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West Bengal Board - Class 9 previous year questions (PYQ)

9,139 previous year West Bengal Board - Class 9 questions, grouped by year, with answers and solutions.

2026 (3350 questions)

Q1.
For a moderately skewed frequency distribution, if the Median is 46 and Mean is 44, find the empirical Mode.

(A)
50
(B)
46
(C)
90
(D)
53
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Q2.
Calculate the volume of a right circular cylinder having radius $r = 7\text{ cm}$ and height $h = 13\text{ cm}$ (use $\pi = \frac{22}{7}$).

(A)
2112 cm³
(B)
1848 cm³
(C)
2002 cm³
(D)
1334 cm³
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2025 (477 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 alerted the authorities earlier, the accident will be prevented.
(B)
If they had alerted the authorities earlier, the accident would have been prevented.
(C)
If they would alert the authorities, the accident had been prevented.
(D)
If they have alerted the authorities, the accident would prevent.
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Q2.
In Social Science / Indian Studies, identify the historically and geographically correct fact regarding Year of the historic Dandi March (Salt Satyagraha) led by Mahatma Gandhi.

(A)
1919 (Rowlatt Satyagraha)
(B)
1920 (Non-Cooperation Movement)
(C)
1942 (Quit India Movement)
(D)
1930 (commenced from Sabarmati Ashram on March 12, 1930)
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2024 (837 questions)

Q1.
In Social Science / Indian Studies, identify the historically and geographically correct fact regarding Article of the Indian Constitution known as the 'Heart and Soul of the Constitution' (Right to Constitutional Remedies).

(A)
Article 14 (Equality before Law)
(B)
Article 21 (Protection of Life and Personal Liberty)
(C)
Article 19 (Right to Freedom)
(D)
Article 32, empowering citizens to approach the Supreme Court via writs (Habeas Corpus, Mandamus, etc.)
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Q2.

Refer to the Case Study 'Case Study: Hazardous Enterprise and Supreme Court Doctrine of Absolute Liability' to answer:

What measure of financial compensation did the Supreme Court establish in the M.C. Mehta Oleum Gas case?


(A)
The measure of damages must be exemplary and correlated to the financial magnitude and wealth of the enterprise
(B)
Damages are strictly limited to verified hospital pharmacy bills
(C)
Damages are paid exclusively from the State disaster relief treasury
(D)
No financial compensation is awarded without a formal criminal conviction
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2023 (815 questions)

Q1.
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)
Nickel (Ni) in Raney form
(B)
Vanadium pentoxide (V2O5)
(C)
Finely divided Iron (Fe) with Molybdenum (Mo) or K2O/Al2O3 as promoter
(D)
Platinum gauze (Pt)
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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): 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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2022 (453 questions)

Q1.
What is the area of a square whose side length is 3 cm?

(A)
12 cm²
(B)
21 cm²
(C)
18 cm²
(D)
9 cm²
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Q2.
In Physics, consider the Speed of electromagnetic waves in a vacuum according to Maxwell. Which statement correctly defines this principle?

(A)
c = \sqrt{\mu_0 \varepsilon_0}
(B)
c = \frac{\mu_0}{\varepsilon_0}
(C)
c = \frac{1}{\sqrt{\mu_0 \varepsilon_0}} \approx 3 \times 10^8 \text{ m/s}
(D)
c = \mu_0 \varepsilon_0
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2021 (471 questions)

Q1.
In Physics, consider the Work-Energy Theorem statement for a particle. Which statement correctly defines this principle?

(A)
Work done by all forces acting on a particle equals the change in its kinetic energy ($W = \Delta K$)
(B)
Work done is always zero under variable forces
(C)
Work done equals rate of change of momentum
(D)
Work done equals change in potential energy only
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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): A concave mirror can form both real inverted images and virtual erect images.

Reason (R): When an object is placed between the pole and focus of a concave mirror, it forms an erect, magnified, virtual image.


(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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2020 (443 questions)

Q1.
Calculate the volume of a right circular cylinder having radius $r = 14\text{ cm}$ and height $h = 14\text{ cm}$ (use $\pi = \frac{22}{7}$).

(A)
8624 cm³
(B)
8470 cm³
(C)
5749 cm³
(D)
8734 cm³
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Q2.
What is the area of a square whose side length is 9 cm?

(A)
81 cm²
(B)
93 cm²
(C)
36 cm²
(D)
162 cm²
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2019 (477 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 eat something very hard
(C)
To retreat from an impending danger
(D)
To face a difficult or unpleasant situation with courage and fortitude
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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 had been constructed across the river by the government.
(B)
A new bridge is being constructed across the river by the government.
(C)
A new bridge was constructed across the river by the government.
(D)
A new bridge has been constructed across the river by the government.
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2018 (424 questions)

Q1.
In Social Science / Indian Studies, identify the historically and geographically correct fact regarding Article of the Indian Constitution known as the 'Heart and Soul of the Constitution' (Right to Constitutional Remedies).

(A)
Article 19 (Right to Freedom)
(B)
Article 32, empowering citizens to approach the Supreme Court via writs (Habeas Corpus, Mandamus, etc.)
(C)
Article 21 (Protection of Life and Personal Liberty)
(D)
Article 14 (Equality before Law)
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Q2.

Refer to the Case Study 'Case Study: Hazardous Enterprise and Supreme Court Doctrine of Absolute Liability' to answer:

Which Fundamental Right under Part III of the Constitution was invoked as the constitutional foundation for environmental protection?


(A)
Article 21: Right to Life and Personal Liberty (interpreted to include the right to a clean and wholesome environment)
(B)
Article 19(1)(g): Right to trade and business
(C)
Article 14: Right to equality before law
(D)
Article 25: Freedom of conscience
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2017 (432 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)
for
(B)
in
(C)
to
(D)
with
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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): Work done by an electrostatic field in moving a test charge along a closed path is zero.

Reason (R): The electrostatic Coulomb force is a conservative force whose line integral around any closed loop vanishes identically.


(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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2016 (465 questions)

Q1.
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 : 2 : 1
(C)
1 : 1 : 1 : 1
(D)
3 : 1 (Dominant to Recessive phenotype)
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Q2.
What is the area of a square whose side length is 6 cm?

(A)
36 cm²
(B)
48 cm²
(C)
72 cm²
(D)
24 cm²
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2015 (495 questions)

Q1.
In Chemistry, examine the topic of Functional group present in all Carboxylic Acids. Which statement is scientifically accurate?

(A)
CHO (Formyl group)
(B)
OH (Alcoholic hydroxyl group)
(C)
CO- (Carbonyl ketone group)
(D)
COOH (Carboxyl group composed of carbonyl and hydroxyl groups)
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Q2.
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 face a difficult or unpleasant situation with courage and fortitude
(C)
To eat something very hard
(D)
To retreat from an impending danger
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