Solved papers for AIIMS AIIMS Solved Paper-2002

AIIMS Solved Paper-2002 Total Questions - 200

1) The path difference for destructive interference is:

A)

\[{{T}^{2}}=k{{R}^{3}}\]

B)

\[\frac{{{T}_{2}}}{{{T}_{1}}}={{\left( \frac{{{R}_{2}}}{{{R}_{1}}} \right)}^{3/2}}={{\left( \frac{1.01R}{R} \right)}^{3/2}}\]

C)

\[\Rightarrow \]

D)

\[\frac{{{T}_{2}}}{{{T}_{1}}}={{(1+0.01)}^{3/2}}=1+\frac{3}{2}\times 0.01\]

View Answer
2) A black body is at a temperature 300 K. It emits energy at a rate, which is proportional to :

A)

\[{{(300)}^{4}}\]

B)

                                      \[{{(300)}^{3}}\]

C)

\[{{(300)}^{2}}\]

D)

      300

View Answer
3) The density of a substance at 0°C is 10 g/cc and at 100°C, its density is 9.7 g/cc. The coefficient of linear expansion of the substance is:

A)

\[{{10}^{-4}}\]

B)

                      \[{{10}^{-2}}\]

C)

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

D)

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

View Answer
4) The kinetic energy of a body becomes four times its initial value. The new linear momentum will be:

A)

eight times that of initial value

B)

four times that of initial value

C)

twice of the initial value

D)

remain as the initial value

View Answer
5) The dimension of torque is:

A)

\[\frac{\Delta T}{T}\times 100=\left( \frac{{{T}_{2}}}{{{T}_{1}}}-1 \right)\times 100\]

B)

      \[=\frac{3}{2}\times 0.01\times 100\]

C)

\[=1.5%\]

D)

\[Y=3K(1-2\sigma )\]

View Answer
6) A 0 K temperature, a p-type semiconductor:

A)

has equal numbers of holes and free electrons

B)

has few holes but no free electrons

C)

has few holes and few free electrons

D)

does not have any charge carrier

View Answer
7) Velocity of light is equal to:

A)

\[Y=3K(1-2\sigma )\]

B)

\[{{I}_{1}}\]

C)

\[{{I}_{2}}\]

D)

\[\phi \]

View Answer
8) The coefficients of mutual inductance when magnetic flux changes by \[2\times {{10}^{-2}}\,Wb\] and current changes by 0.01 A, will be:

A)

8H

B)

      4H

C)

3H

D)

2H

View Answer
9) When a wire is stretched and its radium becomes r/2 then its resistance will be:

A)

zero

B)

2R

C)

8R

D)

16R

View Answer
10) If equation of a sound wave is \[y=0.0015\,\sin \,(62.8x+314t)\] then its wavelength will be:

A)

2 unit

B)

0.3 unit

C)

0.1 unit

D)

0.2 unit Key Idea:

View Answer
11) The latent heat of vaporization of water is 2240 J. If the work done in the process of vaporization of 1 g is 168 J, then increase in internal energy will be:

A)

1904 J

B)

2072 J

C)

      2240 J

D)

2408 J

View Answer
12) Scent sprayer is based on:

A)

Bernoullis theorem

B)

Archimedes principle

C)

Charles law

D)

Boyles law

View Answer
13) If \[I={{I}_{1}}+{{I}_{2}}+2\sqrt{{{I}_{1}}{{I}_{2}}}\cos \phi \] be orbital velocity of a satellite in a circular orbital close to the earths surface and \[\cos \phi =-1\] is escape velocity from earth, then relation between the two is:

A)

\[\phi =\pi ,3\pi ,5\pi ,.................\]

B)

      \[\phi =(2\pi +1)\pi \,n=1,2,3,..............\]

C)

\[=\frac{2\pi }{\lambda }\times \]

D)

\[\Rightarrow \]

View Answer
14) At the uppermost point of a projectile its velocity and acceleration are at an angle of:

A)

180°

B)

      90°

C)

60°

D)

45°

View Answer
15) If the vectors \[\vec{P}=a\hat{i}+a\hat{j}+3\hat{k}\] and \[=\frac{(2n+1)\lambda }{2}\]are perpendicular to each other then the positive value of a is:

A)

zero

B)

      1

C)

2

D)

3

View Answer
16) The speed of an electron having wavelength of \[{{10}^{-10}}m\] is:

A)

\[\frac{E}{E}=-\frac{2Q}{Q}\]

B)

      \[\Rightarrow \]

C)

                      \[E=-\frac{E}{2}\]

D)

                      \[3.9\Omega \]

View Answer
17) Hubbles law is related with:

A)

planetary motion

B)

speed of galaxy

C)

                      black hole

D)

      comet

View Answer
18) The Cauchys formula is:

A)

\[\therefore \]

B)

\[V=E-ir\]

C)

\[i=\frac{E}{R+r}\]

D)

\[\therefore \]

View Answer
19) How many electrons make up a charge of 20 \[V=E-\left( \frac{E}{R+r} \right)r\]C?

A)

\[1.25\,\times {{10}^{14}}\]

B)

                      \[2.23\,\times {{10}^{14}}\]

C)

\[3.25\,\times {{10}^{14}}\]

D)

                      \[5.25\,\times {{10}^{14}}\]

View Answer
20) The value of current gain \[\alpha \] of a transistor is 0.98. The value of \[\beta \] will be:

A)

490

B)

                                      4.9

C)

59

D)

49

View Answer
21) Light of wavelength 6000\[E=2V,\,r=0.1\Omega ,R=3.9\Omega \] is reflected at nearly normal incidence from a soap films of refractive index 1.4. The least thickness of the fringe then will appear black is:

A)

infinity

B)

                                                      200\[V=2-\left( \frac{2}{3.9+0.1} \right)\times 0.1\]

C)

      2000 \[V=1.95V\]

D)

                      1000\[{{m}_{1}}{{u}_{1}}={{m}_{2}}{{v}_{2}}\]

View Answer
22) A ray of light is incident on the surface of plate of glass of refractive index 1.5 at the polarizing angle. The angle of refraction of the ray will be:

A)

33.7°

B)

                                                      43.7°

C)

23.7°

D)

53.7°

View Answer
23) Which one of the following does not support the wave nature of light?

A)

Photoelectric effect

B)

Interference

C)

Polarization

D)

Diffraction

View Answer
24) The capacitors \[{{u}_{1}}=1m/s=0.05kg,{{v}_{2}}=30m/s\]have a capacitance \[\Rightarrow \] each and \[{{C}_{2}}\] has capacitance \[{{m}_{1}}\times 1=0.05\times 30\]. The effective capacitance between a and will be:

A)

\[\Rightarrow \]

B)

                      \[{{m}_{1}}=1.5kg\]

C)

\[{{k}_{1}}\]

D)

\[{{y}_{1}}\]

View Answer
25) A siren emitting sound of frequency 800 Hz is going away from a static listener with a speed of 30 m/s. Frequency of sound to be heard by the listener is : (velocity of sound = 330 m/s)

A)

286-SHz

B)

481.2Hz

C)

7333Hz

D)

644.8 Hz

View Answer
26) The volume of a gas is reduced adiabatically to (1/4) of its volume at 27°C. If y = 1.4. The new temperature will be:

A)

\[{{k}_{2}}\]

B)

      \[{{y}_{2}}\]

C)

      \[y={{y}_{1}}+{{y}_{2}}\]

D)

                      none of these

View Answer
27) The velocities of sound at same temperature in two monoaromic gases densities \[{{k}_{1}}\] and \[{{F}_{1}}=-{{k}_{1}}{{y}_{1}}\] are \[{{F}_{2}}=-{{k}_{2}}{{y}_{2}}\]and \[{{k}_{2}}\] respectively, if\[{{k}_{1}}\], then, the value of \[{{k}_{2}}{{F}_{1}}+{{k}_{1}}{{F}_{2}}=-{{k}_{1}}{{k}_{2}}({{y}_{1}}+{{y}_{2}})=-{{k}_{1}}{{k}_{2}}y\] will be:

A)

4

B)

                      2

C)

\[{{F}_{1}}={{F}_{2}}=F(say)\]

D)

\[({{k}_{1}}+{{k}_{2}})F=-{{k}_{1}}{{k}_{2}}y\]

View Answer
28) The maximum range of a gun from horizontal terrain is 16 km. If \[g=10\,m/{{s}^{2}}\] what must be the muzzle velocity of the shell?

A)

400 m/s

B)

200 m/s

C)

100 m/s

D)

50 m/s

View Answer
29) Three different objects of masses \[F=-\frac{{{k}_{1}}{{k}_{2}}}{{{k}_{1}}+{{k}_{2}}}y\] and \[\frac{{{k}_{1}}{{k}_{2}}}{{{k}_{1}}+{{k}_{2}}}\] are allowed to fall from rest and from the same point O along three different frictionless paths. The speeds of three objects on reaching the ground will be:

A)

\[n=\frac{1}{2\pi }\sqrt{\frac{{{k}_{1}}{{k}_{2}}}{({{k}_{1}}+{{k}_{2}})m}}\]

B)

      \[\frac{1}{k}=\frac{1}{{{k}_{1}}}+\frac{1}{{{k}_{2}}}\]

C)

\[k=\frac{{{k}_{1}}{{k}_{2}}}{{{k}_{1}}+{{k}_{2}}}\]

D)

      \[n=\frac{1}{2\pi }\sqrt{\frac{k}{m}}\]

View Answer
30) The radius of earth is about 6400 km and that of mars is about 3200 km. The mass of the earth is about 10 times the mass of mars. An object weighs 200 N on earths surface, then its weight on the surface of mars will be:

A)

80 N

B)

      40 N

C)

20 N

D)

8 N

View Answer
31) A satellite is launched in co a circular orbit of radius R around the earth, while a second satellite is launched into an orbit of radius 1.01 R. The period of the second satellite is longer than the first one by approximately:

A)

3.0%

B)

      1.5%

C)

      0.7%

D)

1.0%

View Answer
32) The bulk modulus of a metal is \[{{10}^{10}}\,N/{{m}^{2}}\] and Poissons ratio 0.20. If average distance between the molecules is 3 \[=\frac{1}{2\pi }\sqrt{\frac{{{k}_{1}}{{k}_{2}}}{({{k}_{1}}+{{k}_{2}})m}}\]. then the interatomic force constant is:

A)

5.4 N/m

B)

                      75 N/m

C)

7.5 N/m

D)

30 N/m

View Answer
33) A soap bubble in vacuum has a radius 3 cm and another soap bubble in vacuum has radius 4 cm. If two bubbles coalesce under isothermal condition, then the radius of the new bubble will be:

A)

7 cm

B)

      5 cm

C)

      4.5 cm

D)

2.3 cm

View Answer
34) At what temperature the speed of sound in air will become double of its value at 27°?

A)

54° C

B)

                      627 °C

C)

      927° C

D)

327° C

View Answer
35) A string in a musical instrument is 50 cm long and its fundamental frequency is 800 Hz. If the frequency of 1000 Hz is to be produced, then required length of string is:

A)

37.5cm

B)

      40cm

C)

      50cm

D)

62.5cm

View Answer
36) A conducting sphere of radius 10 cm is charged with 10 \[=\frac{Force}{Length}=\frac{[ML{{T}^{-2}}]}{[L]}=[M{{T}^{-2}}]\]C. Another uncharged sphere of radius 20 cm is allowed to touch it for some time. After that if the spheres are separated, then surface density of charges on the spheres will be in the ratio of:

A)

1 : 1

B)

                                      4 : 1

C)

1 : 3

D)

1 : 4

View Answer
37) An electric bulb marked 40 W and 200 V, is used in a circuit of supply voltage 100 V. Now, its power is:

A)

10 W

B)

                      20 W

C)

      40 W

D)

100 W

View Answer
38) A moving coil galvanometer is convened into an ammeter reads upto 0.03 A by connecting a shunt of resistance 4r across it and ammeter reads upto 0.06 A, when a shunt of resistance r is used. What is the maximum current which can be sent through this galvanometer if shunt is used?

A)

0.04 A

B)

                                      0.03 A

C)

      0.02 A

D)

0.01 A

View Answer
39) Light of wavelength \[4000\,\overset{\text{o}}{\mathop{\text{A}}}\,\] is incident on metal plate whose work function is 2 eV. What is maximum kinetic energy of emitted photoelectron?

A)

0.5 eV

B)

                      1.1 eV

C)

      2.0 eV

D)

1.5 eV

View Answer
40) The flux of a-panicle at 2° is \[1\times {{10}^{6}}\]. The flux of \[[ML{{T}^{-2}}]\]-parade at angle 60° is:

A)

1.5

B)

                      2.5

C)

0.5

D)

5.5

View Answer
41) Assertion: Colored spectrum is seen when we look through a muslin cloth. Reason: It is due to the diffraction of white light on passing through fine slits.

A)

A

B)

                      B

C)

                      C

D)

D

E)

E

View Answer
42) Assertion: The knowledge of Albedo helps us to estimate the atmosphere of planet. Reason: The clouds are not good reflect of light.

A)

A

B)

       B

C)

       C

D)

       D

E)

                 E

View Answer
43) Assertion: When a tiny circular obstacle is placed in the path of light from some distance, a bright spot is seen at the centre of shadow the obstacle. Reason: Destructive interference occur the centre of the shadow.

A)

A

B)

                                      B

C)

      C

D)

D

E)

E

View Answer
44) Assertion: The quantity L/R possesses dimensions of time. Reason: To reduce the rate of increase of current through a solenoid should we increase the time constant (L/R).

A)

A

B)

                      B

C)

      C

D)

D

E)

E

View Answer
45) Assertion: In a simple battery circuit the point of lowest potential is positive terminal of the battery. Reason: The current flows towards the point of the higher potential as it flows in such a circuit from the negative to the positive terminal.

A)

A

B)

      B

C)

      C

D)

D

E)

E

View Answer
46) Assertion: In SHM, the motion is to and fro and periodic. Reason: Velocity of the particle, \[=[M{{L}^{-1}}{{T}^{-2}}]\] (where x is displacement)

A)

A

B)

                      B

C)

      C

D)

D

E)

E

View Answer
47) Assertion: Stress is the internal force per unit area of a body. Reason: Rubber is more elastic than steel.

A)

A

B)

B

C)

      C

D)

D

E)

E

View Answer
48) Assertion: In an elastic collision of two billiard balls, the total KE is conserved during the short rime of collision of the balls (Le., when they are in contact.) Reason: Energy spent against friction does not follow the law of conservation of energy.

A)

A

B)

      B

C)

      C

D)

D

E)

E

View Answer
49) Assertion: Thin films such as soap bubble or a thin layer of oil on water show beautiful colours when illuminated by white light. Reason: It happens due to the interference of light reflected from the upper surface of the thin film.

A)

A

B)

                      B

C)

      C

D)

D

E)

E

View Answer
50) Assertion: We cannot think of magnetic field confirmation with three poles. Reason: A bar magnet does exert a torque on itself due to its own field.

A)

A

B)

                                      B

C)

C

D)

D

E)

E

View Answer
51) Assertion: Faradays laws are consequences of conservation of energy. Reason: In a purely resistive AC circuit, the current lags behind the emf in phase.

A)

A

B)

      B

C)

      C

D)

D

E)

E

View Answer
52) Assertion: Woollen clothes keep the body warm in winter. Reason: Air is a bad conductor of heat.

A)

A

B)

      B

C)

      C

D)

D

E)

E

View Answer
53) Assertion: The time period of pendulum on satellite orbiting the earth is infinity. Reason: Time period of a pendulum is inversely proportional to \[[M{{L}^{2}}{{T}^{-1}}]\].

A)

A

B)

                      B

C)

      C

D)

D

E)

E

View Answer
54) Assertion: Retardation is directly opposite to the velocity. Reason: Retardation is equal to the time rate of decrease of speed.

A)

A

B)

                                      B

C)

      C

D)

D

E)

E

View Answer
55) Assertion: The dimensional formula for relative velocity is same as that of the rate of change in velocity. Reason: Relative velocity of P w.r.t. Q is the ratio of velocity of P and that of Q.

A)

A

B)

                                      B

C)

C

D)

D

E)

E Relative velocity of P with respect to Q                                  = velocity of P - velocity of Q Hence, relative velocity will have dimensions of velocity. \[{{V}_{0}}\] Also rate of change of velocity is acceleration. Hence, it has dimensions of \[{{V}_{e}}\]

View Answer
56) Assertion: If three capacitors of capacitances \[\alpha =\frac{\Delta {{i}_{C}}}{\Delta {{i}_{g}}}\] are connected in parallel then their equivalent capacitance \[\Delta {{i}_{C}}\] Reason: \[\Delta {{i}_{g}}\]

A)

A

B)

                      B

C)

C

D)

D

E)

E

View Answer
57) Assertion : First law of thermodynamics does not forbid flow of heat from lower temperature to higher temperature, Reason: Hear supplied to a system always equal to the increase in its internal energy.

A)

A

B)

                                      B

C)

      C

D)

D

E)

E

View Answer
58) Assertion : Speed of wave \[\alpha =0.96,\Delta {{i}_{E}}=7.2,\] Reason: Wavelength is the distance between two nearest particles in phase.

A)

A

B)

                      B

C)

      C

D)

D

E)

E

View Answer
59) Assertion: Electric lines of force never cross each other. Reason: Electric field at a point superimpose to give one resultant electric field.

A)

A

B)

                                      B

C)

      C

D)

D

E)

E

View Answer
60) Assertion: The air bubble shines in wan Reason: Air bubble in water shines due refraction of light.

A)

A

B)

                      B

C)

      C

D)

D

E)

E

View Answer
61) In Sandmeyers reaction the salt involved is:

A)

diazonium salt

B)

cupramonium salt

C)

ferrous salt

D)

       ammonium salt

View Answer
62) Enzymes having two sites are:

A)

conjugate enzyme

B)

apoenzyme

C)

holoenzyme

D)

allosteric enzyme

View Answer
63) A chiral compound is:

A)

2, 3, 4- trimethyl hexane

B)

n- hexane

C)

methane

D)

n-butane

View Answer
64) An \[A{{B}_{2}}\] type of structure is present in:

A)

\[NaCl\]

B)

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

C)

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

D)

       \[Ca{{F}_{2}}\]

View Answer
65) The compound having highest dipole moment is:

A)

\[\underset{C{{H}_{3}}}{\overset{Cl}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,=\underset{Cl}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,\]

B)

       \[\underset{C{{H}_{3}}}{\overset{H}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,=\underset{H}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,\]

C)



D)

       \[\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,=\underset{H}{\overset{H}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,\]

View Answer
66) The kinetic energy of two moles of \[{{N}_{2}}\] at \[{{27}^{o}}C\] is (\[(R=8.24\,J{{K}^{-1}}mo{{l}^{-1}})\]

A)

\[5491.6\text{ }J\]

B)

       \[6491.6\text{ }J\]

C)

\[7491.6\text{ }J\]

D)

\[8882.4\text{ }J\]

View Answer
67) The weight of one molecule of a compound \[{{C}_{60}}{{H}_{122}}\] is:

A)

\[1.3\times {{10}^{-20}}g\]

B)

\[5.01\times {{10}^{-21}}g\]

C)

       \[3.72\times {{10}^{23}}g\]

D)

      \[1.4\times {{10}^{-21}}g\]

View Answer
68) The halide having highest melting point is:

A)

\[NaF\]

B)

       \[NaCl\]

C)

       \[NaBr\]

D)

       \[NaI\]

View Answer
69) At \[{{25}^{o}}C\] the pH of a solution containing 0.10 M sodium acetate and 0.03 M acetic acid is: [\[_{p}{{K}_{a}}\] value of \[C{{H}_{3}}COOH=4.57\]]

A)

\[3.24\]

B)

       \[4.59\]

C)

       \[5.09\]

D)

       \[6.67\]

View Answer
70) The enthalpy of formation of ammonia is \[=46.0\,kJ\,mo{{l}^{-1}}\]. The enthalpy change for following reaction is : \[2N{{H}_{3}}\xrightarrow{{}}{{N}_{2}}+3{{H}_{2}}\]

A)

42.0kJ

B)

       64.0kJ

C)

       86.0kJ

D)

       92.0kJ

View Answer
71) The molecule having highest bond energy is:

A)

\[N-N\]

B)

       \[F-F\]

C)

       \[C-C\]

D)

       \[O-O\]

View Answer
72) Liquid ammonia and liquor ammonia are:

A)

same

B)

       different

C)

       allotropes

D)

       isotopes

View Answer
73) Thermite is a mixture of iron oxide and:

A)

aluminium powder

B)

zinc powder

C)

potassium metal

D)

sodium metal

View Answer
74) The size of\[C-C\] bond in benzene is:

A)

\[1.54\overset{\text{o}}{\mathop{\text{A}}}\,\]

B)

       \[1.39\overset{\text{o}}{\mathop{\text{A}}}\,\]

C)

       \[1.22\overset{\text{o}}{\mathop{\text{A}}}\,\]

D)

       \[1.21\overset{\text{o}}{\mathop{\text{A}}}\,\]

View Answer
75) Hydrogen is produced by the reaction:

A)

\[N{{a}_{2}}{{O}_{2}}+2HCl\]

B)

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

C)

       \[Ba{{O}_{2}}+HCl\]

D)

       \[{{H}_{2}}{{S}_{4}}{{O}_{8}}+{{H}_{2}}O\]

View Answer
76) At \[{{80}^{o}}C({{H}_{3}}{{O}^{+}})\] of distilled water is \[{{10}^{-6}}\] mol/L. At the same temperature the value of \[{{K}_{w}}\] is:

A)

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

B)

\[1\times {{10}^{-6}}\]

C)

       \[1\times {{10}^{-9}}\]

D)

       \[1\times {{10}^{-12}}\]

View Answer
77) Which of the following is an iron ore?

A)

Cassiterite

B)

       Magnetite

C)

       Galena

D)

       Copper pyrite

View Answer
78) Propyne and propene can be distinguished by:

A)

dil. \[KMn{{O}_{4}}\]

B)

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

C)

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

D)

\[B{{r}_{2}}\] in \[CC{{l}_{4}}\]

View Answer
79) The number of a and n bonds present in pent-1- ene-4-yne is:

A)

3, 10

B)

       9, 4

C)

4, 9

D)

       10, 3

View Answer
80) Acetylene and dil. \[{{H}_{2}}S{{O}_{4}}\] reacts to produce:

A)

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

B)

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

C)

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

D)

       none of these

View Answer
81) \[{{C}_{2}}{{H}_{5}}OH+SOC{{l}_{2}}\xrightarrow{pyridine}\] \[{{C}_{2}}{{H}_{5}}Cl+S{{O}_{2}}+HCl\] The above reaction is known as:

A)

Williamsons synthesis

B)

Hoffmanns reaction

C)

Mendius reaction

D)

Darzens process

View Answer
82) Methyl orange comes under:

A)

mordant dye

B)

       nitro dye

C)

       acid dye

D)

       basic dye

View Answer
83) Cyanohydrin can easily be prepared from:

A)

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

B)

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

C)

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

D)

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

View Answer
84) Quantum numbers of an atom can be defined on the basis of:

A)

Aufbaus principle

B)

Heisenbergs uncertainty principle

C)

Hunds rule

D)

Paulis exclusion principle

View Answer
85) The half-life of a substance in a first order reaction is 15 min. The rate constant is:

A)

\[2.46\times {{10}^{2}}\text{ }mi{{n}^{-1}}\]

B)

\[4.62\times {{10}^{-2}}{{\min }^{-1}}\]

C)

\[6.74\times {{10}^{-2}}{{\min }^{-1}}\]

D)

\[7.18\times {{10}^{2}}{{\min }^{-1}}\]

View Answer
86) The tribasic acid is:

A)

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

B)

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

C)

       \[{{H}_{3}}P{{O}_{2}}\]

D)

       \[{{H}_{4}}{{P}_{2}}{{O}_{7}}\]

View Answer
87) Oxidation number of Fe in \[F{{e}_{3}}{{O}_{4}}\] is:

A)

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

B)

       \[\frac{2}{6}\]

C)

\[\frac{8}{3}\]

D)

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

View Answer
88) Which of the electronic configuration shows noble gas?

A)

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

B)

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

C)

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

D)

\[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{4}}\]

View Answer
89) Acetone can easily be converted into propane by the action of:

A)

\[HI\]

B)

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

C)

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

D)

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

View Answer
90) 1000 g calcium carbonate solution contains 10g carbonate. The concentration of solution is:

A)

\[10ppm\]

B)

       \[100ppm\]

C)

       \[1000ppm\]

D)

       \[10,000ppm\]

View Answer
91) The monomer of teflon is:

A)

tetra chloroethylene

B)

tetra bromoethylene

C)

tetra iodoethylene

D)

tetra fluoroethylene

View Answer
92) The most stable ion is:

A)

\[C{{H}_{3}}\overset{+}{\mathop{C{{H}_{2}}}}\,\]

B)

       \[{{(C{{H}_{3}})}_{2}}\overset{+}{\mathop{CH}}\,\]

C)

                       \[{{(C{{H}_{3}})}_{3}}{{C}^{+}}\]

D)

       \[{{C}_{6}}{{H}_{5}}\overset{+}{\mathop{C{{H}_{2}}}}\,\]

View Answer
93) The IUPAC name of following compound is: \[C{{H}_{3}}-C{{(C{{H}_{3}})}_{2}}-CH=C{{(C{{H}_{3}})}_{2}}\]

A)

1, 1, 3, 3-tetramethyl-but-1- ene

B)

1, 3, 3-trimethyl-pent-2-ene

C)

2, 2, 4-trimethyl but-4-ene

D)

2, 4, 4-trimethyl pent-2-ene

View Answer
94) \[{{H}_{2}}+C{{l}_{2}}\xrightarrow{Sunlight}2HCl\] In the above reaction the order of reaction is:

A)

3

B)

       2

C)

                       0

D)

       1

View Answer
95) The mass of 70% \[{{H}_{2}}S{{O}_{4}}\] required for neutralization of one mole of \[NaOH\] is:

A)

70 g

B)

       35 g

C)

30 g

D)

       95 g

View Answer
96) Schottky defect defines imperfection in the lattice structure of a:

A)

gas

B)

       plasma

C)

                      liquid

D)

       solid

View Answer
97)  A compound possess 8% sulphur by mass. The least molecular mass is:

A)

200

B)

       400

C)

155

D)

       355

View Answer
98)  The solubility of \[AgCl\] in \[0.2\text{ }M\,NaCl\] is: \[[{{K}_{sp}}AgCl=1.8\times {{10}^{-10}}]\]

A)

\[1.8\times {{10}^{-11}}M\]

B)

       \[9\times {{10}^{-10}}M\]

C)

\[6.5\times {{10}^{-12}}M\]

D)

       \[5.6\times {{10}^{-11}}M\]

View Answer
99) Lucas test is used for:

A)

aldehydes

B)

       alkyl halides

C)

       alcohols

D)

       acids

View Answer
100) Phenol \[\xrightarrow[{{H}^{+}}]{CHC{{l}_{3}}/NaOH}\] salicylaldehyde The; above reaction is known as:

A)

Reimer-Tiemann reaction

B)

Bucherer reaction

C)

Gattermann synthesis

D)

Perkin reaction

View Answer
101) Assertion: Stannous chloride is a powerful oxidising agent which oxidises mercuric chloride to mercury. Reason: Stannous chloride gives grey precipitate with mercuric chloride, but stannic chloride does not do so.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
102) Assertion: Physical absorption of molecules takes place on surface only. Reason: In this process, the bonds of the absorbed molecules are broken.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
103) Assertion: The fluorine has lower reactivity. Reason: \[F-F\] bond has low bond dissociation energy.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
104) Assertion: Absolute values of internal energy of substance cannot be determined; Reason: It is impossible to determine exact valuer or constituent energies of the substances.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
105) Assertion: Mass and volume are extensive properties. Reason: Mass/volume is also an extensive parameter.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
106) Assertion: Work done by an ideal gas during reversible isothermal expansion is zero. Reason: In vacuum external pressure against which expansion occur is zero.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
107) Assertion: DNA molecules and RNA molecules are found in the nucleus of a cell. Reason: On heating the enzyme do not lose their specific activity.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
108) Assertion: Halogens absorb visible light. Reason: All halogens are coloured.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
109) Assertion: The first ionisation energy of Be is greater than boron. Reason: 2p orbitals have lower energy than 25 orbitals.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
110) Assertion: K and Cs are used in photo-electric cells. Reason: K and Cs emit electrons on exposure to light.

A)

A

B)

       B

C)

C

D)

D

E)

E

View Answer
111) Assertion: \[\sigma \] is strong while n is a weak bond. Reason: Atoms rotate freely about n bond.

A)

A

B)

       B

C)

C

D)

D

E)

E

View Answer
112) Assertion: A beam of electrons deflects more than a beam of a-particles in an electric field. Reason: Electrons possess negative charge while \[\alpha \] -particles possess positive charge,

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
113) Assertion: -Alcohol and phenol can be distinguished by sodium hydroxide. Reason: Phenol is acidic while alcohol is neutral.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
114) Assertion: Acetophenone and benzop- henone can be distinguished byiodoform test. Reason: Acetophenone and benzophenone both are carbonyl compounds.

A)

A

B)

B

C)

C

D)

       D

E)

E

View Answer
115) Assertion: Potassium ferrocyanide and potassium ferricyanite both are diamagnetic. Reason: Both have unpaired electrons.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
116) Assertion: Benzene is reactive while inorganic benzene is unreactive compound. Reason: Inorganic benzene is borazine, \[{{B}_{3}}{{N}_{3}}{{H}_{6}}\].

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
117) Assertion: Isotonic solution do not show the phenomenon of osmosis. Reason: Isotonic solutions have equal osmotic pressure.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
118) Assertion: \[CC{{l}_{4}}\] and \[{{H}_{2}}O\] are immiscible. Reason: \[CC{{l}_{4}}\] is a polar solvent.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
119) Assertion: All amino acids exist as Zwitter ions. Reason: Amino acids have both \[-N{{H}_{2}}\] and \[-COOH\] group.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
120) Assertion: o and p-nitrophenols can be separated by steam distillation. Reason: o-nitrophenol have intra-molecular hydrogen bonding while p-nitrophenol exists as associated molecules.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
121) Frame shift mutation occurs when:

A)

base is added

B)

base is deleted

C)

base is added or deleted

D)

none of the above

View Answer
122) A chromosome with centromere at one end is called:

A)

telocentric

B)

      metacentric

C)

      excentric

D)

      apocentric

View Answer
123) In glycolysis, glucose molecule is converted in to:

A)

PEP

B)

      RuBP

C)

acetyl Co-A

D)

      pyruvic acid

View Answer
124) Algae are useful because they:

A)

purify the atmosphere

B)

are large in number

C)

are used in fermentation

D)

are used to study respiration

View Answer
125) Introduction of foreign gene for improving genotype is called:

A)

tissue culture

B)

vernalization

C)

genetic engineering

D)

eugenics

View Answer
126) Pure line breed refers to:

A)

homozygosity

B)

heterozygosity

C)

      linkage

D)

      both (b) and (c)

View Answer
127) If a homozygous red flowered plant is crossed with a homozygous white flowered plant, the offsprings would be:

A)

all red flowered

B)

half red flowered

C)

half white flowered

D)

all white flowered

View Answer
128) Bud dormancy can be induced by:

A)

IAA

B)

      GA

C)

      ABA

D)

      Ethylene

View Answer
129) Xenia refers to effect of pollen on:

A)

endosperm

B)

stems

C)

taste of fruits

D)

      vascular tissue

View Answer
130) The plant body of Funaria is:

A)

sporophyte

B)

gametophyte

C)

predominantly sporophyte with independent gametophyte

D)

predominantly gametophyte with dependent sporophyte

View Answer
131) Elaters help in dispersal of spores of:

A)

Riccia

B)

Marchantia

C)

Dryopteris

D)

      Funaria

View Answer
132) The nature          of megasporophyll of Cycas is similar to:

A)

stamen

B)

carpel

C)

sepal

D)

      petal

View Answer
133) Which of following type of anther is found in Malvaceae?

A)

Monothecous

B)

Dithecous

C)

      Polythecous

D)

      Without thecous

View Answer
134) Which of the following helps in respiration of Lichens?

A)

Isidia

B)

Soredia

C)

      Cyphella

D)

      Cephalodia

View Answer
135) Green mufler is useful against:

A)

air pollution

B)

noise pollution

C)

soil pollution

D)

radioactive pollution

View Answer
136) Passage cells are found in:

A)

endodermis

B)

pericycle

C)

      cortex

D)

      epiblemma

View Answer
137) Which of the following organelle is related with photorespiration?

A)

Peroxisome

B)

Chloroplast

C)

Mitochondria

D)

      Lysosome

View Answer
138) Proteins are:

A)

polysaccharides

B)

polyamides

C)

      polynucleotides

D)

      polyglycol

View Answer
139) Wobble hypothesis was given by:

A)

F.H.C. Crick

B)

Nirenberg

C)

      Holley

D)

      Khorana

View Answer
140) Fascicular cambium is the cambium of vascular bundle of:

A)

monocot stem

B)

dicot stem

C)

      monocot leaf

D)

      dicot leaf

View Answer
141) Mesophyll is usually differentiated in:

A)

monocot leaf

B)

isobilateral leaf

C)

      dorsiventral leaf

D)

      both (a) and (b)

View Answer
142) Which of the following gives fehlings test?

A)

Pectin

B)

Sucrose

C)

      Cellulose

D)

      Glucose

View Answer
143) The nicotinamide is synthesized in our body from:

A)

tryptophan

B)

trvosine

C)

valine

D)

      alanine

View Answer
144) Curdling of milk in small intestine takes place due to:

A)

rennin

B)

trypsin

C)

      chymotrypsin

D)

      ptylase

View Answer
145) Lysis of foreign cell is mediated through

A)

IgM

B)

IgA

C)

      IgE

D)

      IgM and lgG

View Answer
146) Which of the following has minimum pH?

A)

Bile

B)

Saliva

C)

Gastric juice

D)

      Pancreatic juice

View Answer
147) The places of first, second and third moulting of Ascaris larva are:

A)

soil, alveoli, lung

B)

liver, soil, stomad

C)

soil, lung, liver

D)

      soil, intestine,

View Answer
148) Which of following teeth are lophodont?

A)

Incisor and canine

B)

Premolar and molar

C)

Canine and premolar

D)

Premolar and incisor

View Answer
149) Cyclosporine is used:

A)

for allergy

B)

as immunodepressent

C)

prophylactic for virus

D)

none of the above

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

A)

Spicules

B)

Hold fast

C)

      Spongin fibres

D)

      Tentacles

View Answer
151) Hydra receives impulses and stimu through:

A)

nerve cells

B)

sensory cells

C)

      neuron cell

D)

      nematocysts

View Answer
152) Adults of Wauchereria bancrofti attacks:

A)

kidney

B)

heart

C)

nervous system

D)

      lymph vessel

View Answer
153) Ploidy of ovum of angiosperms is:

A)

haploid

B)

diploid

C)

triploid

D)

      polyploid

View Answer
154) Anaerobic respiration, after glycolysis is also called as:

A)

fermentation

B)

fragmentation

C)

      restoration

D)

      multiplication

View Answer
155) Which of the following are uricotelic animals?

A)

Rohu, frog

B)

Camel, frog

C)

      Lizard, crow

D)

      Eagles, earthworm

View Answer
156) Sharpeys perforating fibers are related with:

A)

heart contraction

B)

muscle relaxation

C)

fixing of teeth

D)

none of these

View Answer
157) Whartons duct is the duct of:

A)

parotid gland

B)

submandibular salivary gland

C)

submaxillary gland

D)

pancreatic gland

View Answer
158) In Entamoeba histolytica, the presence of chromatid bodies is characteristic of:

A)

precystic stage

B)

trophozoite stage

C)

mature binucleate stage

D)

both (a) and (b)

View Answer
159) The cranial capacity was largest among them:

A)

Peking man

B)

African man

C)

      Java ape man

D)

      Neanderthal man

View Answer
160) MO. The phagocytosis was first of all seen by:

A)

Huxley

B)

                                      Haeckel

C)

Matchnikoff

D)

      Darwin

View Answer
161) Assertion: Collenchyma is thick walled dead tissue. Reason: Collenchymatous cells show thickenings of pectin.

A)

A

B)

                                      B

C)

      C

D)

      D

E)

E

View Answer
162) Assertion: Bacterial photosynthesis occurs by utilizing wavelength longer than 700 nm. Reason: Here reaction center is P-890.

A)

A

B)

                                      B

C)

      C

D)

      D

E)

E

View Answer
163) Assertion: The two cotyledons in seed are embryonic leaves. Reason: The embryo contain radicle and plumule.

A)

A

B)

B

C)

C

D)

                      D

E)

E

View Answer
164) Assertion: Systematics is the branch of biology that deals with classification of living organisms. Reason: The aim of classification is to group the organisms.

A)

A

B)

                                      B

C)

      C

D)

      D

E)

E

View Answer
165) Assertion: The megaspore mother cell divide mitotically to produce four spores. Reason: Megaspore mother cells are diploid and megaspore is haploid.

A)

A

B)

                                      B

C)

C

D)

      D

E)

E

View Answer
166) Assertion: Six molecules of \[C{{O}_{2}}\] and twelve molecules of \[NADP{{H}^{+}}+{{H}^{+}}\] and 18 ATP are used to form one hexose molecules. Reason: Light reaction results in formation of ATP and \[NADP{{H}_{2}}\].

A)

A

B)

                                      B

C)

      C

D)

      D

E)

E

View Answer
167) Assertion: Plasmids are single-stranded extra chromosomal DNA. Reason: Plasmids are usually present in eukaryotic cells.

A)

A

B)

                                                      B

C)

C

D)

      D

E)

E

View Answer
168) Assertion: m-RNA attaches to ribosome through its 3 end. Reason: The m-RNA has F-capsular nucleotide and bases of lagging sequence,

A)

A

B)

                      B

C)

C

D)

      D

E)

E

View Answer
169) Assertion: Organisms are made up of cells. Reason: Cell are structural unit of living organisms. A cell keeps its chemical composition steady within its boundary.

A)

A

B)

                      B

C)

      C

D)

      D

E)

E

View Answer
170) Assertion: Clones are produced by sexual reproduction and same sexual process. Reason: These are prepared by group of cells descended from many cells or by inbreeding of a heterozygous line.

A)

A

B)

                      B

C)

      C

D)

      D

E)

E

View Answer
171) Assertion: Living organisms are regarded as closed systems. Reason: Energy of living organisms cannot be lost or gained from external environment,

A)

A

B)

                                      B

C)

      C

D)

      D

E)

E

View Answer
172) Assertion: Death is one of the important regulatory process on earth. Reason: It avoids over-crowding caused by continuous reproduction.

A)

A

B)

                                      B

C)

      C

D)

      D

E)

E

View Answer
173) Assertion: The imbalance in concentration of \[N{{a}^{+}},\,{{K}^{+}}\] and proteins generates resting potential. Reason: To maintain the unequal distribution of \[N{{a}^{+}}\] and \[{{K}^{+}}\], the neurons use electrical energy.

A)

A

B)

                      B

C)

      C

D)

      D

E)

E

View Answer
174) Assertion: The regulation of RBC production is accomplished by FSH. Reason: Erythropoietin hormone circulates to red bone marrow where it increases stem cell mitosis and speed up development of RBCs.

A)

A

B)

      B

C)

      C

D)

      D

E)

E

View Answer
175) Assertion: WBCs accumulate at site of wounds by diapedesis. Reason: It is squeezing of leucocytes from endothelium.

A)

A

B)

                                      B

C)

      C

D)

      D

E)

E

View Answer
176) Assertion: Specialization of cells is useful organism. Reason: it increases the operational efficiency of an organism.

A)

A

B)

                      B

C)

      C

D)

      D

E)

E

View Answer
177) Assertion: The number of cells in multicellular organism is inversely proportional to size of body. Reason: All cells of biological world alive.

A)

A

B)

                      B

C)

      C

D)

      D

E)

E

View Answer
178) Assertion: Histamine is related with allergic and inflammatory reactions. Reason: Histamine is a vasodilator,

A)

A

B)

                      B

C)

      C

D)

      D

E)

E

View Answer
179) Assertion: Lateral line system is found fishes and aquatic larval amphibians. Reason: Lateral line system has receptor sensory cells derived from ectoderm,

A)

A

B)

                                      B

C)

      C

D)

      D

E)

E

View Answer
180) Assertion: Glycolysis occurs in cytoplasm. Reason: Enzymes of glycolysis are found in cytoplasm. It is common in aerobic/anaerobic respiration.

A)

A

B)

                      B

C)

      C

D)

      D

E)

E

View Answer
181) Gayatri Mantra is related with:

A)

AtharVeda

B)

       Rig Veda

C)

                       YajurVeda

D)

                       Sam Veda

View Answer
182) Who was chosen Time Magazines Person for the year 2001?

A)

Collin Powel

B)

                       Mike Monore

C)

                       George Bush

D)

                       Rudolf Guilani

View Answer
183) How many languages are recognize by the Constitution of India in the 8th schedule?

A)

12

B)

                                       14

C)

                       16

D)

                       18

View Answer
184) Who is known as the Iron Man of India?

A)

Jawaharlal Nehru

B)

       Bal Gangadhar Tilak

C)

       Sardar Vallabhbhai Patel

D)

       Mahatma Gandhi

View Answer
185) Which of the following Hindi Indian movies was nominated in the category of foreign language film for Oscar Award 2002?

A)

Mansoon Wedding

B)

                       Dil Chahata Hai

C)

                       Gadar Ek Prem Katha

D)

       Lagaan

View Answer
186) The founder of Khalsa was:

A)

Guru Gobind Singh

B)

       Guru Nanak Dev

C)

                       Guru Ram Das

D)

                       Guru TeghBahadur

View Answer
187) The design of the National Flag was adopted by the constituent assembly of India on:

A)

26th January, 1949

B)

       26th January, 1950

C)

                       22nd July, 1947

D)

                       15th August, 1947

View Answer
188) Who was the last Viceroy of India?

A)

Lord David

B)

                       Lord Wavell

C)

                       Lord Mountbatten

D)

                      Wellington

View Answer
189) When was the first football world cup held?

A)

1930

B)

                       1950

C)

                       1954

D)

                       1968

View Answer
190) Human Organ Development Centre for Transplantation is going to be established in India at:

A)

Vellore

B)

                                       Mumbai

C)

       Hyderabad

D)

                       Chennai

View Answer
191) When was the golden jubilee of Indian Parliament celebrated?

A)

1st January, 1997

B)

       26th January, 2002

C)

       13th May, 2002

D)

                       15th August, 1997

View Answer
192) An Indian river, that does not form any delta is:

A)

Cauvery

B)

                       Narmada

C)

                       Yamuna

D)

                       Singh

View Answer
193) How many islands are there in Lakshadweep?

A)

47

B)

                       36

C)

       27

D)

                       17

View Answer
194) July 11th is celebrated as:

A)

Doctors Day

B)

       Van Mahotsava Day

C)

       AIDS Day

D)

       World Population Day

View Answer
195) Mens Single US Open, 2001 Championship won by:

A)

Leyton Herwitt

B)

                       Pete Sampras

C)

                       Safin

D)

                       Stefan Edberg

View Answer
196) Which one of the classical dance forms originated in Andhra Pradesh?

A)

Odissi

B)

                       Kathakali

C)

                       Kuchipudi

D)

                       Bharat Natyam

View Answer
197) The spinning of the earth on its imaginary axis is known as :

A)

rotation

B)

                                       circulation

C)

                       orbiting

D)

                       revolution

View Answer
198) Who is CEAT International Cricketer of the year 2000-2001?

A)

Sachin Tendulkar

B)

                       Muttiah Muralitharan

C)

       Shane Wame

D)

       Brayan Lara

View Answer
199) Which organ of the body purifies the blood?

A)

Heart

B)

                                       Lungs

C)

                       Kidneys

D)

                       Pancreas

View Answer
200) Who is called Nightingale of India?

A)

Indira Gandhi

B)

                       Lata Mangeshker

C)

                                       Asha Bhonsle

D)

                       Sarojini Naidu

View Answer

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