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Tamil Nadu Board - Class 10 (SSLC) previous year questions (PYQ)

8,552 previous year Tamil Nadu Board - Class 10 (SSLC) questions, grouped by year, with answers and solutions.

2026 (1531 questions)

Q1.
Regarding Tamil (தமிழ் - பத்தாம் வகுப்பு SSLC), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)
Eliminating apex predators from natural habitats
(B)
Maintaining ecological equilibrium, nutrient cycling, and climate regulation
(C)
Maximizing industrial waste output
(D)
Accelerating deforestation for urban sprawl
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Q2.
Regarding Tamil (தமிழ் - பத்தாம் வகுப்பு SSLC), which statement represents a core foundational principle of Correct grammatical structure of affirmative sentences?

(A)
Verb + Subject + Object
(B)
Object + Subject + Verb
(C)
Subject + Verb + Object in standard grammatical syntax
(D)
Object + Verb + Subject
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2025 (571 questions)

Q1.
In English Language and Grammar, identify the grammatically correct sentence or rule regarding Conditional Clause Type 3 structure for hypothetical past situations.

(A)
If they would alert the authorities, the accident had been prevented.
(B)
If they alerted the authorities earlier, the accident will be prevented.
(C)
If they had alerted the authorities earlier, the accident would have been prevented.
(D)
If they have alerted the authorities, the accident would prevent.
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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 are submitting the documentation.
(B)
Neither of the candidates were submitted documentation.
(C)
Neither of the candidates has submitted the required documentation.
(D)
Neither of the candidates have submitted the required documentation.
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2024 (1172 questions)

Q1.

தமிழ் (சமச்சீர் கல்வி): 'திருக்குறள்' பாடலின் அல்லது கதையின் மையக் கருத்து யாது?


(A)
தமிழ் உணர்வு, இயற்கை நேசம், ஒழுக்கம் மற்றும் நீதி போதனை (திருக்குறள்)
(B)
சோம்பேறித்தனம்
(C)
தவறான செயல்
(D)
இவற்றுள் எதுவுமில்லை
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Q2.
Calculate 6 × 4.

(A)
30
(B)
26
(C)
20
(D)
24
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2023 (1127 questions)

Q1.
In Physics, consider the Faraday's Law of Electromagnetic Induction equation. Which statement correctly defines this principle?

(A)
\mathcal{E} = -N \frac{d\Phi_B}{dt}, where negative sign represents Lenz's Law
(B)
\mathcal{E} = N I R
(C)
\mathcal{E} = -\frac{N}{d\Phi_B/dt}
(D)
\mathcal{E} = N \Phi_B t
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Q2.
In Biological Sciences, identify the accurate description regarding Phenotypic ratio of a classic Mendelian monohybrid cross in the F2 generation.

(A)
9 : 3 : 3 : 1
(B)
1 : 1 : 1 : 1
(C)
3 : 1 (Dominant to Recessive phenotype)
(D)
1 : 2 : 1
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2022 (530 questions)

Q1.
Calculate 9 × 6.

(A)
54
(B)
63
(C)
48
(D)
56
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Q2.

Disaster Safety: What is the primary safety protocol during 'The Night the Ghost Got In' (cyclone, flood, or tsunami)?


(A)
Move to higher safe shelters, listen to warning bulletins, and switch off power mains (The Night the Ghost Got In)
(B)
Go to the seashore
(C)
Spread rumours
(D)
None of these
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2021 (520 questions)

Q1.

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): The quadratic equation $x^2 - 6x + 9 = 0$ has real and equal roots.

Reason (R): A quadratic equation $ax^2 + bx + c = 0$ has real and equal roots if and only if its discriminant $D = b^2 - 4ac = 0$.


(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(C)
Assertion (A) is true but Reason (R) is false.
(D)
Assertion (A) is false but Reason (R) is true.
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Q2.
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 is being constructed across the river by the government.
(B)
A new bridge has been constructed across the river by the government.
(C)
A new bridge had been constructed across the river by the government.
(D)
A new bridge was constructed across the river by the government.
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2020 (558 questions)

Q1.

Disaster Safety: What is the primary safety protocol during 'Plant Anatomy and Plant Physiology (Tissues, Photosynthesis, Respiration)' (cyclone, flood, or tsunami)?


(A)
Move to higher safe shelters, listen to warning bulletins, and switch off power mains (Plant Anatomy and Plant Physiology (Tissues, Photosynthesis, Respiration))
(B)
Go to the seashore
(C)
Spread rumours
(D)
None of these
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Q2.

Environmental Studies / Science: How is 'Anti-Colonial Movements and the Birth of Nationalism' connected to our daily life and ecosystem?


(A)
Conservation of natural resources and environmental hygiene (Anti-Colonial Movements and the Birth of Nationalism)
(B)
Increasing pollution
(C)
No connection
(D)
None of these
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2019 (505 questions)

Q1.

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): The Simon Commission was met with widespread nationwide boycotts and black flag protests upon landing in Bombay in 1928.

Reason (R): The British colonial government failed to appoint a single Indian representative to the seven-member Indian Statutory Commission.


(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(C)
Assertion (A) is true but Reason (R) is false.
(D)
Assertion (A) is false but Reason (R) is true.
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Q2.
In Physics, consider the Ohm's Law relationship between voltage $V$, current $I$, and resistance $R$. Which statement correctly defines this principle?

(A)
V = I / R
(B)
V = R / I
(C)
V = I^2 R
(D)
V = IR, where resistance remains constant at constant temperature
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2018 (517 questions)

Q1.

எழுத்துப் பிழை திருத்தம்: 'சிலப்பதிகாரம் (இளங்கோவடிகள்)' சொல்லின் பிழையற்ற தூய வடிவம் எது?


(A)
சரியான குறில்-நெடில், ரகர-றகர, லகர-ளகர வேறுபாடுள்ள தூய வடிவம் (சிலப்பதிகாரம் (இளங்கோவடிகள்))
(B)
பிழையான வடிவம்
(C)
தவறான எழுத்து
(D)
இவற்றுள் எதுவுமில்லை
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Q2.
Regarding Tamil (தமிழ் - பத்தாம் வகுப்பு SSLC), 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)
Maintaining ecological equilibrium, nutrient cycling, and climate regulation
(D)
Accelerating deforestation for urban sprawl
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2017 (509 questions)

Q1.

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): An agreement entered into without lawful consideration is void ab initio under Section 25 of the Indian Contract Act 1872.

Reason (R): Lawful consideration is a mandatory statutory pillar of contractual enforceability under the legal maxim *ex nudo pacto non oritur actio*.


(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(C)
Assertion (A) is true but Reason (R) is false.
(D)
Assertion (A) is false but Reason (R) is true.
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Q2.
In Chemistry, examine the topic of Catalyst used in the Haber-Bosch process for industrial synthesis of Ammonia ($N_2 + 3H_2 \rightleftharpoons 2NH_3$). Which statement is scientifically accurate?

(A)
Vanadium pentoxide (V2O5)
(B)
Nickel (Ni) in Raney form
(C)
Platinum gauze (Pt)
(D)
Finely divided Iron (Fe) with Molybdenum (Mo) or K2O/Al2O3 as promoter
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2016 (507 questions)

Q1.
What is 49 minus 21?

(A)
27
(B)
33
(C)
28
(D)
29
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Q2.

Multiplication and Division: What is the accurate result for the word problem in 'Relations and Functions (Cartesian Product, Types of Functions, Composition)'?


(A)
Accurate product or quotient following standard multiplication tables (Relations and Functions (Cartesian Product, Types of Functions, Composition))
(B)
Rough guess
(C)
Negative integer
(D)
None of these
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2015 (505 questions)

Q1.

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): The value of $\sin\theta$ cannot exceed 1 for any real angle $\theta$.

Reason (R): In any right-angled triangle, the hypotenuse is the strictly longest side, ensuring the ratio $\text{Perpendicular}/\text{Hypotenuse} \le 1$.


(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(C)
Assertion (A) is true but Reason (R) is false.
(D)
Assertion (A) is false but Reason (R) is true.
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Q2.

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): The value of $\sin\theta$ cannot exceed 1 for any real angle $\theta$.

Reason (R): In any right-angled triangle, the hypotenuse is the strictly longest side, ensuring the ratio $\text{Perpendicular}/\text{Hypotenuse} \le 1$.


(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(B)
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(C)
Assertion (A) is true but Reason (R) is false.
(D)
Assertion (A) is false but Reason (R) is true.
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