20206-NEET-SET-CODE-60 — NEET 2026 Question Paper with Solutions

Q1 PHYSICS Unit 14: Electromagnetic Induction and Alternating Currents

An ac voltage V = 220 sin(2 x 10^3 t) Volt is applied to a series LCR circuit. Then the current amplitude in this circuit is: (Given : L= 10 mH, C=25µF, R= 100 Ω)

↻ Repeated question — also appeared in 2026 (2 sets)

A. 11.0 A
B. 22.0 A
C. 2.2 A
D. 5.5 A

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Q2 PHYSICS Unit 9: Kinetic Theory of Gases

The mean free path of molecules in an ideal gas A is half that of another ideal gas B. The diameter of the spherical molecules of gas A is twice the diameter of the molecules of B. If number densities of the gases A and B are nA and nB, respectively, then the correct option is :

↻ Repeated question — also appeared in 2026 (2 sets)

A. nA = 1/4 nB
B. nA = 1/2 nB
C. nA = nB
D. nA = 2 nB

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Q3 PHYSICS Unit 10: Oscillations and Waves

A cylindrical cork of uniform density floats in a liquid of density ρ1. If the cork is depressed slightly and released, it oscillates harmonically with time period T. If the same cork floats in another liquid of density ρ2, then the similar oscillation has time period 2T. The value of ρ2/ρ1 is :

↻ Repeated question — also appeared in 2026 (2 sets)

A. 1/2
B. 1/4
C. 4
D. 2

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Q3 PHYSICS Unit 7: Properties of Solids and Liquids

A cylindrical cork of uniform density floats in a liquid of density ρ1. If the cork is depressed slightly and released, it oscillates harmonically with time period T. If the same cork floats in another liquid of density ρ2, then the similar oscillation has time period 2T. The value of ρ2/ρ1 is:

↻ Repeated question — also appeared in 2026 (1 set)

A. 1/2
B. 1/4
C. 4
D. 2

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Q4 PHYSICS Unit 10: Oscillations and Waves

Consider a spring-mass simple harmonic oscillator in one dimension. The mass of the particle is m kg and the spring constant is k Nm^-1. At a given instant, the extension of the spring is x meter and the speed of the particle is v ms^-1. On the x-v plane, if the graph of v as a function of x is a circle, then the correct option is :

↻ Repeated question — also appeared in 2026 (4 sets)

A. k = m^2
B. k = √m
C. k = 1/m
D. k = m

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Q4 PHYSICS Unit 10: Oscillations and Waves

Consider a spring-mass simple harmonic oscillator in one dimension. The mass of the particle is m kg and the spring constant is k Nm-1. At a given instant, the extension of the spring is x meter and the speed of the particle is v ms-1. On the x-v plane, if the graph of v as a function of x is a circle, then the correct option is:

↻ Repeated question — also appeared in 2026 (4 sets)

A. k = m^2
B. k = √m
C. k = 1/m
D. k = m

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Q5 PHYSICS Unit 8: Thermodynamics

In an adiabatic expansion, the temperature of one mole of an ideal monatomic gas (γ = 5/3) decreases from 60K to 50K. The work done by the gas in the process is : (Take the universal gas constant as R=8.3 J mol^-1 K^-1)

↻ Repeated question — also appeared in 2026 (4 sets)

A. 124.5 J
B. 166 J
C. 41.5 J
D. 83 J

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Q5 PHYSICS Unit 8: Thermodynamics

In an adiabatic expansion, the temperature of one mole of an ideal monatomic gas (γ = 5/3) decreases from 600K to 500K. The work done by the gas in the process is (Take the universal gas constant as R = 8.3 J mol-1 K-1):

↻ Repeated question — also appeared in 2026 (4 sets)

A. 124.5 J
B. 166 J
C. 41.5 J
D. 83 J

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Q6 PHYSICS Unit 15: Electromagnetic Waves

The following table presents the part of the electromagnetic spectrum and their corresponding major applications. P: Microwave, Q: UV rays, R: Gamma rays, S: Radio wave. Applications: I: Purifying water, II: Warming food, III: AM and FM communication, IV: Treating cancer. The correct option is:

A. P-II, Q-I, R-IV, S-III
B. P-II, Q-IV, R-III, S-I
C. P-I, Q-II, R-III, S-IV
D. P-I, Q-IV, R-II, S-III

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Q7 PHYSICS Unit 11: Electrostatics

A unit positive point charge is taken slowly through an infinitesimally thin tube that is inside a charged dielectric sphere of radius R, having uniform positive charge density ρ. The initial and final positions of the charge are marked by A and B at distances 2R and 3R respectively, from the centre of the sphere. In this process, the magnitude of the total work done on the point charge is (ρR^2)/(nε0). The value of n is:

↻ Repeated question — also appeared in 2026 (1 set)

A. 9
B. 18
C. 2
D. 6

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Q13 PHYSICS Unit 5: Rotational Motion

A solid sphere A of radius R and mass M is attached at a point to a smaller solid sphere B of radius r < R and mass m < M. Assume that the line joining their centres lies along the horizontal. The moment of inertia of the system calculated about a vertical axis passing through the centre of A is IA and that calculated about a vertical axis passing through the centre of B is IB. The difference IA - IB is:

↻ Repeated question — also appeared in 2026 (2 sets)

A. (m-M)(R-r)^2
C. (M-m)(R+r)^2
D. (m-M)(R+r)^2

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Q14 PHYSICS Unit 18: Atoms and Nuclei

Consider the following nuclear reaction: 238U -> 234Th + 4He. Take masses of 238U, 234Th and 4He as 238.050 u, 234.043 u and 4.003 u, respectively. The Q value for the reaction, in keV, is: [Given: 1 u = 931.5 MeV c^-2]

↻ Repeated question — also appeared in 2026 (2 sets)

A. 3736
B. 3740
C. 3726
D. 3730

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Q15 PHYSICS Unit 11: Electrostatics

Consider a fixed uniformly charged insulating sphere with radius R and total charge +Q. A point charge -q (q << Q) with mass m is released from rest at a distance of 3R from the centre of the charged sphere. When the point charge reaches the surface of the sphere, its speed is:

↻ Repeated question — also appeared in 2026 (2 sets)

A. sqrt(Qq / 3πε0mR)
B. sqrt(Qq / 4πε0mR)
C. sqrt(3Qq / 4πε0mR)
D. sqrt(2Qq / 3πε0mR)

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Q16 PHYSICS Unit 12: Current Electricity

Consider two circuits, (A) and (B), each having two resistors. One of them has a positive temperature coefficient of resistance, +α, while the other one has a negative temperature of coefficient, -α, as shown in the figure. The current through these circuits are denoted by IA and IB. At initial temperature, the resistance of the two resistors is R0. As the temperature is increased, the correct option that describes the variation of current in these circuits is:

↻ Repeated question — also appeared in 2026 (2 sets)

A. IA increases while IB decreases
B. both IA and IB remain constant
C. IA remains constant while IB increases
D. IA decreases while IB increases

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Q22 PHYSICS Unit 14: Electromagnetic Induction and Alternating Currents

Two identical inductors are connected in two different configurations P and Q, where a time varying current I(t) is flowing, as shown in the figure. The induced emf between points a and b for configuration P is Ep and that for configuration Q is E0. The ratio Ep/E0 is: [Neglect the effect of mutual inductance.]

↻ Repeated question — also appeared in 2026 (1 set)

A. 1
B. 2
C. 1/4
D. 1/2

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Q23 PHYSICS Unit 19: Electronic Devices

Three identical p-n junction diodes D1, D2 and D3 are connected across a battery as shown in the figure. If the width of the depletion regions of D1, D2 and D3 are W1, W2 and W3, respectively, then the correct option is:

↻ Repeated question — also appeared in 2026 (2 sets)

A. W3 > W2 > W1
B. W2 > W1 = W3
C. W1 > W2 > W3
D. W3 = W1 > W2

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Q24 PHYSICS Unit 11: Electrostatics

Three identical capacitors P, Q and S, each of the capacitance C, are connected to a battery of voltage V, as shown in the figure. If the energy stored in the capacitor P and total energy stored in the system are Up and UT, respectively, then the ratio Up/UT is:

↻ Repeated question — also appeared in 2026 (2 sets)

A. 1/2
B. 1/6
C. 2/3
D. 1/3

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Q25 PHYSICS Unit 5: Rotational Motion

A thin horizontal disc is rotating about a vertical axis passing through its fixed centre O. Its angular momentum is LA and LB computed about points A and B, respectively, with OB = 2 x OA. The value of LA/LB is:

↻ Repeated question — also appeared in 2026 (2 sets)

A. 1
B. 2
C. 1/4
D. 1/2

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Q26 PHYSICS Unit 19: Electronic Devices

An ideal Zener diode with breakdown voltage of -3 V is reverse biased with a negative input voltage Vi = -5 V. The magnitude of voltage difference between points B and A is:

↻ Repeated question — also appeared in 2026 (2 sets)

A. 1 V
B. 0 V
C. 3 V
D. 2 V

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Q27 PHYSICS Unit 7: Properties of Solids and Liquids

Water flows in a streamline motion through a horizontal pipe of circular cross-section as shown in the figure. The pressure difference of water between P and Q is 15 Nm^-2. The area of cross-section at P and Q are 40 cm^2 and 20 cm^2, respectively. The rate of flow of water through the pipe, in cm^3s^-1, is: [Take density of water = 1000 kg m^-3]

↻ Repeated question — also appeared in 2026 (2 sets)

A. 300
B. 400
C. 100
D. 200

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Q34 PHYSICS Unit 16: Optics

The lens combination as shown in the figure, consists of two lenses, L1 and L2, of the focal lengths +10 cm and -10 cm, respectively. The position of the image formed is:

↻ Repeated question — also appeared in 2026 (3 sets)

A. 30 cm to the right of the concave lens
B. 60 cm to the right of the concave lens
C. 20 cm to the left of the concave lens
D. 60 cm to the left of the concave lens

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Q35 PHYSICS Unit 6: Gravitation

Two planets P1 and P2 with equal mass have radii R1 and R2, respectively, where R2 = R1/2. The escape speeds of P1 and P2 are v1 and v2, respectively. Then v2/v1 is:

↻ Repeated question — also appeared in 2026 (1 set)

A. √2
B. 2
C. 1/√2
D. 1

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Q36 PHYSICS Unit 15: Electromagnetic Waves

An electromagnetic wave travelling in a lossless dielectric medium having a dielectric constant, εr= 9, has the electric field, Ex=E0 sin (kz-2πx10^6t) Vm^-1 where E0 is the amplitude and k is the wave vector. Among the following options, the incorrect choice is:

↻ Repeated question — also appeared in 2026 (3 sets)

A. The magnetic field is given by the relation By = (B0/v) sin (kz - 2π x 10^6 t) where v is the speed of the electromagnetic wave inside the medium
B. The direction of propagation of the electromagnetic wave is along +z
C. The speed of the electromagnetic wave inside the medium is 10^8 ms^-1
D. The wavelength of the electromagnetic wave inside the medium is 300 m

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Q37 PHYSICS Unit 2: Kinematics

Consider a particle moving along a straight line, whose position as a function of time is given by s(t)=αt^2-βt+γ, where α=1 ms^-2, β=6 ms^-1 and γ=5 m. The average speed of the particle, in ms^-1, from t=0 to t=6 s is:

↻ Repeated question — also appeared in 2026 (2 sets)

A. 3
C. 12
D. 6

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Q40 PHYSICS Unit 14: Electromagnetic Induction and Alternating Currents

Consider a long solenoid of length l and radius r. If n is the number of turns per unit length and μ0 is the permeability of free space, the inductance of the solenoid is:

A. (μ0/2π)n^2r^2l
B. 2μ0πn^2r^2l
C. μ0πn^2r^2l
D. μ0n^2r^2l

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Q41 PHYSICS Unit 13: Magnetic Effects of Current and Magnetism

A current I0 flows through a metallic circular loop of radius r as shown in the figure. Resistance of the segment ABC is half that of ADC. Magnitude of magnetic field at the center O of the loop is:

↻ Repeated question — also appeared in 2026 (1 set)

A. μ0I0 / 2r
B. μ0I0 / 2πr
C. μ0I0 / 12r
D. μ0I0 / 4r

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Q42 PHYSICS Unit 7: Properties of Solids and Liquids

The temperature of a metallic sphere of radius R is increased by a small amount dT. If the linear coefficient of thermal expansion of the metal is α, the approximate increase in the volume of the sphere is:

↻ Repeated question — also appeared in 2026 (1 set)

A. 4πR^3αdT
B. 6πR^3αdT
C. 2πR^3αdT
D. 3πR^3αdT

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Q44 PHYSICS Unit 16: Optics

Consider three media P, Q and R with refractive indices 1, 1.25, and 1.5, respectively. The medium Q having a thickness of 5 cm is placed between extended media P and R as shown in the figure. An object O is placed at the center of medium Q. If viewed from medium P near the normal direction, the apparent depth of O is h1. For similar observation from medium R, the apparent depth is h2. The value of |h1 - h2|, in cm, is:

↻ Repeated question — also appeared in 2026 (1 set)

A. 2
B. 3
D. 1

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Q45 PHYSICS Unit 11: Electrostatics

A point charge Q is placed inside a cavity within a solid isolated conducting sphere. Consider points A, B and C as shown in the figure, where the magnitudes of the electric fields are EA, EB and EC, respectively. The points B and C are at the same distance from the center of the solid sphere. The correct option is:

A. EA = 0, EB > EC
B. EA ≠ 0, EB < EC
C. EA = 0, EB = EC
D. EA ≠ 0, EB = EC

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Q46 CHEMISTRY Unit 11: d- and f-Block Elements

The lanthanide ion having four unpaired electrons is (Given : Atomic numbers of Ce = 58, Nd = 60, Tb = 65 and Ho = 67)

↻ Repeated question — also appeared in 2026 (1 set)

A. Tb3+
B. Ho3+
C. Nd3+
D. Ce3+

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Q47 CHEMISTRY Unit 7: Redox Reactions and Electrochemistry

The standard electrode potential (E0) for the half-cell reaction Fe3+ + e- -> Fe2+ at 298 K is (Given: E0(Fe3+/Fe) = -0.04 V and E0(Fe2+/Fe) = -0.44 V at 298 K)

↻ Repeated question — also appeared in 2026 (1 set)

A. -0.48 V
B. +0.92 V
C. +0.40 V
D. +0.76 V

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Q48 CHEMISTRY Unit 7: Redox Reactions and Electrochemistry

Given below are two statements: Statement-I : Heating NaCl with concentrated H2SO4 and MnO2 results in oxidation of Mn. Statement-II : Heating NaI with concentrated H2SO4 and MnO2 results in reduction of Mn. In light of the above statements, choose the most appropriate answer from the options given below:

↻ Repeated question — also appeared in 2026 (1 set)

A. Statement-I is correct but Statement-II is incorrect.
B. Statement-I is incorrect but Statement-II is correct.
C. Both Statement-I and Statement-II are correct.
D. Both Statement-I and Statement-II are incorrect.

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Q49 CHEMISTRY Unit 12: Coordination Compounds

The complex which has facial and meridional isomers is (Given : py = pyridine and en = H2N-CH2-CH2-NH2)

↻ Repeated question — also appeared in 2026 (1 set)

A. [Co(NH3)4(H2O)2]3+
B. [Ni(en)2(H2O)2]2+
C. [Cr(py)3(Cl)3]
D. [Cr(H2O)6]3+

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Q50 CHEMISTRY Unit 15: Hydrocarbons

Among the following, the compound having conjugated double bonds is

↻ Repeated question — also appeared in 2026 (3 sets)

A. hepta-1,5-diene
B. hepta-1,6-diene
C. hepta-1,3-diene
D. hepta-1,4-diene

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Q56 CHEMISTRY Unit 11: d- and f-Block Elements

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Generally, 3d transition metals have high melting points. Reason R: Involvement of 3d-electrons in addition to 4s-electrons in the interatomic metallic bonding. In light of the above statements, choose the most appropriate answer from the options given below:

↻ Repeated question — also appeared in 2026 (1 set)

A. A is correct but R is not correct.
B. A is not correct but R is correct.
C. Both A and R are correct and R is the correct explanation of A.
D. Both A and R are correct and R is NOT the correct explanation of A.

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Q57 CHEMISTRY Unit 12: Coordination Compounds

Among the species given below, the spin-only magnetic moment is highest for (Given: Atomic number of Ti = 22, Mn = 25, Fe = 26 and Co = 27)

A. [Co(NH3)6]3+
B. [Ti(H2O)6]3+
C. [Mn(CN)5]3-
D. [Fe(CN)5]3-

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Q58 CHEMISTRY Unit 12: Coordination Compounds

According to crystal field theory, the correct order of ligands with respect to their decreasing order of field strength is

↻ Repeated question — also appeared in 2026 (2 sets)

A. Cl- > H2O > NH3 > CO
B. Cl- > NH3 > H2O > CO
C. CO > NH3 > H2O > Cl-
D. CO > H2O > NH3 > Cl-

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Q59 CHEMISTRY Unit 12: Coordination Compounds

In potash alum, the ratio of K+ and SO4^2- ions is

↻ Repeated question — also appeared in 2026 (1 set)

A. 2:3
B. 3:2
C. 1:2
D. 2:1

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Q60 CHEMISTRY Unit 9: Classification of Elements and Periodicity in Properties

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The first ionization enthalpy of O is lower than that of N and F. Reason R: The loss of an electron from O leads to stable half-filled p orbital. In light of the above statements, choose the most appropriate answer from the options given below:

↻ Repeated question — also appeared in 2026 (2 sets)

A. A is correct but R is not correct.
B. A is not correct but R is correct.
C. Both A and R are correct and R is the correct explanation of A.
D. Both A and R are correct and R is NOT the correct explanation of A.

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Q61 CHEMISTRY Unit 18: Organic Compounds Containing Nitrogen

Given below are two statements: Statement-I: Oxidation of p-nitrotoluene with acidic KMnO4 gives an acid that is stronger than benzoic acid. Statement-II: Reduction of p-nitrotoluene with Sn/HCl followed by neutralization gives an amine that is more basic than aniline. In light of the above statements, choose the most appropriate answer from the options given below.

↻ Repeated question — also appeared in 2026 (1 set)

A. Statement-I is correct but Statement-II is incorrect.
B. Statement-I is incorrect but Statement-II is correct.
C. Both Statement-I and Statement-II are correct.
D. Both Statement-I and Statement-II are incorrect.

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Q64 CHEMISTRY Unit 6: Equilibrium

The correct order of solubility of the given salts in water at 298 K is Salt | Ksp at 298K AgBr | 5.0x 10-13 Zn(OH)2 | 1.0x 10-15 Hg2Cl2 | 1.3x 10-18

↻ Repeated question — also appeared in 2026 (1 set)

A. Hg2Cl2 > AgBr > Zn(OH)2
B. Zn(OH)2 > AgBr > Hg2Cl2
C. Hg2Cl2 > Zn(OH)2 > AgBr
D. AgBr > Zn(OH)2 > Hg2Cl2

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Q65 CHEMISTRY Unit 12: Coordination Compounds

A 1:3 electrolyte in an aqueous solution is

↻ Repeated question — also appeared in 2026 (1 set)

A. [Co(NH3)5]Cl3
B. [Co(NH3)3(NO2)3]
C. [CoCl2(NH3)4]Cl
D. [CoCl(NH3)5]Cl2

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Q67 CHEMISTRY Unit 14: Some Basic Principles of Organic Chemistry

One of the products formed in the following reaction is

A. OMgn
B. ONH2
C. OD
D. OND

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Q68 CHEMISTRY Unit 7: Redox Reactions and Electrochemistry

In an acidic medium, 10 mL of 0.25 M oxalic acid is titrated with KMnO4 solution. If the volume of KMnO4 solution required to reach end point is 10 mL, the strength of the KMnO4 solution is

A. 0.25 M
B. 0.15 M
C. 0.10 M
D. 0.20 M

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Q69 CHEMISTRY Unit 15: Hydrocarbons

Consider the following reaction sequences and choose the correct option. Ph-C≡C-Me Path 1: Na/liq. NH3 -> K Path 2: Lindlar's Catalyst, H2 -> L K + HBr -> M L + HBr -> N

A. M and N are geometrical isomers
B. M and N are stereoisomers
C. K and L are geometrical isomers
D. K and L are enantiomers

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Q70 CHEMISTRY Unit 14: Some Basic Principles of Organic Chemistry

Arrange the following compounds in the increasing order of polarity A. CH3CH2OCH2CH3 B. CH3CH2OH C. CH3COCH3 D. CH3COOH

↻ Repeated question — also appeared in 2026 (1 set)

A. C < A < B < D
B. A < C < B < D
C. A < B < C < D
D. C < A < D < B

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Q70 CHEMISTRY Unit 3: Chemical Bonding and Molecular Structure

Arrange the following compounds in the increasing order of polarity: A. CH3CH2OCH2CH3 B. CH3CH2OH C. CH3COCH3 D. CH3COOH

A. C < A < B < D
B. A < C < B < D
C. A < B < C < D
D. C < A < D < B

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Q71 PHYSICS Unit 8: Thermodynamics

Consider the reversible processes for 1.0 mol of an ideal gas. Processes 2 and 4 are adiabatic. w1, w2, w3 and w4 represent work done (in calories) in the processes 1, 2, 3 and 4, respectively; ΔU2 and ΔU4 are changes in the internal energy for the processes 2 and 4, respectively. [Use R = 2 cal K-1 mol-1]. The correct option is:

↻ Repeated question — also appeared in 2026 (1 set)

A. w1 + w3 = -2T1 ln(V2/V1) - 2T2 ln(V4/V3)
B. w2 + w4 = ΔU2 - ΔU4
C. w2 = ΔU2
D. w4 = ΔU4

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Q72 CHEMISTRY Unit 11: d- and f-Block Elements

The green paramagnetic species formed by heating KMnO4 at 513 K is:

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A. MnO
B. KO2
C. K2MnO4
D. Mn3O4

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Q73 PHYSICS Unit 1: Physics and Measurement

The numbers 17.0145 and 21.0235 were rounded to three figures after the decimal point. The resulting numbers, respectively, are:

↻ Repeated question — also appeared in 2026 (1 set)

A. 17.014 and 21.024
B. 17.015 and 21.024
C. 17.014 and 21.023
D. 17.015 and 21.023

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Q76 CHEMISTRY Unit 19: Biomolecules

Match the vitamins in List I with their sources in List II: A. Vitamin A -> I. Meat B. Vitamin B12 -> II. Sunflower oil C. Vitamin E -> III. Green leafy vegetables D. Vitamin K -> IV. Carrots

A. A-IV, B-I, C-II, D-III
B. A-III, B-I, C-IV, D-II
C. A-II, B-III, C-IV, D-I
D. A-IV, B-I, C-III, D-II

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Q77 CHEMISTRY Unit 1: Some Basic Concepts in Chemistry

The amount of carbon dioxide evolved upon complete combustion of 116 g of n-butane is (Given: atomic mass in amu H = 1, C = 12 and O = 16):

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A. 176 g
B. 362 g
C. 352 g
D. 322 g

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Q79 CHEMISTRY Unit 9: Classification of Elements and Periodicity in Properties

The correct statement is:

A. Magnesium has a maximum covalency of four.
B. Aluminium has five valence orbitals.
C. Boron has a maximum covalency of four.
D. Beryllium has three valence orbitals.

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Q80 CHEMISTRY Unit 12: Coordination Compounds

The formula of tetraammineaquachloridocobalt(III) chloride is:

↻ Repeated question — also appeared in 2026 (1 set)

A. [Co(NH3)4(H2O)Cl]Cl2
B. [Co(NH3)4(H2O)Cl]Cl
C. [Co(NH3)4(H2O)Cl2]Cl
D. [Co(NH3)4(H2O)2Cl]Cl2

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Q81 CHEMISTRY Unit 5: Solutions

Assertion A: For an ideal solution formed by mixing liquids P and Q, Δmix H = 0 and Δmix V = 0. Reason R: No interactions occur between P and Q.

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A. A is correct but R is not correct
B. A is not correct but R is correct
C. Both A and R are correct and R is the correct explanation of A
D. Both A and R are correct but R is NOT the correct explanation of A

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Q81 CHEMISTRY Unit 5: Solutions

Assertion A: For an ideal solution formed by mixing liquids P and Q, ΔmixH = 0 and ΔmixV = 0. Reason R: No interactions occur between P and Q.

↻ Repeated question — also appeared in 2026 (4 sets)

A. A is correct but R is not correct
B. A is not correct but R is correct
C. Both A and R are correct and R is the correct explanation of A
D. Both A and R are correct but R is NOT the correct explanation of A

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Q85 CHEMISTRY Unit 4: Chemical Thermodynamics

Two moles of an ideal gas undergo free expansion from 10 L to 100 L at 300 K. The values of ΔSsystem and ΔSsurroundings are:

↻ Repeated question — also appeared in 2026 (2 sets)

A. ΔSsystem = 0; ΔSsurroundings = 4.606 R
B. ΔSsystem = 4.606 R; ΔSsurroundings = 0
C. ΔSsystem = 0; ΔSsurroundings = 0
D. ΔSsystem = 4.606 R; ΔSsurroundings = -4.606 R

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Q91 BIOLOGY Unit 6: Reproduction

Given below are two statements: Statement I: Chromosomes are fully condensed at the end of prophase I. Statement II: Meiosis I resembles mitosis.

A. Statement I is correct, but Statement II is false
B. Statement I is incorrect, but Statement II is true
C. Both Statement I and Statement II are true
D. Both Statement I and Statement II are false

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Q92 BIOLOGY Unit 1: Diversity in Living World

Which of the following is not a characteristic of chordates?

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A. Absence of gills
B. Presence of post anal part (tail)
C. Presence of notochord
D. Central nervous system is dorsal

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Q93 BIOLOGY Unit 2: Structural Organisation in Animals and Plants

Phyllotaxy is the pattern of arrangement of ___.

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A. fruits
B. sepals
C. leaves
D. flowers

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Q93 BIOLOGY Unit 2: Structural Organisation in Animals and Plants

Phyllotaxy is the pattern of arrangement of ___.

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A. fruits
B. sepals
C. leaves
D. flowers

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Q95 BIOLOGY Unit 5: Human Physiology

Which one of the following statements is incorrect?

↻ Repeated question — also appeared in 2026 (1 set)

A. Glucagon stimulates glycogenolysis
B. beta-cells of pancreas secrete insulin
C. alpha-cells of pancreas secrete glucagon
D. alpha-cells of pancreas secrete insulin

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Q96 BIOLOGY Unit 1: Diversity in Living World

Match List-I with List-II: A. Fusion of protoplasms between gametes, B. Fusion of two nuclei, C. Generation of haploid spores.

A. A-III, B-II, C-I
B. A-I, B-III, C-II
C. A-II, B-III, C-I
D. A-II, B-I, C-III

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Q96 BIOLOGY Unit 1: Diversity in Living World

Match List-I with List-II. List-I (Process) A. Fusion of protoplasms between gametes B. Fusion of two nuclei C. Generation of haploid spores List-II (Term) I. Meiosis II. Plasmogamy III. Karyogamy

A. A-III, B-II, C-I
B. A-I, B-III, C-II
C. A-II, B-III, C-I
D. A-II, B-I, C-III

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Q97 BIOLOGY Unit 1: Diversity in Living World

Given below are two statements: Statement I: In gymnosperms, the male and female gametophytes remain within the sporangia. Statement II: In gymnosperms, seeds are not covered.

↻ Repeated question — also appeared in 2026 (1 set)

A. Statement I is correct but Statement II is incorrect
B. Statement I is incorrect but Statement II is correct
C. Both Statement I and Statement II are correct
D. Both Statement I and Statement II are incorrect

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Q98 BIOLOGY Unit 2: Structural Organisation in Animals and Plants

In water, frogs respire using ___.

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A. lungs
B. trachea
C. skin
D. buccal cavity

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Q99 BIOLOGY Unit 1: Diversity in Living World

Mad cow disease is caused by ___.

↻ Repeated question — also appeared in 2026 (2 sets)

A. Aspergillus sp.
B. Mycoplasma sp.
C. prions
D. viroids

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Q100 BIOLOGY Unit 4: Plant Physiology

Which of the following statements regarding photorespiration are correct? (a) Do not occur in C3 plants (b) CO2 is consumed and O2 is generated (c) Phosphoglycolate is formed (d) No synthesis of ATP and NADPH

↻ Repeated question — also appeared in 2026 (2 sets)

A. (b) and (d) only
B. (a) and (b) only
C. (a) and (d) only
D. (c) and (d) only

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Q103 BIOLOGY Unit 3: Cell Structure and Function

Mitochondrial inner membrane encloses

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A. mucus
B. aqueous humor
C. matrix
D. cytosol

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Q104 BIOLOGY Unit 5: Human Physiology

Which of the following statements is incorrect?

↻ Repeated question — also appeared in 2026 (4 sets)

A. Fibrin is produced from fibrinogen
B. Fibrinogen is produced from fibrin
C. Blood coagulates in response to an injury
D. Blood clot consists of fibrins

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Q105 BIOLOGY Unit 1: Diversity in Living World

Sphenopsida class belongs to

↻ Repeated question — also appeared in 2026 (2 sets)

A. gymnosperms
B. pteridophytes
C. bryophytes
D. angiosperms

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Q108 BIOLOGY Unit 3: Cell Structure and Function

Smooth endoplasmic reticulum

↻ Repeated question — also appeared in 2026 (3 sets)

A. is actively involved in protein synthesis
B. is a site for the synthesis of carbohydrates
C. has ribosomes attached to its surface
D. is the major site for the synthesis of lipids

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Q109 BIOLOGY Unit 1: Diversity in Living World

Given below are two statements: Statement I: The class name Reptilia refers to creeping or crawling mode of locomotion. Statement II: All organisms belonging to Reptilia have three chambered heart.

A. Statement I is correct but Statement II is incorrect
B. Statement I is incorrect but Statement II is correct
C. Both Statement I and Statement II are correct
D. Both Statement I and Statement II are incorrect

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Q109 BIOLOGY Unit 1: Diversity in Living World

Given below are two statements : Statement I : The class name Reptilia refers to creeping or crawling mode of locomotion. Statement II : All organisms belonging to Reptilia have three chambered heart. In the light of the above statements, choose the most appropriate answer from the options given below :

↻ Repeated question — also appeared in 2026 (2 sets)

A. Statement I is correct but Statement II is incorrect
B. Statement I is incorrect but Statement II is correct
C. Both Statement I and Statement II are correct
D. Both Statement I and Statement II are incorrect

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Q110 BIOLOGY Unit 5: Human Physiology

In frogs, the number of pairs of cranial nerves arising from the brain are

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A. 10
B. 12
C. 6
D. 9

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Q111 BIOLOGY Unit 3: Cell Structure and Function

Cell theory was formulated by

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A. Singer and Nicolson
B. Antonie Von Leeuwenhoek
C. Schleiden and Schwann
D. Robert Brown

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Q111 BIOLOGY Unit 3: Cell Structure and Function

Cell theory was formulated by

↻ Repeated question — also appeared in 2026 (4 sets)

A. Singer and Nicolson
B. Antonie Von Leeuwenhoek
C. Schleiden and Schwann
D. Robert Brown

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Q112 BIOLOGY Unit 5: Human Physiology

Which of the following statements related to pituitary gland are correct ? (a) It is divided anatomically into adenohypophysis and neurohypophysis (b) It secretes follicle stimulating hormone (c) It secretes melanocyte stimulating hormone (d) It does not secrete prolactin

↻ Repeated question — also appeared in 2026 (3 sets)

A. (c) and (d) only
B. (b) and (c) only
C. (a) and (b) only
D. (a), (b) and (c) only

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Q113 BIOLOGY Unit 1: Diversity in Living World

Which of the following is not a prokaryote ?

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A. Mycoplasma
B. Fungi
C. Bacteria
D. Blue green algae

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Q114 BIOLOGY Unit 4: Plant Physiology

Length of the stem at time 0 is 20 cm. The arithmetic growth rate is 30 cm per day. What is the length of the stem at the end of the 7th day ?

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A. 230 cm
B. 460 cm
C. 50 cm
D. 170 cm

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Q115 BIOLOGY Unit 5: Human Physiology

Which of the following is not a part of human central neural system ?

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A. Pia mater
B. Pericardium
C. Arachnoid
D. Dura mater

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Q116 BIOLOGY Unit 4: Plant Physiology

Which of the following plant growth regulators promotes internode elongation prior to flowering in cabbage?

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A. Indole butyric acid
B. Ethephon
C. Abscisic acid
D. Gibberellin

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Q117 BIOLOGY Unit 2: Structural Organisation in Animals and Plants

Match List-I with List-II. List-I: A. Marginal, B. Axile, C. Parietal, D. Free central List-II: I. Argemone, II. Tomato, III. Primrose, IV. Pea

A. A-IV, B-III, C-I, D-II
B. A-IV, B-II, C-I, D-III
C. A-II, B-IV, C-I, D-III
D. A-IV, B-II, C-III, D-I

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Q118 BIOLOGY Unit 4: Plant Physiology

Which of the following plant growth regulators is used as herbicide ?

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A. Abscisic acid
B. Gibberellin
C. 2,4-D
D. Kinetin

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Q119 BIOLOGY Unit 1: Diversity in Living World

Given below are two statements : Statement I : When any plane passing through the central axis of the body divides the organism into two identical halves, it is called radial symmetry. Statement II : In phylum Echinodermata, both adults and larvae are radially symmetrical. In the light of the above statements, choose the most appropriate answer from the options given below :

↻ Repeated question — also appeared in 2026 (1 set)

A. Statement I is correct but Statement II is incorrect
B. Statement I is incorrect but Statement II is correct
C. Both Statement I and Statement II are correct
D. Both Statement I and Statement II are incorrect

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Q120 BIOLOGY Unit 3: Cell Structure and Function

Match List-I with List-II. List-I: A. Starch, B. Antibody, C. Concanavalin A, D. Glut-4 List-II: I. Fights infection, II. Energy storage, III. Glucose transport, IV. Lectin

A. A-II, B-I, C-III, D-IV
B. A-I, B-II, C-III, D-IV
C. A-I, B-II, C-IV, D-III
D. A-II, B-I, C-IV, D-III

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Q121 BIOLOGY Unit 5: Human Physiology

The number of vertebrae in a human is

↻ Repeated question — also appeared in 2026 (1 set)

A. 26
B. 206
C. 7
D. 12

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Q122 BIOLOGY Unit 4: Plant Physiology

Which pigment has absorption peak at 700 nm in the photosynthetic reaction centre PS I (P700) ?

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A. Xanthophylls
B. Carotenoids
C. Chlorophyll b
D. Chlorophyll a

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Q123 BIOLOGY Unit 1: Diversity in Living World

Arrange the following taxonomic categories in ascending order. (a) Genus (b) Class (c) Order (d) Phylum (e) Family (f) Kingdom (g) Species

↻ Repeated question — also appeared in 2026 (1 set)

A. (g), (c), (d), (b), (e), (a), (f)
B. (f), (c), (b), (g), (d), (e), (a)
C. (g), (a), (e), (c), (b), (d), (f)
D. (a), (c), (d), (g), (f), (b), (e)

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Q123 BIOLOGY Unit 1: Diversity in Living World

Arrange the following taxonomic categories in ascending order. (a) Genus (b) Class (c) Order (d) Phylum (e) Family (f) Kingdom (g) Species Choose the correct answer from the options given below :

A. (1) (g), (c), (d), (b), (e), (a), (f)
B. (2) (f), (c), (b), (g), (d), (e), (a)
C. (3) (g), (a), (e), (c), (b), (d), (f)
D. (4) (a), (c), (d), (g), (f), (b), (e)

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Q124 BIOLOGY Unit 1: Diversity in Living World

Match List-I with List-II. List-I: A. Family, B. Genus, C. Class, D. Phylum, E. Order List-II: I. Sapindales, II. Dicotyledonae, III. Anacardiaceae, IV. Angiospermae, V. Mangifera

A. A-II, B-III, C-V, D-I, E-IV
B. A-III, B-V, C-II, D-IV, E-I
C. A-I, B-V, C-II, D-IV, E-III
D. A-II, B-I, C-III, D-IV, E-V

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Q125 BIOLOGY Unit 3: Cell Structure and Function

Arrange the following elements in descending order of their contribution to percentage weight of the human body. (a) Oxygen (b) Carbon (c) Hydrogen (d) Nitrogen

↻ Repeated question — also appeared in 2026 (1 set)

A. (b), (c), (d), (a)
B. (b), (a), (c), (d)
C. (a), (b), (c), (d)
D. (c), (a), (b), (d)

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Q126 BIOLOGY Unit 3: Cell Structure and Function

Match List-I with List-II. List-I List-II A. Cristae I. Flat membrane sacs in stroma of chloroplast B. Cisternae II. Infoldings in mitochondria C. Thylakoids III. Cell membrane D. Phospholipid IV. Disc shaped sacs in the Golgi apparatus Choose the correct answer from the options given below :

↻ Repeated question — also appeared in 2026 (1 set)

A. (1) A-II, B-IV, C-III, D-I
B. (2) A-IV, B-III, C-I, D-II
C. (3) A-III, B-IV, C-I, D-II
D. (4) A-II, B-IV, C-I, D-III

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Q127 BIOLOGY Unit 5: Human Physiology

The number of action potentials generated by sino-arterial node (SAN) in a healthy human is ____ per minute.

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A. (1) 100 - 110
B. (2) 120 - 140
C. (3) 28 - 30
D. (4) 70 - 75

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Q128 BIOLOGY Unit 1: Diversity in Living World

Symbiotic association between fungi and algae are called ____

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A. (1) mycorrhiza
B. (2) chrysophytes
C. (3) lichens
D. (4) sponges

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Q130 BIOLOGY Unit 5: Human Physiology

Which of the following represents the correct sequence of arrangement of bones in the lower limb of humans ?

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A. (1) Femur-patella-tibia-tarsal
B. (2) Femur-tarsal-patella-tibia
C. (3) Femur-tibia-patella-tarsal
D. (4) Patella-femur-tibia-tarsal

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Q131 BIOLOGY Unit 1: Diversity in Living World

Genus represents ____

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A. (1) a group of closely related species
B. (2) a group of closely related families
C. (3) an individual plant or animal
D. (4) a population of plants and animals

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Q133 BIOLOGY Unit 3: Cell Structure and Function

Endomembrane system includes

↻ Repeated question — also appeared in 2026 (2 sets)

A. (1) mitochondria, chloroplast, peroxisomes and vacuole
B. (2) Golgi complex, chloroplast, peroxisomes and vacuole
C. (3) endoplasmic reticulum, Golgi complex, lysosomes and vacuole
D. (4) endoplasmic reticulum, chloroplast, peroxisomes and vacuole

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Q134 BIOLOGY Unit 4: Plant Physiology

Photorespiration reaction catalyzed by RuBisCo is shown below : RuBP + O2 -> 3-Phosphoglycerate + X Identify "X" from the given options :

↻ Repeated question — also appeared in 2026 (3 sets)

A. (1) Oxaloacetate
B. (2) Malate
C. (3) Phosphoenolpyruvate
D. (4) 2-Phosphoglycolate

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Q136 BIOLOGY Unit 5: Human Physiology

Sperm motility is due to ____

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A. (1) amoeboid movement
B. (2) muscular movement
C. (3) flagellar movement
D. (4) ciliary movement

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Q137 BIOLOGY Unit 10: Ecology and Environment

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Abingdon tortoise in Galapagos islands became extinct within a decade after goats were introduced. Reason R : Goats were more efficient at browsing than Abingdon tortoise. In the light of the above statements, choose the most appropriate answer from the options given below :

↻ Repeated question — also appeared in 2026 (2 sets)

A. (1) A is correct but R is not correct
B. (2) A is not correct but R is correct
C. (3) Both A and R are correct and R is the correct explanation of A
D. (4) Both A and R are correct but R is not the correct explanation of A

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Q139 BIOLOGY Unit 5: Human Physiology

Which of the following structure is not a part of the male reproductive system?

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A. (1) Vasa efferentia
B. (2) Infundibulum
C. (3) Rete testis
D. (4) Epididymis

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Q139 BIOLOGY Unit 6: Reproduction

Which of the following structure is not a part of the male reproductive system?

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A. Vasa efferentia
B. Infundibulum
C. Rete testis
D. Epididymis

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Q140 BIOLOGY Unit 6: Reproduction

Which of the following plant produces non-albuminous seeds ?

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A. (1) Barley
B. (2) Pea
C. (3) Wheat
D. (4) Maize

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Q140 BIOLOGY Unit 6: Reproduction

Which of the following plant produces non-albuminous seeds?

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A. Barley
B. Pea
C. Wheat
D. Maize

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Q141 BIOLOGY Unit 3: Cell Structure and Function

Which of the following statements about lac-operon is correct?

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A. Genes i, z, y and a share single common promoter
B. Galactose can act as an inducer of lac operon
C. Gene i is constitutively expressed
D. Lactose activates repressor to bind to the operator

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Q142 BIOLOGY Unit 8: Biology and Human Welfare

Which of the following is used as an effective sedative and painkiller for treating post-surgery patients?

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A. Morphine
B. Anti-retroviral drugs
C. Interferon
D. Antibiotics

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Q143 BIOLOGY Unit 5: Human Physiology

Which of the following is the correct order of arrangement of vertebrate column from the head to toe?

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A. Cervical vertebra, lumbar vertebra, thoracic vertebra, sacrum
B. Cervical vertebra, thoracic vertebra, lumbar vertebra, sacrum
C. Cervical vertebra, thoracic vertebra, sacrum, lumbar vertebra
D. Sacrum, lumbar vertebra, thoracic vertebra, cervical vertebra

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Q144 BIOLOGY Unit 5: Human Physiology

Muscle contraction is initiated by a signal sent by the central nervous system by the release of _____

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A. cyclic guanine monophosphate
B. cyclic adenine monophosphate
C. acetyl choline
D. acetyl coenzyme A

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Q145 BIOLOGY Unit 7: Genetics and Evolution

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Forelimbs of human and bats are homologous. Reason R: Forelimbs of humans and bats have similar anatomical structure.

A. A is true but R is false
B. A is false but R is true
C. Both A and R are correct and R is the correct explanation of A
D. Both A and R are true, but R is not the correct explanation of A

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Q146 BIOLOGY Unit 7: Genetics and Evolution

Given below are two statements: Statement I: Down's syndrome is caused by the absence of one of the X-chromosomes. Statement II: Turner's syndrome is caused by the presence of an additional copy of the chromosomes.

A. Statement I is correct but Statement II is incorrect
B. Statement I is incorrect but Statement II is correct
C. Both Statement I and Statement II are correct
D. Both Statement I and Statement II are incorrect

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Q147 BIOLOGY Unit 5: Human Physiology

Which of the following statements about the reabsorption process in Henle's loop are correct? (a) The descending limb of Henle's loop is permeable to water but almost impermeable to electrolytes. (b) Urine gets concentrated in Henle's loop. (c) Reabsorption of Na+ and water takes place in Henle's loop. (d) Active or passive transport of electrolytes occurs in the ascending limb of Henle's loop.

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A. (a), (b) and (c) only
B. (a), (b) and (d) only
C. (a) and (b) only
D. (b), (c) and (d) only

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Q148 BIOLOGY Unit 6: Reproduction

If the diploid chromosome number of typical angiosperm is 36, what would be the chromosome number in its endosperm?

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A. 54
B. 72
C. 18
D. 36

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Q148 BIOLOGY Unit 6: Reproduction

If the diploid chromosome number of a typical angiosperm is 36, what would be the chromosome number in its endosperm?

↻ Repeated question — also appeared in 2026 (4 sets)

A. 54
B. 72
C. 18
D. 36

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Q149 BIOLOGY Unit 10: Ecology and Environment

Arrange the following in descending order of number of species in the Amazonian rain forest. (a) Plants (b) Birds (c) Fishes (d) Invertebrates (e) Mammals

↻ Repeated question — also appeared in 2026 (1 set)

A. (e) > (b) > (a) > (c) > (d)
B. (b) > (a) > (d) > (c) > (e)
C. (c) > (b) > (d) > (e) > (a)
D. (d) > (a) > (c) > (b) > (e)

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Q150 BIOLOGY Unit 7: Genetics and Evolution

A population of diploid organisms is at Hardy-Weinberg equilibrium. If the frequency of allele A is 0.1, the frequency of AA is _____

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A. 0.10
B. 0.99
C. 0.01
D. 0.02

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Q150 BIOLOGY Unit 7: Genetics and Evolution

A population of diploid organisms is at Hardy-Weinberg equilibrium. If the frequency of allele A is 0.1, the frequency of AA is ____.

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A. 0.10
B. 0.99
C. 0.01
D. 0.02

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Q151 BIOLOGY Unit 5: Human Physiology

The opening between the right atrium and the right ventricle is guarded by

↻ Repeated question — also appeared in 2026 (4 sets)

A. semilunar valve
B. sino-atrial node
C. bicuspid valve
D. tricuspid valve

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Q151 BIOLOGY Unit 5: Human Physiology

The opening between the right atrium and the right ventricle is guarded by

↻ Repeated question — also appeared in 2026 (4 sets)

A. semilunar valve
B. sino-atrial node
C. bicuspid valve
D. tricuspid valve

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Q152 BIOLOGY Unit 3: Cell Structure and Function

Which of the following enzymes synthesizes precursor mRNA?

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A. RNA polymerase III
B. DNA polymerase
C. RNA polymerase I
D. RNA polymerase II

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Q152 BIOLOGY Unit 3: Cell Structure and Function

Which of the following enzymes synthesizes precursor mRNA?

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A. RNA polymerase III
B. DNA polymerase
C. RNA polymerase I
D. RNA polymerase II

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Q153 BIOLOGY Unit 9: Biotechnology and Its Applications

Assertion A : In recombinant DNA technology, lysozyme is used for disrupting bacterial cells while cellulase is for plant cells. Reason R : Isolation of genetic material needs disruption of cells.

A. A is correct but R is not correct
B. A is not correct but R is correct
C. Both A and R are correct and R is the correct explanation of A
D. Both A and R are correct but R is not the correct explanation of A

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Q154 BIOLOGY Unit 6: Reproduction

Which of the following hormone is not secreted by human placenta?

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A. Progesterone
B. LH
C. hCG
D. Estrogen

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Q155 BIOLOGY Unit 5: Human Physiology

Colostrum, secreted by mother during initial days of lactation, is abundant in

↻ Repeated question — also appeared in 2026 (2 sets)

A. IgA
B. IgD
C. IgG
D. IgM

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Q157 BIOLOGY Unit 9: Biotechnology and Its Applications

Statement I: Plasmids are autonomously replicating DNA. Statement II: Plasmids are extrachromosomal DNA.

↻ Repeated question — also appeared in 2026 (1 set)

A. Statement I is correct but Statement II is incorrect
B. Statement I is incorrect but Statement II is correct
C. Both Statement I and Statement II are correct
D. Both Statement I and Statement II are incorrect

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Q158 BIOLOGY Unit 9: Biotechnology and Its Applications

During PCR, primers bind to the DNA strands in the ____ step.

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A. annealing
B. ligation
C. denaturation
D. extension

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Q160 BIOLOGY Unit 7: Genetics and Evolution

Adaptive radiation in placental mammals and Australian Marsupials leading to similarity between distant species is an example of ____.

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A. founder effect
B. genetic drift
C. divergent evolution
D. convergent evolution

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Q161 BIOLOGY Unit 6: Reproduction

The covering of ovum at ovulation

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A. zona pellucida
B. chorion
C. endometrium
D. zona radiata

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Q162 BIOLOGY Unit 10: Ecology and Environment

Which of the following statements are correct? (a) Energy flow from producers to consumers is unidirectional (b) Energy pyramid can never be inverted (c) Transfer of energy follows the 1% law

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A. (a) and (c) only
B. (b) and (c) only
C. (a), (b) and (c)
D. (a) and (b) only

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Q163 BIOLOGY Unit 6: Reproduction

How many theca are present in each lobe of a typical bilobed angiosperm anther?

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A. 8
B. 12
C. 2
D. 6

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Q163 BIOLOGY Unit 6: Reproduction

How many theca are present in each lobe of a typical bilobed angiosperm anther?

↻ Repeated question — also appeared in 2026 (3 sets)

A. 8
B. 12
C. 2
D. 6

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Q164 BIOLOGY Unit 8: Biology and Human Welfare

Which of the following statements is correct about Plasmodium?

↻ Repeated question — also appeared in 2026 (4 sets)

A. Gametocytes develop in mosquito gut
B. Fertilization takes place in mosquito gut
C. Reproduces sexually in liver cells
D. Reproduces sexually in RBCs

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Q164 BIOLOGY Unit 8: Biology and Human Welfare

Which of the following statements is correct about Plasmodium?

↻ Repeated question — also appeared in 2026 (4 sets)

A. Gametocytes develop in mosquito gut
B. Fertilization takes place in mosquito gut
C. Reproduces sexually in liver cells
D. Reproduces sexually in RBCs

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Q165 BIOLOGY Unit 7: Genetics and Evolution

For a person with blood group 'O', which of the following is not a possible combination of parents' blood group genotypes?

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A. Father : I^B i and Mother : I^B i
B. Father : I^A I^B and Mother : I^A i
C. Father : I^A i and Mother : I^B i
D. Father : I^A i and Mother : I^A i

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Q166 BIOLOGY Unit 8: Biology and Human Welfare

Which of the following is used as a clot buster?

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A. Cyclosporin A
B. Statins
C. Streptokinase
D. Penicillin

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Q166 BIOLOGY Unit 8: Biology and Human Welfare

Which of the following is used as a clot buster?

↻ Repeated question — also appeared in 2026 (4 sets)

A. Cyclosporin A
B. Statins
C. Streptokinase
D. Penicillin

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Q167 BIOLOGY Unit 8: Biology and Human Welfare

Which of the following disease is not sexually transmitted?

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A. Gonorrhoea
B. Genital warts
C. Syphilis
D. Tuberculosis

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Q167 BIOLOGY Unit 5: Human Physiology

Which of the following disease is not sexually transmitted?

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A. Gonorrhoea
B. Genital warts
C. Syphilis
D. Tuberculosis

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Q169 BIOLOGY Unit 6: Reproduction

The method of directly injecting a sperm into ovum in assisted reproductive technology is called:

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A. Intra cytoplasmic sperm injection (ICSI)
B. Embryo transfer (ET)
C. Gamete intra fallopian transfer (GIFT)
D. Zygote intra fallopian transfer (ZIFT)

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Q170 BIOLOGY Unit 9: Biotechnology and Its Applications

The inactive form of Bt toxin is converted to the active form in the insect gut ___

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A. by proteases
B. by nucleases
C. due to alkaline pH
D. due to acidic pH

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Q172 BIOLOGY Unit 8: Biology and Human Welfare

Which of the following are secondary lymphoid organs?

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A. Bone marrow
B. Tonsils
C. Spleen
D. Thymus

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Q173 BIOLOGY Unit 6: Reproduction

Which of the following in female gametophyte of an angiosperm helps in guiding the pollen tube for fertilizing the eggs?

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A. Central cells
B. Polar nucleus
C. Antipodals
D. Synergids

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Q175 BIOLOGY Unit 7: Genetics and Evolution

Given below are two statements Statement I : Modern Homo sapiens arose in Australia and moved across continents. Statement II : Homo sapiens arose around 75000 to 10000 years ago. In the light of the above statements, choose the most appropriate answer from the options given below :

↻ Repeated question — also appeared in 2026 (3 sets)

A. Statement I is correct but Statement II is incorrect
B. Statement I is incorrect but Statement II is correct
C. Both Statement I and Statement II are correct
D. Both Statement I and Statement II are incorrect

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Q176 BIOLOGY Unit 10: Ecology and Environment

Which of the following are primary consumers in a food chain?

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A. Herbivores
B. Carnivores
C. Parasites
D. Predators

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Q176 BIOLOGY Unit 10: Ecology and Environment

Which of the following are primary consumers in a food chain ?

↻ Repeated question — also appeared in 2026 (4 sets)

A. Herbivores
B. Carnivores
C. Parasites
D. Predators

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Q177 BIOLOGY Unit 7: Genetics and Evolution

Which of the following is not evidence for evolution ?

↻ Repeated question — also appeared in 2026 (3 sets)

A. Embryological support for evolution as proposed by Ernst Heckel
B. Divergent evolution of anatomical structures such as forelimbs
C. Convergent evolution of traits like wings of birds and butterflies
D. Paleontological evidence from fossil records

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Q178 BIOLOGY Unit 1: Diversity in Living World

Sponges exchange O2 with CO2 by

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A. tracheal tubes
B. gills
C. simple diffusion over their entire body surfaces
D. moist cuticle

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Q178 BIOLOGY Unit 5: Human Physiology

Sponges exchange O2 with CO2 by

↻ Repeated question — also appeared in 2026 (2 sets)

A. tracheal tubes
B. gills
C. simple diffusion over their entire body surfaces
D. moist cuticle

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Q179 BIOLOGY Unit 5: Human Physiology

Match List-I with List-II. List-I (Hormones) List-II (Functions/Conditions) A. Excess growth hormone | I. Reabsorption of water and electrolytes in kidney B. Luteinizing hormone | II. Contraction of uterus during child birth C. Vasopressin | III. Acromegaly D. Oxytocin | IV. Ovulation

A. A-II, B-IV, C-I, D-III
B. A-IV, B-III, C-I, D-II
C. A-III, B-IV, C-I, D-II
D. A-III, B-IV, C-I, D-II

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Q180 BIOLOGY Unit 7: Genetics and Evolution

Natural selection can lead to (a) stabilisation (b) genetic drift (c) directional change (d) disruption Choose the correct answer from the options given below :

↻ Repeated question — also appeared in 2026 (1 set)

A. (a), (b), (c) and (d)
B. (a) and (c) only
C. (a) only
D. (a), (c) and (d) only

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