Solved papers for J & K CET Medical J & K - CET Medical Solved Paper-2007

J & K - CET Medical Solved Paper-2007 Total Questions - 220

1) The only mechanical quantity which has negative dimension of mass is

A)

angular momentum

B)

torque

C)

coefficient of thermal conductivity

D)

gravitational constant

View Answer
2) Two vectors are given by \[\vec{A}=3\hat{i}+\hat{j}+3\hat{k}\]and \[\vec{B}=3\hat{i}+5\hat{j}-2\hat{k}\]Find the third vector \[\hat{C}\] if \[\vec{A}+3\vec{B}-\vec{C}=\vec{O}\]

A)

\[12\vec{i}+14\hat{j}+12\hat{k}\]

B)

\[13\hat{i}+17\hat{j}+12\hat{k}\]

C)

\[12\hat{i}+16\hat{j}-3\hat{k}\]

D)

\[15\hat{i}+13\hat{j}+4\hat{k}\]

View Answer
3) A particle moves from position \[3\hat{i}+2\hat{j}+6\hat{k}\]to \[14\hat{i}+13\hat{j}+9\hat{k}\]due to a uniform force of \[4\hat{i}+\hat{j}+3\hat{k}\] N. Find the work done, if the displacement is in metre.

A)

16 J

B)

64 J

C)

32 J

D)

48 J

View Answer
4) The coordinates of a moving particle at any time t are given by \[x=\alpha {{t}^{3}}\] and \[y=\beta {{t}^{3}}\]. The speed of the particle at time t is given by

A)

\[3t\sqrt{{{\alpha }^{2}}+{{\beta }^{2}}}\]

B)

\[3{{t}^{2}}\sqrt{{{\alpha }^{2}}+{{\beta }^{2}}}\]

C)

\[{{t}^{2}}\sqrt{{{\alpha }^{2}}+{{\beta }^{2}}}\]

D)

\[\sqrt{{{\alpha }^{2}}+{{\beta }^{2}}}\]

View Answer
5) A body is moving with uniform acceleration covers 200 m in the first 2 s and 220 m in the next 4 s. Find the velocity in m/s after 7 s.

A)

10

B)

15

C)

20

D)

30

View Answer
6) From the top of a tower a body A is projected vertically up, another body B is horizontally thrown and a third body C is thrown vertically down with same velocity. Then

A)

B strikes the ground with more velocity

B)

C strikes the ground with less velocity

C)

A, B, C strike the ground with same velocity

D)

A and C strike the ground with more velocity than B

View Answer
7) A body is released from a great height falls freely towards the earth. Another body is released from the same height exactly a second latter. Then the separation between two bodies, 2 s after the release of the second body is, nearly

A)

15 m

B)

20 m

C)

25 m

D)

30 m

View Answer
8) A body of mass 10 kg is acted upon by two forces each of magnitude 10N making an angle of 60° with each other. Find the net acceleration of the body.

A)

\[2\sqrt{3}m/{{s}^{2}}\]

B)

\[\sqrt{3}m/{{s}^{2}}\]

C)

\[3\sqrt{3}m/{{s}^{2}}\]

D)

\[4\sqrt{3}m/{{s}^{2}}\]

View Answer
9) A body of mass \[{{m}_{1}}\] collides elastically with another body of mass \[{{m}_{2}}\] at rest. If the velocity of \[{{m}_{1}}\] after collision becomes 2/3 times its initial velocity, the ratio of their masses, is

A)

1 : 5

B)

5 : 1

C)

5 : 2

D)

2 : 5

View Answer
10) With increase of temperature, the frictional force acting between two surfaces

A)

increases

B)

remains the same

C)

decreases

D)

becomes zero

View Answer
11) The motion of the centre of mass is the result of

A)

internal forces

B)

external forces

C)

attractive forces

D)

repulsive forces

View Answer
12) A stationary bomb explodes into two parts of masses in the ratio of 1 : 3. If the heavier mass moves with a velocity 4 m/s, what is the velocity of lighter part?

A)

\[12\text{ }m{{s}^{-1}}\]opposite to heavier mass

B)

\[12\text{ }m{{s}^{-1}}\] in the direction of heavier mass

C)

\[6\text{ }m{{s}^{-1}}\]opposite to heavier mass

D)

\[6\text{ }m{{s}^{-1}}\]in the direction of heavier mass

View Answer
13) A body is tied to one end of the string and whirled in a vertical circle, the physical quantity which remains constant is

A)

momentum

B)

speed

C)

kinetic energy

D)

total energy

View Answer
14) A thin metal disc of radius of 0.25 m and mass 2 kg starts from rest and rolls down on an inclined plane. If its rotational kinetic energy is 4 J at the foot of inclined plane, then the linear velocity at the same point, is in m/s

A)

2

B)

\[2\sqrt{2}\]

C)

\[2\sqrt{3}\]

D)

\[3\sqrt{2}\]

View Answer
15) A stone tied to one end of rope and rotated in a circular motion. If the string suddenly breaks, then the stone travels

A)

in perpendicular direction

B)

in direction of centrifugal force

C)

towards centripetal force

D)

in tangential direction

View Answer
16) The escape velocity of a body from the earth is Ve. If the radius of earth contracts to \[\frac{1}{4}\] th of its value, keeping the mass of the earth constant, the escape velocity will be

A)

doubled

B)

halved

C)

tripled

D)

unaltered

View Answer
17) The radius of the earth is R. The height of a point vertically above the earths surface at which acceleration due to gravity becomes 1% of its value at the surface is

A)

8R

B)

9R

C)

10R

D)

20R

View Answer
18) A heavy uniform rod is hanging vertically from a fixed support. It is stretched by its own weight. The diameter of the rod is

A)

smallest at the top and gradually increases down the rod

B)

largest at the top and gradually decreases down the rod

C)

uniform everywhere

D)

maximum in the middle

View Answer
19) A particular force (F) applied on a wire increases its length by \[2\times {{10}^{-3}}m.\]To increase the wires length by \[4\times {{10}^{-3}}\] m the applied force will be

A)

4F

B)

3F

C)

2F

D)

F

View Answer
20) The meniscus of mercury in a capillary glass tube, is

A)

concave

B)

plane

C)

cylindrical

D)

convex

View Answer
21) Two liquid drops have diameters of 1 cm and 1.5 cm. The ratio of excess of pressures inside them is

A)

1 : 1

B)

5 : 3

C)

2 : 3

D)

3 : 2

View Answer
22) Temperature remaining constant, the pressure of gas is decreased by 20%. The percentage change in volume

A)

increases by 20%

B)

decreases by 20%

C)

increases by 25%

D)

decreases by 25%

View Answer
23) Work done in converting one gram of ice at \[-10{}^\circ C\] into steam at \[100{}^\circ C\] is

A)

3045 J

B)

6056 J

C)

721 J

D)

616 J

View Answer
24) The temperature of the system decreases in the process of

A)

free expansion

B)

adiabatic expansion

C)

isothermal expansion

D)

isothermal compression

View Answer
25) The temperature at which a black body ceases to radiate energy, is

A)

0K

B)

273 K

C)

30 K

D)

100 K

View Answer
26) A particle executes SHM with a period of 8 s and amplitude 4 cm. Its maximum speed in cm/s, is

A)

\[\pi \]

B)

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

C)

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

D)

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

View Answer
27) The displacement of a particle of mass 3 g executing simple harmonic motion is given by y = 3 sin (0.20 in SI units. The KE of the particle at a point which is at a distance equal to 1/3 of its amplitude from its mean position is

A)

\[12\times {{10}^{-3}}J\]

B)

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

C)

\[0.48\times {{10}^{-3}}J\]

D)

\[0.24\times {{10}^{-3}}J\]

View Answer
28) A uniform spring of force constant k is cut into two pieces whose lengths are in the ratio of 1:2. What is the force constant of second piece in terms of k?

A)

\[\frac{k}{2}\]

B)

\[\frac{2k}{2}\]

C)

\[\frac{3k}{2}\]

D)

\[\frac{4k}{2}\]

View Answer
29) A girl swings on cradle in a sitting position. If she stands what happens to the time period of girl and cradle?

A)

Time period decreases

B)

Time period increases

C)

Remains constant

D)

First increases and then remains constant

View Answer
30) The intensity ratio of two waves is 1 : 9. The ratio of their amplitudes, is

A)

3 : 1

B)

1 : 3

C)

1 : 9

D)

9 : 1

View Answer
31) The speed of sound waves in a gas

A)

does not depend upon density of the gas

B)

does not depend upon changes in pressure

C)

does not depend upon temperature

D)

depends upon density of the gas

View Answer
32) A segment of wire vibrates with fundamental frequency of 450 Hz under a tension of 9 kg-wt. Then tension at which the fundamental frequency of the same wire becomes 900 Hz is

A)

36 kg-wt

B)

27 kg-wt

C)

18 kg-wt

D)

72 kg-wt

View Answer
33) Sound waves in air cannot be polarized because

A)

their speed is small

B)

they require medium

C)

these are longitudinal

D)

their speed is temperature dependent

View Answer
34) Electric potential at the centre of a charged hollow metal sphere is

A)

zero

B)

twice as that on the surface

C)

half of that on the surface

D)

same as that on the surface

View Answer
35) Three charges \[1\mu C,\,1\mu C\]and \[2\mu C\] are kept at vertices of A, B and C of an equilateral triangle ABC of 10 cm side respectively. The resultant force on the charge at C is

A)

0.9 N

B)

1.8 N

C)

2.72 N

D)

3.12 N

View Answer
36) A dielectric of dielectric constant K is introduced such that half of its area of a capacitor of capacity C is occupied by it. The new capacity is

A)

2 C

B)

C/2

C)

(1 +k) C/2

D)

2C (1 + k)

View Answer
37) The value equal to the velocity of light in vacuum is

A)

\[\frac{\sqrt{{{\mu }_{0}}}}{{{\varepsilon }_{0}}}\]

B)

\[\frac{1}{\sqrt{{{\mu }_{0}}{{\varepsilon }_{0}}}}\]

C)

\[\sqrt{{{\mu }_{0}}{{\varepsilon }_{0}}}\]

D)

\[\sqrt{\frac{{{\mu }_{0}}}{{{\varepsilon }_{0}}}}\]

View Answer
38) Two unlike charges of the same magnitude Q are placed at a distance d. The intensity of the electric field at the middle point in the line joining the two charges

A)

zero

B)

\[\frac{8Q}{4\pi {{\varepsilon }_{0}}{{d}^{2}}}\]

C)

\[\frac{6Q}{4\pi {{\varepsilon }_{0}}{{d}^{2}}}\]

D)

\[\frac{4Q}{4\pi {{\varepsilon }_{0}}{{d}^{2}}}\]

View Answer
39) In a meter bridge experiment, the ratio of the left gap resistance to right gap resistance is 2 : 3, the balance point from left is

A)

60 cm

B)

50 cm

C)

40 cm

D)

20 cm

View Answer
40) The physical quantity in electrostatics analogous to temperature in heat is

A)

heat energy

B)

capacity

C)

resistance

D)

potential

View Answer
41) If the electric current through an electric bulb is 3.2 A, the number of electrons flow through it in one second is

A)

\[2\times {{10}^{9}}\]

B)

\[2\times {{10}^{19}}\]

C)

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

D)

\[1.6\times {{10}^{18}}\]

View Answer
42) A wire P has a resistance of 20 \[\Omega \] Another wire Q of same material but length twice that of P has resistance of 8 \[\Omega \] If r is the radius of cross-section of P, the radius of cross-section of Q is

A)

r

B)

\[\frac{r}{\sqrt{2}}\]

C)

\[\sqrt{5}\,\,r\]

D)

2r

View Answer
43) When a metal conductor connected to the left gap of a meter bridge is heated, the balancing point

A)

shifts towards right

B)

shifts towards left

C)

remains unchanged

D)

remains at zero

View Answer
44) The thermocouple among the following that can produce maximum thermo emf for the same temperature difference between the junction is

A)

Fe-Cu

B)

Ag-Au

C)

Sb-Bi

D)

Cu-Pb

View Answer
45) A bar magnet of magnetic moment M and moment of inertia I is freely suspended such that the magnetic axial line is in the direction of magnetic meridian. If the magnet is displaced by a very small angle \[\theta \], angular acceleration is (magnetic induction of earths horizontal field\[={{B}_{H}}\])

A)

\[\frac{M{{B}_{H}}\theta }{1}\]

B)

\[\frac{I{{B}_{H}}\theta }{M}\]

C)

\[\frac{M\theta }{I{{B}_{H}}}\]

D)

\[\frac{I\theta }{M{{B}_{H}}}\]

View Answer
46) A long magnet is cut into two equal parts, such that the length of each half is same as that of original magnet. If the period of original magnet is T, the period of new magnet is

A)

T

B)

\[\frac{T}{2}\]

C)

\[\frac{T}{4}\]

D)

2T

View Answer
47) The time period of a freely suspended bar magnet in a field is 2 s. It is cut into two equal parts along its axis, then the time period is

A)

4 s

B)

0.5 s

C)

2 s

D)

0.25 s

View Answer
48) The angle between magnetic meridian and geographical meridian is known as

A)

magnetic dip

B)

magnetic latitude

C)

magnetic declination

D)

magnetic longitude

View Answer
49) The net magnetic flux through any closed surface, kept in a magnetic field is

A)

zero

B)

\[\frac{{{\mu }_{0}}}{4\pi }\]

C)

\[4\pi {{\mu }_{0}}\]

D)

\[\frac{4{{\mu }_{0}}}{\pi }\]

View Answer
50) A paramagnetic liquid is taken in a U-tube and arranged so that one of its limbs is kept between pole pieces of the magnet. The liquid level in the limb

A)

goes down

B)

rises up

C)

remains same

D)

first goes down and then rises

View Answer
51) Two wires A and B are of lengths 40 cm and 30 cm. A is bent into a circle of radius r and B into an arc of radius r. A current \[{{i}_{1}}\]is passed through A and \[{{i}_{2}}\]through B. To have the same magnetic inductions at the centre, the ratio of \[{{i}_{1}}:\text{ }{{i}_{2}}\]is

A)

3 : 4

B)

3 : 5

C)

2 : 3

D)

4 : 3

View Answer
52) An electron and proton having same kinetic energy enter into magnetic field perpendicular to it. Then

A)

the path of electron is less curved

B)

the path of proton is less curved

C)

both have equal curved paths

D)

both have straight line paths

View Answer
53) Two free parallel wires carrying currents in the opposite directions

A)

attract each other

B)

repel each other

C)

do not effect each other

D)

get rotated to be perpendicular to each other

View Answer
54) A circular coil of diameter 21 cm is placed in a magnetic field of induction \[{{10}^{-4}}T.\] The magnitude of flux linked with coil when the plane of coil makes an angle 30° with the field is

A)

\[1.44\times {{10}^{-6}}Wb\]

B)

\[1.732\times {{10}^{-6}}Wb\]

C)

\[3.1\times l{{0}^{-6}}Wb\]

D)

\[4.2\times {{10}^{-6}}Wb\]

View Answer
55) The cladding material of optical fibre has refractive index

A)

greater than that of core

B)

infinity

C)

equal to that of core

D)

less than that of core

View Answer
56) Red colour is used for danger signals because

A)

it causes fear

B)

it undergoes least scattering

C)

it undergoes maximum scattering

D)

it is in accordance with international convention

View Answer
57) The least angle of deviation for a glass prism is equal to its refracting angle. The refractive index of glass is 1.5. Then the angle of prism is

A)

\[2{{\cos }^{-1}}\left( \frac{3}{4} \right)\]

B)

\[{{\sin }^{-1}}\left( \frac{3}{4} \right)\]

C)

\[2{{\sin }^{-1}}\left( \frac{3}{2} \right)\]

D)

\[{{\cos }^{-1}}\left( \frac{3}{2} \right)\]

View Answer
58) In a spectrometer experiment the prisms A B, C with same angle but different refractive index \[{{\mu }_{A}}\]= 1.33, \[{{\mu }_{B}}\]= 1.5, \[{{\mu }_{C}}\]= 1.44 are used. The corresponding angles of minimum deviation \[{{D}_{A}},\text{ }{{D}_{B}},\text{ }{{D}_{C}}\]measured will be such that

A)

\[{{D}_{A}}>\text{ }{{D}_{B}}>\text{ }{{D}_{c}}\]

B)

\[{{D}_{A}}<\text{ }{{D}_{B}}<\text{ }{{D}_{c}}\]

C)

\[{{D}_{A}}<\text{ }{{D}_{c}}<\text{ }{{D}_{B}}\]

D)

\[{{D}_{A}}>\text{ }{{D}_{c}}>\text{ }{{D}_{B}}\]

View Answer
59) Youngs double slit experiment arrangement is shifted from air to water medium, the fringe width

A)

increases

B)

decreases

C)

becomes infinite

D)

remains the same

View Answer
60) On introducing a thin film in the path of one of the two interfering beams, the central fringe will shift by one fringe width. If\[\mu \] = 1.5, the thickness of the film is (wavelength of monochromatic light is \[\lambda \])

A)

4\[\lambda \]

B)

3\[\lambda \]

C)

2\[\lambda \]

D)

\[\lambda \]

View Answer
61) The critical angle of the medium with respect to vacuum is 30°. If the velocity of light in vacuum is \[3\times {{10}^{-8}}m{{s}^{-1}},\] the velocity of light in medium is

A)

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

B)

\[1.5\times {{10}^{8}}m{{s}^{-1}}\]

C)

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

D)

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

View Answer
62) The distance between the first dark and bright band formed in Youngs double slit experiment with band width B is

A)

\[\frac{B}{4}\]

B)

B

C)

\[\frac{B}{2}\]

D)

\[\frac{3B}{2}\]

View Answer
63) The important conclusion given by Millikans experiment about the charge is

A)

charge is never quantized

B)

charge has no definite value

C)

charge is quantized

D)

charge on oil drop always increases

View Answer
64) An electron is accelerated through a potential difference of V volts. The speed of electrons will be

A)

\[\sqrt{\frac{eV}{m}}\]

B)

\[\sqrt{\frac{2eV}{m}}\]

C)

\[\sqrt{\frac{eV}{2m}}\]

D)

\[\sqrt{\frac{m}{2eV}}\]

View Answer
65) How many photons are emitted by a laser source of \[5\times {{10}^{-3}}W\]operating at 632.2 nm in 2s?

A)

\[3.2\times {{10}^{16}}\]

B)

\[1.6\times {{10}^{16}}\]

C)

\[4\times {{10}^{16}}\]

D)

None of these

View Answer
66) If a is radius of first Bohr orbit in hydrogen atom, the radius of the third orbit is

A)

3a

B)

9a

C)

27a

D)

81a

View Answer
67) Nuclear fission can be explained based on

A)

Millikans oil drop method

B)

Liquid drop model

C)

Shell model

D)

Bohrs model

View Answer
68) The radius of a nucleus with atomic mass number 7 is 2 Fermi. Find the radius of nucleus with atomic number 189.

A)

3 Fermi

B)

4 Fermi

C)

5 Fermi

D)

6 Fermi

View Answer
69) As mass number increases, surface area

A)

decreases

B)

increases

C)

remains the same

D)

remains the same and increases

View Answer
70) All nucleons in an atom are held by

A)

nuclear forces

B)

van der Waals forces

C)

tensor forces

D)

Coloumb forces

View Answer
71) The presence of electric charge on colloidal particles is indicated by the property, called

A)

dialysis

B)

solubility

C)

electrophoresis

D)

osmosis

View Answer
72) The protective action of different lyophilic colloids is expressed in terms of

A)

oxidation number

B)

atomic number

C)

Avogadro number

D)

gold number

View Answer
73) The group of elements in which the differentiating    electron    enters    the anti penultimate shell of atoms are called

A)

\[f-\]block elements

B)

p-block elements

C)

\[s-\]block elements

D)

d-block elements

View Answer
74) Lanthanides and actinides are also called as

A)

short periods

B)

inner-transition elements

C)

long periods

D)

main transition elements

View Answer
75) The geometrical shape of\[s{{p}^{3}}d\]hybridisation is

A)

linear

B)

trigonal bipyramid

C)

square planar

D)

tetrahedral

View Answer
76) Inter-molecular hydrogen bonding exists in

A)

o-nitrophenol

B)

o-chlorophenol

C)

water

D)

ammonium chloride

View Answer
77) Which one of the following examples exhibit transient existence?

A)

H

B)

\[H_{2}^{+}\]

C)

\[{{H}^{+}}\]

D)

\[He\]

View Answer
78) The number of covalent bonds in fluorine molecule is

A)

2

B)

3

C)

1

D)

5

View Answer
79) Carbon shows the following oxidation state in its hydrides

A)

+1

B)

+4

C)

+2

D)

+3

View Answer
80) The following is not an example of oxyacids of sulphur

A)

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

B)

\[{{H}_{2}}S{{P}_{3}}\]

C)

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

D)

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

View Answer
81) Calcium sulphate is sparingly soluble in

A)

water

B)

alcohol

C)

acetic acid

D)

benzene

View Answer
82) The bleaching action of chlorine is due to the liberation of the following

A)

\[HOCl\]

B)

\[HCl\]

C)

\[[O]\]

D)

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

View Answer
83) The colour of transition metal ions is due to the presence of unpaired electron transitions in available empty electron in

A)

d-orbitals

B)

p-orbitals

C)

s-orbitals

D)

s and p-orbitals

View Answer
84) The oxidation state of Cr in chromium trioxide is

A)

+3

B)

+4

C)

+5

D)

+6

View Answer
85) Monel metal is an alloy of

A)

\[Cu,\text{ }Ni,\text{ }Fe,\text{ }Mn\]

B)

\[Cu,\text{ }Sn,\text{ }Zn\]

C)

\[Cu,Sn,P\]

D)

\[Cu,Zn\]

View Answer
86) The catalyst used in the manufacture of \[{{H}_{2}}S{{O}_{4}}\]by contact process is

A)

\[{{V}_{2}}{{O}_{3}}\]

B)

\[{{V}_{2}}{{O}_{5}}\]

C)

\[FeO\]

D)

\[Cu\]

View Answer
87) The tetrahedral complexes have coordination number

A)

3

B)

6

C)

4

D)

8

View Answer
88) Potassium ferrocyanide is an example of

A)

tetrahedral

B)

octahedral

C)

square planar

D)

linear

View Answer
89) Which one amongst the following, exhibit geometrical isomerism?

A)

\[[C{{o}^{III}}{{(N{{H}_{3}})}_{5}}Br]S{{O}_{4}}\]

B)

\[C{{o}^{III}}{{[EDTA]}^{1-}}\]

C)

\[{{[C{{r}^{III}}{{(SCN)}_{6}}]}^{3-}}\]

D)

\[[P{{t}^{II}}{{(N{{H}_{3}})}_{2}}C{{l}_{2}}]\]

View Answer
90) Benzoylacetonato beryllium exhibit isomerism of the type

A)

structural

B)

geometrical

C)

optical

D)

conformational

View Answer
91) The composition of malachite is

A)

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

B)

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

C)

\[CuC{{O}_{3}}.Cu{{(OH)}_{2}}\]

D)

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

View Answer
92) Which one of the following metals, is extracted on smelting of its ore in blast furnace?

A)

Iron

B)

Sodium

C)

Potassium

D)

Magnesium

View Answer
93) Prussian blue is obtained by mixing together aqueous solution of\[F{{e}^{3+}}\]salt with

A)

ferricyanide

B)

ferrocyanide

C)

hydrogen cyanide

D)

sodium cyanide

View Answer
94) The reaction intermediate produced, by homolydc cleavage of a bond is called

A)

carbene

B)

carbocation

C)

carbanion

D)

free radical

View Answer
95) The formation of cyanohydrin from a ketone is an example of

A)

electrophilic addition

B)

nucleophilic substitution

C)

nucleophilic addition

D)

electrophilic substitution

View Answer
96) According to Huckels rule an aromatic compound must possess

A)

\[(4n+1)\pi \]electrons

B)

\[(4n+2)\pi \]electrons

C)

\[4n\,\pi \]electrons

D)

\[(4n+3)\pi \]electrons

View Answer
97) Identify the substitute group, that acts as ortho-para director, during electrophilic substitution in aromatic compounds.

A)

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

B)

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

C)

\[S{{O}_{3}}H\]

D)

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

View Answer
98) In a group of isomeric alkyl halides, the order of boiling points is

A)

primary < secondary < tertiary

B)

primary > secondary < tertiary

C)

primary < secondary > tertiary

D)

primary > secondary > tertiary

View Answer
99) On reacting with neutral ferric chloride, phenol gives

A)

red colour

B)

blue colour

C)

violet colour

D)

green colour

View Answer
100) The hybridisation of the ipso-carbon in chlorobenzene is

A)

5p hybridised

B)

\[s{{p}^{2}}\]hybridized

C)

\[s{{p}^{2}}d\]hybridised

D)

\[s{{p}^{3}}\]hybridized

View Answer
101) Which one of the following alcohol, is used as an antifreeze reagent for making explosives?

A)

Glycerol

B)

Glycol

C)

Ethanol

D)

Phenol

View Answer
102) n-pentane, 1so-pentane, and neo-pentane are examples for, isomers of the type

A)

geometrical

B)

optical

C)

chain

D)

positional

View Answer
103) One of the following compounds exhibit geometrical isomerism

A)

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

B)

\[C{{H}_{3}}-HC(C{{H}_{3}})-H(C)C{{H}_{3}}-C{{H}_{3}}\]

C)

\[C{{H}_{3}}-HC(C{{H}_{3}})-C{{H}_{3}}\]

D)

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

View Answer
104) Different structures generated due to rotation about,\[CC\]axis, of an organic molecule, are examples of

A)

geometrical isomerism

B)

conformational isomerism

C)

optical isomerism

D)

structural isomerism

View Answer
105) The number of isomeric halopropanes produced, when propane gets halogenated, is

A)

1

B)

2

C)

\[{{4}^{o}}\]

D)

3

View Answer
106) The acid strength obeys the order. Arrange the following carboxylic acids in the decreasing order of their reactivities (1)\[C{{H}_{3}}COOH\]                  (2)\[ClC{{H}_{2}}COOH\] (3)\[{{C}_{12}}CHCOOH\]             (4) \[C{{l}_{3}}CCOOH\]

A)

\[2>4>1>3\]

B)

\[2>1>3>4\]

C)

\[1>2>3>4\]

D)

\[1<2<3<4\]

View Answer
107) Monocarboxylic acids react with alcohols in the presence of an acid catalyst to form

A)

acid chlorides

B)

acid amides

C)

esters

D)

ethers

View Answer
108) On reaction with hydroxylamine, aldehydes produce

A)

ketoxime

B)

hydrazine

C)

semicarbazone

D)

aldoxime

View Answer
109) Amides are formed by the reaction of acid chloride with

A)

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

B)

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

C)

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

D)

\[{{C}_{6}}{{H}_{5}}NHN{{H}_{2}}\]

View Answer
110) Which one of the following, is more acidic?

A)

B)

C)

D)

View Answer
111) Aliphatic nitriles are prepared by the treatment of alkyl halides with

A)

sodium cyanide

B)

sodium isocyanide

C)

sodium isocyanate

D)

cyanamide

View Answer
112) Among the following compounds, the most basic is

A)

aniline

B)

acetanilide

C)

p-nitroaniline

D)

benzylamine

View Answer
113) Reduction of alkyl nitriles, produces

A)

secondary amine

B)

primary amine

C)

tertiary amine

D)

amide

View Answer
114) Polypeptides having, molecular weights, above 10,000 are known as

A)

amino acids

B)

harmones

C)

proteins

D)

terminal amino acids

View Answer
115) Which one of the following, is an example of a non-reducing sugar?

A)

Sucrose

B)

Lactose

C)

Maltose

D)

Cellobiose

View Answer
116) The value of Rydberg constant is

A)

\[10,9678\,c{{m}^{-1}}\]

B)

\[10,9876\,c{{m}^{-1}}\]

C)

\[10,8769\,c{{m}^{-1}}\]

D)

\[10,8976\,c{{m}^{-1}}\]

View Answer
117) The wavelength of a spectral line in Lyman series, when electron jumps back from 2nd orbit, is

A)

\[1162\overset{\text{o}}{\mathop{\text{A}}}\,\]

B)

\[1216\overset{\text{o}}{\mathop{\text{A}}}\,\]

C)

\[1362\overset{\text{o}}{\mathop{\text{A}}}\,\]

D)

\[1176\overset{\text{o}}{\mathop{\text{A}}}\,\]

View Answer
118) The number of electrons accommodated in an orbit with principal quantum number 2, is

A)

2

B)

6

C)

10

D)

8

View Answer
119) Uranium with a mass number 237 and atomic number 92, changes to a nucleus with atomic number 90 and mass number 233 on emission of

A)

\[\beta -\]particle

B)

\[\gamma -\]particle

C)

\[\alpha -\]particle

D)

positron

View Answer
120) The only, most stable nucleus formed by bombarding, either\[_{13}A{{l}^{27}}\]by neutrons, or\[_{11}N{{a}^{23}}\]by deuterons, is

A)

\[_{15}{{P}^{30}}\]

B)

\[_{14}S{{i}^{30}}\]

C)

\[_{12}M{{g}^{24}}\]

D)

\[_{56}B{{a}^{137}}\]

View Answer
121) The stable electronic configuration of chromium is

A)

\[3{{d}^{6}},\text{ }4{{s}^{1}}\]

B)

\[3{{d}^{5}},\text{ }4{{s}^{2}}\]

C)

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

D)

\[3{{d}^{6}},\text{ }4{{s}^{0}}\]

View Answer
122) The half-life of\[R{{a}^{226}}\]is 1620 yr, the decay constant (k) is

A)

0.000452

B)

0.0004278

C)

0.04278

D)

0.004278

View Answer
123) According to Lowry and Bronsted, the strength of an acid depends upon

A)

the tendency to gain electrons

B)

the tendency to loss protons

C)

the tendency to accept protons

D)

the tendency to loss electrons

View Answer
124) By applying law of mass action, the equilibrium constant,     K     for     the     reaction\[HA+{{H}_{2}}O{{H}_{3}}{{O}^{+}}+\overline{A},\]is given as

A)

\[K=\frac{[HA][{{H}_{2}}O]}{[{{H}_{3}}{{O}^{+}}][\overline{A}]}\]

B)

\[K=\frac{[{{H}_{3}}{{O}^{+}}][\overline{A}]}{[HA][{{H}_{2}}O]}\]

C)

\[K=\frac{[{{H}_{3}}{{O}^{+}}][{{H}_{2}}O]}{[\overline{A}][HA]}\]

D)

\[K=\frac{[HA][\overline{A}]}{[{{H}_{2}}O][{{H}_{3}}{{O}^{+}}]}\]

View Answer
125) The ionisation of strong electrolytes in acetic acid, compared to in water, is

A)

weak, low

B)

strong, more

C)

medium, the same

D)

no ionisation, 100%

View Answer
126) Calculate the pH of a solution in which hydrogen ion concentration is 0.005 g-equi/L?

A)

2.3

B)

2.8

C)

2.9

D)

2.6

View Answer
127) Inversion of cane-sugar in dilute acid is a

A)

bimolecular reaction

B)

Pseudo-unimolecular reaction

C)

unimolecular reaction

D)

trimolecular reaction

View Answer
128) The units of the rate constant of a second order reaction are

A)

\[mo{{l}^{-1}}{{L}^{-1}}{{s}^{-1}}\]

B)

\[mo{{l}^{-1}}L\text{ }{{s}^{-1}}\]

C)

\[mo{{l}^{-1}}\text{ }L\text{ }s\]

D)

\[mol\text{ }{{L}^{-1}}{{s}^{-1}}\]

View Answer
129) For the first order reaction half-life is 14 s, the time required for the initial concentration to reduce to 1/8 of its value is

A)

\[{{(14)}^{3}}s\]

B)

28 s

C)

42 s

D)

\[{{(14)}^{2}}\text{ }s\]

View Answer
130) One part of solute in one million parts of solvent is expressed as

A)

ppm

B)

mg/100 cc

C)

g/L

D)

g/100 cc

View Answer
131) The molarity of the solution obtained by dissolving 2.5 g of\[NaCl\]in 100 mL of water is

A)

0.00428 moles

B)

428 moles

C)

0.428 moles

D)

0.0428 moles

View Answer
132) The osmotic pressure is expressed in the units of

A)

MeV

B)

cal

C)

cm/s

D)

atm

View Answer
133) Fractional distillation is a process by which the separation of different fractions from mixture of solution is carried by making use of the following property of the fractions

A)

freezing point

B)

boiling point

C)

melting point

D)

solubility

View Answer
134) The quantity of heat measured for a reaction in a bomb calorimeter is equal to

A)

\[\Delta G\]

B)

\[\Delta H\]

C)

\[p\Delta V\]

D)

\[\Delta E\]

View Answer
135) All naturally occurring process, proceed in a direction, which leads to

A)

increase of enthalpy

B)

increase of free energy

C)

decrease of free energy

D)

decrease of entropy

View Answer
136) Heat of combustion of carbon monoxide at constant volume and at\[{{17}^{o}}C\]is\[-67,710\text{ }cal\]. The heat of combustion at constant pressure is

A)

\[-68,000\text{ }cal\]

B)

\[-67,800\text{ }cal\]

C)

\[-67,050\text{ }cal\]

D)

\[+68,500\text{ }cal\]

View Answer
137) The free energy change\[\Delta G=0\]when

A)

the reactants are completely consumed

B)

a catalyst is added

C)

the system is at equilibrium

D)

the reactants are initially mixed

View Answer
138) The units of equivalent conductance, are

A)

\[ohm\text{ }c{{m}^{2}}\text{ }equivalen{{t}^{-1}}\]

B)

\[ohm\text{ }c{{m}^{2}}\text{ }equivalent\]

C)

\[oh{{m}^{-1}}c{{m}^{2}}equivalen{{t}^{-1}}\]

D)

\[mho\text{ }c{{m}^{2}}\text{ }equivalent\]

View Answer
139) The specific conductance (k) of an electrolyte of 0.1 N concentration is related to equivalent conductance by the following formula

A)

\[\Lambda =k\]

B)

\[\Lambda =10\,k\]

C)

\[\Lambda =100\,k\]

D)

\[\Lambda =10,000\,k\]

View Answer
140) The standard electrode potential of hydrogen electrode at 1 M concentration and hydrogen gas at 1 atm pressure is

A)

1 V

B)

6 V

C)

8 V

D)

0 V

View Answer
141) Pure water does not conduct electricity because it is

A)

basic

B)

almost not ionized

C)

decomposed easily

D)

acidic

View Answer
142) The crystalline structure of\[NaCl\]is

A)

hexagonal close packing

B)

face centred cubic

C)

square planar

D)

body centred cubic

View Answer
143) Which one, among the following, is the van der Waals equation, describing the behaviour of one mole of a real gas over wide ranges of temperature and pressure?

A)

\[\left( p+\frac{a}{{{V}^{2}}} \right)(V-b)=RT\]

B)

\[\left( p-\frac{a}{{{V}^{2}}} \right)(V-b)=RT\]

C)

\[\left( p+\frac{a}{{{V}^{2}}} \right)(V-b)=\frac{R}{T}\]

D)

\[\left( p+\frac{a}{{{V}^{2}}} \right)(V+b)=RT\]

View Answer
144) The following is a method to determine the surface tension of liquids

A)

single capillary method

B)

refract metric method

C)

polarimetric method

D)

boiling point method

View Answer
145) The colloidal system of a solid dispersed in liquid medium, is called

A)

aerosol

B)

sol

C)

gel

D)

foam

View Answer
146) Tricarpellary syncarpous superior ovary is seen in

A)

Allium

B)

Oenothera

C)

Solanum

D)

Dolichus

View Answer
147) The edible part in hesperidium fruit is

A)

                pericarp

B)

                mesocarp

C)

                juicy hair

D)

                endocarp

View Answer
148) Commercial banana (Musa paradisica) is a

A)

                haploid

B)

                diploid

C)

                triploid

D)

                tetraploid

View Answer
149) A technique which involves deliberate manipulation of genes within or between species

A)

                Gene therapy

B)

                Hybridoma technology

C)

                Tissue culture

D)

                Genetic engineering

View Answer
150) Genomic DNA library means

A)

                a collection of literature about DNA

B)

                a collection of organisms for extracting DNA

C)

                packing of donor DNA in a collection of vectors

D)

                a collection of gene vectors

View Answer
151) Para rubber is obtained from the latex of

A)

                Ficus elastic

B)

                Hevea brasiliensis

C)

                Carica papaya

D)

                Musa paradisica

View Answer
152) A good example for organic fertilizer which improves phosphorus uptake is

A)

                AM fungi

B)

                Rhizobium

C)

                Azospirillum

D)

                None of these

View Answer
153) In a monohybrid cross involving incomplete dominance the phenotypic ratio equals the genotypic ratio in \[{{F}_{2}}\] generation. The ratio is

A)

                3 : 1

B)

                1 : 2 : 1

C)

                1 : 1 : 1 : 1

D)

                9 : 7

View Answer
154) The organism chosen by Mendel to explain the laws of inheritance is

A)

                Drosophila melanogaster

B)

                Antirrhinum majus

C)

                Pisum sativum

D)

                Homo sapiens

View Answer
155) When different alleles of the same gene are present in an individual, the individual is a

A)

                heterozygous

B)

                diploid

C)

                homozygous

D)

                mosaic

View Answer
156) One of the key factors, which makes the plasmid the vector in genetic engineering is

A)

                it is resistant to antibiotics

B)

                it is resistant to restriction enzymes

C)

                its ability to carry a foreign gene

D)

                its ability to cause infection in the host

View Answer
157) The nucleoprotein structures that occur at the ends of the chromosome are

A)

                centrosomes

B)

                telomeres

C)

                centromeres

D)

                satellites

View Answer
158) During the replication of DNA, the synthesis of DNA on lagging strand takes place in segments. These segments are called

A)

                double helix segments

B)

                satellite segments

C)

                Komberg segments

D)

                Okazaki segments

View Answer
159) The codon AUG is

A)

                ochre

B)

                amber

C)

                initiation codon

D)

                termination codon

View Answer
160) RNA polymerase contains multiple polypeptide units. For initiating RNA synthesis it requires

A)

                \[\sigma \]-subunit

B)

                \[\beta \]-subunit

C)

                \[\text{ }\!\!\rho\!\!\text{ -}\]factor

D)

                spliceosome

View Answer
161) In multicellular organisms the 70S ribosomes a. jund in the following parts of the cells

A)

                lysosomes

B)

                mitochondria

C)

                nucleus

D)

                endoplasmic reticulum

View Answer
162) The cavities of alveoli of lungs are lined by

A)

                cuboidal epithelium

B)

                columnar epithelium

C)

                stratified cuboidal epithelium

D)

                squamous epithelium

View Answer
163) The deficiency of a vitamin which causes keratomalacia is

A)

                vitamin-K

B)

                vitamin-D

C)

                vitamin-A

D)

                vitamin-E

View Answer
164) The condition in which the potassium levels are increased is known as

A)

                hypercholesteremia

B)

                hyperkalemia

C)

                osteomalacia

D)

                hyperexcitability

View Answer
165) Hambergers phenomenon explains

A)

                formation of \[HC{{O}_{3}}\]

B)

                chloride shift

C)

                oxygen saturation of haemoglobin

D)

                breathing mechanism

View Answer
166) Open type of vascular system is predominant in

A)

                fishes

B)

                amphibians

C)

                arthropods

D)

                earthworm

View Answer
167) The hormone which helps in the reabsorption of water in kidney tubules is

A)

                cholecystokinin

B)

                angiotensin

C)

                anti diuretic hormone

D)

                pancreozymin

View Answer
168) The net filtration pressure in the glomerulus of the kidney is

A)

                70 mm Hg

B)

                35 mm Hg

C)

                25 mm Hg

D)

                10 mm Hg

View Answer
169) Prostate gland is a

A)

                digestive gland

B)

                sperm producing gland

C)

                semen secreting accessory gland of male

D)

                hormone producing gland of the ovary

View Answer
170) The hormone testosterone is secreted in testis by

A)

                spermatogonia

B)

                Leydig cells

C)

                Sertoli cells

D)

                epididymis

View Answer
171) The one way or unidirectional transmission of nerve impulse in nerve cells is due to the presence of

A)

                synapses

B)

                myelin sheath

C)

                membrane polarity

D)

                intemeurons

View Answer
172) Which one of the following is the hormone of adrenal medulla?

A)

                Prolactin

B)

                ACTH

C)

                Corticosterone

D)

                Epinephrine

View Answer
173) The cell division that takes place in a zygote is known as

A)

                meiosis

B)

                mitosis

C)

                cleavage

D)

                differentiation

View Answer
174) The excretory cells that are found in Platyhelminthes are

A)

                protonephridia

B)

                flame cells

C)

                solenocytes

D)

                chlorogogen cells

View Answer
175) Wuchereria bancrofti is a common filarial worm. It belongs to phylum

A)

                Platyhelminthes

B)

                Nemathelminthes

C)

                Annelida

D)

                Coelenterata

View Answer
176) Exoskeleton of the following consists of a chitinous cuticle

A)

                Annelida

B)

                Porifera

C)

                Arthropoda

D)

                Echinodermata

View Answer
177) Chitin is a

A)

                lipid

B)

                protein

C)

                polysaccharide

D)

                sphingomyelin

View Answer
178) One of the following has a biradial symmetry

A)

                Paramecium

B)

                jellyfish

C)

                cockroach

D)

                sea anemone

View Answer
179) Which of the following animals has a true coelom?

A)

                Ascaris

B)

                Pheretima

C)

                Sycon

D)

                Taenia solium

View Answer
180) Survival of the fittest is the basic principle of a competition. Its importance in organic evolution was explained by

A)

                Lamarck

B)

                de Vries

C)

                Darwin

D)

                Mendel

View Answer
181) Vestigial organs present in an adult individual are examples of basis of evidences of evolution.

A)

                morphological

B)

                paleontological

C)

                embryological

D)

                anatomical

View Answer
182) The earliest members of Hominids, which evolved more four million year ago belong to

A)

                Homo erectus

B)

                Cro-magnon      man

C)

                Australopithecus

D)

                Neanderthal     man

View Answer
183) An example of reproductive isolation is

A)

                Archeopteryx

B)

                dinosaurs

C)

                mule

D)

                Bonelia

View Answer
184) The theory of random genetic drift was proposed by

A)

                Hardy-Weinberg

B)

                R A Fisher

C)

                Sewall Wright

D)

                May r

View Answer
185) One of the protozoan disease is

A)

                polio

B)

                AIDS

C)

                taeniasis

D)

                malaria

View Answer
186) Insulin deficiency is a causative factor for

A)

                taeniasis

B)

                diabetes

C)

                tuberculosis

D)

                gonorrhea

View Answer
187) The test which is misused for identification of an unborn baby is

A)

                clotting test

B)

                amniocentesis

C)

                erythroblastosis

D)

                angiogram

View Answer
188) One of the following blood group person cannot donate blood to others

A)

                AB blood group

B)

                O blood group

C)

                A blood group

D)

                B blood group

View Answer
189) The possibility of erythroblastosis foetalis occurring during the second pregnancy is when

A)

                the baby is \[R{{h}^{+}}\] and mother \[R{{h}^{-}}\]

B)

                the baby is \[R{{h}^{+}}\]and mother \[R{{h}^{+}}\]

C)

                the baby is \[R{{h}^{-}}\]and mother \[R{{h}^{-}}\]

D)

                the baby is \[R{{h}^{-}}\]and mother \[R{{h}^{+}}\]

View Answer
190) One of the inflammatory reactions induced by histamine is

A)

                vasoconstriction of blood vessels

B)

                vasodilation of peripheral blood vessels

C)

                increased vascular permeability

D)

                accelerated blood clotting

View Answer
191) Movement of cytoplasm around the vacuole in the cell is called as

A)

                circulation

B)

                rotation

C)

                somersault

D)

                regulation

View Answer
192) Soft-rot disease of sweet potato is caused by

A)

                Rhizopus stolonifer

B)

                Rhizopus sexualis

C)

                Chlamydomonas nivalis

D)

                Chlamydomonas coccifera

View Answer
193) In Funaria antheridial branch is called

A)

                male flower

B)

                female head

C)

                male cone

D)

                female cone

View Answer
194) Pollen grains in Pinus are

A)

                monosaccate

B)

                bisaccate

C)

                trisaccate

D)

                nonsaccate

View Answer
195) Pits are formed on the cell wall is due to lack of

A)

                cell plate

B)

                primary wall material

C)

                secondary wall material

D)

                middle lamellum

View Answer
196) Coupling factor F is found in

A)

                stroma

B)

                matrix

C)

                thylakoids

D)

                ribosomes

View Answer
197) The longest chromosome is seen in

A)

                Allium

B)

                Lilium

C)

                Trillium

D)

                Zea mays

View Answer
198) Nucleotide consists of

A)

                phosphate only

B)

                phosphate and sugar only

C)

                phosphate, sugar and nitrogen base

D)

                phosphate and nitrogen base only

View Answer
199) Ribosomes are attached to endoplasmic reticulum through

A)

                ribophorin

B)

                magnesium

C)

                peptidyl transferase

D)

                tRNA

View Answer
200) Root modification means

A)

                permanent internal changes in the roots

B)

                temporary internal changes in the roots

C)

                permanent structural changes in the roots

D)

                temporary structural changes in the roots

View Answer
201) Scaly bulb stem modification is seen in

A)

                Allium

B)

                Lilium

C)

                Scilla

D)

                Ginger

View Answer
202) Tendrils in Passiflora develops from

A)

                apical roots

B)

                apices of roots

C)

                axillary buds

D)

                terminal buds

View Answer
203) The secondary meristem initiates

A)

                basal growth

B)

                transverse growth

C)

                radial growth

D)

                vertical growth

View Answer
204) Lamellar collenchyma is seen in the stem of

A)

                Cucurbita

B)

                Leucas

C)

                Sambucus

D)

                Monstera

View Answer
205) Vessels are absent in this angiosperm

A)

                Mangifera

B)

                Magnolia

C)

                Dillenia

D)

                Drimys

View Answer
206) The epidermal trichomes help in

A)

                transpiration and exchange of gases

B)

                protection from desiccation

C)

                protection and reduction of transpiration

View Answer
207) Alburnum is also called as

A)

                autumn wood

B)

                heart wood

C)

                sap wood

D)

                spring wood

View Answer
208) Periderm is produced from

A)

                cork cambium

B)

                pro-cambium

C)

                secondary cortex

D)

                vascular cambium

View Answer
209) Simple sieve plate with single perforation is found in

A)

                Cucurbita

B)

                Prunus

C)

                Pyrus

D)

                Vitis

View Answer
210) This is a specialized tissue found in the mesophyll of Cycas and Pinus leaves

A)

                spongy tissue

B)

                palisade tissue

C)

                conjunctive tissue

D)

                transfusion tissue

View Answer
211) Bicollateral vascular bundles are found in the members of this family

A)

                Malvaceae

B)

                Fabaceae

C)

                Caesalpiniaceae

D)

                Cucurbitaceae

View Answer
212) Element which regulates stomatal movement

A)

                potassium

B)

                sodium

C)

                sulphur

D)

                phosphorus

View Answer
213) Mottled chlorosis on the leaves occurs due to the deficiency of

A)

                nitrogen

B)

                phosphorus

C)

                potassium

D)

                sulphur

View Answer
214) The type of \[C{{O}_{2}}\]fixation seen in many succulent plant species is

A)

                \[{{\text{C}}_{\text{4}}}\text{-}\]pathway

B)

                \[{{\text{C}}_{\text{2}}}\text{-}\]pathway

C)

                CAM-pathway

D)

                \[{{\text{C}}_{3}}\text{-}\]pathway

View Answer
215) In the production of ethanol, pyruvic acid is first converted to acetaldehyde by this enzyme

A)

                alcohol dehydrogenase

B)

                alcohol oxidase

C)

                pyruvate dehydrogenase

D)

                pyruvate decarboxylase

View Answer
216) Beta vulgaris is a

A)

                short day plant

B)

                long day plant

C)

                day neutral plant

D)

                intermediate plant

View Answer
217) It will be useful in artificial ripening of fruits

A)

                2, 4-D

B)

                ethylene

C)

                cytokinin

D)

                gibberellins

View Answer
218) Rapid and dramatic increase in shoot length is called

A)

                triple response growth

B)

                bolting

C)

                scarification

D)

                night break effect

View Answer
219) Enzyme nitrogenase is responsible for

A)

                nitrification

B)

                nitrogen fixation

C)

                nitrite reduction

D)

                nitrate reduction

View Answer
220) Scorpioid cyme is seen in

A)

                Hamelia

B)

                Heliotropium

C)

                Clerodendron

D)

                Nerium

View Answer

Study Package

Buy Now

Solved papers for J & K CET Medical J & K - CET Medical Solved Paper-2007

done J & K - CET Medical Solved Paper-2007 Total Questions - 220

Study Package

J & K - CET Medical Solved Paper-2007 Total Questions - 220