)}\]

View Answer
196) The U.S. Soya bean :                 P : in the developing world                 Q : and when famine strikes                 R : is America?s single most lucrative export                 S : American soya beans are a major source of high protein sustenance

A)

                R Q S P

B)

P R S Q

C)

                P S R Q

D)

R Q P S

View Answer
197) The ancient people of Mediterranean :                 P : like a horse with a long horn                 Q : believed in the existence of the unicorn                 R : on its forehead                 S : a mythical animal supposed to look

A)

P R Q S

B)

R S Q P

C)

                Q S P R

D)

Q P S R

View Answer
198) The exhibition committee :                 P : attractive and useful                 Q : to make the exhibition                 R : making efforts                 S : has been

A)

                S R P Q

B)

Q P S R

C)

                Q P R S

D)

S R Q P

View Answer
199) You must leave a note :                 P : otherwise she will be terribly worried                 Q : for your mother                 R : at the usual hour                 S : if you are not back home

A)

Q P S R

B)

Q P R S

C)

                S R Q P

D)

S R P Q

View Answer
200) Though he was only a child : P: he often worked much harder Q: than was either necessary R: in order to please his parents S: or good for him

A)

P Q S R

B)

R P Q S

C)

R Q S P

D)

P R Q S

View Answer

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