1

Physics+4 / −1

The average thermal energy for a monoatomic gas is (where,\(k_ B\) is Boltzmann constant and T is absolute temperature.)

1

\(\displaystyle \frac{3}{2}k_B\,T\)

2

\(\displaystyle \frac{3}{2}k_B\,T\)

3

\(\displaystyle \frac{3}{2}k_B\,T\)

4

\(\displaystyle \frac{3}{2}k_B\,T\)

2

Physics+4 / −1

A long solenoid of 50 cm length having 100 turns carries a current of 2.5 A. The magnetic field at the centre of the solenoid is: (\(\mu_0\, =\, 4\, \pi \times 10^{−7}\,T\, m\,A^{−1}\))

1

\(3.14 \times 10^{−4}\,T\)

2

\(3.14 \times 10^{−4}\,T\)

3

\(3.14 \times 10^{−4}\,T\)

4

\(3.14 \times 10^{−4}\,T\)

3

Physics+4 / −1

A body weighs \(72\,N\) on the surface of the earth. What is the gravitational force on it, at a height equal to half the radius of the earth?

1

\(32\,N\)

2

\(32\,N\)

3

\(32\,N\)

4

\(32\,N\)

4

Physics+4 / −1

Dimensions of stress are :

1

\([M\, L^2\, T^{ −2}]\)

2

\([M\, L^2\, T^{ −2}]\)

3

\([M\, L^2\, T^{ −2}]\)

4

\([M\, L^2\, T^{ −2}]\)

5

Physics+4 / −1

Taking into account of the significant figures, what is the value of 9.99 m − 0.0099 ?

1

9.98 m

2

9.98 m

3

9.98 m

4

9.98 m

6

Physics+4 / −1

A screw gauge has least count of 0.01 mm and there are 50 divisions in its circular scale. The pitch of the screw gauge is :

1

0.25 mm

2

0.25 mm

3

0.25 mm

4

0.25 mm

7

Physics+4 / −1

Two cylinders A and B of equal capacity are connected to each other via a stop cock. A contains an ideal gas at standard temperature and pressure. B is completely evacuated. The entire system is thermally insulated. The stop cock is suddenly opened. The process is

1

adiabatic

2

adiabatic

3

adiabatic

4

adiabatic

8

Physics+4 / −1

A ball is thrown vertically downward with a velocity of 20m ∕ s from the top of a tower. It hits the ground after some time with a velocity of80m ∕ sThe height of the tower is : (g = 10m ∕ s²)

1

340m

2

340m

3

340m

4

340m

9

Physics+4 / −1

The mean free path l for a gas,with molecular diameter d and number density n can be expressed as

1

\(\displaystyle \frac{1}{\sqrt{2}n\pi d^2}\)

2

\(\displaystyle \frac{1}{\sqrt{2}n\pi d^2}\)

3

\(\displaystyle \frac{1}{\sqrt{2}n\pi d^2}\)

4

\(\displaystyle \frac{1}{\sqrt{2}n\pi d^2}\)

10

Physics+4 / −1

A cylinder contains hydrogen gas at pressure of 249 kPa and temperature 27°C. Its density is (\(R = 8.3\, J mol^{ −1} K^{−1}\) )

1

\(0.2\, kg/m^3\)

2

\(0.2\, kg/m^3\)

3

\(0.2\, kg/m^3\)

4

\(0.2\, kg/m^3\)

11

Physics+4 / −1

An electron is accelerated from rest through a potential difference of V volt. If the de Broglie wavelength of the electron is \(1.227 × 10^2nm\) the potential difference is:

1

\(10^2V\)

2

\(10^2V\)

3

\(10^2V\)

4

\(10^2V\)

12

Physics+4 / −1

Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material. What will be the photoelectric current if the frequency is halved and intensity is doubled?

1

four times

2

four times

3

four times

4

four times

13

Physics+4 / −1

A capillary tube of radius r is immersed in water and water rises in it to a height h. The mass of the water in the capillary is 5g. Another capillary tube of radius 2r is immersed in water. The mass of water that will rise in this tube is :

1

5.0 g

2

5.0 g

3

5.0 g

4

5.0 g

14

Physics+4 / −1

The increase in the width of the depletion region in a p-n junction diodeis due to:

1

reverse bias only

2

reverse bias only

3

reverse bias only

4

reverse bias only

15

Physics+4 / −1

For transistor action, which of the following statements is correct?

1

Base, emitter and collector regions should have same size.

2

Base, emitter and collector regions should have same size.

3

Base, emitter and collector regions should have same size.

4

Base, emitter and collector regions should have same size.

16

Physics+4 / −1

For the logic circuit shown, the truth table is:

1

2

3

4

17

Physics+4 / −1

A series LCR circuit is connected to an ac voltage source. When L is removed from the circuit, the phase difference between current and voltage is \(\pi /3\). If instead C is removed from the circuit, the phase difference is again \(\pi /3\) between current and voltage. The power factor of the circuit is:

1

0.5

2

0.5

3

0.5

4

0.5

18

Physics+4 / −1

A wire of length L, area of cross-section A is hanging from a fixed support. The length of the wire changes to L₁ when mass M is suspended from its free end. The expression for Young’s modulus is

1

\(\displaystyle \frac{Mg\left(L_1 - L\right)}{AL}\)

2

\(\displaystyle \frac{Mg\left(L_1 - L\right)}{AL}\)

3

\(\displaystyle \frac{Mg\left(L_1 - L\right)}{AL}\)

4

\(\displaystyle \frac{Mg\left(L_1 - L\right)}{AL}\)

19

Physics+4 / −1

The phase difference between displacement and acceleration of a particle in a simple harmonic motion is:

1

\(\displaystyle \frac{3\,\pi}{2}\) rad

2

\(\displaystyle \frac{3\,\pi}{2}\) rad

3

\(\displaystyle \frac{3\,\pi}{2}\) rad

4

\(\displaystyle \frac{3\,\pi}{2}\) rad

20

Physics+4 / −1

For which one of the following, Bohr model is not valid?

1

Singly ionised helium atom (\(He^+\) )

2

Singly ionised helium atom (\(He^+\) )

3

Singly ionised helium atom (\(He^+\) )

4

Singly ionised helium atom (\(He^+\) )

21

Physics+4 / −1

In a guitar, two strings \(A\) and \(B\) made of same material are slightly out of tune and produce beats of frequency \(6\,Hz\). When tension in \(B\) is slightly decreased, the beat frequency increases to \(7\,Hz\). If the frequency of \(A\) is \(530\,Hz\), the original frequency of \(B\) will be

1

\(524\,Hz\)

2

\(524\,Hz\)

3

\(524\,Hz\)

4

\(524\,Hz\)

22

Physics+4 / −1

The energy equivalent of 0.5 g of a substance is

1

4.5 × 10¹³ J

2

4.5 × 10¹³ J

3

4.5 × 10¹³ J

4

4.5 × 10¹³ J

23

Physics+4 / −1

When a uraniumisotope \(\displaystyle {}^{235}_92U\) is bombarded with a neutron, itgenerates \(\displaystyle {}^{89}_{36}Kr\), three neutrons and

1

\(\displaystyle {}^{91}_{40}Zr\)

2

\(\displaystyle {}^{91}_{40}Zr\)

3

\(\displaystyle {}^{91}_{40}Zr\)

4

\(\displaystyle {}^{91}_{40}Zr\)

24

Physics+4 / −1

A spherical conductor of radius 10 cm has a charge of \(3.2 × 10^{−7} C\) distributed uniformly. What is the magnitude of electric field at a point 15cm from the centre of the sphere? \(\displaystyle \frac{1}{ 4\, \pi\, \epsilon_0} = 9 × 10^9 N m^2/C^2\))

1

\(1.28 \times 10^5\, N ∕ C \)

2

\(1.28 \times 10^5\, N ∕ C \)

3

\(1.28 \times 10^5\, N ∕ C \)

4

\(1.28 \times 10^5\, N ∕ C \)

25

Physics+4 / −1

In a certain region of space with volume 0.2 m³, the electric potential is found to be 5 V through out. The magnitude of electric field in this region is:

1

0.5 N ∕ C

2

0.5 N ∕ C

3

0.5 N ∕ C

4

0.5 N ∕ C

26

Physics+4 / −1

A short electric dipole has a dipole moment of \(16 \times 10^{−9}\) Cm. The electric potential due to the dipole at a point at a distance of 0.6 m from the centre of the dipole, situated on a line making an angle of \(60^\circ\) with the dipole axis is : \(\displaystyle \left(\frac{1}{4πϵ_0} = 9 × 10^9 Nm^2/C^2\right)\)

1

200 V

2

200 V

3

200 V

4

200 V

27

Physics+4 / −1

The capacitance of a parallel plate capacitor with air as medium is 6µF . With the introduction of a dielectric medium, the capacitance becomes 30µF. The permittivity of the medium is:
(\(E_0 = 8.85 × 10^{−12}\,C^2N^{−1}m^{−2}\))

1

\( 1.77×10^{−12}\, C^2N^{−1}m^{−2}\)

2

\( 1.77×10^{−12}\, C^2N^{−1}m^{−2}\)

3

\( 1.77×10^{−12}\, C^2N^{−1}m^{−2}\)

4

\( 1.77×10^{−12}\, C^2N^{−1}m^{−2}\)

28

Physics+4 / −1

Assume that light of wavelength 600 nm is coming from a star. The limit of resolution of telescope whose objective has a diameter of 2 m is

1

\(1.83 \times 10^{-7}\) rad

2

\(1.83 \times 10^{-7}\) rad

3

\(1.83 \times 10^{-7}\) rad

4

\(1.83 \times 10^{-7}\) rad

29

Physics+4 / −1

A ray is incident at an angle of incidence i on one surface of a small angle prism (with angle of prism A) and emerges normally from the opposite surface. If the refractive index of the material of the prism is \(\mu\), then the angle of incidence is nearly equal to

1

\(\displaystyle \frac{2\, \text{A}}{\mu}\)

2

\(\displaystyle \frac{2\, \text{A}}{\mu}\)

3

\(\displaystyle \frac{2\, \text{A}}{\mu}\)

4

\(\displaystyle \frac{2\, \text{A}}{\mu}\)

30

Physics+4 / −1

Two particles of mass 5 kg and 10 kg respectively are attached to the two ends of a rigid rod of length 1 m with negligible mass.The centre of mass of the system from the 5 kg particle is nearly at a distance of

1

50 cm

2

50 cm

3

50 cm

4

50 cm

31

Physics+4 / −1

Two bodies of mass 4 kg and 6 kg are tied to the ends of a massless string. The string passes over a pulley which is frictionless (see figure). The acceleration of the system in terms of acceleration due to gravity (g) is

1

\(\displaystyle \frac{g}{2}\)

2

\(\displaystyle \frac{g}{2}\)

3

\(\displaystyle \frac{g}{2}\)

4

\(\displaystyle \frac{g}{2}\)

32

Physics+4 / −1

In Young's double slit experiment, if the separation between coherent sources is halved and the distance of the screen from the coherent sources is doubled, then the fringe width becomes

1

half

2

half

3

half

4

half

33

Physics+4 / −1

Which of the following graph represents the variation of resistivity (\(\rho\)) with temperature (T) for copper?

1

2

3

4

34

Physics+4 / −1

Light with an average flux of \(20\, \text{W}/cm^2\) falls on a non-reflecting surface at normal incidence having surface area \(20\,cm^2\). The energy recieved by the surface during time span of 1 minute is

1

\(12 \times\ 10^3\) J

2

\(12 \times\ 10^3\) J

3

\(12 \times\ 10^3\) J

4

\(12 \times\ 10^3\) J

35

Physics+4 / −1

The solids which have the negative temperature coefficient of resistanceare:

1

insulators only

2

insulators only

3

insulators only

4

insulators only

36

Physics+4 / −1

An iron rod of susceptibility \(599\) is subjected to a magnetising field of \(1200\,A\,m^{−1}\). The permeability of the material of the rod is :\(\mu_0\, =\, 4\, \pi \times 10^{−7}\,T\, m\,A^{−1}\)

1

\(8.0 \times 10^{−5}\,T\, m\,A^{−1}\)

2

\(8.0 \times 10^{−5}\,T\, m\,A^{−1}\)

3

\(8.0 \times 10^{−5}\,T\, m\,A^{−1}\)

4

\(8.0 \times 10^{−5}\,T\, m\,A^{−1}\)

37

Physics+4 / −1

The quantities of heat required to raise the temperarture of two solid copper spheres of radii \(r_1\) and \(r_2\) (\(r_1\,=\,1.5\,r_2\)) through 1 K are in the ratio

1

9/5

2

9/5

3

9/5

4

9/5

38

Physics+4 / −1

The color code of a resistance is given below Yellow Violet Brown GoldThe values of resistance and tolerance, respectively, are

1

47 kΩ, 10%

2

47 kΩ, 10%

3

47 kΩ, 10%

4

47 kΩ, 10%

39

Physics+4 / −1

Find the torque about the origin when a force of \(3\, \hat{j}\, \text{N}\) acts on a particle whose position vector is \(2\, \hat{k}\, m\).

1

\(6\, \hat{j}\, \text{Nm}\)

2

\(6\, \hat{j}\, \text{Nm}\)

3

\(6\, \hat{j}\, \text{Nm}\)

4

\(6\, \hat{j}\, \text{Nm}\)

40

Physics+4 / −1

A charged particle having drift velocity of \(7.5 \times 10^{−4}\,ms^{−1}\) in an electric field of \(3 \times 10^{−10}\, V\, m^{−1}\), has a mobility in \(m^2\,V^{−1}\,s^{−1}\) of

1

\(2.5 \times 10^6\)

2

\(2.5 \times 10^6\)

3

\(2.5 \times 10^6\)

4

\(2.5 \times 10^6\)

41

Physics+4 / −1

The Brewsters angle \(i_b\) for an interface should be

1

\(30^\circ\, <\, i_b\, <\, 45^\circ\)

2

\(30^\circ\, <\, i_b\, <\, 45^\circ\)

3

\(30^\circ\, <\, i_b\, <\, 45^\circ\)

4

\(30^\circ\, <\, i_b\, <\, 45^\circ\)

42

Physics+4 / −1

A resistance wire connected in the left gap of a metre bridge balances a \(10\, \Omega\) resistance in the right gap at a point which divides the bridge wire in the ratio \(3 : 2\). If the length of the resistance wire is \(1.5\, m\), then the length of \(1\, \Omega\) of the resistance wire is:

1

\(1.0 \times 10^{−1}\,m\)

2

\(1.0 \times 10^{−1}\,m\)

3

\(1.0 \times 10^{−1}\,m\)

4

\(1.0 \times 10^{−1}\,m\)

43

Physics+4 / −1

The energy required to break one bond in DNA is \(10^{-20}\, \text{J}\). This value in eV is nearly

1

0.6

2

0.6

3

0.6

4

0.6

44

Physics+4 / −1

The ratio of contributions made by the electric field and magnetic field components to the intensity of an electromagnetic wave is : ( c = speed of electromagnetic waves)

1

\(1 : 1\)

2

\(1 : 1\)

3

\(1 : 1\)

4

\(1 : 1\)

45

Physics+4 / −1

A 40μF capacitor is connected to a 200 V, 50 Hz AC supply. The rms value of the current in the circuit is, nearly

1

2.05 A

2

2.05 A

3

2.05 A

4

2.05 A

46

Chemistry+4 / −1

What is the change in oxidation number of carbon in the following reaction ?
\(\text{CH}_4\text{(g)} \,+\, \text{4Cl}_2\text{(g)} \, \rightarrow \, \text{CCl}_4\text{(i)}\, +\, \text{4HCl(g)}\)

1

0 to +4

2

0 to +4

3

0 to +4

4

0 to +4

47

Chemistry+4 / −1

Which of the following alkane cannot be made in good yield by Wurtz reaction?

1

2,3-Dimethylbutane

2

2,3-Dimethylbutane

3

2,3-Dimethylbutane

4

2,3-Dimethylbutane

48

Chemistry+4 / −1

An element has a body centered cubic (bcc) structure with a cell edge of 288 pm. The atomic radius is:

1

\(\frac{\sqrt{2}}{4} \times 288\) pm

2

\(\frac{\sqrt{2}}{4} \times 288\) pm

3

\(\frac{\sqrt{2}}{4} \times 288\) pm

4

\(\frac{\sqrt{2}}{4} \times 288\) pm

49

Chemistry+4 / −1

The number of protons, neutrons and electrons in \(^{175} _{71}Lu\), respectively are:

1

104, 71 and 71

2

104, 71 and 71

3

104, 71 and 71

4

104, 71 and 71

50

Chemistry+4 / −1

An alkene on ozonolysis gives methanal as one of the product. Its structure is :

1

2

3

4

51

Chemistry+4 / −1

On electrolysis of dilute suiphuric acid using Platinum (Pt) electrode, the product obtained at anode will be:

1

Oxygen gas

2

Oxygen gas

3

Oxygen gas

4

Oxygen gas

52

Chemistry+4 / −1

An increase in the concentration of the reactants of a reaction leads to change in:

1

heat of reaction

2

heat of reaction

3

heat of reaction

4

heat of reaction

53

Chemistry+4 / −1

Reaction between benzaldehyde and acetophenone in presence of dilute NaOH is known as:

1

Cannizzaro's reaction

2

Cannizzaro's reaction

3

Cannizzaro's reaction

4

Cannizzaro's reaction

54

Chemistry+4 / −1

Which of the following is a natural polymer?

1

poly (Butadiene-styrene)

2

poly (Butadiene-styrene)

3

poly (Butadiene-styrene)

4

poly (Butadiene-styrene)

55

Chemistry+4 / −1

A mixture of N₂ and Ar gases in a cylinder contains 7g of N₂ and 8g of Ar. If the total pressure of the mixture of the gases in cylinder is 27 bar, the partial pressure of N₂ is:
[Use atomic masses (in gmol^-1): N = 14, Ar = 40]

1

12 bar

2

12 bar

3

12 bar

4

12 bar

56

Chemistry+4 / −1

Match the following and identify the correct option.

1

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

2

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

3

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

4

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

57

Chemistry+4 / −1

For the reaction, 2Cl(g)→ C₂(g), the correct option is:

1

\(\Delta_r\, H \,>\, 0 \text{ and } \Delta_r \,S\, <\, 0\)

2

\(\Delta_r\, H \,>\, 0 \text{ and } \Delta_r \,S\, <\, 0\)

3

\(\Delta_r\, H \,>\, 0 \text{ and } \Delta_r \,S\, <\, 0\)

4

\(\Delta_r\, H \,>\, 0 \text{ and } \Delta_r \,S\, <\, 0\)

58

Chemistry+4 / −1

Urea reacts with water to form A which will decompose to form B. B when passed through Cu²⁺ (aq), deep blue colour solution C is formed. What is the formula of C from the following ?

1

[Cu(NH₃)₄]²⁺

2

[Cu(NH₃)₄]²⁺

3

[Cu(NH₃)₄]²⁺

4

[Cu(NH₃)₄]²⁺

59

Chemistry+4 / −1

Reaction between acetone and methyl magnesium chloride followed by hydrolysis will give:

1

Sec. butyl alcohol

2

Sec. butyl alcohol

3

Sec. butyl alcohol

4

Sec. butyl alcohol

60

Chemistry+4 / −1

The following metal ion activates many enzymes, participates in the oxidation of glucose to produce ATP and with Na, is responsible for the transmission of nerve signals.

1

Copper

2

Copper

3

Copper

4

Copper

61

Chemistry+4 / −1

Which of the following set of molecules will have zero dipole moment?

1

Boron trifluoride, hydrogen fluoride, carbon dioxide, 1,3-dichlorobenzene

2

Boron trifluoride, hydrogen fluoride, carbon dioxide, 1,3-dichlorobenzene

3

Boron trifluoride, hydrogen fluoride, carbon dioxide, 1,3-dichlorobenzene

4

Boron trifluoride, hydrogen fluoride, carbon dioxide, 1,3-dichlorobenzene

62

Chemistry+4 / −1

Identify a molecule which does not exist.

1

Li₂

2

Li₂

3

Li₂

4

Li₂

63

Chemistry+4 / −1

ldentify the incorrect match.

1

(b), (ii)

2

(b), (ii)

3

(b), (ii)

4

(b), (ii)

64

Chemistry+4 / −1

The rate constant for a first order reaction is 4.606 x 10^-3s^-1, The time required to reduce 2.0g of the reactant to 0.2 g is:

1

200 s

2

200 s

3

200 s

4

200 s

65

Chemistry+4 / −1

ldentify the correct statements from the folowing:

1

Blister copper has blistered appearance due to evolution of CO₂

2

Blister copper has blistered appearance due to evolution of CO₂

3

Blister copper has blistered appearance due to evolution of CO₂

4

Blister copper has blistered appearance due to evolution of CO₂

66

Chemistry+4 / −1

Measuring Zeta potential is useful in determining which property of colloidal solution ?

1

Solubility

2

Solubility

3

Solubility

4

Solubility

67

Chemistry+4 / −1

Which of the following oxoacid of sulphur has -O-O-linkage?

1

H₂SO₄, sulphuric acid

2

H₂SO₄, sulphuric acid

3

H₂SO₄, sulphuric acid

4

H₂SO₄, sulphuric acid

68

Chemistry+4 / −1

Elimination reaction of 2-Bromo-pentane to form pent-2-ene is:
(a) \(\beta\) - Elimination reaction
(b) Follows Zaitsev rule
(c) Dehydrohalogenation reaction
(d) Dehydration reaction
Choose the correct option from the following:

1

(a), (c), (d)

2

(a), (c), (d)

3

(a), (c), (d)

4

(a), (c), (d)

69

Chemistry+4 / −1

ldentify the correct statements from the following:
(a) CO₂(g) is used as refrigerant for ice-cream and frozen food.
(b) The structure of C₆₀ contains twelve six carbon rings and twenty five carbon rings.
(c) ZSM-5, a type of zeolite, is used to convert alcohols into gasoline.
(d) CO is colorless and odourless gas.

1

(a) and (c) only

2

(a) and (c) only

3

(a) and (c) only

4

(a) and (c) only

70

Chemistry+4 / −1

Paper chromatography is an example of:

1

Partition chromatography

2

Partition chromatography

3

Partition chromatography

4

Partition chromatography

71

Chemistry+4 / −1

Match the following :

1

(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)

2

(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)

3

(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)

4

(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)

72

Chemistry+4 / −1

Which one of the followings has maximum number of atoms ?

1

1g of Mg(s) [Atomic mass of Mg = 24]

2

1g of Mg(s) [Atomic mass of Mg = 24]

3

1g of Mg(s) [Atomic mass of Mg = 24]

4

1g of Mg(s) [Atomic mass of Mg = 24]

73

Chemistry+4 / −1

Which of the following is a basic amino acid ?

1

Alanine

2

Alanine

3

Alanine

4

Alanine

74

Chemistry+4 / −1

The calculated spin only magnetic moment of Cr²⁺ ion is:

1

4.90 BM

2

4.90 BM

3

4.90 BM

4

4.90 BM

75

Chemistry+4 / −1

Sucrose on hydrolysis gives:

1

\(\alpha \text{- D-Glucose + } \beta \text{-D-Glucose}\)

2

\(\alpha \text{- D-Glucose + } \beta \text{-D-Glucose}\)

3

\(\alpha \text{- D-Glucose + } \beta \text{-D-Glucose}\)

4

\(\alpha \text{- D-Glucose + } \beta \text{-D-Glucose}\)

76

Chemistry+4 / −1

The mixture which shows positive deviation from Raoult's law is:

1

Benzene + Toluene

2

Benzene + Toluene

3

Benzene + Toluene

4

Benzene + Toluene

77

Chemistry+4 / −1

A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following ?

1

+R effect of -CH groups

2

+R effect of -CH groups

3

+R effect of -CH groups

4

+R effect of -CH groups

78

Chemistry+4 / −1

Find out the solubility of Ni(OH)₂ in 0.1 M NaOH. Given that the ionic product of Ni(OH)₂ is 2 x 10_-15

1

2 x 10^-8 M

2

2 x 10^-8 M

3

2 x 10^-8 M

4

2 x 10^-8 M

79

Chemistry+4 / −1

Which of the following is a cationic detergent ?

1

Sodium stearate

2

Sodium stearate

3

Sodium stearate

4

Sodium stearate

80

Chemistry+4 / −1

The freezing point depression constant (K_f) of benzene is 5.12 K kg mol^-1. The freezing point depression for the solution of molality 0.078 m containing a non-electrolyte solute in benzene is
(rounded off up to two decimal places):

1

0.80 K

2

0.80 K

3

0.80 K

4

0.80 K

81

Chemistry+4 / −1

ldentify the incorrect statement.

1

The transition metals and their compounds are known for their catalytic activity due to their ability to adopt multiple oxidation states and to form complexes.

2

The transition metals and their compounds are known for their catalytic activity due to their ability to adopt multiple oxidation states and to form complexes.

3

The transition metals and their compounds are known for their catalytic activity due to their ability to adopt multiple oxidation states and to form complexes.

4

The transition metals and their compounds are known for their catalytic activity due to their ability to adopt multiple oxidation states and to form complexes.

82

Chemistry+4 / −1

Which of the following is not correct about carbon monoxide ?

1

It reduces oxygen carrying ability of blood.

2

It reduces oxygen carrying ability of blood.

3

It reduces oxygen carrying ability of blood.

4

It reduces oxygen carrying ability of blood.

83

Chemistry+4 / −1

Hydrolysis of sucrose is given by the following reaction.
Sucrose + H₂O \(\rightleftharpoons \) Glucose + Fructose
If the equilibrium constant (K_c) is 2 x 10¹³ at 800 K, the value of \(\Delta \text{rG}^ \ominus \) at the same temperature will be

1

8.314 J mol^-1K^-1 x 300 K x In(2 x 10¹³)

2

8.314 J mol^-1K^-1 x 300 K x In(2 x 10¹³)

3

8.314 J mol^-1K^-1 x 300 K x In(2 x 10¹³)

4

8.314 J mol^-1K^-1 x 300 K x In(2 x 10¹³)

84

Chemistry+4 / −1

Which of the following is the correct order of increasing field strength of ligands to form coordination compounds ?

1

SCN^- < F^- < CN^- < C₂O₄^2-

2

SCN^- < F^- < CN^- < C₂O₄^2-

3

SCN^- < F^- < CN^- < C₂O₄^2-

4

SCN^- < F^- < CN^- < C₂O₄^2-

85

Chemistry+4 / −1

ldentify compound X in the following sequence of reacions:

1

2

3

4

86

Chemistry+4 / −1

The correct option for free expansion of an ideal gas under adiabatic condition is:

1

\(q\, =\, 0,\, \Delta T\, <\,0\, \text{ and}\, w\,>\, 0\)

2

\(q\, =\, 0,\, \Delta T\, <\,0\, \text{ and}\, w\,>\, 0\)

3

\(q\, =\, 0,\, \Delta T\, <\,0\, \text{ and}\, w\,>\, 0\)

4

\(q\, =\, 0,\, \Delta T\, <\,0\, \text{ and}\, w\,>\, 0\)

87

Chemistry+4 / −1

The number of Faradays(F) required to produce 20 g of calcium from molten CaCl₂ (Atomic mass of Ca = 40 g mol^-1) is:

1

2

3

2

4

2

88

Chemistry+4 / −1

HCl was passed through a solution of CaCI₂, MgCi₂ and NaCI. Which of the following compound(s) crystallise(s)?

1

Only NaCI

2

Only NaCI

3

Only NaCI

4

Only NaCI

89

Chemistry+4 / −1

Anisole on cleavage with Hl gives:

1

2

3

4

90

Chemistry+4 / −1

Which of the following amine will give the carbylamine test ?

1

2

3

4

91

Biology+4 / −1

Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action
(a) Darwin's Finches of Galapagos islands.
(b) Herbicide resistant weeds.
(c) Drug resistant eukaryotes.
(d) Man-created breeds of domesticated animals like dogs.

1

(a) and (c)

2

(a) and (c)

3

(a) and (c)

4

(a) and (c)

92

Biology+4 / −1

Which of the following statements are true for the phylum-Chordata?
(a) In Urochordata notochord extends from head to tail and it is present throughout their life.
(b) In Vertebrata notochord is present during the embryonic period only.
(c) Central nervous system is dorsal and hollow.
(d) Chordata is divided into 3 subphyla - Hemichordata, Tunicata and Cephalochordata.

1

(c) and (a)

2

(c) and (a)

3

(c) and (a)

4

(c) and (a)

93

Biology+4 / −1

Presence of which of the following conditions in urine are indicative of Diabetes Mellitus?

1

Uremia and Renal Calculi

2

Uremia and Renal Calculi

3

Uremia and Renal Calculi

4

Uremia and Renal Calculi

94

Biology+4 / −1

Select the option including all sexually transmitted diseases.

1

Gonorrhoea, Malaria, Genital herpes

2

Gonorrhoea, Malaria, Genital herpes

3

Gonorrhoea, Malaria, Genital herpes

4

Gonorrhoea, Malaria, Genital herpes

95

Biology+4 / −1

Match the following columns and select the correctoption.

1

(a) - (ii), (b) - (i) (c) - (iv), (d) - (iii)

2

(a) - (ii), (b) - (i) (c) - (iv), (d) - (iii)

3

(a) - (ii), (b) - (i) (c) - (iv), (d) - (iii)

4

(a) - (ii), (b) - (i) (c) - (iv), (d) - (iii)

96

Biology+4 / −1

If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 x 109 bp, then the length of the DNA is approximately:

1

2.5 meters

2

2.5 meters

3

2.5 meters

4

2.5 meters

97

Biology+4 / −1

The enzyme enterokinase helps in conversion of:

1

trypsinogen into trypsin

2

trypsinogen into trypsin

3

trypsinogen into trypsin

4

trypsinogen into trypsin

98

Biology+4 / −1

Identify the correct statement with reference to human digestive system.

1

Serosa is the innermost layer of the alimentary Canal.

2

Serosa is the innermost layer of the alimentary Canal.

3

Serosa is the innermost layer of the alimentary Canal.

4

Serosa is the innermost layer of the alimentary Canal.

99

Biology+4 / −1

ldentify the wrong statement with regard to Restriction Enzymes.

1

They cut the strand of DNA at palindromic sites.

2

They cut the strand of DNA at palindromic sites.

3

They cut the strand of DNA at palindromic sites.

4

They cut the strand of DNA at palindromic sites.

100

Biology+4 / −1

Match the following:

Choose the correct option from the following:

1

(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)

2

(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)

3

(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)

4

(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)

101

Biology+4 / −1

Dissolution of the synaptonemal complex occurs during:

1

Zygotene

2

Zygotene

3

Zygotene

4

Zygotene

102

Biology+4 / −1

Name the enzyme that facilitates opening of DNA helix during transcription.

1

DNA helicase

2

DNA helicase

3

DNA helicase

4

DNA helicase

103

Biology+4 / −1

Match the following columns and select the correctoption.

1

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

2

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

3

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

4

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

104

Biology+4 / −1

ldentify the wrong statement with reference to transport of oxygen.

1

Partial pressure of CO₂ can interfere with O₂ binding with haemoglobin

2

Partial pressure of CO₂ can interfere with O₂ binding with haemoglobin

3

Partial pressure of CO₂ can interfere with O₂ binding with haemoglobin

4

Partial pressure of CO₂ can interfere with O₂ binding with haemoglobin

105

Biology+4 / −1

Which of the following is not an inhibitory substance governing seed dormancy ?

1

Abscisic acid

2

Abscisic acid

3

Abscisic acid

4

Abscisic acid

106

Biology+4 / −1

Match the following diseases with the causativeorganism and select the correct option.

1

(a) - (iii), (b) - (iv), (c) -(i), (d) - (ii)

2

(a) - (iii), (b) - (iv), (c) -(i), (d) - (ii)

3

(a) - (iii), (b) - (iv), (c) -(i), (d) - (ii)

4

(a) - (iii), (b) - (iv), (c) -(i), (d) - (ii)

107

Biology+4 / −1

Select the correct events that occur during inspiration.
(a) Contraction of diaphragm
(b) Contraction of external inter-costal muscles
(c) Pulmonary volume decreases
(d) Intra pulmonary pressure increases

1

(c) and (d)

2

(c) and (d)

3

(c) and (d)

4

(c) and (d)

108

Biology+4 / −1

The oxygenation activity of RuBisCo enzyme in photorespiration leads to the formation of:

1

1 molecule of 3-C compound

2

1 molecule of 3-C compound

3

1 molecule of 3-C compound

4

1 molecule of 3-C compound

109

Biology+4 / −1

In light reaction, plastoquinone facilitates the transfer of electrons from:

1

Cytb₆f complex to PS-I

2

Cytb₆f complex to PS-I

3

Cytb₆f complex to PS-I

4

Cytb₆f complex to PS-I

110

Biology+4 / −1

In gel electrophoresis, separated DNA fragments can be visualized with the help of:

1

Ethidium bromide in UV radiation

2

Ethidium bromide in UV radiation

3

Ethidium bromide in UV radiation

4

Ethidium bromide in UV radiation

111

Biology+4 / −1

The QRS complex in a standard ECG represents:

1

Depolarisation of auricles

2

Depolarisation of auricles

3

Depolarisation of auricles

4

Depolarisation of auricles

112

Biology+4 / −1

The plant parts which consist of two generations- one within the other:
(a) Pollen grains inside the anther
(b) Germinated pollen grain with two male gametes
(c) Seed inside the fruit
(d) Embryo sac inside the ovule

1

(a), (b) and (c)

2

(a), (b) and (c)

3

(a), (b) and (c)

4

(a), (b) and (c)

113

Biology+4 / −1

The infectious stage of Plasmodium that enters the human body is:

1

Sporozoites

2

Sporozoites

3

Sporozoites

4

Sporozoites

114

Biology+4 / −1

ldentify the incorrect statement.

1

Sapwood is involved in conduction of water and minerals from root to leaf.

2

Sapwood is involved in conduction of water and minerals from root to leaf.

3

Sapwood is involved in conduction of water and minerals from root to leaf.

4

Sapwood is involved in conduction of water and minerals from root to leaf.

115

Biology+4 / −1

Flippers of Penguins and Dolphins are examples of:

1

Convergent evolution

2

Convergent evolution

3

Convergent evolution

4

Convergent evolution

116

Biology+4 / −1

ldentify the wrong statement with reference to the gene 'l' that controls ABO blood groups.

1

A person will have only two of the three alleles.

2

A person will have only two of the three alleles.

3

A person will have only two of the three alleles.

4

A person will have only two of the three alleles.

117

Biology+4 / −1

The first phase of translation is:

1

Recognition of DNA molecule

2

Recognition of DNA molecule

3

Recognition of DNA molecule

4

Recognition of DNA molecule

118

Biology+4 / −1

Ray florets have:

1

Superior ovary

2

Superior ovary

3

Superior ovary

4

Superior ovary

119

Biology+4 / −1

The process of growth is maximum during:

1

Lag phase

2

Lag phase

3

Lag phase

4

Lag phase

120

Biology+4 / −1

The roots that originate from the base of the stem are

1

Primary roots

2

Primary roots

3

Primary roots

4

Primary roots

121

Biology+4 / −1

In water hyacinth and water lily, pollination takes place by:

1

water currents only

2

water currents only

3

water currents only

4

water currents only

122

Biology+4 / −1

Which of the following is put into Anaerobic sludge digester for further sewage treatment ?

1

Floating debris

2

Floating debris

3

Floating debris

4

Floating debris

123

Biology+4 / −1

Bilaterally symmetrical and acoelomate animals are exemplified by:

1

Platyhelminthes

2

Platyhelminthes

3

Platyhelminthes

4

Platyhelminthes

124

Biology+4 / −1

ldentify the basic amino acid from the following.

1

Glutamic Acid

2

Glutamic Acid

3

Glutamic Acid

4

Glutamic Acid

125

Biology+4 / −1

In which of the following techniques, the embryos are transferred to assist those females who cannot conceive?

1

GIFT and ZIFT

2

GIFT and ZIFT

3

GIFT and ZIFT

4

GIFT and ZIFT

126

Biology+4 / −1

Which of the following statements about inclusion bodies is incorrect?

1

These are involved in ingestion of food partides.

2

These are involved in ingestion of food partides.

3

These are involved in ingestion of food partides.

4

These are involved in ingestion of food partides.

127

Biology+4 / −1

Experimental verification of the chromosomal theory of inheritance was done by:

1

Sutton

2

Sutton

3

Sutton

4

Sutton

128

Biology+4 / −1

Which of the following statements is not correct?

1

The proinsulin has an extra peptide called C- peptide.

2

The proinsulin has an extra peptide called C- peptide.

3

The proinsulin has an extra peptide called C- peptide.

4

The proinsulin has an extra peptide called C- peptide.

129

Biology+4 / −1

Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells ?

1

Peroxisomes

2

Peroxisomes

3

Peroxisomes

4

Peroxisomes

130

Biology+4 / −1

Embryological support for evolution was disapproved by:

1

Alfred Wallace

2

Alfred Wallace

3

Alfred Wallace

4

Alfred Wallace

131

Biology+4 / −1

The sequence that controls the copy number of the linked DNA in the vector, is termed:

1

Ori site

2

Ori site

3

Ori site

4

Ori site

132

Biology+4 / −1

Which of the following is correct about viroids ?

1

They have free RNA without protein coat. .

2

They have free RNA without protein coat. .

3

They have free RNA without protein coat. .

4

They have free RNA without protein coat. .

133

Biology+4 / −1

Montreal protocol was signed in 1987 for control of:

1

Emission of ozone depleting substances

2

Emission of ozone depleting substances

3

Emission of ozone depleting substances

4

Emission of ozone depleting substances

134

Biology+4 / −1

The number of substrate level phosphorylations in one turn of citric acid cycle is:

1

One

2

One

3

One

4

One

135

Biology+4 / −1

Which of the following hormone levels will cause release of ovum (ovulation) from the graffian follicle?

1

High concentration of Progesterone

2

High concentration of Progesterone

3

High concentration of Progesterone

4

High concentration of Progesterone

136

Biology+4 / −1

Select the correct match.

1

Phenylketonuria - Autosomal dominant trait

2

Phenylketonuria - Autosomal dominant trait

3

Phenylketonuria - Autosomal dominant trait

4

Phenylketonuria - Autosomal dominant trait

137

Biology+4 / −1

Cuboidal epithelium with brush border of microvilli is found in:

1

ducts of salivary glands

2

ducts of salivary glands

3

ducts of salivary glands

4

ducts of salivary glands

138

Biology+4 / −1

Snow-blindness in Antarctic region is due to:

1

Inflammation of cornea due to high dose of UV-B radiation

2

Inflammation of cornea due to high dose of UV-B radiation

3

Inflammation of cornea due to high dose of UV-B radiation

4

Inflammation of cornea due to high dose of UV-B radiation

139

Biology+4 / −1

Which of the following pairs is of unicellular algae?

1

Gelidium and Gracilaria

2

Gelidium and Gracilaria

3

Gelidium and Gracilaria

4

Gelidium and Gracilaria

140

Biology+4 / −1

The transverse section of a plant shows following anatomical features:
(a) Large number of scattered vascular bundles surrounded by bundle sheath.
(b) Large conspicuous parenchymatous ground tissue.
(c) Vascular bundles conjoint and closed.
(d) Phloem parenchyma absent.
ldentify the category of plant and its part:

1

Monocotyledonous root

2

Monocotyledonous root

3

Monocotyledonous root

4

Monocotyledonous root

141

Biology+4 / −1

How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits ?

1

2

3

2

4

2

142

Biology+4 / −1

Floridean starch has structure similar to:

1

Amylopectin and glycogen

2

Amylopectin and glycogen

3

Amylopectin and glycogen

4

Amylopectin and glycogen

143

Biology+4 / −1

ldentify the correct statement with regard to G₁ phase (Gap 1) of interphase.

1

Reorganisation of all cell components takes place.

2

Reorganisation of all cell components takes place.

3

Reorganisation of all cell components takes place.

4

Reorganisation of all cell components takes place.

144

Biology+4 / −1

By which method was a new breed 'Hisardale of sheep formed by using Bikaneri ewes and Marino rams ?

1

Mutational breedingil ol

2

Mutational breedingil ol

3

Mutational breedingil ol

4

Mutational breedingil ol

145

Biology+4 / −1

Identify the wrong statement with reference to immunity.

1

When ready-made antibodies are directly given, baltiens it is called "Passive immunity".

2

When ready-made antibodies are directly given, baltiens it is called "Passive immunity".

3

When ready-made antibodies are directly given, baltiens it is called "Passive immunity".

4

When ready-made antibodies are directly given, baltiens it is called "Passive immunity".

146

Biology+4 / −1

The specific palindromic sequence which is recognized by EcoRI is:

1

5'- GGAACC -3`
3'- CCTTGG -5`

2

5'- GGAACC -3`
3'- CCTTGG -5`

3

5'- GGAACC -3`
3'- CCTTGG -5`

4

5'- GGAACC -3`
3'- CCTTGG -5`

147

Biology+4 / −1

If the head of cockroach is removed, it may live for few days because:

1

the cockroach does not have nervous system.

2

the cockroach does not have nervous system.

3

the cockroach does not have nervous system.

4

the cockroach does not have nervous system.

148

Biology+4 / −1

Match the trophic levels with their correct speciesexamples in grassland ecosystem.

Select the correct option:

1

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

2

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

3

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

4

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

149

Biology+4 / −1

Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop.

1

Gibberellin

2

Gibberellin

3

Gibberellin

4

Gibberellin

150

Biology+4 / −1

Goblet cells of alimentary canal are modified from

1

Columnar epithelial cels

2

Columnar epithelial cels

3

Columnar epithelial cels

4

Columnar epithelial cels

151

Biology+4 / −1

Match the following columns and select the correctoption.

1

(a) - (iii), (b) - (iv), (c) - (i), (d) - (ii)

2

(a) - (iii), (b) - (iv), (c) - (i), (d) - (ii)

3

(a) - (iii), (b) - (iv), (c) - (i), (d) - (ii)

4

(a) - (iii), (b) - (iv), (c) - (i), (d) - (ii)

152

Biology+4 / −1

Which of the following statements is correct ?

1

Adenine pairs with thymine through one H-bond.

2

Adenine pairs with thymine through one H-bond.

3

Adenine pairs with thymine through one H-bond.

4

Adenine pairs with thymine through one H-bond.

153

Biology+4 / −1

Which of the following regions of the globe exhibits highest species diversity ?

1

Madagascar

2

Madagascar

3

Madagascar

4

Madagascar

154

Biology+4 / −1

Match the following columns and select the correctoption.

1

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

2

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

3

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

4

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

155

Biology+4 / −1

The product(s) of reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are:

1

Nitrate alone

2

Nitrate alone

3

Nitrate alone

4

Nitrate alone

156

Biology+4 / −1

Match the following concerning essential elementsand their functions in plants:

1

(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

2

(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

3

(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

4

(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

157

Biology+4 / −1

Which of the following would help in prevention of diuresis?

1

Reabsorption of Na and water from renal tubules due to aldosterone

2

Reabsorption of Na and water from renal tubules due to aldosterone

3

Reabsorption of Na and water from renal tubules due to aldosterone

4

Reabsorption of Na and water from renal tubules due to aldosterone

158

Biology+4 / −1

Meiotic division of the secondary oocyte is completed:

1

At the time of copulation

2

At the time of copulation

3

At the time of copulation

4

At the time of copulation

159

Biology+4 / −1

Match the following columns and select the correctoption.

1

(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)

2

(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)

3

(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)

4

(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)

160

Biology+4 / −1

Match the following columns and select the correctoption.

1

(a) - (i), (b) - (iii), (c) - (ii), (d) - (iv)

2

(a) - (i), (b) - (iii), (c) - (ii), (d) - (iv)

3

(a) - (i), (b) - (iii), (c) - (ii), (d) - (iv)

4

(a) - (i), (b) - (iii), (c) - (ii), (d) - (iv)

161

Biology+4 / −1

Secondary metabolites such as nicotine, strychnine and caffeine are produced by plants for their:

1

Growth response

2

Growth response

3

Growth response

4

Growth response

162

Biology+4 / −1

From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask

1

CH₃, H₂, NH₄ and water vapor at 800°C

2

CH₃, H₂, NH₄ and water vapor at 800°C

3

CH₃, H₂, NH₄ and water vapor at 800°C

4

CH₃, H₂, NH₄ and water vapor at 800°C

163

Biology+4 / −1

Match the organism with its use in biotechnology.

Select the correct option from the following:

1

(a) - (iv), (b) - (iii), (c) - (i), (d) - (ii)

2

(a) - (iv), (b) - (iii), (c) - (i), (d) - (ii)

3

(a) - (iv), (b) - (iii), (c) - (i), (d) - (ii)

4

(a) - (iv), (b) - (iii), (c) - (i), (d) - (ii)

164

Biology+4 / −1

Bt cotton variety that was developed by the halten introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to

1

Fungal diseases

2

Fungal diseases

3

Fungal diseases

4

Fungal diseases

165

Biology+4 / −1

Choose the correct pair from the following: Break the DNA into

1

Polymerases fragments Separate the two strands of

2

Polymerases fragments Separate the two strands of

3

Polymerases fragments Separate the two strands of

4

Polymerases fragments Separate the two strands of

166

Biology+4 / −1

The body of the ovule is fused within the funicle at

1

Micropyle

2

Micropyle

3

Micropyle

4

Micropyle

167

Biology+4 / −1

Strobili or cones are found in

1

Pteris

2

Pteris

3

Pteris

4

Pteris

168

Biology+4 / −1

Match the following columns and select the correctoption.

1

(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)

2

(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)

3

(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)

4

(a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)

169

Biology+4 / −1

ldentify the substances having glycosidic bond and peptide bond, respectively in their structure

1

Glycerol, trypsin Chitin, cholesterol

2

Glycerol, trypsin Chitin, cholesterol

3

Glycerol, trypsin Chitin, cholesterol

4

Glycerol, trypsin Chitin, cholesterol

170

Biology+4 / −1

In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct?

1

Gross primary productivity is always more than net primary productivity.

2

Gross primary productivity is always more than net primary productivity.

3

Gross primary productivity is always more than net primary productivity.

4

Gross primary productivity is always more than net primary productivity.

171

Biology+4 / −1

Match the following columns and select the correctoption.

1

(a) - (i), (b) - (iv), (c) - (ii), (d) - (iii)

2

(a) - (i), (b) - (iv), (c) - (ii), (d) - (iii)

3

(a) - (i), (b) - (iv), (c) - (ii), (d) - (iii)

4

(a) - (i), (b) - (iv), (c) - (ii), (d) - (iii)

172

Biology+4 / −1

Which of the following is not an attribute of a population ?

1

Natality

2

Natality

3

Natality

4

Natality

173

Biology+4 / −1

Match the following columns and select the correctoption.

1

(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)

2

(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)

3

(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)

4

(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)

174

Biology+4 / −1

Which one of the following is the most abundant protein in the animals ?

1

Collagen

2

Collagen

3

Collagen

4

Collagen

175

Biology+4 / −1

85.Match the following with respect to meiosis
(a) Zygotene | (i) Terminalization
(b) Pachytene | (ii) Chiasmata
(c) Diplotene | (iii) Crossing over
(d) Diakinesis | (iv) Synapsis
Select the correct option from the following:

1

(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

2

(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

3

(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

4

(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

176

Biology+4 / −1

According to Robert May, the global species diversity is about:

1

20 million

2

20 million

3

20 million

4

20 million

177

Biology+4 / −1

The ovary is half inferior in:

1

Mustard

2

Mustard

3

Mustard

4

Mustard

178

Biology+4 / −1

Select the correct statement.

1

Glucagon is associated with hypoglycemia.

2

Glucagon is associated with hypoglycemia.

3

Glucagon is associated with hypoglycemia.

4

Glucagon is associated with hypoglycemia.

179

Biology+4 / −1

The process responsible for facilitating loss of water in liquid form from the tip of grass blades at night and in early morning is

1

Root pressure

2

Root pressure

3

Root pressure

4

Root pressure

180

Biology+4 / −1

Some dividing cells exit the cell cycle and enter vegetative inactive stage. This is called quiescent stage (G). This process occurs at the end of:

1

G₁ phase

2

G₁ phase

3

G₁ phase

4

G₁ phase

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