Solved papers for CET Karnataka Medical CET - Karnataka Medical Solved Paper-2004

CET - Karnataka Medical Solved Paper-2004 Total Questions - 180

1) The difference between the apparent frequency of a source of sound as perceived by the observer during its approach and recession is 2% of the frequency of the source. If the speed of sound in air is\[300\text{ }m{{s}^{-1}}\], the velocity of the source is:

A)

\[1.5m{{s}^{-1}}\]

B)

\[12m{{s}^{-1}}\]

C)

\[6\text{ }m{{s}^{-1}}\]

D)

\[3\text{ }m{{s}^{-1}}\]

View Answer
2) Three long straight wires A, B and C are carrying currents as shown in figure. Then the resultant force on B is directed:

A)

perpendicular to the plane of paper and outward

B)

perpendicular to the plane of paper and inward

C)

towards A

D)

towards C

View Answer
3) Curie - Weiss law is obeyed by iron:

A)

at Curie temperature only

B)

at all temperatures

C)

below Curie temperature

D)

above Curie temperature

View Answer
4) A magnet N-S is suspended from a spring and when it oscillates, the magnet moves in and out of the coil C. The coil is connected to a galvanometer G. Then, as the magnet oscillates:

A)

G shows no deflection

B)

G shows deflection to the left and right but the amplitude steadily decreases

C)

G Shows deflection to the left and right with constant amplitude

D)

G shows deflection on one side.

View Answer
5) The dimensional formula for inductance is:

A)

\[\left[ M{{L}^{2}}{{T}^{-2}}{{A}^{-2}} \right]\]

B)

\[\left[ M{{L}^{2}}T{{A}^{-2}} \right]\]

C)

\[\left[ M{{L}^{2}}{{T}^{-1}}{{A}^{-2}} \right]\]

D)

\[\left[ M{{L}^{2}}{{T}^{-2}}{{A}^{-1}} \right]\]

View Answer
6) The maximum current that can be measured by a galvanometer of resistance 40\[\Omega \], is 10 mA. It is converted into a voltmeter that can read upto 50 V. The resistance to be connected in series with the galvanometer (in ohms) is:

A)

2010

B)

4050

C)

5040

D)

4960

View Answer
7) The spectrum obtained from the chromosphere of the sun at the time of total solar eclipse is:

A)

line emission spectrum

B)

band emission spectrum

C)

continuous emission spectrum

D)

line absorption spectrum

View Answer
8) Heavy water is:

A)

compound of deuterium and oxygen

B)

water at \[4{}^\circ C\]

C)

water, in which soap does not lather

D)

compound of heavy oxygen and heavy hydrogen

View Answer
9) The nuclear reactor at Kaiga is a:

A)

research reactor

B)

fusion reactor

C)

breeder reactor

D)

power reactor

View Answer
10) When a body moves in a circular path, no work is done by the force since:

A)

force and displacement are perpendicular to each other

B)

the force is always away from the centre

C)

there is no displacement

D)

there is no net force

View Answer
11) A bullet moving with a speed of \[100\text{ }m{{s}^{-1}}\] can just penetrate two planks of equal thickness. Then, the number of such planks penetrated by the same bullet when the speed is doubled will be:

A)

6

B)

10

C)

4

D)

8

View Answer
12) Two bodies of masses 1 kg and 2 kg have equal momentum. Then, the ratio of their kinetic energies is:

A)

2 : 1

B)

3 : 1

C)

1 : 3

D)

1 : 1

View Answer
13) Absorption coefficient of an open window is:

A)

1

B)

0.25

C)

zero

D)

0.5

View Answer
14) The loudness and pitch of a sound note depend on:

A)

intensity and velocity

B)

frequency and velocity

C)

intensity and frequency

D)

frequency and number of harmonics

View Answer
15) In Meldes experiment in the transverse mode, the frequency of the tuning fork and the frequency of the waves in the string are in the ratio:

A)

2 : 1

B)

4 : 1

C)

1 : 1

D)

1 : 2

View Answer
16) An electron is accelerated through a potential difference of 45.5 volt. The velocity acquired by it is (in\[m{{s}^{-1}}\]):

A)

\[{{10}^{6}}\]

B)

zero

C)

\[4\times {{10}^{6}}~~\]

D)

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

View Answer
17) An unknown resistance \[{{R}_{1}}\]is connected in series with a resistance of 10\[\Omega \]. This combination is connected to one gap of a metre bridge while a resistance \[{{R}_{2}}\]is connected in the other gap. The balance point is at 50 cm. Now, when the 10\[\Omega \] resistance is removed the balance point shifts to 40 cm. The value of \[{{R}_{1}}\] is (in ohms):

A)

20

B)

10

C)

60

D)

40

View Answer
18) In the circuit shown, the internal resistance of the cell is negligible. The steady state current in the 2\[\Omega \]. resistor is:

A)

0.6 A

B)

1.2 A

C)

0.9 A

D)

1.5 A

View Answer
19) A rectangular coil of 300 turns has an average area of\[25cm\times 10cm\]. The coil rotates with a speed of 50 cps in uniform magnetic field of strength \[4\times {{10}^{-2}}\]T about an axis perpendicular to the field. The peak value of the induced emf is (in volt)

A)

300\[\pi \]

B)

3000\[\pi \]

C)

3\[\pi \]

D)

30\[\pi \]

View Answer
20) In an LCR circuit the potential difference between the terminals of the inductance is 60 V, between the terminals of the capacitor is 30 V and that between the terminals of resistance is 40 V. The supply voltage will be equal to:

A)

130 V

B)

10 V

C)

50 V

D)

70 V

View Answer
21) A vertical circular coil of radius 0.1 m and having 10 turns carries a steady current. When the plane of the coil is normal to the magnetic meridian, a neutral point is observed at the centre of the coil. If \[{{B}_{H}}\]= \[0.314\times {{10}^{-4}}\] T, the current in the coil is:

A)

0.5 A

B)

0.25 A

C)

2 A

D)

1 A

View Answer
22) A thread is tied slightly loose to a wire frame as in figure and the frame is dipped into a soap solution and taken out. The frame is completely covered with the film. When the portion A is punctured with a pin, the thread:

A)

becomes concave towards A

B)

becomes convex towards A

C)

either [a] or [b] depending on the size of A with respect to B

D)

remains in the initial position

View Answer
23) Oxygen is 16 times heavier than hydrogen. Equal volumes of hydrogen and oxygen are mixed. The ratio of speed of sound in the mixture to that in hydrogen is:

A)

\[\sqrt{8}\]

B)

\[\sqrt{2/17}\]

C)

\[\sqrt{1/8}\]

D)

\[\sqrt{32/17}\]

View Answer
24) If two waves of the same frequency and amplitude respectively on superposition produce a resultant disturbance of the same amplitude/ the waves differ in phase by:

A)

\[\pi \]

B)

zero

C)

\[\pi \]/3

D)

2\[\pi \]/3

View Answer
25) A man, standing between two cliffs, claps his hands and starts hearing a series of echoes at intervals of one second. If the speed of sound in air is 340ms , die distance between the cliffs is:

A)

680 m

B)

1700 m

C)

340 m

D)

1620 m

View Answer
26) A beam of light of wavelength 600 nm from a source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between the first dark fringes on either side of the central bright fringe is:

A)

2.4 cm

B)

2.4 mm

C)

1.2 mm

D)

1.2 cm

View Answer
27) Specific rotation of sugar solution is 0.01 SI units. 200 kgm-3 of impure sugar solution is taken in a polarimeter tube of length 0.25 m and an optical rotation of 0.4 rad is observed. The percentage of purity of sugar in the sample is:

A)

11%

B)

20%

C)

80%

D)

89%

View Answer
28) The emitter-base junction of a transistor is ......... biased while the collector-base junction is .........biased.

A)

forward, forward

B)

forward, reverse

C)

reverse, forward

D)

reverse, reverse

View Answer
29) In a forward biased p-n junction diode, the potential barrier in the depletion region is of the form:

A)

B)

C)

D)

View Answer
30) A cylinder of radius r and length I is placed in an uniform electric field E parallel to the axis of the cylinder. The total flux for the surface of the cylinder is given by:

A)

zero

B)

\[2\pi {{r}^{2}}E\]

C)

\[\pi {{r}^{2}}E\]

D)

\[\left( \pi {{r}^{2}}+\pi {{l}^{2}} \right)E\]

View Answer
31) Two electric bulbs A and B are rated as 60 W and 100 W. They are connected in parallel to the same source. Then:

A)

B draws more current than A

B)

currents drawn are in the ratio of their resistances

C)

both draw the same current

D)

A draws more current than B

View Answer
32) A thin plano-convex lens acts like a concave mirror of focal length 0.2 m when silvered from its plane surface. The refractive index of the material of the lens is 1.5. The radius of curvature of the convex surface of the lens will be:

A)

0.1 m

B)

0.75 m

C)

0.4 m

D)

0.2 m

View Answer
33) The physical quantity having the same dimensions as Plancks constant h is:

A)

linear momentum

B)

angular momentum

C)

Boltzmann constant

D)

force

View Answer
34) A balloon is rising vertically up with a velocity of 29 ms-1. A stone is dropped from it and it reaches the ground in 10 seconds. The height of the balloon when the stone was dropped from it is (g = 9.8ms-1):

A)

400 m

B)

150 m

C)

100 m

D)

200 m

View Answer
35) A wire has a resistance of 6\[\Omega \]. It is cut into two parts and both half values are connected in parallel. The new resistance is:

A)

3\[\Omega \]

B)

6\[\Omega \]

C)

12\[\Omega \]

D)

1.5\[\Omega \]

View Answer
36) In a Youngs double slit experiment, the separation between the two slits is 0.9 mm and the fringes are observed one metre away. If it produces the second dark fringe at a distance of 1 mm from the central fringe, the wavelength of the monochromatic source of light used is:

A)

450 nm

B)

400 nm

C)

500 nm

D)

600 nm

View Answer
37) When light is incident on a diffraction grating, the zero order principal maximum will be:

A)

spectrum of the colours

B)

white

C)

one of the component colours

D)

absent

View Answer
38) H- polaroid is prepared by:

A)

orienting herapathite crystal in the same direction in nitrocellulose

B)

using thin tourmaline crystals

C)

stretching polyvinyl alcohol and then heated with dehydrating agent

D)

stretching polyvinyl alcohol and then impregnating with iodine

View Answer
39) SI unit of permittivity is:

A)

\[{{C}^{2}}{{m}^{2}}{{N}^{2}}\]

B)

\[{{C}^{2}}{{m}^{-2}}{{N}^{-1}}\]

C)

\[{{C}^{2}}{{m}^{2}}{{N}^{-1}}\]

D)

\[{{C}^{-1}}{{m}^{2}}{{N}^{-2}}\]

View Answer
40) A spherical drop of capacitance 1 \[\mu \]F is broken into eight drops of equal radius. Then, the capacitance of each small drop is:

A)

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

B)

\[\frac{1}{4}\mu F\]

C)

\[\frac{1}{8}\mu F\]

D)

8 \[\mu F\]

View Answer
41) Two equal forces (P each) act at a point inclined to each other at an angle of\[120{}^\circ \]. The magnitude of their resultant is:

A)

P/2

B)

P/4

C)

P

D)

2P

View Answer
42) Threshold wavelength for photoelectric emission from a metal surface is \[5200\overset{\text{o}}{\mathop{\text{A}}}\,\]. Photoelectrons will be emitted when this surface is illuminated with monochromatic radiation from:

A)

1 W IR lamp

B)

50 W UV lamp

C)

50 W IR lamp

D)

10 W IR lamp

View Answer
43) In Youngs double slit experiment if monochromatic light used is replaced by white light, then:

A)

no fringes are observed

B)

only central fringe is white, all other fringes are colored

C)

all bright fringes become white

D)

all bright fringes have colours between violet and red

View Answer
44) Which state of triply ionised Beryllium (\[B{{e}^{+++}}\]) has the same orbital radius as that of the ground state of hydrogen?

A)

n = 3

B)

n = 4

C)

n = 1

D)

n = 2

View Answer
45) If M is the atomic mass and A is the mass number, packing fraction is given by:

A)

\[\frac{M}{M-A}\]

B)

\[\frac{M-A}{A}\]

C)

\[\frac{A}{M-A}\]

D)

\[\frac{A-M}{A}\]

View Answer
46) A count rate meter shows a count of 240 per minute from a given radioactive source. One hour later the meter shows a count rate of 30 per minute. The half-life of the source is:

A)

80 min

B)

120 min

C)

20 min

D)

30 min

View Answer
47) Two conductors of the same material have their diameters in the ratio 1 : 2 and their lengths in the ratio 2 : 1. If the temperature difference between their ends is the same, then the ratio of amounts of heat conducted per second through them will be:

A)

4 : 1

B)

1 : 4

C)

8 : 1

D)

1 : 8

View Answer
48) Blowing air with open mouth is an example of:

A)

isobaric process

B)

isochoric process

C)

isothermal process

D)

adiabatic process.

View Answer
49) Sound waves in air are always longitudinal because:

A)

of the inherent characteristics of sound waves in air

B)

air does not have a modulus of rigidity

C)

air is a mixture of several gases

D)

density of air is very small

View Answer
50) An uncharged sphere of metal is placed inside a charged parallel plate capacitor. The lines of force will look like:

A)



B)



C)



D)

View Answer
51) A current flows in a conductor from east to west. The direction of the magnetic field at a point above the conductor is:

A)

towards east

B)

towards west

C)

towards north

D)

towards south

View Answer
52) A bar magnet is equivalent to:

A)

torroid carrying current

B)

straight conductor carrying current

C)

solenoid carrying current

D)

circular coil carrying current.

View Answer
53) Excitation energy of a hydrogen like ion in its first excitation state is 40.8 eV. Energy needed to remove the electron from the ion in ground state is:

A)

40.8 eV

B)

27.2 eV

C)

54.4 eV

D)

13.6 eV

View Answer
54) The refractive index of a particular material is 1.67 for blue light, 1.65 for yellow light and 1.63 for red light. The dispersive power of the material is:

A)

0.031

B)

1.60

C)

0.0615

D)

0.024

View Answer
55) An ideal gas heat engine operates in a Carnots cycle between \[227{}^\circ C\] and\[127{}^\circ C\]. It absorbs \[6\times 10\] J at high temperature. The amount of heat converted into work is:

A)

\[1.6\times {{10}^{4}}J\]

B)

\[1.2\times {{10}^{4}}J\]

C)

\[4.8\times {{10}^{4}}J\]

D)

\[3.5\times {{10}^{4}}J\]

View Answer
56) Which one of the following graphs represents the behaviour of an ideal gas?

A)

B)

C)

D)

View Answer
57) Rainbow is formed due to:

A)

total internal reflection

B)

scattering

C)

refraction

D)

dispersion and total internal reflection

View Answer
58) A beam of parallel rays is brought to focus by a plano-convex lens. A thin concave lens of the same focal length is joined to the first lens. The effect of this is:

A)

the focus shifts to infinity

B)

the focal point shifts towards the lens by a small distance

C)

the focal point shifts away from the lens by a small distance

D)

the focus remains undisturbed

View Answer
59) When a body is earth connected, electrons from the earth flow into the body. This means the body is:

A)

charged negatively

B)

an insulator

C)

uncharged

D)

charged positively

View Answer
60) Effective capacitance between A and B in the figure shown is (all capacitances are in \[\mu \]F):

A)

\[\frac{3}{14}\mu F\]

B)

\[\frac{14}{3}\mu F\]

C)

\[21\mu F\]

D)

\[23\mu F\]

View Answer
61) Which one of the following is not an amphoteric substance?

A)

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

B)

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

C)

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

D)

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

View Answer
62) When \[50c{{m}^{3}}\]of \[0.2N\,{{H}_{2}}S{{O}_{4}}\] is mixed with \[50c{{m}^{3}}\]of \[1N\text{ }KOH\], the heat liberated is:

A)

\[11.46kJ\]

B)

\[57.3kJ\]

C)

\[573\text{ }kJ\]

D)

\[573J\]

View Answer
63) An artificial radioactive isotope gave \[_{7}^{14}N\] after two successive p-particle emissions. The number of neutrons in the parent nucleus must be:

A)

\[9\]

B)

\[14\]

C)

\[5\]

D)

\[7\]

View Answer
64) Stainless steel does not rust because:

A)

Chromium and nickel combine with iron

B)

Chromium forms an oxide layer and protects iron from rusting

C)

nickel Present in it, does not rust

D)

iron forms a hard chemical compound with chromium present in it

View Answer
65) Which of the following combinations can be used to synthesise ethanol?

A)

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

B)

\[C{{H}_{3}}MgI\] and \[{{C}_{2}}{{H}_{5}}OH\]

C)

\[C{{H}_{3}}MgI\] and \[CH{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\]

D)

\[C{{H}_{3}}MgI\] and \[HCOO{{C}_{2}}{{H}_{5}}\]

View Answer
66) A   solution   contains \[1.2046\times {{10}^{24}}\]hydrochloric acid molecules in one \[d{{m}^{3}}\]of the solution. The strength of the solution is:

A)

\[6N\]

B)

\[2N\]

C)

\[4N\]

D)

\[8N\]

View Answer
67) Nuclear theory of the atom was put forward by:

A)

Rutherford

B)

Aston

C)

Neils Bohr

D)

J.J. Thomson

View Answer
68) In acetylene molecule, the two carbon atoms are linked by:

A)

One sigma-bond and two pi-bonds

B)

Two sigma-bonds and one pi-bond

C)

Three sigma-bonds

D)

Three pi-bonds

View Answer
69) The enthalpy of reaction, \[{{H}_{2}}(g)+\frac{1}{2}{{O}_{2}}(g)\to {{H}_{2}}O(g)\] is \[\Delta {{H}_{1}}\] and that of \[{{H}_{{{2}_{(g)}}}}+\frac{1}{2}{{O}_{2}}(g)\to {{H}_{2}}{{O}_{(l)}}\]is \[\Delta {{H}_{2}}\]. Then:

A)

\[\Delta {{H}_{1}}<\Delta {{H}_{2}}\]

B)

\[\Delta {{H}_{1}}+\Delta {{H}_{2}}=0\]

C)

\[\Delta {{H}_{1}}>\Delta {{H}_{2}}\]

D)

\[\Delta {{H}_{1}}=\Delta {{H}_{2}}\]

View Answer
70) A radioactive isotope decays at such a rate that after 192 minutes only 1/16 of the original amount remains:

A)

\[32min\]

B)

\[48min\]

C)

\[12min\]

D)

\[24min\]

View Answer
71) The pressure and temperature of \[4d{{m}^{3}}\]of carbon dioxide gas are doubled. Then the volume of carbon dioxide gas would be:

A)

\[2d{{m}^{3}}\]

B)

\[3d{{m}^{3}}\]

C)

\[4d{{m}^{3}}\]

D)

\[8d{{m}^{3}}\]

View Answer
72) 4g of copper was dissolved in concentrated nitric acid. The copper nitrate solution on strong heating gave 5 g of its oxide. The equivalent weight of copper is:

A)

\[23\]

B)

\[32\]

C)

\[12\]

D)

\[20\]

View Answer
73) In the manufacture of ammonia by Habers process, \[{{N}_{2}}_{_{(g)}}+3{{H}_{2}}2N{{H}_{{{3}_{(g)}}}}+92.3kJ\] which of the following conditions is unfavourable?

A)

Increasing the temperature

B)

Increasing the pressure

C)

Reducing the temperature

D)

Removing ammonia as it is formed

View Answer
74) The chemical equilibrium of a reversible reaction is not influenced by:

A)

Pressure

B)

Catalyst

C)

Concentration of the reactants

D)

Temperature

View Answer
75) Cumene process is the most important commercial method for the manufacture of phenol. Cumene is:

A)

1-methyl ethyl benzene

B)

Ethyl benzene

C)

Vinyl benzene

D)

Propyl benzene

View Answer
76) The reagent which does not give acid chloride on treating with a carboxylic acid is:

A)

\[PC{{l}_{5}}\]

B)

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

C)

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

D)

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

View Answer
77) Among the halogens, the one which is oxidised by nitric acid is:

A)

Fluorine

B)

iodine

C)

Chlorine

D)

bromine

View Answer
78) The metal which does not form ammonium nitrate by reaction with dilute nitric acid is:

A)

\[Al\]

B)

\[Fe\]

C)

\[Pb\]

D)

\[Mg\]

View Answer
79) The elements with atomic numbers 9,17, 35,53, 85 are all:

A)

noble gases

B)

halogens

C)

heavy metals

D)

light metals

View Answer
80) In the electrolytic method of obtaining aluminium from purified bauxite, cryolite is added to the charge in order to :

A)

Minimise the heat loss due to radiation

B)

Protect aluminium produced from Oxygen

C)

Dissolve bauxite and render it conductor of electricity

D)

Lower the melting point of bauxite

View Answer
81) The number of 2p electrons having spin quantum number \[s=-1/2\]are:

A)

\[6\]

B)

\[0\]

C)

\[2\]

D)

\[3\]

View Answer
82) Pick out the alkane which differs from the other members of the group:

A)

2,2-dimethyl propane

B)

Pentane

C)

2-methyl butane

D)

2,2-dimethyl butane

View Answer
83) 56 g of nitrogen and 8g of hydrogen gas are heated in a closed vessel. At equilibrium 34 g of ammonia are present. The equilibrium number of moles of nitrogen, hydrogen and ammonia are respectively:

A)

\[1,2,2\]

B)

\[2,2,1\]

C)

\[1,1,2\]

D)

\[2,1,2\]

View Answer
84) A process is taking place at constant temperature and pressure. Then:

A)

\[\Delta H=\Delta E\]

B)

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

C)

\[\Delta H=0\]

D)

\[\Delta S=0\]

View Answer
85) In a galvanic cell, the electrons flow from:

A)

anode to cathode through the solution

B)

Cathode to anode through the solution

C)

Anode to cathode through the external circuit

D)

Cathode to anode through the external circuit

View Answer
86) The reaction, \[2S{{O}_{{{2}_{(g)}}}}+{{O}_{{{2}_{(g)}}}}2S{{O}_{{{3}_{(g)}}}}\]is carried out in a \[1d{{m}^{3}}\]vessel and \[2d{{m}^{3}}\] vessel separately. The ratio of the reaction velocities will be:

A)

\[1:8\]

B)

\[1:4\]

C)

\[4:1\]

D)

\[8:1\]

View Answer
87) In a mixture of acetic acid and sodium acetate the ratio of concentrations of the salt to the acid is increased ten times. Then the pH of the solution:

A)

Increases by one

B)

Decreases by one

C)

Decreases ten fold

D)

Increases ten fold

View Answer
88) When a mixture of methane and oxygen is passed through heated molybdenum oxide, the main product formed is:

A)

Methanoic acid

B)

Ethanal

C)

Methanol

D)

Methanal

View Answer
89) Benzene can be obtained by heating either benzoic acid with X or phenol with Y.X and Y are respectively:

A)

Zinc dust and soda lime

B)

Soda lime and zinc dust

C)

Zinc dust and sodium hydroxide

D)

Soda lime and copper

View Answer
90) An organic compound is boiled with alcoholic potash. The product is cooled and acidified with\[HCl\]. A white solid separates out. The starting compound may be:

A)

Ethyl benzoate

B)

Ethyl formate

C)

Ethyl acetate

D)

Methyl acetate

View Answer
91) A nitrogen containing organic compound gave an oily liquid on heating with bromine and potassium hydroxide solution. On shaking the product with acetic anhydride, an antipyretic drug was obtained. The reactions indicate that the starting compound is:

A)

Aniline

B)

benzamide

C)

Acetamide

D)

nitrobenzene

View Answer
92) The silver salt of a fatty acid on refluxing with an alkyi halide gives an:

A)

Acid

B)

ester

C)

Ether

D)

amine

View Answer
93) Pick out the one which does not belong to the family:

A)

Pepsin

B)

cellulose

C)

Ptyalin

D)

lipase

View Answer
94) Which one of the following is wrongly matched?

A)

Saponification of   - second order    \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\]    reaction - pseudo

B)

Hydrolysis of     \[C{{H}_{3}}COOC{{H}_{3}}\]        unimolecular reaction

C)

Decomposition      - first order reaction of \[{{H}_{2}}{{O}_{2}}\]

D)

Combination of \[{{H}_{2}}\] -first order reaction and \[B{{r}_{2}}\] to give \[HBr\]

View Answer
95) The diameter of colloidal particles range from:

A)

\[{{10}^{-6}}m\]to \[{{10}^{-9}}m\]

B)

\[{{10}^{-9}}m\] to \[{{10}^{-12}}m\]

C)

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

D)

\[{{10}^{-3}}m\] to \[{{10}^{-6}}m\]

View Answer
96) On treating a mixture of two alkyi halides with sodium metal in dry ether, 2-methyl propane was obtained. The alkyi halides are:

A)

2-chloropropane and chloromethane

B)

2-chloropropane and chloroethane

C)

chloromethane and chloroethane

D)

chloromethane and 1-chloropropane

View Answer
97) Which of the following statements about benzyl chloride is incorrect?

A)

It is less reactive than alkyi halides

B)

It can be oxidised to benzaldehyde by boiling with copper nitrate solution

C)

It is a lachrymatory liquid and answers Beilsteins test

D)

It gives a white precipitate with alcoholic silver nitrate

View Answer
98) The main product obtained when a solution of sodium carbonate reacts with mercuric chloride is:

A)

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

B)

\[HgC{{O}_{3}}.HgO\]

C)

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

D)

\[HgC{{O}_{3}}.Hg{{(OH)}_{2}}\]

View Answer
99) In the electro thermal process, the compound displaced by silica from calcium phosphate is:

A)

calcium phosphide

B)

phosphine

C)

phosphorus

D)

phosphorus pentoxide

View Answer
100) The enthalpy of combustion of methane at \[{{25}^{o}}C\]is 890 kJ. The heat liberated when \[3.2g\]of methane is burnt is air is:

A)

\[445kJ\]

B)

\[278kJ\]

C)

\[-890kJ\]

D)

\[178kJ\]

View Answer
101) The velocity constant of a reaction at 290 K was found to be\[3.2\times {{10}^{-3}}\text{ }{{s}^{-1}}\]. When the temperature is raised to\[310K\], it will be about:

A)

\[6.4\times {{10}^{-3}}\]

B)

\[3.2\times {{10}^{-4}}\]

C)

\[9.6\times {{10}^{-3}}\]

D)

\[1.28\times {{10}^{-2}}\]

View Answer
102) Select the \[_{p}{{K}_{a}}\] value of the strongest acid from the following:

A)

\[1.0\]

B)

\[3.0\]

C)

\[2.0\]

D)

\[4.5\]

View Answer
103) Pick out the unsaturated fatty acid from the following:

A)

stearic acid

B)

lauric acid

C)

oleic acid

D)

palmitic acid

View Answer
104) Nylon is not a:

A)

condensation polymer

B)

polyamide

C)

copolymer

D)

homopolymer

View Answer
105) The coal tar fraction which contains phenol is:

A)

middle oil

B)

green oil

C)

heavy oil

D)

light oil

View Answer
106) The compounds A and B are mixed in equimolar proportion to form the products,\[A+BC+D\]. At equilibrium, one third of A and B are consumed. The equilibrium constant for the reaction is:

A)

\[0.5\]

B)

\[4.0\]

C)

\[2.5\]

D)

\[0.25\]

View Answer
107) In froth floatation process for the purification of ores, the particles of ore float because:

A)

their surface is not easily wetted by water

B)

they are light

C)

they are insoluble

D)

they bear electrostatic charge

View Answer
108) Which of the following statements about amorphous solids is incorrect?

A)

They melt over a range of temperature

B)

They are anisotropic

C)

There is no orderly arrangement of particles

D)

They are rigid and incompressible

View Answer
109) Hydrogen diffuses six times faster than gas A. The molar mass of gas A is:

A)

\[72\]

B)

\[6\]

C)

\[24\]

D)

\[36\]

View Answer
110) Dulong and Petits law is valid only for :

A)

metals

B)

non-metals

C)

gaseous elements

D)

solid elements

View Answer
111) Identify the gas which is readily adsorbed by activated charcoal:

A)

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

B)

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

C)

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

D)

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

View Answer
112) If the distance between \[N{{a}^{+}}\] and \[C{{l}^{-}}\] ions in sodium chloride crystal is X pm, the length of the edge of the unit cell is:

A)

\[4X\,pm\]

B)

\[X/4\text{ }pm\]

C)

\[X/2\text{ }pm\]

D)

\[2X\text{ }pm\]

View Answer
113) Which of the following statements is incorrect?

A)

In \[{{K}_{3}}[Fe{{(CN)}_{6}}],\], the ligand has satisfied only the secondary valency of ferric ion

B)

In \[{{K}_{3}}[Fe{{(CN)}_{6}}],\]the ligand has satisfied both primary and secondary; valancies of ferric ion

C)

In \[{{K}_{4}}[Fe{{(CN)}_{6}}],\] the ligand has satisfied both primary and secondary valancies of ferrous ion

D)

In \[[Cu{{(N{{H}_{3}})}_{4}}]S{{O}_{4}}\]the ligand has satisfied only the secondary valency of copper

View Answer
114) 2-acetoxy benzoic acid is used as an:

A)

Antimalarial

B)

Antidepressant

C)

antiseptic

D)

Antipyretic

View Answer
115) A nucleoside on hydrolysis gives :

A)

a heterocyclic base and ,orthophosphoric acid

B)

an aldopentose, a heterocyclic base and orthophosphoric acid

C)

an aldopentose and a heterocyclic base

D)

an aldopentose and orthophosphoric acid

View Answer
116) In qualitative analysis, in order to detect second group basic radical, \[{{H}_{2}}S\] gas is passed in the presence of dilute \[HCl\] to:

A)

increase the dissociation of \[{{H}_{2}}S\]

B)

decrease the dissociation of salt solution

C)

decrease the dissociation of \[{{H}_{2}}S\]

D)

increase the dissociation of salt solution

View Answer
117) Aluminium displaces hydrogen from dilute \[HCl\] whereas silver does not. The e.m.f. of a cell prepared by combining \[Al/A{{l}^{3+}}\] and \[Ag/A{{g}^{+}}\] is 2.46V. The reduction potential of silver electrode is\[+0.80\text{ }V\]. The reduction potential of aluminium electrode is:

A)

\[+1.66V\]

B)

\[-3.26V\]

C)

\[3.26V\]

D)

\[-1.66V\]

View Answer
118) The first fraction obtained during the fractionation of petroleum is:

A)

hydrocarbon gases

B)

kerosene oil

C)

gasoline

D)

diesel oil

View Answer
119) Which of the following compounds gives trichlorome thane on distilling with bleaching powder?

A)

Methanal

B)

Phenol

C)

Ethanol

D)

Methanol

View Answer
120) Benzoin is:

A)

compound containing an aldehyde and a ketonic group

B)

\[\alpha ,\beta \]-unsaturated acid

C)

\[\alpha \]-hydroxy aldehyde

D)

\[\alpha \]-hydroxy ketone

View Answer
121) A gene of operon which synthesizes a represser protein is:

A)

promoter gene

B)

structural gene

C)

operator gene

D)

regulator gene

View Answer

122) Match the excretory organs listed under column-I with the animals given under column - II. Choose the answer which gives the correct combination of alphabets of the two columns:

	Column-I (Excretory organs)		Column-II (Animals)
A.	Nephridia	p.	Hydra
B.	Malpighian tubules	q.	Leech
C.	Protonephridia	r.	Shark
D.	Kidneys	s.	Flatworms
		t.	Cockroach

A - q, B -1, C - s, D - r

A - s, B - q, C - p, D - t

A -1, B - q, C - s, D - r

A - q, B - s, C -1, D - p

View Answer

123) Compound saccular glands are:

A)

intestinal glands

B)

salivary glands

C)

gastric glands

D)

endocrine glands

View Answer
124) The law of limiting factor was proposed by:

A)

F.F. Blackman

B)

D. Amon

C)

Robert Hill

D)

R. Emerson

View Answer
125) Aerosome is a part of:

A)

foetus

B)

Graafian follicle

C)

human ovum

D)

human sperm

View Answer
126) An example of Pasteur effect is:

A)

Penicillium

B)

Pinnularia

C)

Saccharomyces

D)

Nostoc

View Answer
127) One of the following is called Sewall Wright effect:

A)

genetic drift

B)

isolation

C)

gene pool

D)

gene flow

View Answer

128) Match the types of cells listed under column - I with the secretions given under column - II. Choose the answer which gives the correct combination of alphabets of the two columns:

	Column-I (Types of cells)		Column - II (Secretions)
A.	Beta cells	p.	Lysozyme
B.	Mast cells	q.	Mucus
C.	Paneth cells	r.	Histamine
D.	Acinar cells	s.	Insulin
		t.	Pancreatic enzymes

A - s, B - q, C - p, D - t

A - t, B - q, C - r, D - s

A - s, B - r, C - p, D - t

A - q, B - r, C - p, D - t

View Answer

129) Which of the following is a mechanical barrier used in birth control?

A)

Tubectomy

B)

Dalcon shield

C)

vasectomy

D)

Diaphragm

View Answer
130) The gases used in the spark-discharge apparatus were:

A)

\[{{H}_{2}},\text{ }C{{H}_{4}}\] and \[N{{H}_{3}}\]

B)

\[CO,\text{ }N{{H}_{3}}\] and \[C{{H}_{4}}\]

C)

\[{{O}_{2}},\text{ }C{{O}_{2}}\] and \[N{{H}_{3}}\]

D)

\[N{{H}_{3}},\text{ }C{{H}_{4}}\] and \[{{O}_{2}}\]

View Answer
131) The power house of cell is:

A)

mitochondria

B)

lysosome

C)

ribosome

D)

golgi complex

View Answer
132) The young one of cockroach is called:

A)

caterpillar

B)

nymph

C)

fingerling

D)

maggot

View Answer
133) The yellow colored milk secreted by cattle soon after the birth of a calf is called:

A)

chyme

B)

chyle

C)

cholesterol

D)

colostrums

View Answer
134) A bicollateral vascular bundle has the following arrangement of tissues:

A)

outer phloem \[\to \] outer xylem \[\to \] middle cambium \[\to \] inner xylem \[\to \] inner phloem

B)

outer cambium \[\to \] outer phloem \[\to \] middle xylem \[\to \] inner phloem \[\to \] inner cambium

C)

outer phloem \[\to \] outer cambium \[\to \] Huddle xylem \[\to \] inner cambium \[\to \] inner phloem

D)

outer xylem \[\to \] outer cambium \[\to \] middle phloem\[\to \] inner cambium \[\to \] inner xylem

View Answer

135) Match the branches of Biology given under column-I with the field of study listed under column-II; choose the answer which gives the correct combination of alphabets of the two columns:

	Column-I (Branch of Biology)		Column-II (Field of Study)
A.	Malacology	p.	Reptiles
B.	Pomology	q.	Fungi
C.	Mycology	r.	Fruits
D.	Ornithology	s.	Molluscs
		t.	Birds

A - s, B - t, C - q, D - t

A - s, B - t, C - p, D - t

A - p, B - r, C - q, D - t

A - 1, B - s, C - q, D - p

View Answer

136) Choose die cat fish from the following:

A)

Cirrhina mrigala

B)

Wallago attu

C)

Labeo roliita

D)

Catia catia

View Answer
137) Identify the plasmid:

A)

Alu I

B)

Hind II

C)

Eco RI

D)

\[_{p}BR\text{ }322\]

View Answer

138) Match the types of bacteria listed in column - I with their activity given in column - II. Choose the correct combination of alphabets of the two columns:

	Column-I (Types of bacteria)		Column-II (Activity)
A.	Streptomyces	p.	Food poisoning
B.	Rhizobium	q.	Source of antibiotics
C.	Nitrosomonas	r.	Nitrogen fixation
D.	Acetobacter	s.	Nitrification
		t.	Vinegar synthesis

A - q, B - r, C - p, D - t

A - q, B - r, C - s, D - t

A - s, B - t, C - p, D - r

A - t, B - p, C - r, D - s

View Answer

139) ATP was discovered by:

A)

Blackman

B)

Bowman

C)

Lipmann

D)

Karl Lohman

View Answer
140) DNA finger printing technique was first developed by:

A)

Jeffreys, Wilson and Thien

B)

Boysen and Jensen

C)

Schleiden and Schwann

D)

Edward and Steptoe

View Answer
141) Synthesis of testosterone by Leydig cells is stimulated by:

A)

LTH

B)

TSH

C)

FSH

D)

ICSH

View Answer
142) Which of the following statements is right?

A)

Fronds are found in bryophytes

B)

Multiciliate sperms are found in angiosperms

C)

Diatoms produce basidiospores

D)

Heterocysts are found in Nostoc

View Answer
143) The biogenetic law was proposed by:

A)

F. Redi

B)

Richter

C)

Weismann

D)

Haeckel

View Answer
144) Nodes of Ranvier are found in:

A)

axon

B)

sperm

C)

muscle fibre

D)

neuron

View Answer
145) Which of the following animals is protected in Kaziranga sanctuary in Assam?

A)

Indian elephant

B)

Indian rhinoceros

C)

Indian lion

D)

Indian bison

View Answer
146) The first antibiotic was discovered by:

A)

A. Flemming

B)

W. Flemming

C)

R. Koch

D)

Louis Pasteur

View Answer
147) A four chambered heart is not found in:

A)

mammals

B)

birds

C)

snake

D)

crocodile

View Answer
148) Balance theory of sex determination was proposed by:

A)

Calvin B. Bridges

B)

Strasburger

C)

T.H. Morgan

D)

Waldeyer

View Answer
149) Elongation of a genetically dwarf plant is possible by application of:

A)

cytokinin

B)

ethylene

C)

abscisic acid

D)

gibberellins

View Answer
150) The primary visual area is located in:

A)

temporal lobe

B)

occipital lobe

C)

frontal lobe

D)

parietal lobe

View Answer
151) Respiratory quotient (RQ.) is represented by:

A)

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

B)

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

C)

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

D)

\[\frac{C}{N}\]

View Answer
152) Bacterial photosynthesis involves:

A)

both PS - I and PS - II

B)

either PS - I or PS - II

C)

PS - I only

D)

PS - II only

View Answer
153) One of the following is not the types of blood groups or blood factors:

A)

Lewis and Duffy

B)

Buffs and Kips

C)

ABO and Rh

D)

Rh and MN

View Answer
154) Gynaecomastia is the symptom of:

A)

Down syndrome

B)

SARS

C)

Turners syndrome

D)

Klinefelters syndrome

View Answer
155) The term ecology was coined by:

A)

Reiter

B)

Tansley

C)

E. Munch

D)

Odum

View Answer
156) Bamboo and grasses elongate by the activity of:

A)

secondary meristem

B)

lateral meristem

C)

apical meristem

D)

intercalary meristem

View Answer
157) The example for trimerous, unisexual flower is:

A)

Cocos nucifera

B)

Hibiscus

C)

Tamarind

D)

Pea

View Answer
158) The term species was coined by:

A)

Aristotle

B)

Engler

C)

John Ray

D)

Linnaeus

View Answer

159) Match the Biological molecules listed under column - I with their biological functions given under column - II. Choose the answer which gives correct combination of alphabets of the two columns.

	Column-I (Biological molecules)		Column-II (Functions)
A.	Starch	p.	Protein synthesis
B.	Haemoglobin	q.	Sex hormone
C.	RNA	r.	Storage product
D.	Steroid	s.	Transport of gases

A - s, B - r, C - p, D - q

A - r, B - s, C - q, D - p

A - r, B - p, C - s, D - q

A - r, B - s, C - p, D - q

View Answer

160) One of the following is a disease of poultry:

A)

foot and mouth disease

B)

pebrine disease

C)

anthrax

D)

ranikhet disease

View Answer
161) Coacervates were experimentally produced by:

A)

Urey and Miller

B)

Jacob and Monod

C)

Fischer and Huxley

D)

Sidney Fox and Oparin

View Answer
162) The scientific name of zebu is:

A)

Bos indicus

B)

Bombyx nwri

C)

Biibalus bubalus

D)

Callus domesticiis

View Answer
163) Motor cells are found in:

A)

monocot leaf

B)

upper epidermis of monocot leaf

C)

brain

D)

spinal cord

View Answer
164) These belong to the category of primary consumers:

A)

snakes and frogs

B)

water insects

C)

eagle and snakes

D)

insects and cattle

View Answer
165) Bhopal gas tragedy of 1984 was caused by the leakage of gas:

A)

methyl isocyanate

B)

2,4-dichlorophenoxy acetic acid

C)

ammonia

D)

hydrogen cyanide

View Answer
166) Volkmans canals occur in:

A)

internal ear

B)

liver

C)

cartilage

D)

bone

View Answer
167) The lacteals are found in:

A)

salivary gland

B)

villi

C)

spleen

D)

mammary gland

View Answer

168) Match the theories given in column-I with the names of scientists listed in column-II. Choose the answer which gives the correct combination of the alphabets.

	Column-I (Names of theories)		Column-II (Name of scientists)
A.	Relay pump theory	p.	Stocking
B.	Transpiration cohesion theory	q.	Sir J.C. Bose
C.	Mass flow	r.	Godlewski
D.	Pulsation theory	s.	Dixon and Jolly
		t.	Ernst Munch

A - r, B - s, C - t, D - q

A - s, B - r, C - p, D - q

A - r, B - q, C - t, D - q

A - q, B - p, C - t, D - r

View Answer

169) The World Environment Day is celebrated on:

A)

5th May

B)

6th August

C)

5th June

D)

6th June 50

View Answer
170) One of the following is called pitcher plant:

A)

Nepenthes

B)

Aristolochia

C)

Drosera

D)

Utricularia

View Answer
171) Choroid plexus is a network of:

A)

capillaries

B)

muscle fibres

C)

nerves

D)

lymph vessels

View Answer
172) Chiropteriphily means:

A)

pollination by snails

B)

pollination by bats

C)

pollination by wind

D)

pollination by insects

View Answer
173) In the diagram of T.S. of stele of dicot root, the different parts have been indicated by alphabets choose the answer in which these alphabets correctly match with the parts they indicate:

A)

A - Endodermis, B - Conjuctive tissue, C - Metaxylem, D - Protoxylem, E - Phloem, F - Pith

B)

A - Endodermis, B - Pith, C - Protoxylem, D - Metaxylem, E - Phloem, F - Conjuctive tissue

C)

A - Pericycle, B - Conjuctive tissue, C - Metaxylem, D - Protoxylem, E - Phloem, F - Pith

D)

A - Endodermis, B - Conjuctive tissue, C - Protoxylem, D - Metaxylem, E - Phloem, F - Pith

View Answer
174) In the diagram of section of hyaline cartilage, the different parts have been indicated by alphabets; choose the answer in which these alphabets correctly match with the parts they indicate:

A)

A - Perichondrium; B - Chondrocyte; C - Lacuna, D - Capsular matrix, E - Chondrin

B)

A - Capsular matrix, B - Chondrocyte, C - Lacuna, D - Perichondrium, E - Chondrin

C)

A - Chondrin, B - Chondrocyte, C - Lacuna, D - Capsular matrix, E - Perichondrium

D)

A - Chondrin, B - Lacuna, C - Chondrocyte, D - Capsular matrix, E - Perichondrium

View Answer
175) In the diagram of section of Graafian follicle, different parts are indicated by alphabets; choose the answer in which these alphabets have been correctly matched with the parts they indicate:

A)

A - Theca externa, B - Theca intema, C - Ovum, D = Cumulus oophorus, E - Antrum, F - Membrana granulosa

B)

A - Membrana granulosa, B = Theca externa, C - Ovum, D - Cumulus oophorus, E - Antrum, F - Theca interna

C)

A - Membrana granulosa, B - Theca intema C - Ovum D - Cumulus oophorus, E - Antrum, F - Theca externa

D)

A - Theca externa, B - Theca interna, C - Ovum, D - Membrana granulosa, E - Antrum F - Cumulus oophorus

View Answer
176) Murein is not found in the cell wall of:

A)

Nostoc

B)

Eubacteria

C)

Cyanobacteria

D)

Diatoms

View Answer
177) Largest gametophyte is found in:

A)

Angiosperm

B)

Polytrichum

C)

Nephrolepis

D)

Cycas

View Answer

178) Match the names of diseases listed under column - I with the meanings given under column - II; choose the answer which gives the correct combination of alphabets of the two columns:

	Column-I (Names of disease)		Column-II (Meanings)
A.	Jaundice	p.	Allergic inflammation of nose
B.	Stenosis	q.	Loss of motor functions
C.	Rhinitis	r.	Heart valve defect
D.	Paralysis	s.	Increase in bile pigment in the blood
		t.	Septal defect of heart

A - q, B - t, C - r, D - q

A - s, B - p, C - q, D - r

A - s, B - r, C - p, D - q

A - s, B - t, C - p, D - q

View Answer

179) Ganongs respiroscope is used to demonstrate:

A)

production of carbon dioxide during aerobic respiration

B)

production of heat during aerobic respiration

C)

evolution of oxygen during photosynthesis

D)

evolution of carbon dioxide during fermentation

View Answer
180) Balbiani rings are found in:

A)

all chromosomes

B)

Lampbrush chromosome

C)

dicot stems

D)

polytene chromosomes

View Answer

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