Tamil Nadu Board - Class 3 previous year questions (PYQ)

2026 (1276 questions)

Q1.

What is the sum of 21 and 41?

(A)

61

(B)

72

(C)

62

(D)

63

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Q2.

What is 76 minus 21?

(A)

54

(B)

60

(C)

55

(D)

56

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2025 (169 questions)

Q1.

In English Language and Grammar, identify the grammatically correct sentence or rule regarding Active to Passive voice transformation: 'The government has constructed a new bridge across the river.'.

(A)

A new bridge was constructed across the river by the government.

(B)

A new bridge is being constructed across the river by the government.

(C)

A new bridge had been constructed across the river by the government.

(D)

A new bridge has been constructed across the river by the government.

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Q2.

In Chemistry, examine the topic of Oxidation state of Manganese in Potassium Permanganate ($KMnO_4$). Which statement is scientifically accurate?

(A)

+6

(B)

+2

(C)

+7

(D)

+4

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2024 (245 questions)

Q1.

What is 30 minus 17?

(A)

18

(B)

13

(C)

12

(D)

14

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Q2.

In Physics, consider the Condition for Total Internal Reflection (TIR) to occur at an interface. Which statement correctly defines this principle?

(A)

Light travels from rarer to denser medium with $i < i_c$

(B)

Light must travel from an optically denser to rarer medium and angle of incidence must exceed critical angle ($i > i_c$)

(C)

Light must be monochromatic and linearly polarized

(D)

Angle of incidence must equal angle of refraction ($i = r$)

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2023 (264 questions)

Q1.

In English Language and Grammar, identify the grammatically correct sentence or rule regarding Idiom meaning: 'Bite the bullet'.

(A)

To shoot an accurate target

(B)

To retreat from an impending danger

(C)

To face a difficult or unpleasant situation with courage and fortitude

(D)

To eat something very hard

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Q2.

In Biological Sciences, identify the accurate description regarding Primary photosynthetic pigment responsible for absorbing blue and red light wavelengths.

(A)

Carotenoids

(B)

Chlorophyll a

(C)

Anthocyanin

(D)

Phycobilin

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2022 (185 questions)

Q1.

Basic Operations: What is the first step when adding or subtracting in 'Time and Fraction Introduction'?

(A)

Start from the units (ones) place and carry over/regroup to the tens place (Time and Fraction Introduction)

(B)

Start from the hundreds place

(C)

Reverse the digits

(D)

None of these

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Q2.

Regarding Tamil (தமிழ்), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)

Maximizing industrial waste output

(B)

Accelerating deforestation for urban sprawl

(C)

Eliminating apex predators from natural habitats

(D)

Maintaining ecological equilibrium, nutrient cycling, and climate regulation

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2021 (183 questions)

Q1.

In Biological Sciences, identify the accurate description regarding Primary photosynthetic pigment responsible for absorbing blue and red light wavelengths.

(A)

Chlorophyll a

(B)

Carotenoids

(C)

Anthocyanin

(D)

Phycobilin

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Q2.

In Chemistry, examine the topic of Reagent used to distinguish between aldehydes and ketones. Which statement is scientifically accurate?

(A)

Neutral FeCl3 solution

(B)

Tollens' reagent (Ammoniacal Silver Nitrate) which gives a silver mirror with aldehydes

(C)

Lucas reagent

(D)

Ninhydrin reagent

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2020 (186 questions)

Q1.

Regarding Tamil (தமிழ்), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)

Accelerating deforestation for urban sprawl

(B)

Eliminating apex predators from natural habitats

(C)

Maintaining ecological equilibrium, nutrient cycling, and climate regulation

(D)

Maximizing industrial waste output

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Q2.

In Biological Sciences, identify the accurate description regarding Primary photosynthetic pigment responsible for absorbing blue and red light wavelengths.

(A)

Carotenoids

(B)

Anthocyanin

(C)

Phycobilin

(D)

Chlorophyll a

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2019 (174 questions)

Q1.

In English Language and Grammar, identify the grammatically correct sentence or rule regarding Idiom meaning: 'Bite the bullet'.

(A)

To retreat from an impending danger

(B)

To eat something very hard

(C)

To face a difficult or unpleasant situation with courage and fortitude

(D)

To shoot an accurate target

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Q2.

Regarding Tamil (தமிழ்), which statement represents a core foundational principle of Role of fundamental duties in the constitutional civic framework?

(A)

Granting absolute immunity from civil laws

(B)

Mandating foreign citizenship upon majority

(C)

Allowing tax evasion under certain conditions

(D)

Fostering civic consciousness, preserving national integrity, and protecting the environment

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2018 (178 questions)

Q1.

Regarding Tamil (தமிழ்), which statement represents a core foundational principle of Correct grammatical structure of affirmative sentences?

(A)

Verb + Subject + Object

(B)

Object + Verb + Subject

(C)

Object + Subject + Verb

(D)

Subject + Verb + Object in standard grammatical syntax

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Q2.

What is 75 minus 68?

(A)

12

(B)

6

(C)

8

(D)

7

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2017 (183 questions)

Q1.

In Chemistry, examine the topic of Reagent used to distinguish between aldehydes and ketones. Which statement is scientifically accurate?

(A)

Lucas reagent

(B)

Neutral FeCl3 solution

(C)

Tollens' reagent (Ammoniacal Silver Nitrate) which gives a silver mirror with aldehydes

(D)

Ninhydrin reagent

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Q2.

Water and Atmosphere: What is the most effective water conservation technique in 'Tenses (Simple Present/Past)'?

(A)

Rainwater harvesting (RWH) and traditional tanks (Eris) (Tenses (Simple Present/Past))

(B)

Wasting water

(C)

Dumping waste

(D)

None of these

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2016 (174 questions)

Q1.

In Physics, consider the Work-Energy Theorem statement for a particle. Which statement correctly defines this principle?

(A)

Work done equals rate of change of momentum

(B)

Work done equals change in potential energy only

(C)

Work done is always zero under variable forces

(D)

Work done by all forces acting on a particle equals the change in its kinetic energy ($W = \Delta K$)

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Q2.

In English Language and Grammar, identify the grammatically correct sentence or rule regarding Subject-Verb Agreement with distributive pronouns ('neither of', 'either of').

(A)

Neither of the candidates have submitted the required documentation.

(B)

Neither of the candidates has submitted the required documentation.

(C)

Neither of the candidates were submitted documentation.

(D)

Neither of the candidates are submitting the documentation.

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2015 (189 questions)

Q1.

Regarding Tamil (தமிழ்), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)

Accelerating deforestation for urban sprawl

(B)

Maintaining ecological equilibrium, nutrient cycling, and climate regulation

(C)

Eliminating apex predators from natural habitats

(D)

Maximizing industrial waste output

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Q2.

In English Language and Grammar, identify the grammatically correct sentence or rule regarding Subject-Verb Agreement with distributive pronouns ('neither of', 'either of').

(A)

Neither of the candidates have submitted the required documentation.

(B)

Neither of the candidates were submitted documentation.

(C)

Neither of the candidates are submitting the documentation.

(D)

Neither of the candidates has submitted the required documentation.

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