Solved papers for MGIMS WARDHA MGIMS WARDHA Solved Paper-2011

MGIMS WARDHA Solved Paper-2011 Total Questions - 180

1) A circular coil has 500 turn of wire and its radius is 5 cm. The self-inductance of the coil is

A)

\[25\times {{10}^{-}}^{3}mH\]

B)

\[25mH\]

C)

\[50\times {{10}^{-}}^{3}H\]

D)

\[50\times {{10}^{-}}^{3}mH\]

View Answer
2) An astronomical telescope has a large aperture to

A)

reduce spherical aberration

B)

have high resolution

C)

increase span of observation

D)

have low dispersion

View Answer
3) Which of the following is more close to a black body?

A)

Black board paint

B)

Green leaves

C)

Black holes

D)

Red roses

View Answer
4) A child swinging on a swing in sitting position, stands up, then the time period of swing will

A)

increase

B)

decrease

C)

remain same

D)

increase if the child is long and decrease if the child is short

View Answer
5) The radius of nucleus of silver (atomic number =47) is \[3.4\times {{10}^{-14}}m.\]The electric potential on the surface of nucleus is \[(e=1.6\times {{10}^{-19}}C)\]

A)

\[1.99\times {{10}^{6}}V\]

B)

\[2.9\times {{10}^{6}}V\]

C)

\[4.99\times {{10}^{6}}V\]

D)

\[0.99\times {{10}^{6}}V\]

View Answer
6) The unit of inductance is

A)

\[\frac{\text{volt}}{\text{ampere}}\]

B)

\[\frac{\text{joule}}{\text{ampere}}\]

C)

\[\frac{\text{volt-second}}{\text{ampere}}\]

D)

\[\frac{\text{volt-ampere}}{\text{second}}\]

View Answer
7) If a body travels half the distance with velocity \[{{v}_{1}}\] and the next half with velocity \[{{v}_{2}}\]its average velocity will be given by

A)

\[v=\sqrt{{{v}_{1}}{{v}_{2}}}\]

B)

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

C)

\[v=\frac{{{v}_{1}}}{{{v}_{2}}}\]

D)

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

View Answer
8) The ratio of the numerical value of the average velocity and average speed of body is always

A)

unity

B)

unity or less

C)

unity or more

D)

less than unity

View Answer
9) Mark the correct option. If a ball is projected with velocity \[{{v}_{o}}\] at an angle of elevation 30°, then

A)

gravitational potential energy will be minimum at the highest point of the trajectory

B)

kinetic energy will be zero at the highest point of the trajectory

C)

vertical component of momentum will be conserved

D)

horizontal component of momentum will be conserved

View Answer
10) A spring scale is adjusted to read zero. Particles of mass 1 g fall on the pan of the scale and collide elastically and they rebound upward with the same speed. If the height of fall of panicles is 2 m and their rate of collision is 100 particles per second, then the scale reading in grams will be \[(g=9.8m/{{s}^{2}})\]

A)

1000 g

B)

1100g

C)

1200 g

D)

1252 g

View Answer
11) A smooth sphere of mass m moving with velocity u directly collides elastically with another sphere of mass M at rest. After collision their final velocities are V and v respectively. The value of v is

A)

\[2u\frac{M}{m}\]

B)

\[2u\frac{m}{M}\]

C)

\[\frac{2u}{1+\frac{m}{M}}\]

D)

\[\frac{2u}{1+\frac{M}{m}}\]

View Answer
12)  A block of mass 2 kg is kept on the floor. The coefficient of static friction is 0.4. If a force F of 2.5 N is applied on the block as shown in the figure, the frictional force between the block and the floor will be

A)

2.5 N

B)

b) 5N

C)

  7.84 N

D)

10N

View Answer
13) A mass of 10 g moving horizontally with a velocity of 100 cm/s strikes a pendulum bob of mass 10 g. The two masses stick together. The maximum height reached by the system now is (.g = 10 m/s2)

A)

zero

B)

5 cm

C)

2.5cm

D)

1.25cm

View Answer
14) The moments of inertia of two freely rotating bodies A and B are \[{{I}_{A}}\] and \[{{I}_{B}}\] respectively \[{{I}_{A}}>{{I}_{B}}\]and their angular momenta are equal. If \[{{K}_{A}}\] and \[{{K}_{B}}\] are their kinetic energies then

A)

\[{{K}_{A}}={{K}_{B}}\]

B)

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

C)

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

D)

\[{{K}_{A}}=2{{K}_{B}}\]

View Answer
15) A wheel of car is revolving at the rate of 1200 cycle/min. On pressing the accelerator after 10s, it does 4500 cycle/min then radial acceleration of the wheel is

A)

30rad/s2

B)

1880 degree/s2

C)

40 rad/s2

D)

1980 degree/s2

View Answer
16) The diameter of each plate of an air capacitor is 4 cm. To make the capacity of this plate capacitor equal to that of 20 cm diameter sphere, the distance between the plates will be

A)

\[4\times {{10}^{-3}}m\]

B)

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

C)

1cm

D)

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

View Answer
17) The electric potential V is given as a function of distance \[x\] (m) by \[V=({{5.}^{2}}+10x-9)\]volt. Value of electric field at \[x\] = 1 m is

A)

20V/m

B)

6V/m

C)

11 V/m

D)

-23V/m

View Answer
18) In Young's experiment, the wavelength of red light is 7800Å and that of blue light is 5200Å. The value of n for which (n +1) the blue band coincides with nth red band is

A)

1

B)

2

C)

3

D)

  4

View Answer
19) If the height of a satellite from the earth is negligible in comparison to the radius of the earth R, the orbital velocity of the satellite is

A)

\[gR\]

B)

\[\frac{gR}{2}\]

C)

\[\sqrt{\frac{g}{R}}\]

D)

\[\sqrt{gR}\]

View Answer
20) A satellite is revolving round me earth in an elliptical orbit. Its speed

A)

will be same at all points of the orbit

B)

will be maximum when it is at maximum distance from earth

C)

will be maximum when its distance from the earth will be minimum

D)

goes on increasing or decreasing continuous in dependines upon the mass of the satellite

View Answer
21) A particle of mass 10 g is executing simple harmonic motion with an amplitude of 0.5 m and periodic time of (\[\pi /5\]) second. The maximum value of the force acting on the particle is

A)

25 N

B)

5N

C)

2.5 N

D)

0.5 N

View Answer
22) The period of vibration of a mass m suspended from a spring is 2 s. If along with it another mass of 2 kg is also suspended, the period of oscillation increases by Is. The mass m will be

A)

2 kg

B)

1 kg

C)

1.6kg

D)

2.6kg

View Answer
23) A wire of length L and cross-sectional area A is made of a material of Young's modulus Y. It is stretched by an amount x. The work done is

A)

\[\frac{YxA}{2L}\]

B)

\[\frac{Y{{x}^{2}}A}{L}\]

C)

\[\frac{Y{{x}^{2}}A}{2L}\]

D)

\[\frac{2Y{{x}^{2}}A}{L}\]

View Answer
24) Compressibility of water is \[5\times {{10}^{-10}}m/N.\] The change in volume of 100 mL water subjected to \[15\times {{10}^{6}}\] Pa pressure will

A)

no change

B)

increase by 0.98 mL

C)

decrease by 0.75 mL

D)

increase by 1.50 mL

View Answer
25) A water film is made between two 10 cm long straight wires and at a distance of 0.5 cm. If distance between the wires is increased by 1 mm, then work done will be\[(T=7.2\times {{10}^{-2}}\,N/m)\]

A)

\[7.22\times {{10}^{-5}}J\]

B)

\[1.44\times {{10}^{-5}}J\]

C)

\[2.88\times {{10}^{-5}}J\]

D)

\[5.76\times {{10}^{-5}}J\]

View Answer
26) The force of cohesion is

A)

maximum in solids

B)

maximum in liquids

C)

maximum in gases

D)

same in solid, liquid and gas

View Answer
27) The temperature at which root mean square velocity of molecules of helium is equal to root mean square velocity of hydrogen at NTP is

A)

273°C

B)

273 K

C)

  546°C

D)

  844 K

View Answer
28) The average kinetic energy of a hydrogen gas molecule at NTP will be (Boltzmann's constant \[k=1.38\times {{10}^{-23}}J/K\]

A)

\[0.186\times {{10}^{-20}}J\]

B)

\[0.372\times {{10}^{-20}}J\]

C)

\[0.56\times {{10}^{-20}}J\]

D)

\[5.6\times {{10}^{-20}}J\]

View Answer
29) The height of a water fall is 84 m. Assuming that the entire kinetic energy of falling water is converted into heat, the rise in temperature of the water will be

A)

0.196°C

B)

1.960°C

C)

0.96°C

D)

0.0196°C

View Answer
30) For adiabatic process \[\left( \gamma \frac{{{C}_{p}}}{{{C}_{v}}} \right)\]

A)

\[{{p}^{\gamma }}V=\] constant

B)

\[T{{p}^{\gamma }}V=\] constant

C)

\[p{{V}^{\gamma }}=\]constant

D)

\[pV=\] constant

View Answer
31) A cup of tea having the temperature 80°C is kept in a room, which is at 20°C. Which of the given curves best represents the variation of temperature T of the cup with time r?

A)

B)

C)

D)

View Answer
32) An ice box made of Styrofoam (thermal conductivity \[=0.01J{{m}^{=1}}K)\] is used to keep liquids cool. It has a total wall area including lid of0.8 m2 and wall thickness of 2.0 cm. A bottle of water is placed in the box and filled with ice. If the outside temperature is 30°C, the rate of flow of, heat into the box is (in Js-1)

A)

16

B)

14

C)

12

D)

10

View Answer
33) The length of two open organ pipes are \[l\] and \[(l+\Delta l)\]   respectively.   Neglecting   end corrections the beats frequency between them will be approximately

A)

\[\frac{v}{2l}\]

B)

\[\frac{v}{4l}\]

C)

\[\frac{v\Delta l}{2{{l}^{2}}}\]

D)

\[\frac{v\Delta l}{l}\]

View Answer
34) 5 g of ice of \[0{}^\circ C\] is dropped in a beaker containing 20 g of water at \[40{}^\circ C\]. The final temperature will be

A)

\[32{}^\circ C\]

B)

\[16{}^\circ C\]

C)

\[8{}^\circ C\]

D)

\[24{}^\circ C\]

View Answer
35) If a body loses half of its velocity on penetrating 3 cm in a wooden block then how much will it penetrate more before coming to rest?

A)

1 cm

B)

2 cm

C)

3 cm

D)

4 cm

View Answer
36) The minimum velocity (in ms-1) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction to avoid skidding is

A)

60

B)

30

C)

15

D)

25

View Answer
37) The energy band gap is maximum in

A)

metals

B)

superconductors

C)

insulators

D)

semiconductors

View Answer
38) The phenomenon of polarization of light indicates that

A)

light is a longitudinal waves

B)

light is transverse wave

C)

light if not a wave

D)

light travels with the velocity of\[~3\times {{10}^{8}}m/s\]

View Answer
39) The manifestation of band structure in solids is due to

A)

Heisenberg's uncertainly principle

B)

Pauli's exclusion principle

C)

Bohr's correspondence principle

D)

Boltzmann's law

View Answer
40) If there were no gravity, which of the following will not be there for a fluid?

A)

Viscosity

B)

Surface tension

C)

Pressure

D)

Archimedes' upward thrust

View Answer
41) Which one of the following is ferromagnetic?

A)

Gold

B)

Wood

C)

Manganese

D)

Nickle

View Answer
42) Two lenses have powers equal to +2 D and -4 D respectively, the power of combination will be

A)

-2D

B)

+2D

C)

-40

D)

+4D

View Answer
43) Shown below is a distribution of charges, the flux of electric field due to these charges through the surface is

A)

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

B)

zero

C)

\[\frac{2q}{{{\varepsilon }_{o}}}\]

D)

\[\frac{q}{{{\varepsilon }_{o}}}\]

View Answer
44) A steel ball is dropped from a height h and it makes a perfectly elastic collision with a horizontal plane. Following its initial release, it will make periodic motion with frequency

A)

\[2\pi \sqrt{\frac{g}{h}}\]

B)

\[2\pi \sqrt{\frac{h}{g}}\]

C)

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

D)

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

View Answer
45) Three charged particles are initially in position-1. They are free to move and they come to position-2, after some time. Let \[{{U}_{1}}\] and \[{{U}_{2}}\] be the electrostatic potential energies in position-1 and 2 then

A)

\[{{U}_{1}}={{U}_{2}}\]

B)

\[{{U}_{2}}\ge {{U}_{1}}\]

C)

\[{{U}_{2}}>{{U}_{1}}\]

D)

\[{{U}_{1}}>{{U}_{2}}\]

View Answer
46) In Young's double slit experiment are slit is covered with red filter and another slit is covered by green filter, then interference pattern will be

A)

red

B)

green

C)

yellow

D)

invisible

View Answer
47) For the stationary wave \[y=u\,\sin \,\frac{\pi x}{15}\cos \,96\,\pi t\] The distance between a node and the next antinode is

A)

7.5cm

B)

15cm

C)

22.5 cm

D)

30 cm

View Answer
48) In L-R circuit the current increases to three- fourth of its maximum value in 4s, then the time constant of the circuit is

A)

\[2\,{{\log }_{e}}\,2\]

B)

\[\frac{4}{\log {{\,}_{e}}\,2\,}\]

C)

\[\frac{2}{\log {{\,}_{e}}\,2\,}\]

D)

\[\frac{\log {{\,}_{e}}\,2\,}{2}\]

View Answer
49) 1 Wb/m2 is equal to

A)

104 G

B)

102 G

C)

10-2 G

D)

10-4 G

View Answer
50) If the earth is treated as a sphere of radius R and mass M, its angular momentum about the axis of rotation with time period T is

A)

\[\frac{\pi M{{R}^{2}}\,}{T}\]

B)

\[\frac{M{{R}^{2}}T\,}{2\pi }\]

C)

\[\frac{2\pi M{{R}^{2}}\,}{T}\]

D)

\[\frac{4\pi M{{R}^{2}}\,}{5T}\]

View Answer
51) Which one of the following is used as a moderator in nuclear reaction?

A)

Uranium

B)

Heavy water

C)

Cadmium

D)

  Plutonium

View Answer
52) The sensitiveness of a moving coil galvanometer can be increased by decreasing the

A)

number of turns in the coils

B)

are of the coil

C)

magnetic field

D)

couple per unit twist of the suspension

View Answer
53) An electric heater of resistance 6H works for 10 min on a 60 V line. The energy liberated in this period of time is

A)

\[7.2\times {{10}^{3}}J\]

B)

\[3.6\times {{10}^{s}}J\]

C)

\[43.2\times {{10}^{4}}J\]

D)

\[28.8\times {{10}^{4}}J\]

View Answer
54) The material of wire of potentiometer is made of

A)

copper

B)

steel

C)

manganin

D)

aluminium

View Answer
55) The rest mass of the photon is

A)

zero

B)

infinite

C)

between zero and infinite

D)

equal to that of electron

View Answer
56) The \[{{k}_{\alpha }}\] line from molybdenum (atomic number =42) has a wavelength of 0.7078 \[\overset{o}{\mathop{\text{A}}}\,\]. The wavelength of \[{{k}_{\alpha }}\] line of zinc (atomic number = 30) will be

A)

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

B)

1.3872\[\overset{o}{\mathop{\text{A}}}\,\]

C)

0.3541\[\overset{o}{\mathop{\text{A}}}\,\]

D)

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

View Answer
57) Decay constant of radioactive element is \[1.5\times {{10}^{9}}\]Average age of element is

A)

\[1.5\times {{10}^{9}}\]

B)

\[4.62\times {{10}^{8}}\]

C)

\[6.67\times {{10}^{8}}\]

D)

\[10.35\times {{10}^{8}}\]

View Answer
58) A potential difference V is applied the ends of a copper wire of length\[l\]and diameter d. On doubling only d, drift velocity

A)

becomes two times

B)

becomes half

C)

does not change

D)

becomes one-fourth

View Answer
59) A steady current of 5 A is maintained for 45 min. During this time it deposits 4.572 g of zinc at the cathode of a voltmeter. ECE of zinc is

A)

\[3.387\times {{10}^{-4}}\,g/C\]

B)

\[3.397\times {{10}^{-4}}\,g/C\]

C)

\[3.384\times {{10}^{-3}}\,g/C\]

D)

\[3.394\times {{10}^{-3}}\,g/C\]

View Answer
60) The earth's magnetic induction at a certain point is \[7\times {{10}^{-5}}\] Wb/m2. This is to be annulled by the magnetic induction at the centre of a circular conducting loop of radius 5 cm. The required current in the loop is

A)

0.56 A

B)

5.6 A

C)

0.28 A

D)

2.8 A

View Answer
61) Which of the following electrolytic solutions has the least specific conductance?

A)

0.02 N

B)

0.2 N

C)

2 N

D)

0.002 N

View Answer
62) Which of the following can be measured by the Ostwald-Walker dynamic method?

A)

Relative lowering of vapour pressure

B)

Lowering of vapour pressure

C)

Vapour pressure of the solvent

D)

All of the above

View Answer
63) One mole of which of the following has the highest entropy?

A)

Liquid nitrogen

B)

Hydrogen gas

C)

Mercury

D)

Diamond

View Answer
64) Catalytic dehydrogenation of a primary alcohol gives a

A)

secondary alcohol

B)

aldehyde

C)

ketone

D)

ester

View Answer
65) Methoxy methane and ethanol are

A)

position isomers

B)

chain isomers

C)

functional isomers

D)

optical isomers

View Answer
66) Amines behave as

A)

Lewis acid

B)

Lewis base

C)

aprotic acid

D)

neutral compound

View Answer
67) Dalda is prepared from oils by

A)

oxidation

B)

reduction

C)

hydrolysis

D)

distillation

View Answer
68) The chemical name of anisole is

A)

ethanoic acid

B)

methoxy benzene

C)

propanone

D)

acetone

View Answer
69) The number of disulphide linkages present in insulin are

A)

1

B)

2

C)

3

D)

4

View Answer
70) Waxes are esters of

A)

glycerol

B)

long chain alcohols

C)

glycerol and fatty acid

D)

long chain alcohols and long chain fatty acids

View Answer
71) Among the following, which is least acidic?

A)

phenol

B)

o-cresol

C)

p-nitrophenol

D)

p-chlorophenol

View Answer
72) Which of the following organic compounds answers to both iodoform test and Fehling's test?

A)

Ethanol

B)

Methanal

C)

Ethanal

D)

Propanone

View Answer
73) Lanthanides and actinides are also called

A)

short periods

B)

inner-transition elements

C)

long periods

D)

main transition elements

View Answer
74) The hydrogen electrode is dipped in a solution of\[pH=3\]at\[25{}^\circ C\]. The potential of the cell would be (the value of 2.303 RT/F is 0.059 V)

A)

0.177V

B)

0.087V

C)

\[-0.177V\]

D)

0.059V

View Answer
75) 1 mole of\[{{H}_{2}}S{{O}_{4}}\]is mixed with 2 moles of\[NaOH\]. The heat evolved will be

A)

57.3 kJ

B)

\[2\times 57.3\text{ }kJ\]

C)

57.3/2 kJ

D)

Cannot be predicted

View Answer
76) Which of the following solutions will have the highest boiling point?

A)

\[0.1\text{ }M\text{ }FeC{{l}_{3}}\]

B)

\[0.1M\,BaC{{l}_{2}}\]

C)

\[0.1\text{ }M\text{ }NaCl\]

D)

0.1 M urea

View Answer
77) Azeotropic mixture of\[HCl\]and water has

A)

48%\[HCl\]

B)

22.2%\[HCl\]

C)

36%\[HCl\]

D)

20.2%\[HCl\]

View Answer
78) One mole of a perfect gas expands isothermally to ten times of its original volume. The change in entropy is

A)

0.1R

B)

2.303 R

C)

10.0 R

D)

100.0 R

View Answer
79) For the reaction,\[{{N}_{2}}+3{{H}_{2}}2N{{H}_{3}};\]     \[\Delta H=?\]

A)

\[\Delta E+2RT\]

B)

\[\Delta F-2RT\]

C)

  \[\Delta F+RT\]

D)

\[\Delta E-RT\]

View Answer
80) 100 cc of\[0.6\text{ }N\text{ }{{H}_{2}}S{{O}_{4}}\]and 200 cc of\[0.3\text{ }N\text{ }HCl\]were mixed together. The normality of the solution will be

A)

0.2 N

B)

0.4 N

C)

0.8 N

D)

0.6 N

View Answer
81) The activation energy for most of the reactions is approximately\[50\text{ }kJ\text{ }mo{{l}^{-1}}\]. The value of temperature coefficient for such reactions is

A)

>2

B)

>3

C)

<1

D)

>4

View Answer
82) If the mass defect of\[_{4}^{9}X\]is 0.090 u, then binding energy per nucleon is (\[1u=9315MeV\])

A)

9.315 MeV

B)

931.5 MeV

C)

83.0 MeV

D)

8.38 MeV

View Answer
83) 50 mL of\[0.1\text{ }M\text{ }HCl\]and 50 mL of\[0.2\text{ }M\text{ }NaOH\]are mixed. The pH of the resulting solution is

A)

1.30

B)

4.2

C)

12.70

D)

11.70

View Answer
84) \[_{27}C{{o}^{60}}\] is radioactive because

A)

its atomic number is high

B)

it has high\[\frac{p}{n}\] ratio

C)

it has high \[\frac{n}{p}\]ratio

D)

None of the above

View Answer
85) \[KI\] and\[CuS{{O}_{4}}\]solution when mixed gives

A)

\[Cu{{I}_{2}}+{{K}_{2}}S{{O}_{4}}\]

B)

\[C{{u}_{2}}{{I}_{2}}+{{K}_{2}}S{{O}_{4}}\]

C)

\[{{K}_{2}}S{{O}_{4}}+C{{u}_{2}}{{I}_{2}}+{{I}_{2}}\]

D)

\[{{K}_{2}}S{{O}_{4}}+Cu{{I}_{2}}+{{I}_{2}}\]

View Answer
86) Which of the following will form a colorless complex?

A)

\[N{{i}^{2+}}\]

B)

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

C)

\[T{{i}^{2+}}\]

D)

\[C{{u}^{3+}}\]

View Answer
87) In the reaction, the major product A is

A)

B)

C)

D)

View Answer
88) The IUPAC name of the following compound is

A)

propionic anhydride

B)

dipropanoic anhydride

C)

ethoxy propanoic acid

D)

propanoic anhydride

View Answer
89) Hinsberg reagent is

A)

\[{{C}_{6}}{{H}_{5}}S{{O}_{3}}H\]

B)

\[{{C}_{6}}{{H}_{5}}NO\]

C)

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

D)

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

View Answer
90) Acetaldehyde cannot show

A)

iodoform test

B)

Lucas test

C)

Benedict's test

D)

Tollen's test

View Answer
91) Which of the following will be most readily dehydrated under acidic conditions?

A)

B)

C)

D)

View Answer
92) Which of the following cannot reduce Fehling solution?

A)

\[HCOOH\]

B)

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

C)

\[HCHO\]

D)

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

View Answer
93) Absolute alcohol is prepared by

A)

vacuum distillation

B)

azeotropic distillation

C)

steam distillation

D)

None of the above

View Answer
94) Which of the following compounds is resistant to nucleophilic attack by hydroxyl ion?

A)

Methylacetate

B)

Acetonitrile

C)

Acetamide

D)

Diethyl ether

View Answer
95) Ethyl amine reacts with nitrous acid to form

A)

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

B)

\[{{C}_{2}}{{H}_{5}}OH,{{N}_{2}},{{H}_{2}}O\]

C)

\[{{C}_{2}}{{H}_{5}}N_{2}^{+}C{{l}^{-}}\]

D)

\[{{C}_{2}}{{H}_{5}}NHOH,N{{H}_{3}}\]

View Answer
96) Rice is deficient in

A)

lysine

B)

alanine

C)

glycine

D)

leucine

View Answer
97) Mutarotation does not occur in

A)

sucrose

B)

D-glucose

C)

L-glucose

D)

None of these

View Answer
98) Aldehyde which is formed during photo synthesis of plants is

A)

methanal

B)

acetaldehyde

C)

propanal

D)

phenylmethanal

View Answer
99) the given structural formula is of

A)

aspartame

B)

cyclate

C)

saccharin

D)

valium

View Answer
100) Bithional is an example of

A)

antiseptic

B)

disinfectant

C)

antibiotic

D)

tranquiliser

View Answer
101) Conjugate acid of\[C{{H}_{3}}N{{H}_{2}}\]is

A)

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

B)

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

C)

\[C{{H}_{2}}NH_{2}^{+}\]

D)

\[C{{H}_{3}}\overset{-}{\mathop{N}}\,H\]

View Answer
102) In nuclear explosion, the energy is released in the form of

A)

kinetic energy

B)

electrical energy

C)

potential energy

D)

None of these

View Answer
103) Phosgene is the common name of the following compound

A)

Mixture of\[C{{O}_{2}}\]and \[C{{l}_{2}}\]

B)

\[POC{{l}_{3}}\]

C)

Carbonyl chloride

D)

Carbon tetrachloride

View Answer
104)  for the completion of the reaction suitable reagent is

A)

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

B)

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

C)

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

D)

\[NaN{{O}_{2}}+dil.HCl\]

View Answer
105) The end product in the sequence would be \[{{C}_{3}}{{H}_{7}}OH\xrightarrow[{{170}^{o}}]{{{H}_{2}}S{{O}_{4}}}A\xrightarrow{B{{r}_{2}}}B\xrightarrow[KOH]{Alc.}C\]

A)

\[C{{H}_{3}}C\equiv CH\]

B)

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

C)

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

D)

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

View Answer
106) The use of\[CC{{l}_{4}}\]as fire extinguisher depends on the fact that

A)

it is an inorganic compound

B)

it is an organic compound

C)

its vapour is much heavier than air and non-combustible

D)

it is a compound of chlorine

View Answer
107) Ether on carbonylation gives

A)

alkanoic acid

B)

alkanone

C)

alkyl alkanoate

D)

alkanal

View Answer
108) \[C{{H}_{3}}CHO+C{{H}_{3}}CHO\xrightarrow{Dil.O{{H}^{-}}}\]\[C{{H}_{3}}CH(OH)C{{H}_{2}}CHO,\]the intermediate in the above reaction is

A)

carbanion

B)

carbonium ion

C)

carbene

D)

None of these

View Answer
109) Ethanol shows intermolecular H-bonding. Which of the following property is affected by H-bonding?

A)

Volatility

B)

Boiling point

C)

Solubility

D)

All of these

View Answer
110) How many\[\alpha -\]hydrogens are present in diethyl ether?

A)

10

B)

6

C)

4

D)

2

View Answer
111) Which one of the following types of drugs reduces fever?

A)

Tranquiliser

B)

Antibiotic

C)

Antipyretic

D)

Analgesic

View Answer
112) Which of the following is a polyamide?

A)

Bakelite

B)

Terylene

C)

Nylon-66

D)

Teflon

View Answer
113) Tertiary alkyl halides are practically inert towards substitution by\[{{S}_{N}}2\]mechanism because of

A)

steric hindrance

B)

inductive effect

C)

instability

D)

insolubility

View Answer
114) Which belongs to the actinide series?

A)

\[Ce\]

B)

\[Cf\]

C)

\[Ca\]

D)

\[Cs\]

View Answer
115) For a first order reaction at\[27{}^\circ C,\]the ratio of time required for 75% completion to 25% completion of reaction is

A)

\[\log \frac{4}{3}\]

B)

\[\log \frac{3}{4}\]

C)

\[\frac{\log \,4}{\log 4/3}\]

D)

\[\frac{\log \,4/3}{\log 4}\]

View Answer
116) If the rate of reaction,\[A\to B\]doubles on increasing the concentration of A by 4 times, the order of the reaction is

A)

2

B)

1

C)

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

D)

4

View Answer
117) The group of elements in which the differentiating electrons enters in the antepenultimate shell of atoms are called

A)

\[f-\]block elements

B)

\[p-\]block elements

C)

\[s-\]block elements

D)

\[d-\]block elements

View Answer
118) Brass, bronze and german silver have one common metal. This is

A)

\[Zn\]

B)

\[Fe\]

C)

\[Al\]

D)

\[Cu\]

View Answer
119) Which one of the following aqueous solutions of salts has the lowest pH value?

A)

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

B)

\[NaCl\]

C)

\[N{{H}_{4}}OOCC{{H}_{3}}\]

D)

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

View Answer
120) Select the statement which is not true?

A)

Nylon fibres are elastic.

B)

Nylon fibres are not crease resistant.

C)

Nylon fibres are used in parachute.

D)

Both and .

View Answer
121) Entamoeba gingivalis is causative agent of

A)

pyorrhea

B)

amoebiasis

C)

bronchitis

D)

no disease but aggrevates pyorrhea

View Answer
122) Post erythrocytic cycle of Plasmodium is also called

A)

Ross cycle

B)

Krebs' cycle

C)

WBCs cycle

D)

Golgi cycle

View Answer
123) Digestion in Leucosolenia and other sponges is

A)

only extracellular

B)

only intracellular

C)

first extracellular, then intracellular

D)

first intracellular, then extracellular

View Answer
124) A cysticerous in pig muscles can remain alive for

A)

six months

B)

one year

C)

six years

D)

one month

View Answer
125) Elephantiasis is caused by

A)

Entamoeba coli

B)

trematodes

C)

cestodes

D)

Wuchereria bancrofti

View Answer
126) Tube within tube plan is exhibited by which of the following groups of animals?

A)

Arthropods

B)

Cephalochordates

C)

Annelids

D)

Mollusca

View Answer
127) Molluscan blood contains

A)

haemoglobin

B)

haemozoin.

C)

haemocyanin

D)

All of these

View Answer
128) Male mosquito is not sanguivore as

A)

it lacks cutting and biting mandibles

B)

it does not require any kind of proteins ?

C)

it lacks smelling power

D)

All of the above

View Answer
129) Moulting in snakes is done by shedding

A)

comified cells

B)

stratified germinativum

C)

epidermis

D)

dermis

View Answer
130) Leveret is young one of

A)

eagle

B)

hawk

C)

deer

D)

None of these

View Answer
131) Caudal vertebrae of man are united to form a single

A)

synsacrum

B)

pygostyle

C)

coccyx

D)

None of these

View Answer
132) Fluid mosaic model exhibits amphipathy because of

A)

glycoproteins

B)

phospholipids

C)

lipids

D)

glycolipids

View Answer
133) The repeating unit in glycogen is

A)

glucose

B)

fructose

C)

galactose

D)

cellulose

View Answer
134) Non-reducing sugars have

A)

free CHO group and bound CO group

B)

free CO group and bound CHO group

C)

both CO and CHO free groups

D)

neither free CO nor free CHO groups

View Answer
135) During   mitosis   nuclear   membrane disappears at

A)

early prophase

B)

late prophase

C)

metaphase

D)

anaphase

View Answer
136) Rarely observed phenotype in population is called

A)

wild type

B)

mutant type

C)

variant type

D)

All of these

View Answer
137) If a boy's father has haemophilia and his mother has one gene for haemophilia, what is the chance that the boy will inherit the disease?

A)

100%

B)

50%

C)

0%

D)

75%

View Answer
138) The controlling centre of cell is

A)

nucleus

B)

nucleolus

C)

mitochondria

D)

ribosome

View Answer
139) Which one of the following codons codes for the some information as UGC?

A)

UGU

B)

UGA

C)

UAG

D)

UGG

View Answer
140) In testis of frog, there are no

A)

Sertoli cells

B)

spermatocytes

C)

spermadds

D)

intestinal ceils

View Answer
141) Iron is stored in bone marrow as

A)

haemosedrin

B)

ferritin

C)

haematin

D)

None of these

View Answer
142) Red muscle cells are rich in

A)

only myosin

B)

haemoglobin and glucose

C)

lactic acid and acetic acid

D)

myoglobin and cytochrome

View Answer
143) Pepsin acts in:

A)

basic medium

B)

acidic medium

C)

neutral medium

D)

All of these

View Answer
144) One difference in breathing mechanism of frog and rabbit is that

A)

expansion of frog's lungs in not much

B)

abdominal movements more in frog

C)

diaphragm and rib muscles play important role in rabbit

D)

air reaching frog's lungs is to cool

View Answer
145) The movements of neutrophils to the site of inflammation is due to

A)

release of hormone

B)

Chemotaxis

C)

activity of antigens

D)

activations of antigens

View Answer
146) Kidney stones are crystals of

A)

sodium chloride

B)

silica

C)

calcium oxalate

D)

potassium chloride

View Answer
147) All the following are the properties of skeletal muscles except

A)

excitability

B)

contractility

C)

rhythmicity

D)

toxicity

View Answer
148) In human beings, which hormone acts as a mild growth hormone?

A)

Prolactin

B)

Oestrogen

C)

Progesterone

D)

Cortisol

View Answer
149) Which one is not diploblastic?

A)

Sponge

B)

Cnidarian

C)

Nematoda

D)

Tenophora

View Answer
150) On the basis of utility, Nagpuri buffaloes are categorized as

A)

milkers

B)

dual purpose

C)

drought cattle

D)

grazers

View Answer
151) In algae, the bacteriological filter is

A)

Oscillatoria

B)

Bafrachospermum

C)

Nostoc

D)

Cosmarium

View Answer
152) This place in India is called The Golden Mine of Liverworts'

A)

Eastern Himalayas

B)

Western Himalayas

C)

Western Ghats

D)

Eastern Ghats

View Answer
153) Which one of the following pairs of plants are not seed producers?

A)

Fem and Funaria

B)

Funaria and Ficus

C)

Ficus and Pinus

D)

All of the above

View Answer
154) What type of sorus is present in Nephrolepsis?

A)

Coenosorus

B)

Simple

C)

Mixed

D)

None of these

View Answer
155) In Pinus

A)

seed is winged but pollen grains are not

B)

both seed and pollen grains are wingless

C)

pollen grains are winged but seed is not

D)

both seeds and pollen grains are winged

View Answer
156) One of the set is wrongly matched

A)

Chrysan them urn - Sucker

B)

Garlic - Cloves

C)

Cyanodon - Stolen

D)

None of the above

View Answer
157) Conn is an

A)

underground vertical leaf

B)

underground swollen stem

C)

underground horizontal root

D)

underground horizontal leaf

View Answer
158) Which of the following plants are all roots?

A)

Podostemon

B)

Lemna

C)

Wolffia

D)

Urricularia

View Answer
159) The petiole modified into flattened lamina like structure is present in

A)

Acacia nilotica

B)

Acacia Arabica

C)

Acacia Australasia

D)

Acacia asiriculo form is

View Answer
160) In Gloriosa, the tendrillar part is formed by

A)

stipule

B)

leaf apex

C)

leaf petiole

D)

axillary bud

View Answer
161) Feathery stigma belongs to

A)

Wheat

B)

pea

C)

Datura

D)

Caesalpinia

View Answer
162) Diadelphy can be found in

A)

Pisum

B)

Citrus

C)

Bombax

D)

Brassica

View Answer
163) One of the following is not a flower

A)

Shoe flower

B)

Passion flower

C)

Sunflower

D)

May flower

View Answer
164) Catkin inflorescence is characteristic of

A)

Morus

B)

Triticum

C)

Ficus

D)

All of these

View Answer
165) Fruit of Hibiscus esculentus is

A)

capsule

B)

cypsela

C)

legume

D)

pome

View Answer
166) The naked seeded plants are the

A)

gymnosperms

B)

monocots

C)

dicots

D)

All of these

View Answer
167) Pollinia are found in

A)

Rubiaceae

B)

Asteraceae

C)

Asclepiadaceae

D)

Myrtaceae

View Answer
168) Wood commonly used for making cricket bat is:

A)

Cedrus

B)

Salix

C)

Tecrona

D)

Morus

View Answer
169) Enucleated cells at maturity are

A)

palisade cells

B)

guard cells

C)

companion cells

D)

sieve elements

View Answer
170) Sunken stomata are present in

A)

mesophyte

B)

xerophyte

C)

epiphytes

D)

All of these

View Answer
171) Atactostele vascular bundles are

A)

scattered in the ground tissue

B)

three in number

C)

in form of ring around

D)

broken vascular bundles

View Answer
172) Pure line breed refers to

A)

homozygosity

B)

heterozygosity

C)

homozygosity with only dominant genes

D)

heterozygosity and linkage

View Answer
173) Chlorophyll-a is characterized by the side group

A)

methyl

B)

aldehyde

C)

phytol

D)

ketone

View Answer
174) Which of the following plant is efficient converter of solar energy whose net productivity is \[2-4\text{ }kg/{{m}^{2}}/yr\]or even higher?

A)

Wheat

B)

Rice

C)

Sugarcane

D)

Bajra

View Answer
175) Chloroplast has maximum quantity of .......... in stroma.

A)

dehydrogenase

B)

RuDP carboxylase

C)

pyruvic carboxylase

D)

hexokinase

View Answer
176) Photorespiration takes place in plants where carbon fixation occurs through

A)

Calvin cycle

B)

Hatch and Slack cycle

C)

glycolysis

D)

Krebs' cycle

View Answer
177) When an ovary develops into a fruit without fertilization it is called

A)

porogamy

B)

apospory

C)

apogamy

D)

parthenocarpy

View Answer
178) Vivipary is shown by

A)

Cocos

B)

Squash

C)

Rhizophora

D)

All of the above

View Answer
179) GA usually promotes

A)

sterility in flowers

B)

maleness in flowers

C)

femaleness in flowers

D)

Both and

View Answer
180) Ethylene is

A)

gaseous hormone

B)

largest hormone

C)

liquid hormone

D)

solid hormone

View Answer