Solved papers for CET Karnataka Medical CET - Karnataka Medical Solved Paper-2007

CET - Karnataka Medical Solved Paper-2007 Total Questions - 180

1) All components of the electromagnetic spectrum in vacuum have the same

A)

energy

B)

velocity

C)

wavelength

D)

frequency

View Answer
2) Which one of the following graph represents the variation of maximum kinetic energy \[\left( {{E}_{k}} \right)\] of the emitted electrons with frequency v in photoelectric effect correctly?

A)

B)

C)

D)

View Answer
3) A and B are two metals with threshold frequencies \[1.8\times {{10}^{14}}Hz\]and\[2.2\times {{10}^{14}}Hz\]. Two identical photons of energy 0.825 eV each are incident on them. Then photoelectrons are emitted by (Take h\[=\text{ }6.6\times {{10}^{-34}}J-s\])

A)

B alone

B)

A alone

C)

neither A nor B

D)

both A and B

View Answer
4) The ionization energy of \[L{{i}^{2+}}\]is equal to

A)

9hcR

B)

6hcR

C)

2hcR

D)

hcR

View Answer
5) In the Wheatstone s network given, P = 10\[\Omega \], Q = 20\[\Omega \], R = 15\[\Omega \], S = 30\[\Omega \], the current passing through the battery (of negligible internal resistance) is

A)

0.36 A

B)

zero

C)

0.18 A

D)

0.72 A

View Answer
6) Electrons in a certain energy level\[n={{n}_{1}}\], can emit 3 spectral lines. When they are in another energy level, \[n={{n}_{2}}\], they can emit 6 spectral lines. The orbital speed of the electrons in the orbits are in the ratio

A)

4 : 3

B)

3 : 4

C)

2 : 1

D)

1 : 2

View Answer
7) A circular coil carrying a certain current produces a magnetic Held Bp at its centre. The coil is now rewound so as to have 3 turns and the same current is passed through it. The new magnetic field at the centre is

A)

\[\frac{{{B}_{0}}}{9}\]

B)

\[9{{B}_{0}}\]

C)

\[\frac{{{B}_{0}}}{3}\]

D)

\[3{{B}_{0}}\]

View Answer
8) A proton and a deuteron with the same initial kinetic energy enter a magnetic field in a direction perpendicular to the direction of the field. The ratio of the radii of the circular trajectories described by them is

A)

1 : 4

B)

1 :\[\sqrt{2}\]

C)

1 : 1

D)

1 : 2

View Answer
9) Two tangent galvanometers A and B have coils of radii 8 cm and 16 cm respectively and resistance 8\[\Omega \]. each. They are connected in parallel with a cell of emf 4 V and negligible internal resistance. The deflections produced in the tangent galvanometers A and B are \[30{}^\circ \] and \[60{}^\circ \] respectively. If A has 2 turns, then B must have

A)

18 turns

B)

12 turns

C)

6 turns

D)

2 turns

View Answer
10) A charged particle is moving in a magnetic field of strength B perpendicular to the direction of the field. If q and m denote the charge and mass of the particle respectively, then the frequency of rotation of the particle is

A)

\[f=\frac{qB}{2\pi m}\]

B)

\[f=\frac{qB}{2\pi {{m}^{2}}}\]

C)

\[f=\frac{2{{\pi }^{2}}m}{qB}\]

D)

\[f=\frac{2\pi m}{qB}\]

View Answer
11) Two identical capacitors each of capacitance 5 \[\mu \]F are charged to potentials 2 kV and 1 kV respectively. Their -ve ends are connected together. When the +ve ends are also connected together, the loss of energy of the system is

A)

160 J

B)

zero

C)

5 J

D)

1.25 J

View Answer
12) A parallel plate capacitor with air as the dielectric has capacitance C. A slab of dielectric constant K and having the same thickness as the separation between the plates is introduced so as to fill one-fourth of the capacitor as shown in the figure. The new capacitance will be

A)

\[\left( K+3 \right)\frac{C}{4}\]

B)

\[\left( K+2 \right)\frac{C}{4}\]

C)

\[\left( K+1 \right)\frac{C}{4}\]

D)

\[\frac{KC}{4}\]

View Answer
13) A current of 5 A is passing through a metallic wire of cross-sectional area\[4\times {{10}^{-6}}{{m}^{2}}\]. If the density of charge carriers of the wire is\[5\times {{10}^{26}}{{m}^{-3}}\], the drift velocity of the electrons will be

A)

\[1\times {{10}^{2}}{{m}^{-1}}\]

B)

\[1.56\times {{10}^{-2}}m{{s}^{-1}}\]

C)

\[1.56\times {{10}^{-3}}m{{s}^{-1}}\]

D)

\[1\times {{10}^{-2}}m{{s}^{-1}}\]

View Answer
14) Two bulbs rated 25 W-220 V and 100 W-220 V are connected in series to a 440 V supply. The,

A)

100 W bulb fuses

B)

25 W bulb fuses

C)

both the bulbs fuse

D)

neither of the bulb fuses

View Answer
15) The current passing through the ideal ammeter in the circuit given below is

A)

1.25 A

B)

1 A

C)

0.75 A

D)

0.5 A

View Answer
16) A and B are two infinitely long straight parallel conductors. C is another straight conductor of length 1m kept parallel to A and B as shown in the figure. Then the force experienced by C is

A)

towards A equal to \[0.6\times {{10}^{-5}}N\]

B)

towards B equal to \[5.4\times {{10}^{-5}}N\]

C)

towards A equal to \[5.4\times {{10}^{-5}}N\]

D)

towards B equal to \[0.6\times {{10}^{-5}}N\]

View Answer
17) An electric bulb has a rated power of 50 W at 100 V. If it is used on an AC source 200 V, 50 Hz, a choke has to be used in series with it. This choke should have an inductance of

A)

0.1 mH

B)

1 mH

C)

0.1 H

D)

1.1 H

View Answer
18) An inductance of \[\left( \frac{200}{\pi } \right)\] mH, a capacitance pf \[\left( \frac{{{10}^{-3}}}{\pi } \right)\]F and a resistance of 10\[\Omega \] are connected in series with an AC source 220 V, 50 Hz. The phase angle of the circuit is

A)

\[\frac{\pi }{6}\]

B)

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

C)

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

D)

\[\frac{\pi }{3}\]

View Answer
19) A step-down transformer reduces the voltage of a transmission line from 2200 V to 220 V. The power delivered by it is 880 W and its efficiency is 88%. The input current is

A)

4.65 mA

B)

0.045 A

C)

0.45 A

D)

4.65 A

View Answer
20) Current in a coil changes from 4 A to zero in 0.1 s and the emf induced is 100 V. The self inductance of the coil is

A)

0.25 H

B)

0.4 H

C)

2.5 H

D)

4 H

View Answer
21) The electromagnetic theory of light failed to explain

A)

photoelectric effect

B)

polarisation

C)

diffraction

D)

interference

View Answer
22) Light from two coherent sources of the same amplitude A and wavelength \[\lambda \] illuminates the screen. The intensity of the central maximum is\[{{I}_{0}}\]. If the sources were incoherent, the intensity at the same point will be

A)

\[4{{I}_{0}}~~~~~~~~~~\]

B)

\[2{{I}_{0}}\]

C)

\[{{I}_{0}}\]

D)

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

View Answer
23) In Youngs double slit experiment with sodium vapour lamp of wavelength 589 nm and the slits 0.589 mm apart, the half angular width of the central maximum is

A)

\[si{{n}^{-1}}\left( 0.01 \right)\]

B)

\[si{{n}^{-1}}\left( 0.0001 \right)\]

C)

\[si{{n}^{-1}}\left( 0.001 \right)~\]

D)

\[si{{n}^{-1}}\left( 0.1 \right)\]

View Answer
24) A single slit Fraunhofer diffraction pattern is formed with white light. For what wavelength of light the third secondary maximum in the diffraction pattern coincides with the second secondary maximum in the pattern for red light of wavelength\[\text{6500}\overset{\text{o}}{\mathop{\text{A}}}\,\]?

A)

\[4400\overset{\text{o}}{\mathop{\text{A}}}\,\]

B)

\[\text{4100}\overset{\text{o}}{\mathop{\text{A}}}\,\]

C)

\[4642.8\overset{\text{o}}{\mathop{\text{A}}}\,\]

D)

\[9100\overset{\text{o}}{\mathop{\text{A}}}\,\]

View Answer
25) The head lights of a jeep are 1.2 m apart. If the pupil of the eye of an observer has a diameter of mm and light of wavelength \[5896\overset{\text{o}}{\mathop{\text{A}}}\,\] is used, what should be the maximum distance of the jeep from the observer if the two head lights are just separated?

A)

33.9 km

B)

33.9 m

C)

3.34 m

D)

3.39 m

View Answer
26) The de-Broglie wavelength of a proton (charge\[=1.6\times {{10}^{-19}}C\],\[mass=1.6\times {{10}^{-27}}kg\]) accelerated through a potential difference of kV is

A)

\[\text{600}\overset{\text{o}}{\mathop{\text{A}}}\,\]

B)

\[0.9\times {{10}^{-12}}m\]

C)

\[7{{A}^{o}}\]

D)

\[0.9\text{ }nm\]

View Answer
27) A radioactive element forms its own isotope after 3 consecutive disintegrations. The particles emitted are

A)

3 \[\beta \]-particles

B)

2 \[\beta \]-particles and 1 \[\alpha \]-particle

C)

2 \[\beta \]-particles and 1 \[\gamma \]-particle

D)

2 \[\beta \]-particles and 1 \[\beta \]-particle

View Answer
28) A radioactive substance contains 10000 nuclei and its half-life period is 20 days. The number of nuclei present at the end of 10 days is

A)

7070

B)

9000

C)

8000

D)

7500

View Answer
29) In Raman effect Stokes lines are spectral lines having

A)

frequency greater than that of the original line

B)

wavelength equal to that of the original line

C)

wavelength less than that of the original line

D)

wavelength greater than that of the original line

View Answer
30) The principle of LASER action involves

A)

amplification of particular frequency emitted by the system

B)

population inversion

C)

stimulated emission

D)

all of the above

View Answer
31) A ray of light is travelling from glass to air. (refractive index of glass = 1.5). The angle of incidence is\[50{}^\circ \]. The deviation of the ray is

A)

\[0{}^\circ \]

B)

\[80{}^\circ \]

C)

\[{{50}^{0}}-{{\sin }^{-1}}\left[ \frac{\sin \,{{50}^{0}}}{1.5} \right]\]

D)

\[{{50}^{0}}-{{\sin }^{-1}}\left[ \frac{\sin \,{{50}^{0}}}{1.5} \right]-{{50}^{0}}\]

View Answer
32) A vessel of height 2d is half-filled with a liquid of refractive index \[\sqrt{2}\] and the other half with a liquid of refractive index n (the given liquids are immiscible). Then the apparent depth of the inner surface of the bottom- of the vessel (neglecting the thickness of the bottom of the vessel) will be

A)

\[\frac{n}{d\left( n+\sqrt{2} \right)}\]

B)

\[\frac{d\left( n+\sqrt{2} \right)}{n\sqrt{2}}\]

C)

\[\frac{\sqrt{2}n}{d\left( n+\sqrt{2} \right)}\]

D)

\[\frac{nd}{d+\sqrt{2n}}\]

View Answer
33) A ray of light is incident normally on one face of a right angled isosceles prism. It then grazes the hypotenuse. The refractive index of the material of the prism is

A)

1.33

B)

1.414

C)

1.5

D)

1.732

View Answer
34) Two thin equiconvex lenses each of focal length 0.2 m are placed coaxially with their optic centre 0.5 m apart. Then the focal length of the combination is

A)

- 0.4 m

B)

0.4 m

C)

- 0.1 m

D)

0.1 m

View Answer
35) A prism of a certain angle deviates the red and blue rays by \[8{}^\circ \] and \[12{}^\circ \]respectively. Another prism of the same angle deviates the red and blue rays by \[10{}^\circ \] and \[14{}^\circ \]respectively. The prisms are small angled and made of different materials. The dispersive powers of the materials of the prisms are in the ratio

A)

5 : 6

B)

9 : 11

C)

6 : 5

D)

11 : 9

View Answer
36) When the angle of incidence is \[60{}^\circ \] on the surface of a glass slab, it is found that the reflected ray is completely polarised. The velocity of light in glass is

A)

\[\sqrt{2}\times {{10}^{8}}m{{s}^{-1}}\]

B)

\[\sqrt{3}\times {{10}^{8}}m{{s}^{-1}}\]

C)

\[2\times {{10}^{8}}m{{s}^{-1}}\]

D)

\[3\times {{10}^{8}}m{{s}^{-1}}\]

View Answer
37) A 20 cm length of a certain solution causes right handed rotation of\[38{}^\circ \]. A 30 cm length of another solution causes left handed rotation of\[24{}^\circ \]. The optical rotation caused by 30 cm length of a mixture of the above solutions in the volume ratio 1 : 2 is

A)

left handed rotation of \[14{}^\circ \]

B)

right handed rotation of \[14{}^\circ \]

C)

left handed rotation of \[3{}^\circ \]

D)

right handed rotation of 3°

View Answer
38) Two identical charges repel each other with a force equal to 10 mg wt when they are 0.6 m a part in air\[\left( g=10m{{s}^{-2}} \right)\]. The value of each charge is

A)

\[2\text{ }mC\]

B)

\[2\times {{10}^{-7}}C\]

C)

\[2\text{ }nC\]

D)

\[2\mu C\]

View Answer
39) The potential of the electric field produced by point charge at any point (x, y, z) is given by V = 3 x 2 + 5, where x, y are in metres and V is in volts. The intensity of the electric field at (-2,1,0) is

A)

\[+17\text{ }V{{m}^{-1}}\]

B)

\[-17\text{ }V{{m}^{-1}}\]

C)

\[+12\text{ }V{{m}^{-1}}\]

D)

\[-12\text{ }V{{m}^{-1}}\]

View Answer
40) The potential of a large liquid drop when eight liquid drops are combined is 20 V. Then the potential of each single drop was

A)

10 V

B)

7.5 V

C)

5 V

D)

2.5 V

View Answer
41) The dimensional formula for impulse is

A)

\[\left[ ML{{T}^{-1}} \right]\]

B)

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

C)

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

D)

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

View Answer
42) The maximum height attained by a projectile when thrown at an angle 9 with the horizontal is found to be half the horizontal range. Then 0 is equal to

A)

\[{{\tan }^{-1}}\left( 2 \right)\]

B)

\[\frac{\pi }{6}\]

C)

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

D)

\[{{\tan }^{-1}}\left( \frac{1}{2} \right)\]

View Answer
43) A shell of mass 20 kg at rest explodes into two fragments whose masses are in the ratio 2:3. The smaller fragment moves with a velocity of 6ms-1. The kinetic energy of the larger fragment is

A)

96 J

B)

216 J

C)

144 J

D)

360 J

View Answer
44) Water rises in plant fibres due to

A)

capillarity

B)

viscosity

C)

fluid pressure

D)

osmosis

View Answer
45) The acceleration due to gravity becomes \[\left( \frac{g}{2} \right)\] (g = acceleration due to gravity on the surface of the earth) at a height equal to

A)

4 R

B)

R

C)

2 R

D)

R

View Answer
46) The cylindrical tube of a spray pump has a cross-section of\[8\text{ }c{{m}^{2}}\], one end of which has 40 fine holes each of area\[{{10}^{-8}}{{m}^{2}}\]. If the liquid flows inside the tube with a speed of 0.15 m\[mi{{n}^{-1}}\], the speed with which the liquid is ejected through the holes is

A)

\[50\text{ }m{{s}^{-1}}~\]

B)

\[5\text{ }m{{s}^{-1}}\]

C)

\[0.05\text{ }m{{s}^{-1}}\]

D)

\[0.5\text{ }m{{s}^{-1}}\]

View Answer
47) During an adiabatic process, the cube of the pressure is found to be inversely proportional to the fourth power of the volume. Then the ratio of specific heats is

A)

1

B)

1.33

C)

1.67

D)

1.4

View Answer
48) Two identical rods AC and CB made of two different metals having thermal conductivities in the ratio 2 : 3 are kept in contact with each other at the end C as shown in the figure. A is at \[100{}^\circ C\]and B is at\[25{}^\circ C\]. Then the junction C is at

A)

\[55{}^\circ C~\]

B)

\[60{}^\circ C\]

C)

\[75{}^\circ C\]

D)

\[50{}^\circ C\]

View Answer
49) 310 J of heat is required to raise the temperature of 2 moles of an ideal gas at, constant pressure from \[25{}^\circ C\]to\[35{}^\circ C\]. The amount of heat required to raise the temperature of the gas through the same range at constant volume is

A)

384 J

B)

144 J

C)

276 J

D)

452 J

View Answer
50) A Carnots engine operates with source at \[{{127}^{0}}C\]and sink at\[27{}^\circ C\]. If the source supplies 40 kJ of heat energy, the work done by the engine is

A)

30 kJ

B)

10 kJ

C)

4 kJ

D)

1 kJ

View Answer
51) The maximum particle velocity in a wave motion is half the wave velocity. Then the amplitude of the wave is equal to

A)

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

B)

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

C)

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

D)

\[\lambda \]

View Answer
52) The ratio of the velocity of sound in hydrogen \[\left( \gamma =\frac{5}{3} \right)\] to that in helium y = - at the same temperature is

A)

\[\sqrt{\frac{5}{42}}\]

B)

\[\sqrt{\frac{5}{21}}\]

C)

\[\sqrt{\frac{42}{5}}\]

D)

\[\sqrt{\frac{21}{5}}\]

View Answer
53) An engine moving towards a wall with a velocity \[50\text{ }m{{s}^{-1}}\] emits a note of\[1.2\text{ }kHz\]. Speed of sound in air is\[350\text{ }m{{s}^{-1}}\]. The frequency of the note after reflection from the wall as heard by the driver of the engine is

A)

2.4 kHz

B)

0.24 kHz

C)

1.6 kHz

D)

1.2 kHz

View Answer
54) A glass tube is open at both the ends. A tuning fork of frequency f resonates with the air column inside the tube. Now the tube is placed vertically inside water so that half the length of the tube is filled with water. Now the air column inside the tube is in unison with another fork of frequency f.Then

A)

f = f

B)

f = 4f

C)

f = 2f

D)

f = \[\frac{f}{2}\]

View Answer
55) The surface temperature of the sun which has maximum energy emission at 500 nm is 6000 K. The temperature of a star which has maximum energy emission at 400 nm will be

A)

8500 K

B)

4500 K

C)

7500 K

D)

6500 K

View Answer
56) The volume of a nucleus is directly proportional

A)

A

B)

\[{{A}^{3}}\]

C)

\[\sqrt{A}\]

D)

\[{{A}^{1/3}}\] (where A = mass number of the nucleus)

View Answer
57) An electron is

A)

a hadron

B)

a baryon

C)

a nucleon

D)

a lepton

View Answer
58) Minority carriers in a p -type semiconductor are

A)

free electrons

B)

holes

C)

neither holes nor free electrons

D)

both holes and free electrons

View Answer
59) In a reverse biased diode when the applied voltage changes by 1V, the current is found to change by 0.5 \[\mu \]A. The reverse bias resistance of the diode is

A)

\[2\times {{10}^{5}}\Omega \]

B)

\[2\times {{10}^{6}}\Omega \]

C)

\[200\,\Omega \]

D)

\[2\,\Omega \]

View Answer
60) The truth table given below is for (A and B are the inputs, Y is the output)

A B Y

0 0 1

0 1 1

1 0 1

1 1 0

A)

NOR

B)

AND

C)

XOR

D)

NAND

View Answer
61) The number of unidentate ligands in the complex ion is called

A)

oxidation number

B)

primary valency

C)

coordination number

D)

EAN

View Answer
62) \[2S{{O}_{2}}(g)+{{O}_{2}}(g)\] is an example for

A)

neutralisation reaction

B)

homogeneous catalysis

C)

heterogeneous catalysis

D)

irreversible reaction

View Answer
63) The amino acid which is not optically active is

A)

lactic acid

B)

serine

C)

alanine

D)

glycine

View Answer
64) For a stable molecule, the value of bond order must be

A)

there is no relationship between stability and bond order

B)

zero

C)

positive

D)

negative

View Answer
65) Which one of the following is a second order reaction?

A)

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

B)

\[N{{H}_{4}}N{{O}_{3}}\xrightarrow{{}}{{N}_{2}}+3{{H}_{2}}O\]

C)

\[{{H}_{2}}+C{{l}_{2}}\xrightarrow{sunlight}2HCl\]

D)

\[C{{H}_{3}}COOC{{H}_{3}}+NaOH\xrightarrow{{}}C{{H}_{3}}COONa+{{H}_{2}}O\]

View Answer
66) Denatured alcohol is

A)

ethanol + methanol

B)

rectified spirit + methanol + naphtha

C)

undistilled ethanol

D)

rectified spirit

View Answer
67) During the formation of a chemical bond

A)

electron-electron repulsion becomes more than the nucleus-electron attraction

B)

energy of the system does not change

C)

enetgy/increases

D)

energy decreases

View Answer
68) One mole of oxygen at 273 K and one mole of sulphur dioxide at 546 K are taken in two separate containers, then,

A)

kinetic energy of \[{{O}_{2}}>\] kinetic energy of \[S{{O}_{2}}\]

B)

kinetic energy of \[{{O}_{2}}<\] kinetic energy of \[S{{O}_{2}}\]

C)

kinetic energy of both are equal

D)

None of the above

View Answer
69) \[+I\] effect is shown by

A)

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

B)

\[-Br\]

C)

\[-Cl\]

D)

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

View Answer
70) Formation of coloured solution is possible when metal ion in the compound contains

A)

paired electrons

B)

lone pair of electrons

C)

unpaired electrons

D)

none of the above

View Answer
71) Benzene reacts with chlorine in sunlight to give a final product

A)

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

B)

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

C)

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

D)

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

View Answer
72) In the periodic table metals usually used as catalysts belong to

A)

f-block

B)

d-block

C)

p-block

D)

s-block

View Answer
73) Daltons law of partial pressure is applicable to which one of the following systems?

A)

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

B)

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

C)

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

D)

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

View Answer
74) The general formula of a cycloalkane is

A)

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

B)

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

C)

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

D)

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

View Answer
75) In acetylene molecule, between the carbon atoms there are

A)

three pi bonds

B)

one sigma and two pi bonds

C)

two sigma and one pi bonds

D)

three sigma bonds

View Answer
76) Which of the following is an intensive property?

A)

temperature

B)

viscosity

C)

surface tension

D)

all of these

View Answer
77) Hofmanns bromamide reaction is to convert

A)

acid to alcohol

B)

alcohol to acid

C)

amide to amine

D)

amine to amide

View Answer
78) IUPAC name of \[N{{a}_{3}}[Co{{(N{{O}_{2}})}_{6}}]\] is

A)

sodium hexanitrito cobaltate (II)

B)

sodium hexanitro cobaltate (III)

C)

sodium hexanitrito cobaltate (III)

D)

sodium cobaltinitrite

View Answer
79) In equilibrium state the value of \[\Delta G\] is

A)

zero

B)

negative

C)

positive

D)

may be negative or positive

View Answer
80) How many chiral carbon atoms are present in 2,3. 4-trichloropentane?

A)

\[4\]

B)

\[1\]

C)

\[2\]

D)

\[3\]

View Answer
81) Which one of the following shows functional isomerism?

A)

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

B)

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

C)

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

D)

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

View Answer
82) In the ionic equation \[-Bio_{3}^{-}+6{{H}^{+}}+x{{e}^{-}}\xrightarrow{{}}\] \[B{{i}^{3+}}+3{{H}_{2}}O\], the values of x is:

A)

\[6\]

B)

\[2\]

C)

\[4\]

D)

\[3\]

View Answer
83) Molarity of a given orthophosphoric acid solution is 3 M. Its normality is

A)

\[9N\]

B)

\[0.3N\]

C)

\[3N\]

D)

\[1N\]

View Answer
84) Acidified sodium fusion extract on addition of ferric chloride solution gives blood red colouration which confirms the presence of

A)

\[S\] and \[Cl\]

B)

\[N\] and \[S\]

C)

\[N\]

D)

\[S\]

View Answer
85) A body of mass 10 mg is moving with a velocity of \[100\text{ }m{{s}^{-1}}\]. The wavelength of de-Broglie wave associated with it would be \[(h=6.63\times {{10}^{-34}}js)\]

A)

\[6.63\times {{10}^{-35}}m\]

B)

\[6.63\times {{10}^{-34}}m\]

C)

\[6.63\times {{10}^{-31}}m\]

D)

\[6.63\times {{10}^{-37}}m\]

View Answer
86) Angle strain in cyclopropane is

A)

\[{{24}^{o}}44\]

B)

\[{{9}^{o}}44\]

C)

\[44\]

D)

\[-{{5}^{o}}16\]

View Answer
87) The number of antibonding electron pairs in \[O_{2}^{2-}\]molecular ion on the basis of molecular orbital theory is (Atomic number of 0 is 18.)

A)

\[5\]

B)

\[4\]

C)

\[3\]

D)

\[2\]

View Answer
88) Hydroxyl ion concentration of \[{{10}^{-2}}M\,\,HCl\] is

A)

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

B)

\[1\times {{10}^{-12}}mol\text{ }d{{m}^{-3}}\]

C)

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

D)

\[1\times {{10}^{-14}}mol\text{ }d{{m}^{-3}}\]

View Answer
89) Geometrical isomerism is shown by

A)

\[-C-C-\]

B)

C)

\[-C=C-\]

D)

None of these

View Answer
90) The oxidation state of iron in \[{{K}_{4}}[Fe{{(CN)}_{6}}]\] is

A)

\[1\]

B)

\[4\]

C)

\[3\]

D)

\[2\]

View Answer
91) During the extraction of gold the following reactions take place \[Au+C{{N}^{-}}+{{H}_{2}}O\xrightarrow{{{O}_{2}}}[X]\] \[[X]+Zn\xrightarrow{{}}[Y]+Au\]- X and V are respectively

A)

\[{{[Au{{(CN)}_{2}}]}^{-}}\]and \[{{[Zn{{(CN)}_{6}}]}^{4-}}\]

B)

\[{{[Au{{(CN)}_{4}}]}^{2-}}\]and \[{{[Zn{{(CN)}_{4}}]}^{2-}}\]

C)

\[{{[Au{{(CN)}_{4}}]}^{3-}}\] and \[{{[Zn{{(CN)}_{4}}]}^{2-}}\]

D)

\[{{[Au{{(CN)}_{2}}]}^{-}}\]and[ \[{{[Zn{{(CN)}_{4}}]}^{2-}}\]

View Answer
92) The number of gram molecules of chlorine in \[6.02\times {{10}^{25}}\] hydrogen chloride molecules is

A)

\[10\]

B)

\[100\]

C)

\[50\]

D)

\[5\]

View Answer
93) Graphite is a soft solid lubricant extremely difficult to melt. The reason for this anomalous behavior is that graphite

A)

is an allotropic form of carbon

B)

is a non-crystalline substance

C)

has carbon atoms arranged in large plates of rings of strongly bond carbon atoms with weak interplate bonds

D)

has molecules of variable molecular masses like polymers

View Answer
94) Paracetamol is a/an

A)

antipyretic

B)

analgesic

C)

both [a] and [b]

D)

antimalarial

View Answer
95) Which one of the following has maximum number of atoms of oxygen?

A)

2 g of carbon monoxide

B)

2 g of carbon dioxide

C)

2 g of sulphur dioxide

D)

2 got water

View Answer
96) \[M{{g}^{2+}}\]c is isoelectronic with

A)

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

B)

\[Z{{n}^{2+}}\]

C)

\[N{{a}^{+}}\]

D)

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

View Answer
97) Gram molecular volume of oxygen at STP is

A)

\[3200\text{ }c{{m}^{3}}\]

B)

\[5600c{{m}^{3}}\]

C)

\[22400c{{m}^{3}}\]

D)

\[11200c{{m}^{3}}\]

View Answer
98) Presence of halogen in organic compounds can be detected using

A)

Leibigs test

B)

Dumas test

C)

Kjeldahltest

D)

Beilstiens test

View Answer
99) The electronic configuration of \[C{{r}^{3+}}\] is

A)

\[[Ar]3{{d}^{4}}\,4{{s}^{2}}\]

B)

\[[Ar]3{{d}^{3}}\,4{{s}^{0}}\]

C)

\[[Ar]3{{d}^{2}}\,4{{s}^{1}}\]

D)

\[[Ar]3{{d}^{5}}\,4{{s}^{1}}\]

View Answer
100) What is the equivalent weight of \[SnC{{l}_{2}}\] in the following reaction \[SnC{{l}_{2}}+C{{l}_{2}}\xrightarrow{{}}SnC{{l}_{4}}\]

A)

\[95\]

B)

\[45\]

C)

\[60\]

D)

\[30\]

View Answer
101) Which of the following forms a colourless solution in aqueous medium?

A)

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

B)

\[{{V}^{3+}}\]

C)

\[S{{c}^{3+}}\]

D)

\[T{{i}^{3+}}\]

View Answer
102) When a sulphur sol is evaporated sulphur is Obtained. On mixing with water sulphur sol is not formed. The sol is

A)

lyophilic

B)

reversible -

C)

hydrophobic

D)

hydrophilic

View Answer
103) An alkyi halide reacts with alcoholic ammonia in a sealed tube/the product formed will be

A)

a primary amine

B)

a secondary amine

C)

a tertiary amine

D)

a mixture of all the three

View Answer
104) When cone.\[{{H}_{2}}S{{O}_{4}}\] is heated with \[{{P}_{2}}{{O}_{5}}\] the acid is converted into

A)

sulphur trioxide

B)

sulphur dioxide

C)

sulphur

D)

a mixture of sulphur dioxide and sulphur trioxide

View Answer
105) Entropy of the universe is

A)

constant

B)

zero

C)

continuously decreasing

D)

continuously increasing

View Answer
106) Which one of the following salts on being dissolved in water gives \[pH>7\]cat \[{{25}^{o}}C\]?

A)

\[KCN\]

B)

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

C)

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

D)

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

View Answer
107) The reagent used in Clemmensens reduction is

A)

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

B)

\[Zn-Hg/conc.HCl\]

C)

\[aqKOH\]

D)

\[ale.\text{ }KOH\]

View Answer
108) When \[KBr\] is dissolved in water, \[{{K}^{+}}\] ions are

A)

hydrated

B)

hydrolysed

C)

reduced

D)

oxidized

View Answer
109) The noble gas mixture is cooled in a coconut bulb at 173 K. The gases that are not adsorbed are

A)

\[Ne\] and \[Xe\]

B)

\[He\] and \[Xe\]

C)

\[Ar\] and \[Kr\]

D)

\[He\] and \[Ne\]

View Answer
110) The volume of \[10N\]and \[4N\text{ }HCl\]required to make 1 L of \[7N\text{ }HCl\]are

A)

\[0.50L\]of \[10N\text{ }HCl\]and \[0.50L\]of \[4N\text{ }HCl\]

B)

\[0.60L\] of \[10N\text{ }HCl\] and \[0.40L\]of \[4N\text{ }HCl\]

C)

\[0.80L\]of \[10N\text{ }HCl\]and \[0.20L\]of \[4N\text{ }HCl\]

D)

\[0.75L\]of \[10N\text{ }HCl\] and \[0.25L\]of \[4N\text{ }HCl\]

View Answer
111) A metal present in vitamin \[{{B}_{12}}\] is

A)

aluminium

B)

zinc

C)

iron

D)

cobalt

View Answer
112) An oxide of the element contains 20% 02 by weight. Calculate the equivalent weight of the element.

A)

\[8\]

B)

\[16\]

C)

\[32\]

D)

\[12\]

View Answer
113) Maximum number of molecules of \[C{{H}_{3}}I\] that can react with a molecule of \[C{{H}_{3}}N{{H}_{2}}\]are

A)

\[3\]

B)

\[4\]

C)

\[2\]

D)

\[1\]

View Answer
114) The relation between \[\Delta H\] and \[\Delta U\] is

A)

\[\Delta H=\Delta U+RT\]

B)

\[\Delta H=\Delta U-nRT\]

C)

\[\Delta H=\Delta U-\Delta nRT\]

D)

\[\Delta U=\Delta H-\Delta nRT\]

View Answer
115) Identify the ore not cotaining iron.

A)

limonite

B)

siderite

C)

carnallite

D)

chalcopyrites

View Answer
116) In which of the following process, maximum increase in entropy is observed?

A)

Melting of ice

B)

Sublimation of naphthalene

C)

Condensation of water

D)

Dissolution of salt in water

View Answer
117) Decomposition of benzene diazonium chloride by using \[C{{u}_{2}}C{{l}_{2}}/HCl\] to form chlorobenzene is

A)

Raschigs reaction

B)

Sandmeyers reaction

C)

Kolbes reaction

D)

Cannizaros reaction

View Answer
118) Which complex cannot ionise in solution?

A)

\[[CoC{{l}_{3}}{{(N{{H}_{3}})}_{3}}]\]

B)

\[{{K}_{4}}[Fe{{(CN)}_{6}}]\]

C)

\[{{K}_{2}}[Pt({{F}_{6}})]\]

D)

\[[Pt{{(N{{H}_{3}})}_{6}}]C{{l}_{4}}\]

View Answer
119) Considering the reaction \[C(s)+{{O}_{2}}(g)\]\[\xrightarrow{{}}C{{O}_{2}}(g)+393.5kJ\] the sings of \[\Delta H,\,\,\Delta S\] and \[\Delta G\,\] respectively are

A)

\[+.-,-\]

B)

\[-,+,+\]

C)

\[-,-,-\]

D)

\[-,+,-\]

View Answer
120) The product formed when hydroxylamine condenses with a carbonyl compound is called

A)

hydrazide

B)

oxime

C)

hydrazine

D)

hydrazo

View Answer
121) In which of the following organisms, self-fertilization is seen?

A)

Fish

B)

Roundworm

C)

Earthworm

D)

Liver fluke

View Answer
122) Rauwolfia serpentina belongs to family

A)

Apocyanaceae

B)

Solanaceae

C)

Liliaceae

D)

Fabaceae

View Answer
123) In the above schematic diagram, which is plastocyanin?

A)

C

B)

D

C)

A

D)

B

View Answer
124) In ABO blood groups, how many phenotypes are found?

A)

6

B)

8

C)

1

D)

4

View Answer
125) The tumor inducing capacity of Agrobacterium tumefadeiis is located in large extra chromosomal plasmids called

A)

Ri plasmid

B)

lambda phage

C)

pBR 322

D)

Ti plasmid

View Answer
126) If a length of DMA has 45,000 base pairs, how many complete turns will the DNA molecule takes?

A)

4,500

B)

45,000

C)

45

D)

450

View Answer
127) The process in which mature differentiated cells reverse to meristematic activity to form callus is called

A)

dedifferenriarion

B)

differentiation

C)

cyto - differentiation

D)

redifferentiation

View Answer
128) The lateral roots originate from

A)

endoderm cells

B)

pericycle cells

C)

epiblema

D)

cortical cells below root hairs

View Answer
129) Which accessory genital gland occurs only in mammalian male?

A)

Prostate gland

B)

Perineal gland

C)

Cowpers gland

D)

Bartholian gland

View Answer
130) When the concentration of the soil solutes is low, the absorption of water

A)

remains normal

B)

is stopped

C)

is increased

D)

is decreased

View Answer
131) In the diagram of lenticel identify the parts as A, B, C, D

A)

A - phellem, B - periderm, C - phellogen, D -phelloderm

B)

A - phellem, B - complementary cells, C -phelloderm, D - periderm

C)

A - complementary cells, B - phellogen, C -phelloderm, D - periderm

D)

A - complementary - cells, B - phellem, C -periderm, D - phelloderm

View Answer
132) Sterilization of tissue culture medium is done by

A)

autoclaving of medium at \[120{}^\circ C\]for 15 minutes

B)

Filtering the medium through Fine sieve

C)

mixing the medium with antifungal agents

D)

keeping the medium at \[-\text{ }20{}^\circ C\]

View Answer

133) Match the following:

A.	Leishmania donovani	1.	Malaria
B.	Wuchereria bancrofti	2.	Amoebiasis
C.	Trypanosoma gambiense	3.	Kala - azar
D.	Entamoeba histolytica	4.	Sleeping sickness
		5.	Filariasis

A- 4 B- 3 C- 2 D-1

A-3 B-4 C-5 D-1

A-3 B-5 C-4 D-2

A-3 B-5 C-2 D-1

View Answer

134) The idea of Natural Selection as the fundamental process of evolutionary changes was reached

A)

By Alfred Russel Wallace in 1901

B)

Independently by Charles Darwin and Alfred Russel Wallace in 1859

C)

Independently by Charles Darwin and Alfred Russel Wallace in 1900

D)

By Charles Darwin in 1866

View Answer
135) Auxins originates at the tip of the stem and controls growth elsewhere. The movement of auxin is largely

A)

basipetal

B)

acropetal

C)

both [a] and [b]

D)

centripetal

View Answer
136) Name the class of the Mycota, which is commonly called- fungi imperfecti?

A)

Deuteromycota

B)

Ascomycota

C)

Zygomycota

D)

Basidiomycota

View Answer
137) Which one is not correct about Krebs cycle?

A)

It is also called citric acid cycle

B)

The intermediate compound which links glycolysis with Krebs cycle is malic acid

C)

It occurs in mitochondria

D)

It starts with six carbon compound

View Answer
138) Which would do maximum harm to a tree?

A)

loss of half of its branches

B)

loss of all its bark

C)

loss of all its leaves

D)

loss of half of its leaves

View Answer
139) In the above given diagram which blood vessel represents vena cava?

A)

C

B)

D

C)

A

D)

B

View Answer
140) Rh- person donated blood to Rh+ person for the second time. Then,

A)

\[R{{h}^{-}}\]person will die

B)

Nothing happens to \[R{{h}^{+}}\]person

C)

\[R{{h}^{+}}\]blood starts reacting to \[R{{h}^{+}}\]blood

D)

\[R{{h}^{+}}\]person will die

View Answer
141) Edaphology is

A)

study of elephants

B)

study of snakes

C)

study of amphibians

D)

none of the above

View Answer
142) Pineal gland of human brain secretes melatonin concerned with

A)

anger

B)

body temperature

C)

colouration of skin

D)

sleep

View Answer
143) When a tall plant with round seeds (TIRR) crossed with a dwarf plant with wrinkle seeds (ttrr), the F; generation consists of tall plants with round seeds. What would be the proportion of dwarf plant with wrinkle seeds in F1 generation?

A)

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

B)

\[\frac{1}{16}\]

C)

\[0\]

D)

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

View Answer
144) Cell wall consists of

A)

lignin, hemicellulose, protein and lipid

B)

hemicellulose, cellulose, tubulin and lignin

C)

lignin, hemicellulose, pectin and lipid

D)

Lignin, hemicellulose, pectin and cellulose

View Answer
145) The post anal tail is present in

A)

chordates

B)

vertebrates

C)

invertebrates

D)

in all of them

View Answer
146) The term cytoplasm and nucleoplasm were given by

A)

Purkinje

B)

Strasburger

C)

Brown

D)

Flemming

View Answer
147) Which of the following experiment is called physiological demonstration of osmosis?

A)

Thistle funnel-whose mouth is tied with egg membrane

B)

Thistle funnel - whose mouth is tied with parchment paper

C)

Potometer

D)

Bell jar experiment

View Answer
148) The net gain of ATP during glycolysis is

A)

six

B)

eight

C)

two

D)

four

View Answer
149) Coronary heart disease is due to

A)

Streptococci bacteria

B)

inflammation of pericardium

C)

weakening of the heart valves

D)

insufficient blood supply to the heart muscles

View Answer
150) Manas sanctuary is located at

A)

Rajasthan

B)

Assam

C)

Bihar

D)

Gujarat

View Answer
151) Checking of reradiating heat by atmospheric dust\[{{O}_{3}}\], \[C{{O}_{2}}\]and water vapours is

A)

green house effect

B)

solar effect

C)

ozone layer effect

D)

radioactive effect

View Answer
152) Mutation cannot change

A)

RNA

B)

environment

C)

enzyme

D)

DNA

View Answer
153) Liberation of \[{{O}_{2}}\] when green cells in water are exposed to sunlight in the presence of suitable acceptor is called

A)

Arnons reaction

B)

Emersons enhance effect

C)

Blackmanns reaction

D)

Hills reaction

View Answer
154) Guttation is mainly due to

A)

root pressure

B)

imbibition

C)

osmosis

D)

transpiration

View Answer
155) Statement A : All metatherians are placental mammals. Statement B : All placental mammals have menstrual cycle.

A)

Statement A is true and statement B is false

B)

Statement B is true and statement A is false

C)

Both the statements A and B are true

D)

Both the statements A and B are false

View Answer
156) Population density of terrestrial organisms is measured in terms of individual per

A)

\[mete{{r}^{3}}\]

B)

\[mete{{r}^{4}}\]

C)

\[meter\]

D)

\[mete{{r}^{2}}\]

View Answer
157) Nitrogenous waste products are eliminated mainly as

A)

urea in tadpole and uric acid in adult frog

B)

urea in adult frog and ammonia in tadpole

C)

urea in tadpole as well as in adult frog

D)

urea in tadpole and ammonia in adult frog

View Answer
158) In man, the blue eye colour is recessive to the brown eye colour. If the boy has brown eye and his mother is blue eyed, what would be the phenorype of his father?

A)

Black eye

B)

Brown eye

C)

Green eye

D)

Blue eye

View Answer
159) Munch hypothesis is based on

A)

translocation of food due to TP gradient and imbibition force

B)

translocation of food due to Turgor Pressure (TP) gradient

C)

translocation of food due to imbibition force

D)

none of the above

View Answer
160) Interferons are

A)

anti - bacterial protein

B)

anti - viral protein

C)

complex protein

D)

anti - clotting protein

View Answer
161) The first process by which water enters into the seed coat when a seed is placed in suitable environment for germination is

A)

osmosis

B)

active transport

C)

absorption

D)

imbibitions

View Answer
162) .......... is the taxon, which is likely to move into endangered category in near future, if conditions prevail as it is

A)

vulnerable

B)

endanger

C)

rare

D)

extinct

View Answer
163) A localised inflammatory response appears at the site of infection causes redness, swelling, pain and heat due to certain chemical, they are

A)

histamine and prostaglandins

B)

cerumen and mucus

C)

histamine and cerumen

D)

prostaglandins and cerumen

View Answer
164) Non - keratinised stratified epithelium occurs in

A)

vagina, cervix and buccal cavity

B)

vagina, cervix, buccal cavity and anus

C)

vagina and cervix

D)

buccal cavity and anus

View Answer
165) Saccus entericus is secreted by

A)

crypts of Leiberkuhn

B)

Brunners gland

C)

both [a] and [b]

D)

none of the above

View Answer
166) Synthesis of food in \[{{C}_{4}}\]pathway occurs in chlorophyll of

A)

guard cells

B)

bundle sheath

C)

spongy mesophyll

D)

palisade cells

View Answer
167) The sequence of structural gene in lac operon concept is

A)

lac A, lac Y, lac Z

B)

lac A, lac Z, lac Y

C)

lac Y, lac Z, lac A

D)

lac Z, lac Y, lac A

View Answer
168) Pericarp and placentae are edible part of simple fleshy berry fruit

A)

jack fruit

B)

banana

C)

tomato

D)

date palm

View Answer
169) In the diagram, which of the following processes are shown in Amoeba?

A)

Exocytosis

B)

Phagocyiosis

C)

Pinocytosis

D)

All of the above

View Answer
170) An essential element is that which

A)

improve health of the plant

B)

is irreplaceable and, indispensable for growth of plants

C)

is found in plant ash

D)

is available in the soil

View Answer
171) Residual volume is

A)

lesser than tidal volume

B)

greater than inspiratory volume

C)

greater than vital capacity

D)

greater than tidal volume

View Answer
172) Find the odd example

A)

sea lily

B)

sea fan

C)

sea cucumber

D)

sea urchin

View Answer
173) Which one is correct?

A)

Blood = plasma + RBC + WBC + blood platelets

B)

Plasma = blood - lymphocytes

C)

Neuron = cyton + dendrite + axon + synapse

D)

Lymph = plasma + RBC + WBC

View Answer
174) In the given diagram name the parts A, B, C, D and E

A)

A - germ pore, B-generative cell, C - intine, D -exine, E - vegetative cell

B)

A - germ pore, B - generative cell, C - exine, D -intine, E - vegetative cell

C)

A - intine, B - exine, C - germ pore, D -generative cell, E - vegetative cell

D)

A - exine, B - intine, C - vegetative cell, D -germ pore, E - generative cell

View Answer
175) The largest RBCs have been seen in

A)

elephant

B)

whale

C)

amphibia

D)

man

View Answer
176) Nucleic acid occurs in

A)

golgi body

B)

lysosmoes

C)

cytoplasm

D)

mitochondria and chloroplast

View Answer
177) The number of mitotic cell division required to produce 256 cells from single cell would be

A)

10

B)

12

C)

6

D)

8

View Answer
178) The central dogma of protein synthesis in teminious is

A)

g-RNA \[\to \]DNA \[\to \]m - RNA \[\to \] Protein

B)

DNA \[\to \] g-RNA \[\to \] m - RNA \[\to \] Protein

C)

DNA \[\to \] DNA \[\to \] m - RNA \[\to \] Protein

D)

m - RNA \[\to \] g - RNA \[\to \] DNA \[\to \] Protein

View Answer
179) In tissue culture roots can be induced by

A)

lower concentration of cytokinin and higher concentration of auxins

B)

only cytokinin and no auxins

C)

no cytokinin and only auxins

D)

higher concentration of cytokinin and lower concentration of auxins

View Answer
180)

A)

A - oviduct, B - uterus, C - outduct, D - ovary

B)

A - cervix, B - uterus, C - ovary, D - tumor

C)

A - uterus, B - uterine cavity, C - oviducal funnel, D - ovary

D)

A - cervix, B - uterine cavity, C - fallopian tube, D - ovary

View Answer

Study Package

Buy Now

Solved papers for CET Karnataka Medical CET - Karnataka Medical Solved Paper-2007

done CET - Karnataka Medical Solved Paper-2007 Total Questions - 180

Study Package

CET - Karnataka Medical Solved Paper-2007 Total Questions - 180