Solved papers for EAMCET Medical EAMCET Medical Solved Paper-1996

EAMCET Medical Solved Paper-1996 Total Questions - 200

1) A point on the rim of a wheel 400 cm in diameter has a velocity of 1600 cm/s. The angular velocity of the wheel is:

A)

6 rad/s

B)

4 rad/s

C)

2 rad/s

D)

8 rad/s

View Answer
2) Earth is flattened at poles, bulged at the equator. This is due to:

A)

the angular velocity of spinning about its axis is less at the equator

B)

the angular velocity of spinning about its axis is more at the equator

C)

the centrifugal force is more at the equator than at the poles

D)

earth revolve round the sun in an elliptic orbit

View Answer
3) The radius vector drawn from the sun to a planet sweeps out...... areas in equal time:

A)

exponential

B)

equal

C)

unequal

D)

zero

View Answer
4) The escape velocity of a sphere of mass m is given   by (G = universal   gravitational constant, M = mass of the earth, Re = radius of the earth):

A)

\[\sqrt{\frac{2R{{M}_{e}}}{{{R}_{e}}}}\]

B)

\[\sqrt{\frac{2G{{M}_{e}}m}{{{R}_{e}}}}\]

C)

  \[\sqrt{\frac{G{{M}_{e}}}{{{R}_{e}}}}\]

D)

\[\sqrt{\frac{GM}{{{R}_{e}}}}\]

View Answer
5) The linear acceleration of the centre of gravity of a ball which rolls down without slipping down an inclined plane with an angle of inclination of \[30{}^\circ \] will be:

A)

\[2.44m/{{s}^{2}}\]

B)

\[4.9m/{{s}^{2}}\]

C)

\[3.27m/{{s}^{2}}\]

D)

\[3.5m/{{s}^{2}}\]

View Answer
6) Pick out the correct statement regarding acceleration due to gravity:

A)

it increases with height above the earth surface

B)

it is affected by the earths rotation

C)

it is more at the equator than at the poles

D)

in increases with depth from the earths surface

View Answer
7) A simple pendulum from earth is shifted on to moon (g = 1/6 g). For 1 minute on earth, the time on moon as measured by this pendulum is (in second):

A)

30.6

B)

147

C)

10.5

D)

60.0

View Answer
8) The time period of a simple pendulum is 2 s. If its length is increased by 4 times, the period becomes:

A)

6 s

B)

2 s

C)

8 s

D)

4 s

View Answer
9) According to Hooks law of elasticity, the ratio of stress to strain:

A)

remains constant

B)

increases

C)

decreases

D)

zero

View Answer
10) Depth of water at which air bubble of radius 0.4 mm may remain in equilibrium (surface tension   of   water   \[=72\times {{10}^{-3}}N/m,\] acceleration due to gravity\[=\text{ }9.8\text{ }m/{{s}^{2}}\]):

A)

7.3 cm

B)

0.9 cm

C)

1.8 cm

D)

3.6 cm

View Answer
11) If the unit of length, mass and time each is doubled, the unit of work is increased by:

A)

2 times

B)

6 times

C)

4 times

D)

8 times

View Answer
12) Dimensional formula of \[\frac{{{e}^{4}}}{{{\varepsilon }_{0}}^{2}{{m}_{p}}{{m}_{e}}^{2}{{c}^{2}}G}\] is: (where e = charge, \[{{m}_{p}}\]and \[{{m}_{e}}\], are masses \[{{\varepsilon }_{0}}=\] permittivity of free space, c = velocity of light and G = gravitational constant):

A)

[M]

B)

[T]

C)

[\[\pi \]]

D)

[I4 T2 M]

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

A)

\[20{}^\circ \]

B)

\[135{}^\circ \]

C)

\[120{}^\circ \]

D)

\[45{}^\circ \]

View Answer
14) A bus accelerates uniformly from rest and acquires a speed of 36 km/h in 10 second. The acceleration is:

A)

\[1000\text{ }m/{{s}^{2}}\]

B)

\[\text{1 }m/{{s}^{2}}\]

C)

\[100\text{ }m/{{s}^{2}}\]

D)

\[10\text{ }m/{{s}^{2}}\]

View Answer
15) A stone is thrown vertically up from the ground. It reaches a maximum height of 5C metre in 10 sec. After what time it will reach the ground from the maximum height position?

A)

1.20 s

B)

5 s

C)

10 s

D)

25 s

View Answer
16) A body thrown up with a velocity reaches a maximum height of 50 m. Another body with double the mass thrown up. With double the initial velocity will reach a maximum height of:

A)

100 m

B)

200 m

C)

10 m

D)

400 m

View Answer
17) A body p moving with a velocity of 20 km. 5 collides with other body Q of the same mass at rest. If after collision p comes to rest. What is the velocity of the body Q?

A)

30 km/s

B)

20 km/s

C)

10 km/s

D)

40 km/s

View Answer
18) A brick of mass 2 kg just begins to slide down an inclined plane at an angle of 45 s with the horizontal. The force of friction will be:

A)

\[19.6\text{ }cos\text{ }45{}^\circ \]

B)

\[19.6\text{ }sin\text{ }45{}^\circ \]

C)

\[9.8\text{ }sin\text{ }45{}^\circ \]

D)

\[9.8\text{ }cos\text{ }45{}^\circ \]

View Answer
19) A 30 kg box has to move up an inclined slope of \[30{}^\circ \] to the horizontal at a uniform velocity of 5 m/s. If the frictional force retarding the motion is 250 N the horizontal force in newtons to move up is\[(g=10\text{ }m/{{s}^{2}})\]:

A)

400 \[\sqrt{2}\]N

B)

400 N

C)

\[\frac{400\sqrt{3}}{2}N\]

D)

\[400\times 2\sqrt{3}N\]

View Answer
20) The angular speed of seconds hand in a mechanical watch in rad/s is:

A)

\[\pi \]/6

B)

\[\pi \]/30

C)

\[\pi \]/60

D)

\[\pi \]/12

View Answer
21) The lower end of a capillary. tube touches a liquid whose angle of contact is 90s. The liquid:

A)

will neither rise nor will fall inside the tube

B)

will rise inside the tube

C)

will rise to the top of the tube

D)

will be depressed inside the tube

View Answer
22) A capillary tube when immersed vertically in a liquid records a rise of 3 cm. If the tube is held immersed in the liquid at an angle of \[60{}^\circ \] with the vertical, the length of the liquid column along the tube will be:

A)

3 cm

B)

2\[\sqrt{2}\]cm

C)

15 cm

D)

6 cm

View Answer
23) The coefficient of volume expansion is:

A)

less than the coefficient of linear expansion

B)

twice the coefficient of linear expansion

C)

equal to the coefficient of linear expansion

D)

thrice the coefficient of linear expansion

View Answer
24) An ideal gas is heated from \[20{}^\circ C\] to \[40{}^\circ C\] under constant pressure. The change in internal energy is:

A)

zero under constant pressure

B)

double the original value

C)

proportional to change in volume

D)

proportional to change in temperature

View Answer
25) An object is cooled from \[75{}^\circ C\] to \[65{}^\circ C\] in 2 minute in a room at \[30{}^\circ C\]. The time taken to cool another object form \[55{}^\circ C\] to \[45{}^\circ C\] in the same room in minute is:

A)

4

B)

5

C)

6

D)

7

View Answer
26) The ratio of specific heats for oxygen is 1.4. Density of oxygen at STP \[=\text{ }1.44\text{ }kg/{{m}^{3}}.\] If atmospheric pressure is \[1.013\times {{10}^{5}}N/{{m}^{2}},\]the specific heat at constant volume is:

A)

\[257.7\text{ }J\text{ }k{{g}^{-1}}{{K}^{-1}}\]

B)

\[644.3\text{ }J\text{ }k{{g}^{-1}}{{K}^{-1}}\]

C)

\[8.36\text{ }J\text{ }k{{g}^{-1}}{{K}^{-1}}\]

D)

\[901.2\text{ }J\text{ }k{{g}^{-1}}{{K}^{-1}}\]

View Answer
27) Velocity of sound in air is:

A)

faster in dry air than in moist air

B)

directly proportional to pressure

C)

directly proportional to absolute temperature

D)

independent of pressure changes when temperature remains constant

View Answer
28) The shifted frequency due to Doppler effect when the source is moving towards the observer at rest, is:

A)

\[{{v}^{1}}=\left[ \frac{v-{{v}_{s}}}{v} \right]v\]

B)

\[{{v}^{1}}=\left[ \frac{v-{{v}_{0}}}{v-{{v}_{s}}} \right]v\]

C)

\[{{v}^{1}}=\left[ \frac{v}{v-{{v}_{s}}} \right]v\]

D)

\[{{v}^{1}}=\left[ \frac{v}{v-{{v}_{s}}} \right]v\]

View Answer
29) Two closed organ pipes, when sounded simultaneously give 4 beats per sec between fundamentals. The longer tube has length 1.0 metre. Length of the other one is in cm:

A)

80

B)

90

C)

95

D)

85.5

View Answer
30) In the determination of velocity of light by Focaults method, the minor is rotated at a speed of 300 rotations/second, and a concave mirror of radius of curvature 25 m is used. When the source is kept at 3 m from the lens and the rotating mirror at 10 m, a shift in the image is observed. If the velocity of light is \[3\times {{10}^{8}}m/s,\] the shift observed is:

A)

1.346 mm

B)

0.212 mm

C)

4.13 mm

D)

2.12 mm

View Answer
31) A prism of refracting angle \[60{}^\circ \] is made with a material of refractive index \[\mu \].For a certain wavelength of light, the angle of minimum deviation is \[30{}^\circ \]. For this wavelength, the value of u. of material is:

A)

1.820

B)

1.503

C)

1.414

D)

1.731

View Answer
32) The spectrum obtained from a sodium vapour lamp is an example for:

A)

band spectrum

B)

continuous spectrum

C)

emission spectrum

D)

absorption spectrum

View Answer
33) Two waves are said to be coherent, if they have:

A)

same frequency, different amplitude, same phase

B)

same frequency, amplitude and phase

C)

same frequency, amplitude but different phase

D)

all different

View Answer
34) For an isotropic medium B, H and I are related as (where B, \[{{\mu }_{0}}\] H and I have usual meaning in the context of magnetic material):

A)

B= \[{{\mu }_{0}}\] (H + I)

B)

H=\[{{\mu }_{0}}\] (B + I)

C)

I = \[{{\mu }_{0}}\] (B + H)

D)

(B - I) = \[{{\mu }_{0}}\]H

View Answer
35) The field along the axis at a point distance of a short bar magnet is:

A)

\[I=\frac{{{\mu }_{0}}M}{4\pi {{d}^{2}}}\]

B)

\[I=\frac{{{\mu }_{0}}^{2}M}{4\pi {{d}^{3}}}\]

C)

\[I=\frac{3{{\mu }_{0}}M}{2\pi {{d}^{3}}}\]

D)

\[I=\frac{{{\mu }_{0}}M}{2\pi {{d}^{3}}}\]

View Answer
36) The ratio of charge to potential of a body is known as:

A)

capacitance

B)

conductance

C)

inductance

D)

resistance

View Answer
37) Two installed metallic spheres of 3 \[\mu \]F and 5\[\mu \]F are charged to 300 volts and 500 volts respectively. The energy loss when they are connected by a wire is:

A)

0.025 J

B)

2.5 J

C)

0.0375 J

D)

3.75 J

View Answer
38) A charged particle is moving in a uniform magnetic field in a circular path. The radius of the circular path is R. When energy of the particle is doubled, then new radius will be:

A)

\[\sqrt{2}\]R

B)

R/\[\sqrt{2}\]

C)

R

D)

R/2

View Answer
39) 12 resistors each of 10 \[\Omega \] are connected as shown in figure. The effective resistance between A and B is:

A)

120 \[\Omega \]

B)

8\[\Omega \]

C)

12\[\Omega \]

D)

10\[\Omega \]

View Answer
40) A galvanometer with a shunt in parallel is used in series in a circuit. Then it is called:

A)

voltmeter

B)

ammeter

C)

wattmeter

D)

voltameter

View Answer
41) When a current flows along a junction of two different metals in series, heat is developed or absorbed depending on the current direction. Their effect is called:

A)

Joules heating

B)

Seeback effect

C)

Peltier effect

D)

Thomson effect

View Answer
42) The e/m value of electron is:

A)

\[1.758\times {{10}^{11}}coulomb/kg\]

B)

\[1.62\times {{10}^{10}}coulomb/kg\]

C)

\[9.11\times {{10}^{-21}}coulomb/kg\]

D)

\[1.672\times {{10}^{27}}coulomb/kg\]

View Answer
43) The number of electrons emitted by a surface exposed to light is directly proportional to:

A)

wavelength of light

B)

intensity of light

C)

velocity of light

D)

frequency of light

View Answer
44) Moseleys law states that:

A)

\[{{v}^{2}}=Z(a-b)\]

B)

v = \[\sqrt{a\,(Z-b)}\]

C)

\[v=a\text{ (}Z-b{{\text{)}}^{2}}\]

D)

\[~\sqrt{v}=a(Z-b)\]

View Answer
45) In an atom a revolving electron has:

A)

only potential energy

B)

only kinetic energy

C)

neither potential energy nor kinetic energy

D)

both kinetic and potential energy

View Answer
46) A slow neutron can cause fission in:

A)

uranium - 238

B)

thorium

C)

uranium - 235

D)

hydrogen

View Answer
47) Nuclear fission and fusion can be explained on the basis of:

A)

Einstein mass-energy equivalence relation

B)

conservation of energy principle

C)

binding energy per nucleon variation with nucleon number

D)

variation of mass with increasing atomic nucleus

View Answer
48) The conduction band and valence band in a good conductor:

A)

always separated

B)

they just touch

C)

are very close

D)

overlap

View Answer
49) Pick out the incorrect statement regarding reverse saturation current in a p-n junction diode:

A)

this current doubles for very \[100{}^\circ C\] rise in temperature

B)

this current is due to minority carriers

C)

The current carriers are produced by thermal agitation

D)

reverse saturation current is also known as leakage current

View Answer
50) Find the effective capacitance between P and Q in the given figure:

A)

C

B)

4 C

C)

2 C

D)

C/2

View Answer
51) Hunds rule states that:

A)

matter and radiation have a dual nature

B)

in an atom no two electrons can have the same set of four quantum numbers

C)

the position and velocity of an electron cannot be exactly measured at one and same time

D)

in orbitals of equivalent energy, electron spins remain unpaired until each orbital holds at least one electron

View Answer
52) The wavelength of light having wave number \[4000\,\text{c}{{\text{m}}^{-1}}\] is :

A)

\[2.5\,\mu \,m\]

B)

\[1.5\,\mu \,m\]

C)

\[3.0\,\mu \,m\]

D)

\[2.0\,\mu \,m\]

View Answer
53) In 14-C isotope, the number of neutrons would be:

A)

14

B)

6

C)

16

D)

8

View Answer
54) The hydrogen bond is strongest in :

A)

F-H...F

B)

F-H...O

C)

S-H...F

D)

O-H...S

View Answer
55) Which of the following molecules has zero dipole moment?

A)

\[HF\]

B)

\[HBr\]

C)

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

D)

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

View Answer
56) The general   electronic configuration \[(n-1){{d}^{3}}\,n{{s}^{2}}\] indicates   that   particular element belongs to:

A)

VB

B)

IVB

C)

VIB

D)

IIIB

View Answer
57) Sulphur-35 (34.96903 amu) emits a P-particle but no \[\gamma -\] ray. The product is chlorine-35 (34.96885 amu). The maximum energy of the \[\beta -\] particle emitted is :

A)

1.6758 MeV

B)

16.758 MeV

C)

0.016758 MeV

D)

0.16758 MeV

View Answer
58) The half-life of a radioactive isotope is 3 hours. The value of its disintegration constant is :

A)

\[2.079\text{ hou}{{\text{r}}^{-1}}\]

B)

\[231\,\text{hou}{{\text{r}}^{-1}}\]

C)

\[0.231\text{ hou}{{\text{r}}^{-1}}\]

D)

\[2.079\text{ hou}{{\text{r}}^{-1}}\]

View Answer
59) \[\text{B}{{\text{F}}_{\text{3}}}\]is a:

A)

Lewis acid

B)

Bronsted base

C)

Bronsted acid

D)

Lewis base

View Answer
60) The pH of N/10 sodium hydroxide is :

A)

12

B)

9

C)

13

D)

10

View Answer
61) The oxidation number of chromium in potassium dichromate is:

A)

+6

B)

+2

C)

+7

D)

+4

View Answer
62) 180 mL of hydrocarbon having the molecular weight 16 diffuses in 1.5 minutes. Under the same conditions, the time taken by 120 mL of sulphur dioxide to diffuse is :

A)

2.5 min

B)

3.0 min

C)

2.0 min

D)

1.5 min

View Answer
63) The molarity of water is :

A)

100

B)

55.5

C)

1

D)

18

View Answer
64) When one faraday current is passed which of the following would deposit one gram atomic weight of the metal?

A)

\[NaCl\]

B)

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

C)

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

D)

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

View Answer
65) For   a   reversible   reaction   if the concentrations of the reactants are doubled, then the equilibrium:

A)

be halved

B)

be doubled

C)

remain the same

D)

become 1 /4th

View Answer
66) For a first-order reaction, the half-life period is:

A)

dependent on the square of the initial concentration

B)

dependent on first power of initial concentration

C)

dependent on the square root of initial concentration

D)

independent on initial concentration

View Answer
67) An increase in pressure would favour the following reaction :

A)

\[{{N}_{2}}{{O}_{4}}2N{{O}_{2}}\]

B)

\[2S{{O}_{2}}+{{O}_{2}}2S{{O}_{3}}\]

C)

\[{{N}_{2}}{{O}_{2}}2NO\]

D)

\[{{H}_{2}}+{{I}_{2}}2HI\]

View Answer
68) The heat of combustion of methane at 298 K is expressed by: \[C{{H}_{4}}(g)+2{{O}_{2}}(g)\to C{{O}_{2}}(g)+2{{H}_{2}}O(l)\]\[\Delta H=890.2\,\text{kJ}\text{.}\] The magnitude of AE of the reaction at this temperature is:

A)

infinity

B)

less than \[\Delta H\]

C)

equal to \[\Delta H\]

D)

greater than \[\Delta H\]

View Answer
69) 0.202 g of a substance gave on combustion 0.361 g of \[\text{C}{{\text{O}}_{\text{2}}}\]and0.147 g of \[{{\text{H}}_{\text{2}}}\text{O}\text{.}\]What is the empirical formula of the substance?

A)

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

B)

\[{{C}_{7}}{{H}_{7}}{{O}_{7}}\]

C)

\[{{C}_{3}}{{H}_{6}}{{O}_{2}}\]

D)

\[{{C}_{4}}{{H}_{5}}{{O}_{3}}\]

View Answer
70) Which of the following statements concerning heavy water is correct?

A)

It is used as a moderator in nuclear reactors

B)

It occurs in plenty natural water

C)

It is also known as dry ice

D)

It is an isotope of water

View Answer
71) In \[{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}\]molecule the angle between two \[\text{O---H}\] planes is:

A)

\[{{105}^{o}}\]

B)

\[{{103}^{o}}\]

C)

\[{{90}^{o}}\]

D)

\[{{101}^{o}}\]

View Answer
72) Baking soda is:

A)

sodium bicarbonate

B)

potassium bicarbonate

C)

ammonium carbonate

D)

sodium carbonate

View Answer
73) Magnalium is :

A)

magnesium bicarbonate

B)

an alloy of magnesium and aluminium

C)

ethyl magnesium iodide

D)

magnesium nitride

View Answer
74) Mortar is mixture:

A)

slaked lime + sand + water

B)

plaster of Paris + sand 4-water

C)

cement + sand + water

D)

gypsum 4- lime + water

View Answer
75) Purification of aluminium by electrolyte refining is knows as :

A)

Hoopes process

B)

Serpecks process

C)

Halls process

D)

Baeyers process

View Answer
76) The type of hybridization of boron in diborane:

A)

\[sp-\] hybridization

B)

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

C)

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

D)

\[s{{p}^{3}}{{d}^{2}}-\]hybridization

View Answer
77) The structure of \[\text{Si}{{\text{O}}_{\text{2}}}\]is :

A)

trigonal

B)

square planar

C)

tetragonal

D)

hexagonal prisms

View Answer
78) Water gas is a mixture of:

A)

\[CO\,\,+\,\,C{{O}_{2}}\]

B)

\[CO\,+\,{{H}_{2}}\]

C)

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

D)

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

View Answer
79) In hypophosphorus acid the number of hydroxyl groups present are :

A)

5

B)

1

C)

3

D)

7

View Answer
80) Cyanamide process for the manufacture of ammonia involves:

A)

hydrolysis of calcium carbide

B)

hydrolysis of calcium cyanamide

C)

electrolysis of calcium cyanamide

D)

direct combination of nitrogen and hydrogen by electric discharge

View Answer
81) The bond order for nitrogen molecule is :

A)

2.0

B)

2.5

C)

1.5

D)

3.0

View Answer
82) The O-O bond length in ozone is:

A)

L\[\text{1}\text{.2}\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

B)

\[\text{1}\text{.10}\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

C)

\[1.33\text{ }\overset{\text{o}}{\mathop{\text{A}}}\,\]

D)

\[1.8\overset{\text{o}}{\mathop{\text{A}}}\,\]

View Answer
83) Loss of electron is termed :

A)

combustion

B)

oxidation

C)

neuatralization

D)

reduction

View Answer
84) Oxygen molecule exhibits paramagnetism since it:

A)

contains unpaired electrons

B)

contains zero charge

C)

contains paired electrons only

D)

contains a double bond

View Answer
85) Hypo is used:

A)

in developing photographic films

B)

for making printing inks

C)

for making perfumes

D)

as bleaching agent

View Answer
86) Perchloric acid is prepared by the action of concentrated sulphuric acid on :

A)

sodium perchlorate

B)

barium chloride

C)

sodium chloride

D)

barium chlorate

View Answer
87) The magnetic moment of \[\text{S}{{\text{c}}^{\text{3+}}}\] is :

A)

2.76

B)

1.75

C)

3.86

D)

zero

View Answer
88) Bell metal is an alloy of :

A)

Cu + Pb

B)

Cu + Sn

C)

Cu + Zn

D)

Cu + Ni

View Answer
89) Acetylene is produced by the action of water on :

A)

\[A{{l}_{4}}{{C}_{3}}\]

B)

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

C)

\[{{C}_{2}}{{H}_{5}}MgCl~\]

D)

\[~Ca{{C}_{2}}\]

View Answer
90) Dehydrohalogenation of ethyl iodide gives:

A)

acetylene

B)

methane

C)

ethane

D)

ethylene

View Answer
91) Delocalized electrons are present in:

A)

water molecule

B)

octane molecule

C)

methane molecule

D)

benzene molecule

View Answer
92) Marsh gas is:

A)

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

B)

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

C)

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

D)

CO

View Answer
93) The halide which does not give a precipitate when warmed with alcoholic \[\text{AgN}{{\text{O}}_{\text{3}}}\]is :

A)

allyl chloride

B)

benzyl chloride

C)

t-butyl chloride

D)

chlorobenzene

View Answer
94) The reaction\[{{C}_{6}}{{H}_{6}}+C{{H}_{3}}CI\xrightarrow[(anhydrous)]{AlC{{l}_{3}}}HCl+{{C}_{6}}{{H}_{5}}C{{H}_{3}}\]is:

A)

Friedel-Craffs alkylation

B)

addition reaction

C)

Friedel-Craffs acylation

D)

Friedel-Craffs benzylation

View Answer
95) Ethyl chloride is converted into diethyl ether by:

A)

Williamsons synthesis

B)

Wurtz synthesis

C)

Perkins reaction

D)

Grignard reaction

View Answer
96) Ethyl alcohol reacts with bleaching powder to yield:

A)

ethylene

B)

chloroform

C)

acetone

D)

ethyl chloride

View Answer
97) Acetaldehyde and acetone can be identified by:

A)

Schiffs test

B)

Bromoform test

C)

c) lodoform test

D)

Molischtest

View Answer
98) The dehydrating agent used in the conversion of acetic acid into acetic anhydride is:

A)

concentrated sulphuric acid

B)

anhydrous calcium oxide

C)

anhydrous aluminium chloride

D)

phosphorus pentoxide

View Answer
99) Nitrobenzene combines with hydrogen in the presence of platinum to yield:

A)

toluene

B)

benzene

C)

aniline

D)

azobenzene

View Answer
100) The IUPAC name of the compound having the formula \[CH\equiv C-CH=C{{H}_{2}}\] is :

A)

1-butyne-3-ene

B)

But-1-yne-3-ene

C)

3-butene-1 -yne

D)

1 -butene-3-yne

View Answer
101) All stages in the life cycle of Plasmodium vivax are haploid except:

A)

gamont

B)

sporozoite

C)

oocyst

D)

schizont

View Answer
102) The mouth in Ascaris lumbricoides is bound by three lips of which:

A)

one is median and two are lateral

B)

one is dorsal and two are ventral

C)

two are dorsal and one is ventral

D)

one is median-dorsal and two are ventrolateral

View Answer
103) Among lac insects, lac is produced:

A)

only by females

B)

far more by males than by females

C)

only by males

D)

far more by females than by males

View Answer
104) The echinoderms, hemichordates and chordates had the following larva as common ancestral form:

A)

trochophore

B)

tornare

C)

dipleurala

D)

bipinnaria

View Answer
105) In the blood generally:

A)

red blood corpuscles and white blood corpuscles occur in equal numbers

B)

red blood corpuscles are more in number than white blood corpuscles

C)

white blood corpuscles are more in number than red blood corpuscles

D)

only red blood corpuscles occur

View Answer
106) The codont teeth are present in:

A)

Chelonea

B)

Crocodilia

C)

Equamala

D)

Rhyncocephalia

View Answer
107) Which of the following is the largest animal?

A)

elephant

B)

rhinoceros

C)

whale

D)

dinosaur

View Answer
108) For normal formation of prothrombin the following vitamin is required:

A)

A

B)

B

C)

D

D)

K

View Answer
109) The genotype of an offspring of first filial (F) generation can be tested by the method of:

A)

back crossing with homozygous recessive parent

B)

inbreeding

C)

crossing with homozygous

D)

hybridization

View Answer
110) It has been found to be economical to bow the three major carps- Catla, Labeo and Cirrhina together, because:

A)

one forms the food for the other

B)

they compete with each other in their growth

C)

the excreta of the forms the food for the other

D)

competition for food amongst them is remote

View Answer
111) The most dangerous metal pollutant of automobile exhaust is:

A)

cadmium

B)

mercury

C)

copper

D)

lead

View Answer
112) During conjugation in Paramecium:

A)

the zygote nucleus undergoes eight successive divisions in each conjugant

B)

out of the twelve macronuclei formed, four nuclei degenerate

C)

out of the four micronuclei formed, three nuclei degenerate

D)

out of the sixteen nuclei formed from the zygote nucleus, twelve become macronuclei and four become micronuclei

View Answer
113) Several buds may occur in a single mother Hydra, at a time. Then:

A)

all of them are equally older

B)

the one towards the aboral end is older

C)

the one towards the aboral end is younger

D)

the one towards the oral end is older

View Answer
114) Monoclonal antibodies:

A)

are obtained from a cell and act on one antigen

B)

are obtained from a group of cells and act on more than one antigens

C)

are obtained from a group of same type of cells and act on single antigen

D)

are obtained from a group of same type of cells and act on more than one antigens

View Answer
115) Which one of the following is a Chordate feature, not shared by the non- chordates?

A)

Bilateral symmetry

B)

Axiate organization

C)

Pharyngeal gill slits

D)

Metamerism

View Answer
116) If groups of minute scales, arranged in transverse rows, are found beneath the grooves of the skin, then the animal be identified as an/a:

A)

Anuran

B)

Lepidosiren

C)

Apodan

D)

Urodae

View Answer
117) Find out the correct description of a Ratite bird, from the following table: Barbs: Free                                      United United                                 Free After Shaft: III developed Usually well developed III developed Usually well developed Uropygal Gland:

A)

Generally absent

B)

Present

C)

  Present

D)

Generally absent

View Answer
118) 18.          In which tissue, Schwann cells are met with?

A)

connective tissue

B)

nervous tissue

C)

muscle tissue

D)

epithelial tissue

View Answer
119) One of the several objections to the Natural Selection Theory of Darwin is:

A)

acquired characters are not inherited

B)

accumulation of small variations is not possible

C)

large variations are harmful

D)

many animals possess characteristics of inutility and even those that are positively harmful

View Answer
120) Pullorum disease of Poultry is caused by:

A)

Hemophilus

B)

Mycobacterium

C)

Salmonella

D)

Clostridium

View Answer
121) In the life cycle of Plasmodium vivax, sporogony occurs in:

A)

salivary glands of man

B)

liver of man

C)

red blood cells of man

D)

outer wall of the stomach of mosquito

View Answer
122) Members of Phylum- Porifera arc:

A)

mostly marine animals, few being fresh water

B)

exclusively marine animals

C)

mostly fresh water animals, few being marine

D)

exclusively fresh water animals

View Answer
123) Regarding blood circulation, it may be said that in Pheretima the dorsal vessel is a:

A)

distributing vessel in first thirteen segments and collecting vessel in intestinal region

B)

collecting vessel in first thirteen segments and distributing vessel in intestinal region:

C)

distributing vessel

D)

collecting vessel

View Answer
124) In cockroach, moulting is induced by the secretions form:

A)

prothoracic gland

B)

corpora allata

C)

corpora cardiac

D)

mushroom gland

View Answer
125) Out of the following, which two are most important identification features of fishes?

A)

epidermal scales and tail

B)

epidermal scales and gills

C)

tail and venous heart

D)

venous heart and gills

View Answer
126) The number of bones, in each of the lower jaw of frog is:

A)

3

B)

2

C)

1

D)

4

View Answer
127) Foot is displaced to the neighbourhood of mouth and divided into arms in:

A)

Ostrea

B)

Pila

C)

Sepia

D)

Chiton

View Answer
128) The hyoid apparatus in frog has two pairs of horns. The anterior pair extends up to:

A)

optic capsules

B)

olfactory capsules

C)

laryngotracheal chamber

D)

auditory capsules

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

A)

precystic stage

B)

trophozoite stage

C)

mature quadrinucleate cyst

D)

none of the above

View Answer
130) As per the sliding filament mechanism, in contracted state muscle will show the following disposition:

A)

B)

C)

D)

View Answer
131) In poultry industry, production of hatching eggs is more expensive than production of market eggs mainly because:

A)

some of the eggs produced by hatchery flocks are not acceptance for incubation

B)

considerable number of eggs produced by hatchery flock are to be sold hatchery flock are to be sold only as market eggs

C)

mortality among females is usually somewhat lower when they are noted with males

D)

the cost of males and their depreciation in value from the beginning to the end of breeding season is high

View Answer
132) Physiological evidence through blood test, reveals that turtles are more closely related to:

A)

mammals than to crocodiles, lizards and snakes

B)

snakes than to crocodiles, lizards and mammals

C)

Iizards than to crocodi les, snakes and mammals

D)

croc odiles than to lizards, snakes and mammals.

View Answer
133) If large quantities of domestic sewage is continuously emptied into a small stream, it leads to:

A)

depletion of oxygen content in stream water

B)

enrichment of oxygen content in stream water

C)

depletion of nutrients in the stream water

D)

increase in the total amount of life in the stream water

View Answer
134) As seen in a transverse section of Taenia solium, passing through a mature proglottid, the parenchyma is divided into an outer cortical zone and inner medullary zone by:

A)

longitudinal excretory vessels

B)

longitudinal nerves

C)

circular muscles

D)

longitudinal muscles

View Answer
135) By noting the presence or absence of one of the following, the fish can be identified either as an elasmobranch fish or as a teleostean fish:

A)

lateral line

B)

operculum

C)

mucus

D)

middle ear

View Answer
136) Ambulacral grooves are absent in the living forms of the class:

A)

Echinodermata

B)

Crinoidea

C)

Asteroidea

D)

Ophiuroidca

View Answer
137) In frog, mesorchium is a thin fold of membrane extending between:

A)

liver and kidneys

B)

the two testes

C)

kidney and testes

D)

the two kidneys

View Answer
138) In the butterfly, the long coiled siphoning tube is derived from:

A)

paraglossae

B)

labrum

C)

maxillae

D)

mandibles

View Answer
139) The presence of vestigeal organs in man, supports:

A)

Lamarcks theory of inheritance of acquired characters, but not the theory of evolution

B)

both the theory of evolution as well as Lamarcks theory of inheritance of acquired characters

C)

the theory of evolution, but not Lamarcks theory of inheritance of acquired characters

D)

the theory of special creation

View Answer
140) When chicken of F1 generation are mated among themselves, they produced an F2 generation of four kinds of birds, as far as comb type of plumage color are concerned in the following proportions: 9 rose comb blacks, 1 single comb white. 3 rose combs white, 3 single combs blacks. Based on this, find out which two, are the recessive characters in these birds:

A)

black plumage and white plumage

B)

single comb and white plumage

C)

rose comb and single comb

D)

rose comb and black plumage

View Answer
141) Unlike other trematodes, Schistosoma haematobium is dioecious and:

A)

the larger male retains the smaller female in its gynecophoric canal and all live in veins of the urinary bladder plexuses

B)

the larger female retains the smaller male in its gynecophoric canal and all live in portal vein

C)

males are seen in public plexuses and females in portal vein

D)

males are seen in portal vein and females in public plexuses

View Answer
142) In earthworm the:

A)

testes on the right side are larger than ovaries on right side

B)

testes are larger than ovaries

C)

ovaries are larger than testes

D)

ovaries and testes are of same size

View Answer
143) The carotid labyrinth of frog is concerned with control of:

A)

blood composition

B)

temperature

C)

blood sugar

D)

blood pressure

View Answer
144) The silkworm larva ceases to eat and starts spinning silk around its body:

A)

from outside to inside in one half on the cocoon and from inside to outside in other half of the cocoon

B)

at random

C)

from inside to outside

D)

from outside to inside

View Answer
145) Topical method of spawn collection has number of limitations. To overcome these, the following is done:

A)

stocking of fingerlings

B)

increasing fishing grounds

C)

induced breeding

D)

improvement of fishing implements and gear

View Answer
146) de Vries theory of mutation:

A)

supports theory of spontaneous generation or abiogenesis

B)

does not rule out Natural Selection Theory

C)

rules out theory of evolution

D)

supports Lamarcks theory of inheritance of acquired characters

View Answer
147) Mammary glands are without teats or nipples in:

A)

Protheria

B)

Eutheria

C)

Metatheria

D)

Pantotheria

View Answer
148) The following are the principal bones involved in the erection of fang in a poisonous snake. Find out their correct sequences:

A)

Quadrate - Ectopterygoid - Pterygoid - Maxilla - Squamosal

B)

Quadrate - Squamosal - Pterygoid - Ectopterygoid - Maxilla

C)

Maxilla - Ectopterygoid - Pterygoid - Quadrate - Squamosal

D)

Maxilla - Pterygoid - Ectopterygoid - Quadrate - Squamosal

View Answer
149) The brain of frog, has internal cavities called ventricles aqueduct of sylvius connects:

A)

1st and 2nd ventricles

B)

2nd and 3rd ventricles

C)

4th and 1st ventricles

D)

3rd and 4th ventricles

View Answer
150) Each half of the pelvic girdle of frog has three bones ilium, ischium and pubis. Their arrangement is as follows: IIium: Posteriodorsal Posteriodorsal Anteriodorsal Anteriodorsal Ischium: Anterior Ventral Posterior Ventral

A)

Pubis: Ventral

B)

Posteriodorsal

C)

Ventral

D)

Posteriodorsal

View Answer
151) The study related to the structure and function of cells is known as :

A)

Palynology

B)

Anatomy

C)

Histology

D)

Cytology

View Answer
152) Double helical model for DNA molecule is proposed by :

A)

Watson and Crick

B)

Jacob and Monod

C)

Khorana and Kornberg

D)

Beadle and Tatum

View Answer
153) Endodermis is a part of :

A)

pericycle

B)

medulla

C)

epidermis

D)

cortex

View Answer
154) Swollen spongy petioles are present in :

A)

Eichhornia

B)

Salvenia

C)

Marselia

D)

Pistia

View Answer
155) Cyathium is a type of :

A)

umbel

B)

algae

C)

bacterium

D)

inflorescence

View Answer
156) Double fertilization was first described by:

A)

Nawaschin

B)

De Condole

C)

Robert Brown

D)

Strasburger

View Answer
157) National Botanical Research Institute is located at:

A)

Calcutta

B)

Lucknow

C)

Delhi

D)

Dehradun

View Answer
158) In which of the following the fruit is cremocarp?

A)

Citrus

B)

Coriandrum

C)

Cicer

D)

Cocos

View Answer
159) Fructose 1, 6-biphosphate splits into two triose phosphates by the enzyme :

A)

enolase

B)

phosphatase

C)

sucrase

D)

isomerase

View Answer
160) If pollen of a flower falls on the stigma of another flower belonging to the same plant, it is called :

A)

geionogamy

B)

cleistogamy

C)

cros pollination

D)

herkogamy

View Answer
161) A thin film of water held by the soil particle under the influence of internal attractive force. Then it is :

A)

Gravitational water

B)

Combined water

C)

Hygroscopic water

D)

Capillary water

View Answer
162) Water acts as electron donor in photo autotrohic plants was indicated by :

A)

Wanurg

B)

Van Niel

C)

Blackmann

D)

Arnon

View Answer
163) The nuclear material in bacterial cell is called:

A)

mucopeptide

B)

nucleoid

C)

cellulose

D)

mesosome

View Answer
164) Seed increases in its volume by absorption of water through a phenomenon called :

A)

active absorption

B)

imbibition

C)

plasmolysis

D)

diffusion

View Answer
165) Ligule possesses a bulbous basal region called s:

A)

microphyll

B)

heterophyllum

C)

sporophyll

D)

glosso podium

View Answer
166) The term water potential is proposed by :

A)

Bose

B)

Dixon

C)

Slater and Tyior

D)

Godlewski

View Answer
167) The pathogen that causes covered smut of Sorghum is :

A)

Puccinia

B)

Uromyces

C)

Ustage

D)

Sphacelotheca

View Answer
168) One gram molecules of glucose through aerobic respiration produces the following ATP molecules:

A)

42

B)

36

C)

38

D)

40

View Answer
169) Plasmids are:

A)

new type micro-organisms

B)

nucleoid

C)

linear chromosomes

D)

extra chromosomal circular material

View Answer
170) The term ecosystem was coined by :

A)

Mobius

B)

Reiter

C)

Haeckel

D)

Tansley

View Answer
171) The protein coat of virus is called :

A)

capsomere

B)

chromophore

C)

cosmid

D)

capsid

View Answer
172) Cycas stem contains :

A)

Sapwood

B)

manoxylic wood

C)

pycnoxylic wood

D)

porous wood

View Answer
173) When the filament is attached on the back of the anther all along the length it is called :

A)

versatile

B)

longitudinal

C)

syngencious

D)

adnate

View Answer
174) The fruit in Datura is :

A)

Loculicidal capsule

B)

Septifragal capsule

C)

Porous capsule

D)

Septicidal capsule

View Answer
175) The protein portion of the conjugate enzyme is called :

A)

co-enzyme

B)

apoenzyme

C)

metaloenzyme

D)

diastase

View Answer
176) Petals show ascending imbricate aestivation in:

A)

Solanum

B)

Tridax

C)

Brassica

D)

Caesalpinia

View Answer
177) The importance of molybdenum in plant metabolism is :

A)

carbon assimilation

B)

nitrate reduction

C)

plant breeding

D)

chromosome contraction

View Answer
178) The outgrowth which usually develops along the hilum is called :

A)

scutellum

B)

strophiole

C)

caruncle

D)

perisperm

View Answer
179) The botanical name of bajra:

A)

Triticum vitlgure

B)

Penniseluni lyphoideum

C)

Elensine corocana

D)

Andropogon

View Answer
180) In \[{{C}_{4}}\]plants, the carbon dioxide fixation occurs in:

A)

guard cells

B)

spongy mesophyll cells

C)

palisade cells

D)

bundle sheath cells

View Answer
181) Sexual reproduction Agaricus is called :

A)

basidiocarp

B)

somatogamy

C)

sterigmata

D)

dikaryotization

View Answer
182) Binomial system of nomenclature has been suggested by :

A)

Theophrastus

B)

Linnaeus

C)

Caspor Bauhin

D)

Bentham and Hooker

View Answer
183) Peristomial teeth help in :

A)

protection to spore

B)

dispersal of seed

C)

dehiscence of capsule

D)

discharge of spores

View Answer
184) Which one of the following shows heterothallium?

A)

Rhizopus

B)

Cycas

C)

Bacterium

D)

Ricinus

View Answer
185) A widely accepted theory of ascent of sap is

A)

Inhibition theory

B)

Negative tension theory

C)

Cohesion tension theory

D)

Capillary theory

View Answer
186) The family Fabaceae belongs to which series :

A)

Thalami florae

B)

Calyciflorae

C)

Bicarpellatae

D)

Inferae

View Answer
187) The atmospheric nitrogen is fixed in the soil in the form of :

A)

hydroxylamine

B)

dinitrite

C)

nitrite

D)

ammonia

View Answer
188) Climbing roots are found in :

A)

Taemiophyllum

B)

Dolichos

C)

Pancianus

D)

Vanilla

View Answer
189) Chromosomes with equal arms are called :

A)

telocentric

B)

acrocentric

C)

metacentric

D)

submetacentric

View Answer
190) Most reduced form of stem is found in :

A)

bulb

B)

phylloclade

C)

stolon

D)

rhizome

View Answer
191) The vessels of heart wood are blocked by :

A)

strip

B)

hair

C)

tumour

D)

tyloses

View Answer
192) Any moment medium can be made semisolid by adding :

A)

starch

B)

agar-agar

C)

sucrose

D)

gum

View Answer
193) Thylakoids are present in :

A)

chloroplast

B)

nucleus

C)

mitochondrion

D)

peroxisome

View Answer
194) Chiasma represents the sites of:

A)

disjunction

B)

terminalization

C)

crossing over

D)

synapsis

View Answer
195) In Spirogyra sexual reproduction takes place by :

A)

antheridia and archaegonia

B)

hormogonia

C)

trichome

D)

conjugation

View Answer
196) Electro-osmotic theory for translocation of solutes was proposed by :

A)

Munch

B)

Deurjes

C)

Crafts

D)

Bose

View Answer
197) The   first   compound   that   accepts carbon dioxide during dak phase of photosynthesis is :

A)

NADP

B)

RuBP

C)

ferridoxin

D)

cytochrome

View Answer
198) Hormone involved in phototropism is :

A)

2,4-D

B)

gibberellin

C)

kinetin

D)

IAA

View Answer
199) Emasculation of flower is achieved by :

A)

removal of stigma

B)

removal of anthers

C)

removal of sepals

D)

removal of corolla

View Answer
200) Floral formula for Solanaceae :

A)

Br. Ebr\[\underset{+}{\overset{\nearrow }{\mathop{O}}}\,\]\[{{K}_{(5)}}\]\[{{C}_{(5)}}\]\[{{A}_{(5)}}\]\[\underline{{{G}_{(2)}}}\]

B)

Br. Ebr \[\oplus \underset{+}{\overset{\nearrow }{\mathop{O}}}\,{{K}_{5}}{{C}_{5}}{{A}_{1}}\underline{{{G}_{2}}}\]

C)

Ebr \[\oplus \underset{+}{\overset{\nearrow }{\mathop{O}}}\,{{K}_{4}}{{C}_{4}}{{A}_{4}}\underline{{{G}_{2}}}\]

D)

\[\oplus\underset{+}{\overset{\nearrow }{\mathop{O}}}{{K}_{5}}{{C}_{5}}{{A}_{5}}\underline{{{G}_{2}}}\]

View Answer

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