Solved papers for JIPMER Jipmer Medical Solved Paper-1997

Jipmer Medical Solved Paper-1997 Total Questions - 200

1) The temperature at which speed of sound in air becomes double of its value at \[0{}^\circ C\] is:

A)

\[1092\text{ }K\]

B)

\[1092{}^\circ C\]

C)

       \[819\text{ }K\]

D)

       \[819{}^\circ C\]

View Answer
2) A certain quantity of gas \[(\gamma =1.5)\] at \[127{}^\circ \] is suddenly allowed to expand to four times its original volume. The final temperature of the gas is:

A)

\[200\text{ }K\]

B)

       \[100\text{ }K\]

C)

       \[27{}^\circ C\]

D)

       \[0{}^\circ C\]

View Answer
3) A lamp of 100 W and a heater of 1 kW are in simultaneous use for 10 hours. The units of electricity consumed according to the meter in the house is:

A)

10

B)

                      9

C)

11

D)

       1

View Answer
4) The current in a circuit drops from 10 amp to 2 amp in 0.1 sec. The e.m.f. induced is 20 volts. The inductance of the circuit is :

A)

20 Henry

B)

                       0.25 Henry

C)

       2 Henry

D)

       0.5 Henry

View Answer
5) The deviation of a ray with an angle of incidence is \[i\] on a single reflection from a mirror is:

A)

180 \[2i\]

B)

                     \[i\]

C)

       90\[i\]

D)

       \[2i\]

View Answer
6) Four capacitors each of capacitance C are in parallel combination. The equivalent capacitance is:

A)

\[C\]

B)

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

C)

       \[\frac{C}{4}\]

D)

       \[4C\]

View Answer
7) In a resonance column experiment the first resonance is obtained at 16 cm and the second at 50 cm. The value of end correction is:

A)

0.5 cm

B)

                       1 cm

C)

2 cm

D)

       3 cm

View Answer
8) Two closed organ pipes are of same length but contain gases oxygen and nitrogen respectively:

A)

both have same fundamental frequency

B)

nitrogen pipe has larger fundamental frequency

C)

oxygen pipe has larger fundamental frequency

D)

oxygen pipe has a sound wave of larger wavelength

View Answer
9) The critical angle of a prism is \[41.8{}^\circ \]. What should be the refracting angle of a prism, so that a ray after grazing incidence over one lace emerges grazing over the other face?

A)

\[41.8{}^\circ \]

B)

                       \[83.6{}^\circ \]

C)

\[60{}^\circ \]

D)

       \[30{}^\circ \]

View Answer
10) A box of mass 100 kg starts from rest and slides down an inclined plane 8 m long and 5 m high. It is found to move at the bottom with a velocity of 7 m/s. The force of friction involved is:

A)

76.6 N

B)

                       306.25 N

C)

       980 N

D)

       490 N

View Answer
11) The ratio between the frequencies of two sound note is called :

A)

pitch

B)

                       quality

C)

       octave

D)

       interval

View Answer
12) Air in a cylinder is suddenly compressed and left as such. After sometime :

A)

the pressure inside increases

B)

the pressure decreases

C)

the pressure would remain the same

D)

the change of pressure cannot be exactly predicted

View Answer
13) Five dry cells each of e.m.f. 1.5 V and internal resistance \[1\Omega \] are connected in parallel. The emf of the combination is:

A)

1.5 V

B)

                     7.5 V

C)

6 V

D)

       0.3 V

View Answer
14) The distance of comfortable vision is 25 cm from a person. Where should he hold a plane mirror in order to see himself conveniently?

A)

25 cm in front

B)

6.25 cm in front

C)

                       12.5 cm in front

D)

       50 cm in front

View Answer
15) If a galvanometer has a resistance R and carries the current I. What if the shunt resistance which will reduce the current through the galvanometer to \[\frac{1}{10}\]th of its original value?

A)

\[\frac{R}{9}\]

B)

                       \[\frac{R}{10}\]

C)

\[9R\]

D)

       \[10R\]

View Answer
16) The temperature coefficient of resistance of a coil is\[0.01{}^\circ C\]. If the resistance of the coil at \[0{}^\circ C\] is 10 \[10\,\Omega \] its resistance at \[100{}^\circ C\] is:

A)

\[10\,\Omega \]

B)

                       \[9\,\Omega \]

C)

\[11\,\Omega \]

D)

       \[20\,\Omega \]

View Answer
17) The velocity of sound in air is 340 m/s. With what velocity should one approach a tuning fork of frequency 256 Hz, so that the apparent frequency is 512 Hz:

A)

340 m/s

B)

       170 m/s

C)

       680 m/s

D)

       85 m/s

View Answer
18) If the momentum of a body is increased by 50% the percentage increase in its kinetic energy becomes:

A)

50%

B)

                       100%

C)

125%

D)

110%

View Answer
19) The moment of inertia of thin circular disc is\[0.1\text{ }kg\text{ }{{m}^{2}}\]. The torque required to produce in the disc an angular acceleration of \[2\text{ }rad/{{s}^{2}}\]is :

A)

\[2\text{ }kg\text{ }m/{{s}^{2}}\]

B)

                       \[0.2\text{ }kg\text{ }{{m}^{2}}/{{s}^{2}}\]

C)

4 Nm

D)

       0.4 Nm

View Answer
20) A soap bubble has a radius 2 mm. The surface tension of soap solutions is T. The work done to double the radius of the bubble is:

A)

\[\text{4}\text{T(24 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{)J}\]

B)

\[\text{4}\text{T(4 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{)J}\]

C)

       \[\text{4}\text{T(2 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{)J}\]

D)

       \[\text{4}\text{T(6 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{)J}\]

View Answer
21) Two waves of intensities \[I\] and \[4I\] produce interference, the intensity, where they interfere constructively is:

A)

\[5I\]

B)

                       \[3I\]

C)

\[I\]

D)

       \[9I\]

View Answer
22) Dopplers effect is applicable for:

A)

both for acoustic and electromagnetic waves

B)

acoustic waves only

C)

electromagnetic waves only

D)

none of these

View Answer
23) The ratio of pressure of a given mass of air at constant volume at temperature \[30{}^\circ C\] and\[-30{}^\circ C\]:

A)

2 : 1

B)

                       1.5 : 1

C)

1.1 : 1

D)

       1.247 : 1

View Answer
24) Half-life of polonium is 140 days. 15 gram out of 16 gram of this clement will decay in:

A)

460 days

B)

                       560 days

C)

       140 days

D)

       70 days

View Answer
25) A coin is found at the bottom of a cup of water. When viewed normally it appears raised by 2 cm from its exact position. If refractive index of water is 4/3, the depth of water in the cup is :

A)

3 cm

B)

                       8 cm

C)

4cm

D)

       12cm

View Answer
26) The mean value of an A.C. signal of amplitude \[{{E}_{0}}\] and frequency 50 Hz is:

A)

zero

B)

                     \[\frac{{{E}_{0}}}{2}\]

C)

\[{{E}_{0}}\sqrt{2}\]

D)

       \[\frac{{{E}_{0}}}{\sqrt{2}}\]

View Answer
27) A siren making 600 revolutions per minute is in resonance with a tuning fork of frequency 480 Hz. The number of holes the disc of siren is:

A)

48

B)

                                       60

C)

108

D)

       96

View Answer
28) By increasing the velocity by 1 m/s a man finds his K.E. is doubled. His original speed was:

A)

\[\text{(}\sqrt{\text{2}}\text{-1)m/s}\]

B)

       \[\sqrt{\text{2}}\,\text{m/s}\]

C)

       \[\frac{\text{1}}{\text{(}\sqrt{\text{2-1)}}}\text{m/s}\]

D)

       \[\text{2}\sqrt{2\,}\text{m/s}\]

View Answer
29) The maximum speed of a car passing over a bridge in the form of arc of a circle of radius 20 m, so that the car does not leave the ground at the highest point?

A)

14 m/s

B)

       9.8 m/s

C)

       19.6 m/s

D)

       14.7 m/s

View Answer
30) A man carries a load of 40 kg on his head and then jumps down through a height h. While falling down he experiences a load of:

A)

40 kg

B)

                                       20 kg

C)

10 kg

D)

       zero

View Answer
31) If the over bridge is concave instead of being convex. The thrust on the road at the highest position will be :

A)

\[\frac{{{m}^{2}}{{\upsilon }^{2}}g}{r}\]

B)

                       \[\frac{{{\upsilon }^{2}}g}{r}\]

C)

\[mg+\frac{m\upsilon }{r}\]

D)

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

View Answer
32) A ball of mass 0.2 kg moves with the velocity of 20 m/sec and it stops-in 0.1 sec, then the force on the ball is :

A)

4 N

B)

2 N

C)

       40 N

D)

       20 N

View Answer
33) An electric motor exerts a force of 40 N on a cable and pulls it by a distance of 30 m in one minute. The power supplies by the t motor will be:

A)

20 watt

B)

                       200 watt

C)

       2 watt

D)

       10 watt

View Answer
34) The breaking stress of a wire of length \[l\] and radius r is \[5\,\,kg\,\,wt/{{m}^{2}}\]. The wire of length \[2l\] and radius 2r of the same material will have breaking stress in \[(kwt/{{m}^{2}})\]:

A)

5

B)

                       20

C)

80

D)

       10

View Answer
35) A monoatomic ideal gas initially at \[17{}^\circ C\] is suddenly compressed to one eighth of its original volume. The temperature after compression is:

A)

\[17{}^\circ C\]

B)

                       \[887{}^\circ C\]

C)

       \[16{}^\circ C\]

D)

       none of these

View Answer
36) If 25 g of ice at \[0{}^\circ C\] and 45 g of water at \[50{}^\circ C\] are mixed together the resulting temperature of the mixture is:

A)

\[0{}^\circ C\]

B)

                                       \[100{}^\circ C\]

C)

\[3.6{}^\circ C\]

D)

       \[50{}^\circ C\]

View Answer
37) A proton and an \[\alpha \]-particle are accelerated through the same potential difference. The ratio of wavelengths of de-Broglie waves associated with them is:

A)

4

B)

                       2

C)

       \[\sqrt{8}\]

D)

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

View Answer
38) In a concave mirror the position of the object is between centre of curvature and principal focus. The nature of the image is:

A)

real, inverted, diminished

B)

real, inverted and same size

C)

virtual, erect and enlarged

D)

real, inverted, enlarged

View Answer
39) The second overtone of a closed pipe and the third overtone of an open pipe are in unison. The ratio of their fundamental frequencies are:

A)

5 : 4

B)

                       4 : 5

C)

25 : 16

D)

       16 : 25

View Answer
40) A diverging lens of 10 cm focal length made of glass (\[\mu \]= 1.5) is immersed in water \[\left( \mu =\frac{4}{3} \right).\] The lens when immersed in water has a focal power:

A)

2.5 dioptre

B)

- 2.5 dioptre

C)

       10 dioptre

D)

       4 dioptre

View Answer
41) The moment of inertia of a regular circular disc of mass 0.4 kg and radius 100 cm about an axis perpendicular to the plane of the disc and passing through its centre is:

A)

\[0.002\text{ }kg\text{ }{{m}^{2}}\]

B)

\[0.02\text{ }kg\text{ }{{m}^{2}}\]

C)

       \[0.2\text{ }kg\text{ }{{m}^{2}}\]

D)

       \[2kg{{m}^{2}}\]

View Answer
42) An object weighs 700 N on earth. What will be weight on a planet having 1/7 the of earth mass and half of earths radius:

A)

400 N

B)

300 N

C)

200 N

D)

       100 N

View Answer
43) Charge on a-particle is:

A)

\[3.2\times {{10}^{-19}}C\]

B)

       \[1.6\times {{10}^{-19}}C\]

C)

       \[4.8\times {{10}^{-19}}C\]

D)

       \[3.2\times {{10}^{-21}}C\]

View Answer
44) When an electron in hydrogen in hydrogen atom is excited, from its 4th to 5th stationary orbit. The change in angular momentum of electron is: (Planck constant, \[h=6.6\,\times {{10}^{-34}}\,Js\])

A)

\[2.09\text{ }Js\]

B)

\[1.05\times {{10}^{-34}}Js\]

C)

\[3.32\times {{10}^{-34}}Js\]

D)

       \[4.16\times {{10}^{-34}}Js\]

View Answer
45) If the distance between the conduction band and valence band is 1 eV, then this combination will be:

A)

semiconductor

B)

       conductor

C)

       insulator

D)

       metal

View Answer
46) When an object is placed 20 cm from a certain lens, its virtual image is formed 10 cm from the lens. The nature and focal length of the lens is:

A)

convex, 10 cm

B)

       concave, 10 cm

C)

                       convex, 20 cm

D)

       concave, 20 cm

View Answer
47) A man cannot see objects clearly more than 1 m away and those within 50 cm. The type of lens, h fi needs is:

A)

a converging meniscus

B)

a diverging meniscus

C)

a bifocal

D)

a cylindrical lens

View Answer
48) If there were a smaller gravitational effect. Which of the following forces do you think would alter in some respect?

A)

electromagnetic force

B)

nuclear force

C)

Archimedes upthrust

D)

viscous force

View Answer
49) Heating of an object raises its temperature:

A)

always

B)

sometimes

C)

if the surroundings are hot

D)

if the surroundings are cold

View Answer
50) AT NTP the rms velocity of hydrogen molecules is 1.8 km/s. Under the same conditions the rms velocity of oxygen molecules in km/s will be:

A)

\[16\times 1.8\text{ }km/s\]

B)

\[8\times 1.8\text{ }km/s\]

C)

\[4\times 1.8\text{ }km/s\]

D)

\[1/4\times 1.8\text{ }km/s\]

View Answer
51) In a transverse progressive wave of amplitude A, the maximum particle velocity is four times its wave velocity. The wave- length of the wave is:

A)

\[2\pi A\]

B)

\[\pi A\]

C)

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

D)

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

View Answer
52) A drop of liquid having radius 2 mm has terminal velocity of 16 cm/sec. The terminal velocity of a drop of 1 mm radius will be:

A)

32 cm/sec

B)

16 cm/sec

C)

       4 cm/sec

D)

       8 cm/sec

View Answer
53) If the coefficients of cubical expansion is x times coefficient of superficial expansion, then value of x is:

A)

3

B)

2.5

C)

2

D)

       1.5

View Answer
54) A body radiates 5 W energy at a temperature of 400 K. If the temperature is increased to 1200 K. Then it radiates energy at the rate of:

A)

410 watt

B)

405 watt

C)

       200 watt

D)

       81 watt

View Answer
55) The property viscosity of a body is closely1 related to another physical property called:

A)

surface tension

B)

friction

C)

       elasticity

D)

       osmosis

View Answer
56) A body slides from rest down a frictionless track, which is a quadrant of a circle radius R. What is the speed at the bottom?

A)

\[\sqrt{2gr}\]

B)

\[g\sqrt{r}\]

C)

\[r\sqrt{g}\]

D)

       \[rg\]

View Answer
57) A solid ball of metal has a cavity inside When the ball is heated the volume of cavity:

A)

decreases

B)

increases

C)

may increases or decrease depending on which side the sphere is heated

D)

only its shape will be changed and not its size

View Answer
58) A converging lens of focal length 1 m is placed in the contact with a diveiging lens of focal length 1 m. The power of the combination is:

A)

0

B)

+ 2

C)

+1

D)

       \[\infty \]

View Answer
59) A small unshaded electric lamp of luminous intensity 32 candela is 4 m above the top of a table. What is the illuminance of the table at a point directly below the lamp?

A)

2 lux

B)

8 lux

C)

4 lux

D)

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

View Answer
60) Between two spheres, one hollow and other solid, but both having same mass and same radius, the one which is more difficult to rotate is:

A)

hollow sphere

B)

solid sphere

C)

both are equally difficult

D)

depends on which material they are made of

View Answer
61) Which of the following test is used to identify\[{{H}_{2}}{{O}_{2}}\]?

A)

Perchromic acid

B)

Dichromate paper

C)

Lead acetate paper

D)

Tailing of mercury

View Answer
62) The shape of the hydrides of group VA elements is:

A)

square planar

B)

       pyramidal

C)

tetrahedral

D)

                       trigonal planar

View Answer
63) Heavy water is obtained:

A)

dissolving heavy salts in water

B)

distillation of water

C)

relieving Ca and Mg salts from water

D)

prolonged electrolysis of water

View Answer
64) Cement is:

A)

calcium silicate + calcium aluminate

B)

calcium silicate + aluminium silicate + gypsum

C)

calcium silicate + magnesium silicate

D)

calcium silicate + magnesium silicate + gypsum

View Answer
65) The iron-carbonate ore is:

A)

haematite

B)

siderite

C)

       magnesite

D)

       iron pyrites

View Answer
66) Cassiterite is concentrated by:

A)

gravity separation

B)

roasting

C)

electromagnetic separation

D)

all the above

View Answer
67) \[AgCl\] is soluble in:

A)

water

B)

ether

C)

       sodium cyanide

D)

       ethanol

View Answer
68) Which of the following is not a periodic property?

A)

Density

B)

Atomic volume

C)

       Mass number

D)

       lonization energy

View Answer
69) Which of the following gas is colourless and odourless?

A)

\[CO\]

B)

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

C)

       \[HCl\]

D)

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

View Answer
70) Ortho and para hydrogen:

A)

have different masses

B)

have different atomic number

C)

differ in the spin of their nuclei

D)

differ in the spin of their electrons

View Answer
71) The superior type of laboratory apparatus are made of:

A)

soda-lime glass

B)

hard glass

C)

       flint glass

D)

       pyrex glass

View Answer
72) Pick the odd one out:

A)

positron

B)

cyclotron

C)

       neutron

D)

       electron

View Answer
73) The element with the highest first ionization potential is:

A)

boron

B)

carbon

C)

       nitrogen

D)

       oxygen

View Answer
74) Which of the following has the smallest size?

A)

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

B)

\[Ar\]

C)

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

D)

       \[T{{i}^{4+}}\]

View Answer
75) Which of the following is not true? An element, with high electronegativity is, generally:

A)

having a high ionization potential

B)

having high electron affinity

C)

a metal

D)

having small size

View Answer
76) The value of \[I{{E}_{1}},\,I{{E}_{2}},\,I{{E}_{3}},\,I{{E}_{4}}\] and \[I{{E}_{5}}\] of an element are 7.1, 14.3, 34.5, 46.8 and 162.2 eV respectively. The element is likely to be:

A)

Na

B)

Si

C)

F

D)

       Ca

View Answer
77) To what radioactive family does \[P{{b}^{207}}\] belongs?

A)

\[T{{h}^{232}}\]

B)

\[N{{p}^{237}}\]

C)

\[A{{c}^{227}}\]

D)

       \[{{U}^{238}}\]

View Answer
78) When the same amount of Al is treated with an excess of \[HCl\] and \[NaOH\], the volumes of hydrogen evolved are in the ratio of:

A)

1 : 1

B)

2 : 3

C)

1 : 2

D)

       2 : 1

View Answer
79) The equivalent weight of Mohrs salt is:

A)

56

B)

                       158

C)

278

D)

       392

View Answer
80) The Tyndall effect, associated with colloidal particle is due to:

A)

the presence of electrical charge

B)

scattering of light

C)

absorption of light

D)

reflection of light

View Answer
81) The pH of an aqueous solution is 10.8. It:

A)

turns pink with phenolphthalein

B)

turns yellow with phenolphthalein

C)

has no action on phenolphthalein

D)

turns from red to yellow with phenol-phthalein

View Answer
82) For the basic buffer solution the pH is 9.3. The pH can be increased by:

A)

increasing the concentration or me sail g

B)

increasing the concentration of the base

C)

decreasing the concentration of the base

D)

decreasing the \[{{K}_{b}}\] value of the base

View Answer
83) Which of the following is observed when some solvent is added to a dilute solution of a non-volatile solute?

A)

Increase of vapour pressure

B)

Depression of freezing point

C)

Elevation of boiling point

D)

Increase of osmotic pressure

View Answer
84) If the rate of a chemical reaction between gases, is independent of pressure, then the order of reaction is :

A)

0

B)

                                       1

C)

2

D)

       3

View Answer
85) At \[250{}^\circ C,\] the time for half-change for the thermal dissociation of \[{{N}_{2}}{{O}_{5}}\] is 5.7 hours. The specific rate constant is given by:

A)

\[\frac{1}{5.7}\text{hou}{{\text{r}}^{-1}}\]

B)

\[\frac{\ln \,2}{5.7}\text{hou}{{\text{r}}^{-1}}\]

C)

\[\ln \frac{2}{5.7}\text{hou}{{\text{r}}^{-1}}\]

D)

       \[0.5\,\,\text{hou}{{\text{r}}^{-1}}\]

View Answer
86) The units for the equilibrium constant for the reaction \[{{N}_{2}}(g)+3{{H}_{2}}(g)\rightleftharpoons 2N{{H}_{3}}(g)\]are:

A)

\[at{{m}^{-2}}\]

B)

\[at{{m}^{-1}}\]

C)

       \[atm\]

D)

       \[at{{m}^{2}}\]

View Answer
87) The volume occupied by 1 mole of a gas at 0.5 atm and 335 K is:

A)

50.1

B)

60.1

C)

55.1

D)

       45.1

View Answer
88) The inversion temperature for a van der Waals gas is given by:

A)

\[{{T}_{i}}=\frac{2a}{Rb}\]

B)

\[{{T}_{i}}=\frac{a}{Rb}\]

C)

\[{{T}_{i}}=\frac{a}{2Rb}\]

D)

       \[{{T}_{i}}=0.5\,{{T}_{Boyle}}\]

View Answer
89) Which of the following statement, on the basis of kinetic theory of gases, is incorrect?

A)

the velocity of the particle is proportional to the pressure of the particles

B)

the collision between the particles are elastic

C)

the velocity of the particles is proportional to the square root of the temperature

D)

the collisions between the particles and the walls of the vessel are elastic

View Answer
90) In the dissociation of \[HI(g)\], it is found that 20% of \[HI\]is dissociated. The equilibrium constant will be:

A)

0.0625

B)

16

C)

0.0156

D)

64

View Answer
91) Ratio of radius of atom to that of nucleus is of the order of:

A)

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

B)

\[{{10}^{-15}}\]

C)

       \[{{10}^{5}}\]

D)

       \[{{10}^{-5}}\]

View Answer
92) Zeeman effect explains splitting of lines in:

A)

magnetic field

B)

electric field

C)

       both (a) and (b)

D)

       none of these

View Answer
93) The density of phosphorus vapour at \[310{}^\circ C\] and 775 mm Hg is 2.64 g/l. Molecular formula of phosphorus is:

A)

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

B)

       \[{{P}_{4}}\]

C)

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

D)

       \[{{P}_{8}}\]

View Answer
94) What is the normality of 0.30 M \[{{H}_{3}}P{{O}_{4}}\] (a tribasic acid) in the following reaction? \[{{H}_{3}}P{{O}_{4}}+2O{{H}^{-}}\xrightarrow{{}}HPO_{4}^{--}+2{{H}_{2}}O\]

A)

0.30 N

B)

0.60 N

C)

       0.90 N

D)

       0.15 N

View Answer
95) Rate constant of a first order reaction is\[0.0693\,\,{{\min }^{-1}}\]. If we start with \[20\,mol\,{{L}^{-1}},\] it is reduced to \[2.5\,mol\,{{L}^{-1}}\] in:

A)

10 min

B)

                                       20 min

C)

       30 min

D)

       40 min

View Answer
96) Out of internal energy (A), temperature (B), pressure (C), volume (D), work (E) and heat (F), state functions are:

A)

A, B, C, D

B)

       A, B, C, E, F

C)

       A, E, F

D)

       A, C, E

View Answer
97) An endothermic reaction is spontaneous if:

A)

\[\Delta \,H>T\cdot \Delta \,S\]

B)

\[\Delta \,H<T\cdot \Delta \,S\]

C)

                       \[\Delta \,H=T\cdot \Delta \,S\]

D)

       \[T\cdot \Delta \,S=0\]

View Answer
98) \[C{{H}_{3}}\cdot CH=C=C{{H}_{2}}\] has:

A)

only \[sp\text{-}\]hybridised carbon atoms

B)

both \[sp\] and \[sp\text{-}\]hybridised atoms

C)

only \[s{{p}^{2}}\text{-}\]hybridised carbon atoms

D)

\[sp,s{{p}^{2}}\] and \[s{{p}^{3}}\text{-}\]hybridised carbon atoms

View Answer
99) Which of the following statement is wrong?

A)

In tautomerism, the tautomers exist as an equilibrium mixture

B)

In resonance, the resonating structure exist as an equilibrium mixture

C)

A branched chain isomer has a lower boiling point than the corresponding straight chain compound

D)

The dextro and laevo forms of an optically active substance are not super-imposable

View Answer
100) Which of the following substance possesses an odour of bitter almonds?

A)

Aniline

B)

Acetone

C)

Benzaldehyde

D)

Benzene sulphonic acid

View Answer
101) Picric acid is:

A)

m-nitrophenol

B)

2, 4, 6-trinitro-phenol

C)

p-nitro-phenol

D)

m-nitro benzoic acid

View Answer
102) When glycerol is heated with excess of oxalic acid at \[110{}^\circ C,\] it forms:

A)

acetic acid

B)

       acetaldehyde

C)

                       formic acid

D)

       allyl alcohol

View Answer
103) Conversion of n-hexane to benzene, in the presence of chromic acid, is called:

A)

hydrogenation

B)

       dehydrogenation

C)

       isomerisation

D)

       aromatization

View Answer
104) The chemical name for grain alcohol is:

A)

methanol

B)

       ethanol

C)

       amyl alcohol

D)

       butyl alcohol

View Answer
105) A compound undergoes the following reactions: (i) With saturated \[NaHS{{O}_{3}},\] it gives a white precipitate. (ii) On reduction, it gives a secondary alcohol. (iii) With \[{{I}_{2}}\] sodium carbonate, it gives iodoform. The compound is:

A)

acetaldehyde

B)

acetamide

C)

acetone

D)

ethylene dibromide

View Answer
106) Benzyl alcohol is prepared from benzaldehyde by:

A)

Friedel-Crafts reaction

B)

Cannizzaro reaction

C)

Kolbes reaction

D)

Reimer-Tiemann reaction

View Answer
107) When ethylene is passed into cold, dilute alkaline \[KMn{{O}_{4}},\] the product is:

A)

glycol

B)

methanol

C)

acetylene

D)

two moles of \[C{{O}_{2}}\]

View Answer
108) In the hydrogenation reaction given below, the hybrid state of the carbon atom changes from: \[{{C}_{2}}{{H}_{2}}\xrightarrow{{{H}_{2}}/Ni}{{C}_{2}}{{H}_{4}}\xrightarrow{{{H}_{2}}/Ni}{{C}_{2}}{{H}_{6}}\]

A)

\[sp-s{{p}^{2}}-s{{p}^{3}}\]

B)

       \[s{{p}^{3}}-s{{p}^{2}}-sp\]

C)

       \[s{{p}^{2}}-sp-s{{p}^{3}}\]

D)

       \[s{{p}^{3}}-sp-s{{p}^{2}}\]

View Answer
109) The most favourable condition for the alcoholic fermentation of sugar, are:

A)

high concentration of sugar solution, low temperature and plenty of air

B)

low concentration of sugar solution high temperature and absence of air

C)

low concentration of sugar solution low temperature and plenty of air supply

D)

high concentration of sugar solution low temperature and absence of air

View Answer
110) At room temperature, formaldehyde changes to:

A)

trioxane which does not reduce Tollens reagent

B)

paraformaldehyde

C)

hexose

D)

none of the above

View Answer
111) The most volatile of the following compound is:

A)

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

B)

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

C)

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

D)

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

View Answer
112) What is the product when, phenol reacts with diazomethane?

A)

Acetophenone

B)

Diazonium salt

C)

       Aniline

D)

       Anisole

View Answer
113) The compound with the smell of peppermint, is:

A)

ethyl acetate

B)

ethyl benzoate

C)

methyl acetate

D)

       methyl salicylate

View Answer
114) Azodyes are:

A)

acid dyes

B)

      ingrain dyes

C)

       mordant dyes

D)

       basic dyes

View Answer
115) Which of the following is not a water soluble vitamin?

A)

Thiamin \[({{B}_{1}})\]

B)

Riboflavin \[({{B}_{2}})\]

C)

       Ascorbic acid (C)

D)

       Calciferol (D)

View Answer
116) Dynamite is a mixture of nitroglycerine:

A)

saw dust and \[N{{H}_{4}}N{{O}_{3}}\]

B)

and cellulose nitrate

C)

and cellulose acetate

D)

cellulose nitrate and vaseline

View Answer
117) The alloy of copper, which does not contain zinc is:

A)

brass

B)

                       bronze

C)

       gun metal

D)

       german silver

View Answer
118) Nesslers reagent is:

A)

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

B)

                       \[KOH+Hg{{I}_{2}}\]

C)

                       \[{{K}_{2}}Hg{{I}_{4}}\]

D)

       none of these

View Answer
119) An exothermic reaction with \[\Delta S=-ve,\,\]is:

A)

spontaneous at all temperatures

B)

non-spontaneous at low temperatures

C)

non-spontaneous at high temperatures

D)

spontaneous at high temperatures

View Answer
120) Smoke is an example of:

A)

emulsion

B)

aerosol

C)

       foam

D)

       suspension

View Answer
121) The total number of ovarioles in Periplancta american is:

A)

16

B)

   8

C)

                                       64

D)

       32

View Answer
122) Taenia solium belongs to class:

A)

Nematoda

B)

       Trematoda

C)

       Cestoda

D)

       Turbellaria

View Answer
123)                 After how many moults does around worm grow into an adult in human intestine?

A)

1

B)

                                       2

C)

   3

D)

                       4

View Answer
124)                 Each of the numerous tiny apertures on the body of sponge is known as:

A)

osculum

B)

                       ostium

C)

   prosopyle

D)

       apopyle

View Answer
125) Schuffmers dots are related to:

A)

R.B.C of man

B)

   luckocytes of frog

C)

   epithelium of stomach of mosquito

D)

   Entamoeba histolytica

View Answer
126) Lamarck published his views on concepts of evolution in 1809 in his book:

A)

The origin of Species

B)

   System Naturae

C)

   Species Plantarum

D)

   Philosophic Zoologique

View Answer
127) Birds like eagle and hawk in a grassland ecosystem are regarded as:

A)

secondary consumers

B)

   primary consumers

C)

   neuston

D)

   tertiary consumers

View Answer
128) The gene for haemophilia is known to be located on:

A)

Y chromosome

B)

       X chromosome

C)

       autosome no 21

D)

       autosome no 18

View Answer
129) Presence of vestigial organs is in favour of which of the following theories?

A)

de Vries theory

B)

       Darwins theory

C)

       Lamarcks theory

D)

       None of the above

View Answer
130) The portal system seen in all vertebrates is:

A)

hepatic

B)

                       renal

C)

   both (a) and (b)

D)

   pulmonary

View Answer
131) What does glomerular filtrate consist of?

A)

Water and plasma proteins

B)

Water and urea

C)

Water, urea, glucose and inorganic salts

D)

Water, urea, glucose, inorganic salts and Lipids

View Answer
132) The tadpole resembles fish most during this stage:

A)

Newly hatched larva

B)

   Internal gill stage

C)

   External gill stage

D)

       Early tadpole stage

View Answer
133) Which of the following plants keeps its stomata open during the night and closed during the day?

A)

Hibiscus

B)

                       Cactus

C)

   Ivy

D)

       Water lily

View Answer
134) Which one of the following is a genetic disease?

A)

Phenylketonuria

B)

       Blindness

C)

       Cataract

D)

       Leprosy

View Answer
135) Human eye lens is:

A)

spherical and can be moved forward

B)

   biconvex and cannot be moved forward

C)

   spherical and cannot be moved forward

D)

   biconvex and can be moved forward

View Answer
136) Octonucleated cyst stage is found in:

A)

Entamoeba coli

B)

                       Entamoeba histolytica

C)

   Leishumania

D)

      Trypnosoma

View Answer
137) Protozoan living in the seminal vesicles of earthworm is:

A)

Monocystis

B)

       Balantidium

C)

       Trichonympha

D)

       Opalina

View Answer
138) The nomenclature where in the name of sub- species is also indicated and is latinised is:

A)

binomial nomenclature

B)

   tautonym

C)

       trinomial nomenclature

D)

   sub- class

View Answer
139) A person suffers from beriberi, ricket and scurvy if he is not taking adequate amounts of:

A)

vitamin \[{{B}_{12}}\] A and C

B)

   vitamin \[{{B}_{1}}\], D and C

C)

   vitamin A, B and E

D)

   vitamin \[{{B}_{6}}\], A and K

View Answer
140) Skin plays a very important role in osmoregulation in frog by:

A)

active outflow of water

B)

   osmotic inflow of water

C)

   active uptake of salts

D)

   passive inward diffusion of salt

View Answer
141) The presence of the blood pigment haemocyanin is a characteristic of the following animals:

A)

Asterias and Taenia

B)

   Fasciola and Cockroach

C)

   Pila and Pheretima

D)

   Pila and Carcinus

View Answer
142) Smooth muscle fibres are:

A)

cylindrical, unbranched, striated, multinucleate and voluntary

B)

   spindle- shaped, unbranched, non- striated, uninucleate and involuntary

C)

   cylindrical, unbranched, non-striated, multinucleate and involuntary

D)

   spindle-shaped, unbranched, striated, uninucleate and voluntary

View Answer
143) Planktons are organisms which are:

A)

surface floaters

B)

   free swimmers

C)

       deep seas forms

D)

       burrowing forms

View Answer
144) Glaucoma is an eye-disease arising from:

A)

increased pressure of fluid in eye-ball

B)

   elongation of eye-ball

C)

   shortening of eye-ball

D)

   irregularity in the surface of cornea

View Answer
145) The blood pressure is high in:

A)

arteries

B)

   veins

C)

   capillaries

D)

                       veins of portal system

View Answer
146) Which of the following does not produce uric acid as the main excretory product?

A)

Cockroach

B)

                       Pigeon

C)

   Spider

D)

       Hen

View Answer
147) The point mutations A to G, C to T, C to G and T to A in DNA are:

A)

transition, transition, transversion and transversion respectively

B)

   transition, transversion, transition and transversion respectively

C)

   transversion, transversion, transition and transversion respectively

D)

   all four are transition

View Answer
148) The component of all living cell involved in transcription is:

A)

nucleus

B)

   all cell membrane system

C)

   cell wall

D)

   plasmodesmata

View Answer
149) Percentage of water left in the soil when a plant wilts is known as:

A)

turgidity coefficient

B)

   wilting coefficient

C)

   field capacity

D)

   water retaining capacity of the soil

View Answer
150) Which is the best soil for plant growth?

A)

Loamy soil

B)

   Sandy soil

C)

   Gravel

D)

   Clayey soil

View Answer
151) The activator of intestinal juice is:

A)

succusentericus

B)

   secretin

C)

   enterocrinin

D)

   enterozymase

View Answer
152) The canal seen in the bone of mammals are

A)

Haversian canals only

B)

   Volkmanns canals only

C)

   both (a) and (b)

D)

   Canal of Schlemm

View Answer
153) Posterior zygapophyses are absent in:

A)

atlas

B)

   sacral vertebra

C)

       eighth

D)

       first

View Answer
154) Which statement is true?

A)

Spores and gametes are invariable diploids

B)

   Spores and gametes are invariably halploids

C)

   Only gametes are invariably haploids

D)

   Only spores are invariably diploids

View Answer
155) Aril is edible in:

A)

jackfruit

B)

   litchi

C)

   castor

D)

       maize

View Answer
156) The green upright sterile hair-like structures among the antheridia of are known as:

A)

apophysis

B)

   perigonial leaves

C)

                       trabeculae

D)

       paraphyses

View Answer
157) Which of the following features is true for Pinus?

A)

Haploid endosperm

B)

   Biciliated sperms

C)

   Double fertilization

D)

       Presence of antheridia

View Answer
158) Gametophyte generation in pteridophytesis commonly called:

A)

thallus

B)

   plant body

C)

       prothallus

D)

       protonema

View Answer
159) The smallest unit of classification is:

A)

genus

B)

       species

C)

   order

D)

       kingdom

View Answer
160) In trees death of protoplasts is essential fora vital function such as:

A)

stomatal movements

B)

   water transport

C)

   food transport

D)

       both (b) and (c)

View Answer
161) Vascular cambium is a meristematic layer that cuts off:

A)

primary xylem and primary phloem

B)

   xylem vessels and xylem tracheids

C)

   primary xylem and secondary xylem

D)

   secondary xylem and secondary phloem

View Answer
162) Under aerobic respiration maximum energy is released and utilized for K production of ATP molecules in:

A)

Krebs cycle

B)

       glycolysis

C)

   oxidative decarboxylation

D)

   respiratory chain

View Answer
163) The substrate for photorespiration is:

A)

asparate

B)

       malate

C)

   pyruvate

D)

       glycolate

View Answer
164) Banana fruits are seedless because:

A)

they are artificially ripened

B)

   banana plant are triploids

C)

   banana   plants   are   vegetatively propagated

D)

   gibberellin is sprayed for rapid development of fruits

View Answer
165) Chlorosis, etiolation and albinism are caused by deficiency of:

A)

iron, light and certain genes

B)

   zinc, iron and magnesium

C)

   magnesium, iron, zinc, light and certain genes

D)

   magnesium, zinc and light

View Answer
166) The tapetum performs the function of:

A)

dehiscene

B)

       mechanical

C)

       protection

D)

       nutrition

View Answer
167) The cleavage in frog development is:

A)

equal holoblastic

B)

                       equal heteroblastic

C)

   unequal holoblastic

D)

   none of these

View Answer
168) In coffee seeds, perisperm is the source of coffee. This perisperm is a persistent:

A)

funicle

B)

       raphae

C)

   nucellus

D)

   chalaza

View Answer
169) Fluid mosaic model assumes that the cell membrane consists of:

A)

two lipid layers having a mosaic arrangement

B)

   a protein layer smeared over a lipid bilayer

C)

   a semifluid unit membrane, where lipids and proteins move

D)

   a fluid lipid bilayer

View Answer
170) The translation step in the process of protein synthesis which is the conversion of the language of nucleic acids in that of proteins, is made by a charged form of:

A)

m-RNA

B)

       r-RNA

C)

   r-RNA

D)

       template DNA

View Answer
171) Lysosome along with the food content is called:

A)

primary lysosome

B)

       secondary lysosome

C)

   residual bodies

D)

   cytosome

View Answer
172) The diffusion of. a dissolved substance through a differentially permeable membrane is:

A)

dialysis

B)

       osmosis

C)

   imbibitions

D)

       Brownian movement

View Answer
173) Which one of the ways of controlling the spread of a fungal disease is crop rotation. This is done because:

A)

fungi unlike viruses are not host specific. To complete the life cycle they will infect the alternate host

B)

   these fungi are host specific. They will not grown on another host and the spores present in the soil will lose their viability the time the crop is shown again

C)

   though these fungi are host specific, in the absence of the host, they can switch over to the alternate host

D)

   the crop used for rotation exudes certain chemicals which toxic for the fungus and hence kill it

View Answer
174) The food in onion is stored in the form of:

A)

protein

B)

       starch

C)

   sugar

D)

   cellulose

View Answer
175) Ribosomes of bacteria, mitochondria prokaryotes and chloroplasts are of:

A)

30S type

B)

   70S type

C)

   80S type

D)

   50S type

View Answer
176) When yeast ferments glucose the products are:

A)

ethanol and carbon dioxide

B)

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

C)

   water and carbon dioxide

D)

   ethanol and water

View Answer
177) Anastral mitosis is the characteristic of:

A)

lower animals

B)

   higher animals

C)

   higher plants

D)

   all living organisms

View Answer
178) The genetic material of bacteria is present as:

A)

spherosome

B)

       genophore

C)

       lomasomes

D)

       mesosome

View Answer
179) Which of the following is an edible fungus?

A)

Neurosporn

B)

       Penicillium

C)

                       Agaricus

D)

   Rhizopus

View Answer
180) Heterotrichous habit is shown by:

A)

Ulothrix

B)

   Oedogonium

C)

   Chlamydomonas

D)

   Stigeoclonium

View Answer
181) Directions: In the following questions, out of the four altenatives, choose the one which expresses the right meaning of the word given in bold and mark it in the Answer Sheet. Credit

A)

debit

B)

defend

C)

cunt

D)

       intend

View Answer
182) Directions: In the following questions, out of the four altenatives, choose the one which expresses the right meaning of the word given in bold and mark it in the Answer Sheet. Adapt

A)

to add

B)

       to a ward

C)

       to adjust

D)

       to join

View Answer
183) Directions: In the following questions, out of the four altenatives, choose the one which expresses the right meaning of the word given in bold and mark it in the Answer Sheet. Emit

A)

give off

B)

       let in

C)

       to keep out

D)

       acknowledge

View Answer
184) Directions: In the following questions, four alternatives are given for the key word or sentence. Choose the alternative which best expresses the meaning and mark it in the Answer Sheet. It is necessary to have a doctors prescription in order to buy most medicines in England.

A)

In most of the countries, doctors give prescription for medicine

B)

In England, most doctors give prescription for medicine

C)

In England, medicine must be bought with prescription instead o(money

D)

Most medicines cannot be bought without prescription in England

View Answer
185) Directions: In the following questions, four alternatives are given for the key word or sentence. Choose the alternative which best expresses the meaning and mark it in the Answer Sheet. The label on this medicine bottle clearly warns not to take thrice a day.

A)

Eight tablets a day

B)

Three tablets a day

C)

Twenty-four tablets a day

D)

Six tablets a day

View Answer
186) Directions: In the following questions, four alternatives are given for the key word or sentence. Choose the alternative which best expresses the meaning and mark it in the Answer Sheet. The thieves escaped from the police through the service exit:

A)

got up

B)

got to

C)

got away

D)

got over

View Answer
187) Directions: In the following questions, four alternatives are given for the key word or sentence. Choose the alternative which best expresses the meaning and mark it in the Answer Sheet. He said. Let me go, my dear.

A)

He told let him go.

B)

Using an affectionate epithet, he asked him to let him go.

C)

He told if he could go.

D)

He said my dear and asked to go.

View Answer
188) Wait, Sir, wait. I am going to show you a piece that your......... wife will love to have.

A)

hard-to-please

B)

       hard headed

C)

                       hard-hearted

D)

       hard to manage

View Answer
189) You dont want to hurt her feelings .........?

A)

dont you

B)

       isnt is so

C)

do you

D)

       am I right

View Answer
190) In these days of inflation we all have to ?...... our belts.

A)

strengthen

B)

       lessen

C)

       tighten

D)

       shorten

View Answer
191) We shall stop shouting ??.... you do.

A)

as soon as

B)

       till

C)

       as long as

D)

       unless

View Answer
192) One has to respect??... elders.

A)

their

B)

       ones

C)

       his

D)

       ones

View Answer
193) Man is still a ......... in the labour market.

A)

possibility

B)

       provision

C)

       glut

D)

       commodity

View Answer
194) The citizens budget committee criticised the proposed law as .......... and wasteful.

A)

possible

B)

       illogical

C)

helpful

D)

       completed

View Answer
195) The Supposed Theory is:

A)

widely accepted

B)

relatively new

C)

not considered very important

D)

subject to disagreement

View Answer
196) I didnt know the answer and ..........

A)

neither did he

B)

              he wont, either

C)

he didnt either

D)

                he neither did

View Answer
197) I had rather you ?..... her to cinema this evening.

A)

accompany

B)

       will accompany

C)

       accompanied

D)

       had accompanied

View Answer
198) The absent-minded Professor put his book..... the refrigerator and the egg tray ..... his table.

A)

within, over

B)

       beneath, beside

C)

                       in, above

D)

                      in, on

View Answer
199) Although he ran as........ as he could, he did not win the race.

A)

faster

B)

       very fast

C)

       fastly

D)

       fast

View Answer
200) ??.... how many hours have you been waiting for your cousin?

A)

By

B)

       From

C)

       Since

D)

       For

View Answer

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