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

2026 (1276 questions)

Q1.

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

(A)

Allowing tax evasion under certain conditions

(B)

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

(C)

Mandating foreign citizenship upon majority

(D)

Granting absolute immunity from civil laws

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

In Physics, consider the Newton's second law of motion mathematical formulation. Which statement correctly defines this principle?

(A)

Force equals change in kinetic energy

(B)

Force equals momentum multiplied by velocity

(C)

Force equals mass divided by acceleration ($F = m/a$)

(D)

Force equals rate of change of linear momentum ($F = \frac{dp}{dt} = ma$)

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2025 (169 questions)

Q1.

In English Language and Grammar, identify the grammatically correct sentence or rule regarding Appropriate preposition: 'He was thoroughly accustomed _____ working under strict deadlines.'.

(A)

in

(B)

with

(C)

to

(D)

for

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

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

(A)

+2

(B)

+4

(C)

+6

(D)

+7

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2024 (245 questions)

Q1.

In English Language and Grammar, identify the grammatically correct sentence or rule regarding Appropriate preposition: 'He was thoroughly accustomed _____ working under strict deadlines.'.

(A)

with

(B)

in

(C)

to

(D)

for

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

Calculate 4 × 7.

(A)

21

(B)

32

(C)

30

(D)

28

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2023 (264 questions)

Q1.

In Biological Sciences, identify the accurate description regarding Structural and functional filtration unit of the human kidney.

(A)

Hepatic lobule

(B)

Alveolus

(C)

Neuron

(D)

Nephron, consisting of glomerulus, Bowman's capsule, and renal tubule

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

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

(A)

Anthocyanin

(B)

Chlorophyll a

(C)

Phycobilin

(D)

Carotenoids

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2022 (185 questions)

Q1.

Basic Operations: What is the first step when adding or subtracting in 'Division Basics'?

(A)

Start from the units (ones) place and carry over/regroup to the tens place (Division Basics)

(B)

Start from the hundreds place

(C)

Reverse the digits

(D)

None of these

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

What is the sum of 46 and 77?

(A)

123

(B)

124

(C)

122

(D)

133

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2021 (183 questions)

Q1.

In Chemistry, examine the topic of Type of chemical bond formed by complete transfer of electrons between atoms of high electronegativity difference. Which statement is scientifically accurate?

(A)

Coordinate (Dative) Bond

(B)

Hydrogen Bond

(C)

Covalent Bond

(D)

Electrovalent (Ionic) Bond

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

In English Language and Grammar, identify the grammatically correct sentence or rule regarding Direct to Indirect speech conversion: She said, 'I am studying for my board examination.'.

(A)

She said that she is studying for her board examination.

(B)

She says that she was studying for her board examination.

(C)

She said that she was studying for her board examination.

(D)

She said that she had studied for her board examination.

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2020 (186 questions)

Q1.

What is 55 minus 48?

(A)

6

(B)

7

(C)

12

(D)

8

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

Multiplication and Division: What is the accurate result for the word problem in 'Division Basics'?

(A)

Accurate product or quotient following standard multiplication tables (Division Basics)

(B)

Rough guess

(C)

Negative integer

(D)

None of these

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2019 (174 questions)

Q1.

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

(A)

To face a difficult or unpleasant situation with courage and fortitude

(B)

To retreat from an impending danger

(C)

To eat something very hard

(D)

To shoot an accurate target

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

In English Language and Grammar, identify the grammatically correct sentence or rule regarding Direct to Indirect speech conversion: She said, 'I am studying for my board examination.'.

(A)

She said that she is studying for her board examination.

(B)

She says that she was studying for her board examination.

(C)

She said that she had studied for her board examination.

(D)

She said that she was studying for her board examination.

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2018 (178 questions)

Q1.

In Biological Sciences, identify the accurate description regarding Powerhouse of the eukaryotic cell responsible for cellular respiration and ATP synthesis.

(A)

Golgi apparatus, packaging lipids

(B)

Ribosomes, synthesizing proteins

(C)

Mitochondria, containing enzymes for the Krebs cycle and oxidative phosphorylation

(D)

Lysosomes, digesting cellular debris

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

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

(A)

Eliminating apex predators from natural habitats

(B)

Maximizing industrial waste output

(C)

Accelerating deforestation for urban sprawl

(D)

Maintaining ecological equilibrium, nutrient cycling, and climate regulation

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2017 (183 questions)

Q1.

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

(A)

Object + Subject + Verb

(B)

Subject + Verb + Object in standard grammatical syntax

(C)

Object + Verb + Subject

(D)

Verb + Subject + Object

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

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

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2016 (174 questions)

Q1.

Calculate 12 × 9.

(A)

108

(B)

110

(C)

120

(D)

99

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

In Chemistry, examine the topic of Avogadro's number and definition of one mole of a substance. Which statement is scientifically accurate?

(A)

6.022 \times 10^{22} particles

(B)

6.022 \times 10^{23} elementary entities (atoms, molecules, or ions)

(C)

011 \times 10^{23} particles

(D)

602 \times 10^{-19} particles

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2015 (189 questions)

Q1.

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)

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

(C)

Allowing tax evasion under certain conditions

(D)

Mandating foreign citizenship upon majority

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

Living World: What is the key adaptive feature of plants or animals in 'Road Safety'?

(A)

Natural adaptations for food, habitat, and survival (Road Safety)

(B)

Behaving like non-living matter

(C)

No respiration

(D)

None of these

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view