Solved papers for AIIMS AIIMS Solved Paper-2001

AIIMS Solved Paper-2001 Total Questions - 200

1) Simple pendulum is executing simple harmonic motion with time period T. If the length of the pendulum is increased by 21%, then the increase in the time period of the pendulum of the increased length is:

A)

22%

B)

                     13%

C)

50%

D)

10%

View Answer
2) The function of heavy water in a nuclear reactor is to:

A)

slow down the neutrons

B)

increase the neutrons

C)

stop the electrons

D)

none of the above

View Answer
3) Which one of the following has the highest neutrons ratio?

A)

\[_{92}{{U}^{235}}\]

B)

                       \[_{8}{{O}^{16}}\]

C)

\[_{2}H{{e}^{4}}\]

D)

                       \[_{26}F{{e}^{56}}\]

View Answer
4) A concave mirror having the focal length 15 cm, forms an image having twice of the linear dimensions of the object. If the image is virtual, then the position of the object will be:

A)

7.5cm

B)

                                       22.5cm

C)

       40 cm

D)

       30 cm

View Answer
5) The temperature of the cold junction of a thermocouple is \[0{}^\circ C\] and the temperature of the hot junction is \[T{}^\circ C\]. The relation for the thermo emf is given by, \[E=AT-\frac{1}{2}B{{T}^{2}}\] (when A = 16 and B - 0.08). The temperature of inversion will be:

A)

\[500{}^\circ C\]

B)

\[460{}^\circ C\]

C)

\[600{}^\circ C\]

D)

\[400{}^\circ C\]

View Answer
6) Two material having the dielectric constants \[{{k}_{1}}\] and \[{{k}_{2}}\] are filled between two parallel plates of a capacitor. Where area of each plate is A and the distance between the plates is d. The capacity of the capacitor is:

A)

\[\frac{A{{\varepsilon }_{0}}({{k}_{1}}\times {{k}_{2}})}{d({{k}_{1}}+{{k}_{2}})}\]

B)

       \[\frac{A{{\varepsilon }_{0}}({{k}_{1}}-{{k}_{2}})}{d}\]

C)

       \[\frac{A{{\varepsilon }_{0}}{{k}_{1}}{{k}_{2}}}{({{k}_{1}}+{{k}_{2}})}\]

D)

       \[\frac{A{{\varepsilon }_{0}}({{k}_{1}}+{{k}_{2}})}{d}\]

View Answer
7) A closely wound flat circular coil of 25 rums of wire has diameter of 10 cm which carries current of 4 A, the flux density at the centre of a coil will be:

A)

\[1.256\times {{10}^{-3}}T\]

B)

\[1.679\times {{10}^{-5}}T\]

C)

                       \[1.512\times {{10}^{-5}}T\]

D)

                       \[2.28\times {{10}^{-4}}T\]

View Answer
8) Four lenses having the focal length of +15 cm, 20 cm, + 150 cm, and -+- 250 cm respectively are provided to make an astronomical telescope. The focal length of the eyepiece to produce the largest magnification, should be:

A)

+ 250 cm

B)

                       + 155 cm

C)

       25 cm

D)

       + 15 cm

View Answer
9) When radioactive substance emits an \[\alpha \]-particle, then its position in the periodic table is lowered by :

A)

two places

B)

                       three places

C)

five places

D)

                       one place

View Answer
10) The colour of a star indicates its:

A)

velocity

B)

                       temperature

C)

                       size

D)

       length

View Answer
11) Fraunhofer line of the solar system is an example of:

A)

line absorption spectrum

B)

line emission spectrum

C)

emission of band spectrum

D)

none of the above

View Answer
12) When added an impurity into the silicon which one of the following produces n-type of semiconductors?

A)

Iron

B)

       Magnesium

C)

       Aluminium

D)

                       Phosphorus

View Answer
13) What is electric flux associated with one of faces of the cube, when a charge (q) is enclosed in a cube?

A)

\[\frac{6q}{{{\varepsilon }_{0}}}\]

B)

                       \[\frac{q}{6{{\varepsilon }_{0}}}\]

C)

\[\frac{q}{3{{\varepsilon }_{0}}}\]

D)

       \[\frac{3q}{{{\varepsilon }_{0}}}\]

View Answer
14) The point charges Q and - 2Q are placed at some distance apart. If the electric field at the location of Q is E, the electric field at the location of - 2Q will be:

A)

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

B)

                       \[-E\]

C)

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

D)

       \[-2E\]

View Answer
15) The current flows from A to B as shown in figure, then the direction of the induced current in the loop will be:

A)

straight line

B)

anti-clockwise

C)

clockwise

D)

none of the above

View Answer
16) The cell has an emf of 2V and the internal resistance of this cell is 0.1\[\Omega \], it is connected to resistance of 3.9\[\Omega \] the voltage across the cell will be:

A)

1.95V

B)

       1.5V

C)

2V

D)

       1.8V

View Answer
17) A gun fires a bullet of mass 50 g with a velocity of 30 m/s. Due to this, the gun is pushed back with a velocity of 1 m/s, then the mass of the gun is:

A)

1.5kg

B)

                      5.5kg

C)

0.5 kg

D)

                       3.5kg

View Answer
18) The frequency of oscillator of the springs as shown in figure will be:

A)

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

B)

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

C)

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

D)

       \[2\pi \sqrt{\frac{k}{m}}\]

View Answer
19) Which of the following paics does not have similar dimensions?

A)

Tension and surface tension

B)

      Stress and pressure

C)

               Plancks constant and angular momentum

D)

Angle and strain

View Answer
20) How does the red shift confirm that the universe is expanding?

A)

Wavelength of light emitted by galaxies appears to decrease

B)

Wavelength of light emitted by galaxies appears to be the same

C)

Wavelength of light emitted by galaxies appears to increase

D)

None of the above

View Answer
21) The current gain for a transistor works if common-base amplifier is 0.96. If the emitter current is 7.2 mA, the base current will be;

A)

0.42mA

B)

0.49mA

C)

0.29 mA

D)

       0.35 mA

View Answer
22) In an atom bomb, the energy is released because of the :

A)

chain reaction of neutrons and \[_{92}{{U}^{238}}\]

B)

chain reaction of neutrons and \[_{92}{{U}^{235}}\]

C)

chain reaction of neutrons and \[_{92}{{U}^{236}}\]

D)

chain reaction of neutrons and \[_{92}{{U}^{240}}\]

View Answer
23) What change occurs, if the monochromatic light used in Youngs double slit experiment replaced by white light ?

A)

Only the central fringe is white and all other fringes are observed coloured

B)

No fringes are observed

C)

All the bright fringes become white

D)

All the bright fringes are coloured between violet and red

View Answer
24) In a circuit the coil of a choke:

A)

decreases the current

B)

increases the current

C)

has high resistance to DC circuit

D)

no effect with the current

View Answer
25) The internal resistance of a cell is the resistance of;

A)

electrolyte used in the cell

B)

electrodes of the cell

C)

vessel of the cell

D)

none of the above

View Answer
26) The escape velocity from the earth is 11.2 km/s. The escape velocity from a planet having twice the radius and the same mean density as the earth, is:

A)

11.2 km/s

B)

                       22.4 km/s

C)

       15.00 km/s

D)

                       5.8 km/s

View Answer
27) A metal ball of mass 2 kg moving with speed of 36 km/h has a collision with a stationary ball of mass 3 kg. If after collision, both the bait move together, the loss in kinetic energy due to collision is :

A)

80 J

B)

       40 J

C)

60 J

D)

160 J

View Answer
28) A constant torque of 31.4 N-m is exerted on a pivoted wheel. If the angular acceleration of the wheel is \[4\pi \,\,rad/{{s}^{2}},\] then the moment of inertia, will be:

A)

\[5.8\,kg-{{m}^{2}}\]

B)

\[4.5\,kg-{{m}^{2}}\]

C)

\[5.6\,kg-{{m}^{2}}\]

D)

\[2.5\,kg-{{m}^{2}}\]

View Answer
29) When the two surface are coated with the lubricant, then they will :

A)

slide upon each other

B)

stick to each other

C)

roll upon each other

D)

none of the above

View Answer
30) In a circuit, the current lags behind the voltage by a phase difference of \[\pi /2,\] the circuit will contain which of the following:

A)

only R

B)

                       only C

C)

       R and C

D)

       only L

View Answer
31) The length and breadth of a metal sheet are 3.124 m and 3.002 m respectively, the area of this sheet up to four correct significant figure is:

A)

\[9.378\,{{m}^{2}}\]

B)

                       \[9.37\,{{m}^{2}}\]

C)

           \[9.378248\,{{m}^{2}}\]

D)

                       \[9.3782\,{{m}^{2}}\]

View Answer
32) Two equal vectors have a resultant equal to either of them, then the angle between them will be:

A)

\[110{}^\circ C\]

B)

\[120{}^\circ C\]

C)

\[60{}^\circ C\]

D)

\[150{}^\circ C\]

View Answer
33) A stone tied to the end of string of 80 cm long, is whirled in a horizontal circle with a constant speed. If the stone makes 25 revolutions in 14 s. Then, magnitude of acceleration of the same will be:

A)

\[990\,cm/{{s}^{2}}\]

B)

                      \[680\,cm/{{s}^{2}}\]

C)

\[750\,cm/{{s}^{2}}\]

D)

       \[650\,cm/{{s}^{2}}\]

View Answer
34) The tension in a piano wire is 10 N. The tension in a piano wire to produce a node of double frequency is :

A)

20 N

B)

       40 N

C)

10N

D)

       120 N

View Answer
35) Two sound waves have phase difference of 60°, then they will have the path difference of:

A)

\[3\lambda \]

B)

                       \[\frac{\lambda }{3}\]

C)

       \[\frac{\lambda }{6}\]

D)

       \[\lambda \]

View Answer
36) A sings with a frequency n and B sings with a frequency 1/8 that of A. If the energy remains the same and the amplitude of A is a, then amplitude of B will be :

A)

\[2a\]

B)

                                       \[8a\]

C)

       \[4a\]

D)

       \[a\]

View Answer
37) The velocity of a bullet is reduced from 200 m/s to 100 m/s, while travelling through a wooden block of thickness 10 cm. Assuming it to be uniform, the retardation will be:

A)

\[15\times {{10}^{4}}m/{{s}^{2}}\]

B)

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

C)

                       \[12\times {{10}^{4}}m/{{s}^{2}}\]

D)

                       \[14.5m/{{s}^{2}}\]

View Answer
38) Two projectiles are projected with the same velocity. If one is projected at an angle of 30° and the other at 60° to the horizontal. The ratio of maximum heights reached, is:

A)

1 : 3

B)

                                       2 : 1

C)

       3 : 1

D)

       1 : 4

View Answer
39) A force \[(3\mathbf{\hat{i}}+4\mathbf{\hat{j}})\] N acts on a body and displaced it by\[(3\mathbf{\hat{i}}+4\mathbf{\hat{j}})\] m. The work done by the force is :

A)

5 J

B)

25 J

C)

10 J

D)

       30 J

View Answer
40) In an adiabatic change, the pressure and temperature of a monoatomic gas are related with relation as\[P\alpha {{T}^{C}}\], where C is equal to:

A)

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

B)

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

C)

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

D)

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

View Answer
41) If in a wire of Youngs modulus Y, longitudinal strain X is produced then the potential energy stored in its unit volume will be:

A)

\[0.5y{{x}^{2}}\]

B)

                       \[0.5{{y}^{2}}x\]

C)

       \[2y{{x}^{2}}\]

D)

       \[y{{x}^{2}}\]

View Answer
42) Which one of the following is not a thermodynamical co-ordinate?

A)

V

B)

       R

C)

       T

D)

       P

View Answer
43) According to Hookes law of elasticity,, if stress is increased, then the ratio of stress 10 strain :

A)

becomes zero

B)

remains constant

C)

decreases

D)

increases

View Answer
44) A stone tied to a string is rotated with a uniform speed in a vertical plane. If mass of the stone is m, the length of the string is r and the linear speed of the stone is v, when the stone is at its lowest point, then the tension in the string will be : (g = acceleration due to gravity)

A)

\[\frac{m{{v}^{2}}}{r}+mg\]

B)

       \[\frac{m{{v}^{2}}}{r}-mg\]

C)

       \[\frac{mv}{r}\]

D)

       mg

View Answer
45) A black body is heated from 27°C to \[{{127}^{o}}C\]. The ratio of their energies of radiation emitted will be :

A)

9 : 16

B)

                       27 : 64

C)

       81 : 256

D)

       3 : 4

View Answer
46) cyclotron is used accelerate:

A)

positive ion

B)

                       negative ion

C)

       electron

D)

                       none of these

View Answer
47) A spherical drop of water has 1 mm radius. If the surface tension of water is \[70\times {{10}^{-3}}\]N/m, then the difference of pressures between inside and outside of the spherical drop is:

A)

\[140\,N/{{m}^{2}}\]

B)

                       \[14\,N/{{m}^{2}}\]

C)

           \[35\,N/{{m}^{2}}\]

D)

                       none of these

View Answer
48) A body A starts from rest with an acceleration\[{{a}_{1}}\]. After 2 s another body B starts from rest with an acceleration\[{{a}_{2}}\]. If they travel equal distances in 5 s, after the starts of A, the ratio \[{{a}_{1}}:{{a}_{2}}\] will be equal to:

A)

9 : 5

B)

       5 : 7

C)

       5 : 9

D)

7: 9

View Answer
49) In a sinusoidal wave the time required for a particular point to move from equilibrium pasition to maximum displacement is 0.17 s, then the frequency of wave is:

A)

1.47 Hz

B)

                       0.36 Hz

C)

       2.94 Hz

D)

       2.48 Hz

View Answer
50) Bernoullis principle is based on the law of conservation of:

A)

mass

B)

energy

C)

angular momentum

D)

linear momentum

View Answer
51) Assertion: A metallic shield in form of a hoi; shell may be built to block an electric field. Reason: In a hollow spherical shield, t: electric Held inside it is zero at every point.

A)

A

B)

                       B

C)

                       C

D)

       D

E)

E

View Answer
52) Assertion: A rocket moves forward by push" the surrounding air backwards. Reason: It derives the necessary thrust to move forward according to Newtons third Lav. motion.

A)

A

B)

                       B

C)

                       C

D)

D

E)

E

View Answer
53) Assertion: In a movie, ordinarily 24 frames are projected per second from one end lo die other of the complete film. Reason: The image formed on retina of eye is sustained up to 1/10 s after the removal of stimulus.

A)

A

B)

       B

C)

C

D)

       D

E)

E

View Answer
54) Assertion: In adiabatic compression, the internal energy and temperature of the system pet decreased.                         Reason: The adiahatic compression is a slow process.

A)

A

B)

       B

C)

                       C

D)

       D

E)

E

View Answer
55) Assertion: In Youngs experiment, the fringe width tor dark fringes is different from that for white fringes. Reason: In Youngs double slit experiment when the fringes are performed with a source of white light, then only black and bright fringe are observed.

A)

A

B)

                       B

C)

                       C

D)

       D

E)

E

View Answer
56) Assertion: The isothermal curves intersect each other at a certain point. Reason: The isothermal change takes place slowly so, the isothermal curves have very little slope.

A)

A

B)

       B

C)

                       C

D)

       D

E)

E

View Answer
57) Assertion: Blue colour of sky appears due to scattering of blue colour. Reason: Blue colour has shortest wave length in visible spectrum.

A)

A

B)

                       B

C)

C

D)

       D

E)

E

View Answer
58) Assertion: X-rays travel with the speed of light. Reason: X-rays are electromagnetic rays.

A)

A

B)

       B

C)

                       C

D)

D

E)

E

View Answer
59) Assertion: When the speed of an electron increases its specific charge decreases. Reason: Specific charge is ratio of the charge to mass.

A)

A

B)

B

C)

                       C

D)

       D

E)

E

View Answer
60) Assertion :\[_{Z}{{X}^{A}}\] undergoes 2\[\alpha \]-decays, 2\[\beta \]-decays and 2\[\gamma \]-decays and the daughter product is \[_{Z-2}{{Y}^{A-B}}\] Reason: In a-decay the mass number decreases by 4 and atomic number decreases by 2. In \[\beta \]-decay the mass number remains unchanged, but atomic number increases by 1 only.

A)

A

B)

B

C)

                       C

D)

       D

E)

E

View Answer
61) Water glass is:

A)

\[N{{a}_{2}}Si{{O}_{3}}\]

B)

\[M{{g}_{2}}Si\]

C)

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

D)

       \[Ca{{({{H}_{2}}P{{O}_{4}})}_{2}}\]

View Answer
62) In diamond crystal each carbon atom is linked with carbon atoms. The number of carbon atoms linked is:

A)

2

B)

       4

C)

3

D)

       1

View Answer
63) With ammoniacal cuprous chloride solution a reddish brown precipitate is obtained on treating with:

A)

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

B)

       \[{{C}_{2}}{{H}_{4}}\]

C)

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

D)

       \[{{C}_{3}}{{H}_{6}}\]

View Answer
64) The boiling points of four saturated hydro- carbons are given below. Which boiling point suggests maximum number of carbon atoms in its molecule?

A)

\[-{{162}^{o}}C\]

B)

       \[-{{88.6}^{o}}C\]

C)

\[-{{0.5}^{o}}C\]

D)

       \[-{{42.2}^{o}}C\]

View Answer
65) The molarity of \[{{H}_{2}}S{{O}_{4}}\] solution, which has a density 1.84 g/cc at \[{{35}^{o}}C\] and contains 98% by weight is:

A)

1.84M

B)

       18.4 M

C)

       20.6 M

D)

       24.5 M

View Answer
66) The composition of duralumin is:

A)

\[Al\,\,94%,\,\,Mg\,6%\]

B)

\[Cu56%,Zn24%,Ni\text{ }20%\]

C)

\[Cu\,\,95%,Al\,\,5%\]

D)

\[Al\text{ }95%,\text{ }Cu\text{ }4%,\text{ }Mn\text{ }0.5%,\text{ }Mg\text{ }0.5%\]

View Answer
67) \[{{10}^{21}}\] molecules are removed from 200 mg of \[C{{O}_{2}}\]. The moles of \[C{{O}_{2}}\] left are:

A)

\[2.88\times {{10}^{-3}}\]

B)

       \[28.8\times {{10}^{-3}}\]

C)

       \[288\times {{10}^{-3}}\]

D)

       \[28.8\times {{10}^{3}}\]

View Answer
68) Which one of the following is not a Green house gase?

A)

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

B)

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

C)

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

D)

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

View Answer
69) The velocity of electron in second shell of hydrogen atom is:

A)

\[10.94\times {{10}^{6}}m{{s}^{-1}}\]

B)

\[18.88\times {{10}^{6}}m{{s}^{-1}}\]

C)

\[1.888\times {{10}^{6}}m{{s}^{-1}}\]

D)

\[1.094\times {{10}^{6}}m{{s}^{-1}}\]

View Answer
70) The weight of \[NaCl\] decomposed by 4.9 g of \[{{H}_{2}}S{{O}_{4}}\], if 6 g of sodium hydrogen sulphate and 1.825 of \[HCl\] were produced in the reaction:

A)

6.921 g

B)

       4.65 g

C)

       2.925 g

D)

       1.4 g

View Answer
71) The oxidation number of \[Cr\] in \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] is:

A)

\[+2\]

B)

\[+4\]

C)

\[+6\]

D)

       \[+7\]

View Answer
72) The electrical conductivity of semi-conductors:

A)

decrease with temperature

B)

increase with temperature

C)

remain constant on heating

D)

none of the above

View Answer
73) 20 g of a substance were dissolved in 500 mL of water and the osmotic pressure I of the solution was found to be 600 mm of mercury at \[{{15}^{o}}C\]. The molecular weight of substance is:

A)

998

B)

       1028

C)

                       1098

D)

       1198

View Answer
74) The decreasing order of stability of alkyl carbonium ion is in the order of:

A)

\[R-\underset{R}{\overset{R}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,>R-\underset{H}{\overset{R}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,>R-\underset{H}{\overset{H}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,>H-\underset{H}{\overset{H}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,\]

B)

\[R-\underset{H}{\overset{H}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,>R-\underset{H}{\overset{H}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,>R-\underset{H}{\overset{R}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,>H-\underset{R}{\overset{R}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,\]

C)

\[R-\underset{H}{\overset{R}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,>R-\underset{R}{\overset{R}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,>R-\underset{H}{\overset{H}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,>H-\underset{H}{\overset{n}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,\]

D)

\[R-\underset{H}{\overset{H}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,>R-\underset{H}{\overset{R}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,>R-\underset{R}{\overset{R}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,>H-\underset{H}{\overset{n}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{+}}}}}\,}}}\,\]

View Answer
75) Zwitter ion contains:

A)

-ve charge

B)

+ve charge

C)

both +ve and -ve charge

D)

none of the above

View Answer
76) Water gas is produced by:

A)

passing steam over red hot coke

B)

passing steam and air over red hot coke

C)

burning coke in excess of air

D)

burning coke in limited supply of air

View Answer
77) Which of the following element is represented by electronic configuration\[1{{s}^{2}}2{{s}^{2}}2p_{x}^{1}2p_{y}^{1}2p_{z}^{1}\]?

A)

Nitrogen

B)

       Oxygen

C)

       Fluorine

D)

       Sulphur

View Answer
78) Which one of the following hydroxide is insoluble in water?

A)

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

B)

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

C)

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

D)

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

View Answer
79) Reduction of nitrobenzene with \[Sn/HCl\]produce:

A)

azobenzene

B)

       azoxybenzene

C)

                       nitrobenzene

D)

       aniline

View Answer
80) The normality of orthophosphoric acid having purity of 70% by weight and specific gravity 1.54 is:

A)

11N

B)

       22 N

C)

33 N

D)

       44 N

View Answer
81) Hinsbergs reagent is:

A)

\[\underset{COO{{C}_{2}}{{H}_{5}}}{\overset{COO{{C}_{2}}{{H}_{5}}}{\mathop{|}}}\,\]

B)

\[{{C}_{6}}{{H}_{5}}S{{O}_{2}}Cl\]

C)

\[{{C}_{6}}{{H}_{5}}S{{O}_{2}}N{{H}_{2}}\]

D)

\[C{{H}_{3}}COC{{H}_{2}}COO{{C}_{2}}{{H}_{5}}\]

View Answer
82) The pH value of N/10 \[NaOH\] is:

A)

9

B)

       10

C)

12

D)

       13

View Answer
83) Salol is:

A)

acetyl salicylic acid

B)

phenyl salicylate

C)

methyl salicylate

D)

none of the above

View Answer
84) Aldehyde and ketones can be distinguished by:

A)

ammonia

B)

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

C)

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

D)

      Fehling solution

View Answer
85) Among the following, insecticide is:

A)

BHC

B)

       phosphine

C)

       chloral

D)

       aspirin

View Answer
86) The strongest oxidising agent is:

A)

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

B)

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

C)

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

D)

       \[B{{r}_{2}}\]

View Answer
87) The colloid is:

A)

urea

B)

       blood

C)

       cane sugar

D)

       \[NaCl\]

View Answer
88) The tribasic acid is:

A)

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

B)

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

C)

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

D)

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

View Answer
89) The de-Broglie wavelength associated with a particle of mass 10kg moving with a velocity of \[10m{{s}^{-1}}\] is:

A)

\[6.63\times {{10}^{-7}}\]

B)

       \[6.63\times {{10}^{-16}}\]

C)

       \[6.63\times {{10}^{-21}}\]

D)

       \[6.63\times {{10}^{-29}}\]

View Answer
90) The number of water molecules in Mohrs salt is:

A)

2

B)

       4

C)

       6

D)

       8

View Answer
91) One gram equimolecular mixture of \[N{{a}_{2}}C{{O}_{3}}\] and \[NaHC{{O}_{3}}\] is reacted with \[0.1\text{ }NHCl\]. The millilitres of \[0.1\text{ }NHCl\] required to react completely with the above mixture is:

A)

\[15.78\text{ }mL\]

B)

       \[157.8\text{ }mL\]

C)

       \[198.4\text{ }mL\]

D)

       \[295.5\text{ }mL\]

View Answer
92) The product formed by the reaction of acetamide with bromine in presence of \[NaOH\] is:

A)

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

B)

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

C)

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

D)

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

View Answer
93) In lake test of \[A{{l}^{3+}}\]ion, there is formation of coloured floating. It is due to:

A)

absorption of litmus by \[{{H}_{2}}O\]

B)

adsorption of litmus of \[Al{{(OH)}_{3}}\]

C)

adsorption of litmus \[Al(OH)_{4}^{-}\]

D)

none of the above

View Answer
94) The colligative property is not represented by:

A)

elevation in boiling point

B)

osmotic pressure

C)

optical activity

D)

relative lowering of vapour pressure

View Answer
95) The internal energy of a substance is:

A)

increase with increase in temperature

B)

decrease with increase in temperature

C)

remain unaffected with temperature

D)

can be calculated by the reaction \[E=m{{c}^{2}}\]

View Answer
96) The movement of colloidal particle under applied electric current is known as:

A)

electro dialysis

B)

dialysis

C)

electrophoresis

D)

none of the above

View Answer
97) Both oxidation and reduction takes place in:

A)

\[NaBr+HCl\xrightarrow{{}}NaCl+HBr\]

B)

\[HBr+AgN{{O}_{3}}\xrightarrow{{}}AgBr+HN{{O}_{3}}\]

C)

\[{{H}_{2}}+B{{r}_{2}}\xrightarrow{{}}2HBr\]

D)

\[CaO+{{H}_{2}}S{{O}_{4}}\xrightarrow{{}}CaS{{O}_{4}}+{{H}_{2}}O\]

View Answer
98) The heat of reaction for: \[{{C}_{10}}{{H}_{g}}(s)+12{{O}_{2}}(g)\xrightarrow{{}}10\,C{{O}_{2}}(g)\] \[+4{{H}_{2}}O(l)\] at constant volume is \[-1228.2\text{ }kcal\] at \[{{25}^{o}}C\]. The heat of reaction at constant pressure and same temperature is:

A)

\[-1228.2\text{ }kcal\]

B)

      \[-1229.3\text{ }kcal\]

C)

       \[-1232.9\text{ }kcal\]

D)

       \[-1242.6\text{ }kcal\]

View Answer
99) A solution having hydrogen ion concentration is \[0.0005\text{ }g-equi/L,\]its \[pOH\] is:

A)

\[8.2798\]

B)

       \[10.6990\]

C)

       \[12.7854\]

D)

       \[13.3344\]

View Answer
100) Which of the following is unaffected by temperature?

A)

Normality

B)

       Molarity

C)

       Molality

D)

       Formality

View Answer
101) Philosophers wool on heating with \[BaO\] at \[{{1100}^{o}}C\] produce:

A)

\[Ba+ZnC{{l}_{2}}\]

B)

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

C)

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

D)

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

View Answer
102) Primary amine reacts with carbon disulphide and \[HgC{{l}_{2}}\] to produce alkyl isothiocyanate. This reaction is:

A)

Carbylamine reaction

B)

Hofmann bromide reaction

C)

Perkin reaction

D)

Hofmann mustard oil reaction

View Answer
103) The number of sigma electrons in toluene is:

A)

6

B)

       9

C)

       15

D)

       30

View Answer
104) Sucrose on treatment with cone. \[HCl\] produce:

A)

glucose

B)

fructose

C)

glucose + fructose

D)

laevulinic acid

View Answer
105) The above reaction is:

A)

Clemmensen reduction

B)

Rosenmund reduction

C)

Birch reduction

D)

Wolff-Kishner reduction

View Answer
106) The shape of \[N{{H}_{3}}\] molecule is:

A)

tetrahedral

B)

       trigonal planar

C)

       trigonal pyramidal

D)

linear

View Answer
107) Sodium forms \[N{{a}^{+}}\] ion but it does not form \[N{{a}^{2+}}\] because:

A)

very low value of 1st and II nd IE

B)

very high value of 1st and II nd IE

C)

high value of 1st IE and low value of II nd IE

D)

low value of 1st IE and high value of II nd IE

View Answer
108) Two moles of an ideal gas are compressed isothermally \[({{100}^{o}}C)\] and reversibly from a pressure of 10 atm to 25 atm, then the free energy change is:

A)

\[+15.482\text{ }kJ\]

B)

       \[+10.464\text{ }kJ\]

C)

       \[+5.684kJ\]

D)

       \[+3.364kJ\]

View Answer
109) The most suitable method for removing water traces from ethanol is:

A)

distillation

B)

passing dry \[HCl\]

C)

reacting it with \[Mg\]

D)

heat with sodium metal

View Answer
110) In the exothermic reaction the enthalpy of reaction is always:

A)

zero

B)

       positive

C)

       negative

D)

       none of these

View Answer
111) Assertion: Anhydrous \[Ba{{O}_{2}}\] is used for preparing \[{{H}_{2}}{{O}_{2}}\]. Reason: Hydrated \[Ba{{O}_{2}}\] is not available.

A)

A

B)

       B

C)

C

D)

D

E)

E

View Answer
112) Assertion: Fluorine exists only in -1 oxidation state. Reason: Fluorine has \[2{{s}^{2}}2{{p}^{5}}\]configuration.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
113) Assertion: Neopentane forms one mono- substituted compound. Reason: Neopentane is isomer of pentane.

A)

A

B)

B

C)

C

D)

       D

E)

       E

View Answer
114) Assertion: Glycerol is purified by distillation under reduced pressure. Reason: Glycerol is a trihydric alcohol.

A)

A

B)

       B

C)

C

D)

D

E)

E

View Answer
115) Assertion: Magnesium continue to bum in nitric oxide. Reason: During burning heat evolved do not decompose NO.

A)

A

B)

       B

C)

       C

D)

D

E)

E

View Answer
116) Assertion: All molecules in a gas have same speed. Reason: Gas contains molecules of different size and shape.

A)

A

B)

B

C)

C

D)

D

E)

E

View Answer
117) Assertion: Iron is found in free state in nature. Reason: Iron is highly reactive element.

A)

A

B)

       B

C)

C

D)

D

E)

E

View Answer
118) Assertion: A solution of \[FeC{{l}_{3}}\] in water produces brown precipitate on standing. Reason: Hydrolysis of \[FeC{{l}_{3}}\] takes place in water.

A)

A

B)

       B

C)

C

D)

D

E)

E

View Answer
119) Assertion: During test for nitrogen with Lassaigne extract on adding \[FeC{{l}_{3}}\] solution sometimes a red precipitate is obtained. Reason: Sulphur is also present

A)

A

B)

       B

C)

C

D)

D

E)

E

View Answer
120) Assertion: \[C{{H}_{4}}\] does not react with \[C{{l}_{2}}\] in dark. Reason: Chlorination of \[C{{H}_{4}}\] takes place in sunlight.

A)

A

B)

       B

C)

C

D)

D

E)

E

View Answer
121) Sex organs in Funaria develop:

A)

in protonema

B)

outside capsule

C)

in the axil of leaf

D)

at the tip of gametophore

View Answer
122) In which portion of Cycas diploxylic vascular bundles are found?

A)

Root

B)

                      Stem

C)

      Leaflet

D)

      Rachis and leaflet

View Answer
123) Curling of tendrils is due to:

A)

thigmotropism

B)

phototropism

C)

      chemotrophism

D)

      nyctinasty

View Answer
124) Trophic level are formed by:

A)

plants

B)

animals

C)

organisms linked in food chain

D)

carnivores

View Answer
125) In bacteria site of respiration is:

A)

mesosome

B)

                      episome

C)

      plasmid

D)

      cytoplasm

View Answer
126) The usage of binomial names, for plant species was accepted by all after the publication of the work by:

A)

Hooker

B)

                                      Linnaeus

C)

      Bentham

D)

      Darwin

View Answer
127) Funaria gametophyte is:

A)

dioecious

B)

heteroecious

C)

autoecious

D)

      monoecious and autoecious

View Answer
128) I Sometimes, the fern plant arises from fern prothallus without fertilization. This is an example of:

A)

apospory

B)

apogamy

C)

parthenocarpy

D)

gametogenesis

View Answer
129) Zygospore of Spirogyra at the time of meiosis is divided into four nuclei. How many nuclei degenerate out of these four?

A)

One

B)

Two

C)

      Three

D)

      Four

View Answer
130)                                                 Cycas is:

A)

monoecious

B)

bisexual

C)

dioecious

D)

      hermaphrodite

View Answer
131) Clove is:

A)

flower bud

B)

axillary bud

C)

      thalamus

D)

      ovule

View Answer
132) In which family (9) + 1 androecium condition; is found?

A)

Malvaceae

B)

Papilionaceae

C)

Solanaceae

D)

Poaceae

View Answer
133) Powdery mildews of crops are caused by:

A)

bacteria

B)

ascomycetes

C)

basidiomycetes

D)

      phycomycetes

View Answer
134) Abundance of a species in a population, within habitat is called :

A)

niche density

B)

absolute density

C)

relative density

D)

geographic density

View Answer
135) Desert can be converted into green land by planting:

A)

oxylophytes

B)

psammophytes

C)

halophytes

D)

      trees

View Answer
136) Deforestation causes:

A)

soil erosion

B)

soil pollution

C)

      noise pollution

D)

      air pollution

View Answer
137) Porous wood contains:

A)

vessels

B)

tracheids

C)

fibres

D)

      parenchyma

View Answer
138) In rainy season, door get swelled due to:

A)

imbibition

B)

diffusion

C)

      transpiration

D)

      respiration

View Answer
139) Blackmans law of limiting factor is applied to:

A)

respiration

B)

transpiration

C)

photorespiration

D)

photosynthesis

View Answer
140) The drug bellodona is obtained from:

A)

Atropa

B)

Opium

C)

      Rauwolffia

D)

      Solanwn

View Answer
141) Pollinia are found in:

A)

wheat

B)

      madar

C)

      mango

D)

      banana

View Answer
142) Which part of embryo comes out first during seed germination?

A)

Radicle

B)

                                      Plumule

C)

Hypocotyl

D)

      Epicotyl

View Answer
143) Minimata disease is pollution related disease. It result from:

A)

oil spills in sea

B)

DDT pollution

C)

release of industrial waste containing mercury in fishing water

D)

accumulation of arsenic

View Answer
144) Monocarpic plants flower:

A)

once

B)

      twice

C)

      many times

D)

      never

View Answer
145) A prokaryotic cell lacks:

A)

true nucleus

B)

nuclear membrane

C)

membrane bound organelles

D)

all of the above

View Answer
146) Induction of cell division and delay in senescence is done by:

A)

cytokinins

B)

      auxins

C)

      GA

D)

CoA

View Answer
147) Mirabilis jalapa shows:

A)

codominance

B)

incomplete dominance

C)

dominance

D)

complementary genes

View Answer
148) In genetic engineering, which of following is used?

A)

Plasmid

B)

      Plastid

C)

Mitochondria

D)

      ER

View Answer
149) The maintenance of internal favourable conditions, by a self-regulated mechanisms inspite of the fact that there are changes in environment, is known as:

A)

entropy

B)

enthalpy

C)

                      homeostasis

D)

      steady state

View Answer
150) Which of the following is a single membranous structure?

A)

Lysosome

B)

Nucleus

C)

Mitochondria

D)

      Chloroplast

View Answer
151) Brunners glands are present in:

A)

duodenum

B)

      oesophagus

C)

      ileum

D)

      stomach

View Answer
152) 5th cranial nerve of frog is called :

A)

vagus

B)

trigeminal

C)

      optic

D)

      ophthalmic

View Answer
153) Which of the following is made up of a single bone in mammal?

A)

Dentary

B)

      Hyoid

C)

Upper jaw

D)

      All of these

View Answer
154) Spindle fibers of mitotic cell are made up of:

A)

tubulin

B)

      actin

C)

      myosin

D)

      collagen

View Answer
155) Gemmule formation in sponges are useful:

A)

asexual reproduction

B)

sexual reproduction

C)

parthenogenesis

D)

parthenocarpy

View Answer
156) Which of the following is not a mental disorder?

A)

Epilepsy

B)

      Neurosis

C)

      Psychosis

D)

      Plague

View Answer
157) Pollorum disease of poultry is caused by:

A)

Mycobacterium,

B)

      Salmonella

C)

      Clostridium

D)

      Hemophilus

View Answer
158) Discontinuous variations are:

A)

essential features

B)

acquired character

C)

non-essential changes

D)

mutations

View Answer
159) Cessation of menstrual cycle in women is called:

A)

menopause

B)

      lactation

C)

      ovulation

D)

      parturition

View Answer
160) Barr-body in mammals represents:

A)

one of the two X-chromosomes in cells of female

B)

all heterochromatin of male and female cells

C)

Y-chromosome of male

D)

all heterochromatin of female cells

View Answer
161) If frogs brain is crushed, even then moves on pinpointing. It is called:

A)

simple reflex

B)

conditional reflex

C)

neurotransmitter function

D)

autonomic nerve conditions

View Answer
162) Acromegaly is due to hypersecretion of: 3

A)

insulin

B)

throxin

C)

growth hormone

D)

none of these

View Answer
163) Sella turcica is found:

A)

near pituitary

B)

in bone

C)

in joints

D)

      near thyroid

View Answer
164) Major protein of connective tissue is:

A)

myosin

B)

                      collagen

C)

      melanin

D)

      keratin

View Answer
165) Toxic substances are detoxified in human in:

A)

kidney

B)

                      lungs

C)

      liver

D)

      stomach

View Answer
166) Outer covering of cartilage is called:

A)

perichondrium

B)

periostaeum

C)

endosternum

D)

      perilonettum

View Answer
167) Steroid hormones are similar in structure

A)

tryosine

B)

                      cholesterol

C)

      coenzyme A

D)

      glycerol

View Answer
168) The protoplasmic segment of a striated ran fiber is termed as:

A)

sarcoplasm

B)

      sarcomere

C)

      neuromere

D)

      metamere

View Answer
169) Meroblastic cleavage refers to which type of division of egg?

A)

Complete

B)

      Spiral

C)

      Incomplete

D)

      Horizontal

View Answer
170) Nodules with nitrogen fixing bacteria are found in:

A)

Cotton

B)

      gram

C)

Mustard

D)

      wheat

View Answer
171) Assertion: TMV is a virus which causes mosaic disease. Reason: TMV has RNA as genetic material,

A)

A

B)

      B

C)

      C

D)

      D

E)

E

View Answer
172) Assertion: Mosses are evolved from algae. Reason: Protonema of mosses is similar to some green algae.

A)

A

B)

      B

C)

      C

D)

      D

E)

E

View Answer
173) Assertion: Many plants are propagated vegetatively even though they bear seeds. Reason: Potatos multiply by tubers, apple by cutting etc.

A)

A

B)

B

C)

      C

D)

      D

E)

E

View Answer
174) Assertion: Power house of cell is mitochondria. Reason: ATP is produced in mitochondria,

A)

A

B)

      B

C)

                      C

D)

      D

E)

E

View Answer
175) Assertion: Scurvy is caused by deficiency of vitamin. Reason: Deficiency of ascorbic acid causes scurvy.

A)

A

B)

      B

C)

      C

D)

      D

E)

E

View Answer
176) Assertion: Cell wall is not found in animal cell. Reason: Animal cells are covered by cell membrane.

A)

A

B)

B

C)

      C

D)

      D

E)

E

View Answer
177) Assertion: During physiology of excretion, deamination does not take place in liver. Reason: Deamination is a process to make use of excess of amino acids which cannot be incorporated into protoplasm.

A)

A

B)

      B

C)

                      C

D)

      D

E)

E

View Answer
178) Assertion: Cartilage and bone are rigid connective tissues. Reason: Blood is a connective tissue,

A)

A

B)

                                      B

C)

      C

D)

      D

E)

E

View Answer
179) Assertion: Plasmids are extra chromosomal DNA. Reason: Plasmids are found in bacteria and are useful in genetic engineering,

A)

A

B)

      B

C)

      C

D)

      D

E)

E

View Answer
180) Assertion: Plasmodium vivax is responsible for malaria. Reason: Malaria is caused by polluted water,

A)

A

B)

      B

C)

      C

D)

      D

E)

E

View Answer
181) National Anthem ?Jana Gana Mana? was adopted on:

A)

26 January, 1950

B)

       26 July, 1947

C)

                       15 August, 1947

D)

                       24 January, 1950

View Answer
182) Who is the chairman of Rajya Sabha?

A)

Speaker of Lok Sabha

B)

       Home Minister

C)

                       President

D)

                       Vice President

View Answer
183) Miss Universe event 2000 was held at:

A)

Peuotro Rico

B)

       London

C)

                       Paris

D)

       Nicosia (Cyprus)

View Answer
184) The earthquake is measured by:

A)

Lactometer

B)

       Seismograph

C)

                       Hygrometer

D)

                       Barometer

View Answer
185) The writer of ?Daughter of East? is:

A)

Indira Gandhi

B)

       Benazir Bhutto

C)

                       Amrita Pritam

D)

                       Marget Thatcher

View Answer
186) Which one of the following is the argest steel arch bridge?

A)

Seawise

B)

       Petronas

C)

                                       Strahov

D)

                       George

View Answer
187) AIDS is caused by:

A)

Helminth

B)

       Protozoa

C)

                       Virus

D)

                       Bacteria

View Answer
188) Which one of the following function of the 14. platlets occurs in our body ?

A)

It helps in breathing

B)

       It helps in strengthening of gums

C)

       It hels in circulation of blood

D)

       It helps in clotting of blood

View Answer
189) At the first time, the song Vande Mataram was sung in:

A)

Indian National Congress session

B)

                       Indian National Congress session

C)

       Quit India Movement 1942

D)

       Congress session 1911

View Answer
190) Teachers day is celebrated on

A)

5th September

B)

       16 August

C)

                       21st September

D)

                       1st April

View Answer
191) Which one of the following determines the salary of Attorney General ?

A)

Speaker of Lok Sabha

B)

       Home Minister

C)

                       President of India

D)

                       Prime Minister

View Answer
192) Which one of the following vitamin can be most easily synthesised in the human body?

A)

Vitamin B

B)

       Vitamin C

C)

                       Vitamin A

D)

                       Vitamin D

View Answer
193) From where did Mahatma Gandhi start the famous Dandi March?

A)

Surat

B)

       Mumbai

C)

       Bardoli

D)

                       Ahmedabad

View Answer
194) In which year was English recommi medium of instruction for higher India by Lord Macaulay?

A)

1833

B)

       1835

C)

                       1859

D)

                       1825

View Answer
195) Who discovered the sea route to India?

A)

Vasco de Gama

B)

       Columbus

C)

                       Magellan

D)

                       Hopkins

View Answer
196) The oath of office to a Supreme Court administered by:

A)

The Chief Justice

B)

       The President of India

C)

       The Chief Justice of India

D)

       The Law minister

View Answer
197) Garba dance is a dance style of:

A)

Gujrat

B)

       Uttar Pradesh

C)

                       Nagaland

D)

                       Bihar

View Answer
198) Who addressed the U.N. General Assi the first time in Hindi ?

A)

Rajendra Prasad

B)

       Atal BihariVajps

C)

                       Jawahar Lai Nehru

D)

                      Swam Singh

View Answer
199) A former cricketer after whose name no championship has been started in India:

A)

C.K. Naidu

B)

       Daleep Singh

C)

                       Lala Amarnath

D)

                       Vijay Merchant

View Answer
200) Currency note bears the signature of the:

A)

Finance Minister

B)

       Governor, Reserve Bank of India

C)

       Cabinet Secretary

D)

       President

View Answer

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