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Kerala Board - Class 9 previous year questions (PYQ)

9,901 previous year Kerala Board - Class 9 questions, grouped by year, with answers and solutions.

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2026 (3664 questions)

Q1.
In Chemistry, examine the topic of Oxidation state of Manganese in Potassium Permanganate ($KMnO_4$). Which statement is scientifically accurate?

(A)
+2
(B)
+6
(C)
+7
(D)
+4
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Q2.
Calculate the volume of a right circular cylinder having radius $r = 21\text{ cm}$ and height $h = 12\text{ cm}$ (use $\pi = \frac{22}{7}$).

(A)
16742 cm³
(B)
11088 cm³
(C)
16632 cm³
(D)
16478 cm³
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2025 (539 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): A convex mirror is commonly used as a driver's rear-view mirror in automobiles.

Reason (R): A convex mirror always forms an erect, virtual, and diminished image, providing a much wider field of view.


(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): Diamond sparkles brilliantly with internal radiance.

Reason (R): Total internal reflection of light occurs inside diamond because its critical angle is exceptionally small (approximately 24.4°).


(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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2024 (804 questions)

Q1.
In Physics, consider the de Broglie wavelength associated with a particle of mass $m$ moving with velocity $v$. Which statement correctly defines this principle?

(A)
\lambda = hp
(B)
\lambda = \frac{mv}{h}
(C)
\lambda = \frac{h}{mv} = \frac{h}{p}
(D)
\lambda = \frac{h}{2mv^2}
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Q2.
In Physics, consider the Conservation principle underlying Kirchhoff's Junction Rule (Current Law). Which statement correctly defines this principle?

(A)
Conservation of Linear Momentum
(B)
Conservation of Energy
(C)
Conservation of Angular Momentum
(D)
Conservation of Electric Charge ($\sum I_{\text{in}} = \sum I_{\text{out}}$)
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2023 (843 questions)

Q1.
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)
602 \times 10^{-19} particles
(C)
6.022 \times 10^{23} elementary entities (atoms, molecules, or ions)
(D)
011 \times 10^{23} particles
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Q2.
For a moderately skewed frequency distribution, if the Median is 29 and Mean is 31, find the empirical Mode.

(A)
21
(B)
60
(C)
25
(D)
28
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2022 (512 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)
with
(C)
in
(D)
to
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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): Addition of a non-volatile solute lowers the freezing point of a solvent.

Reason (R): Solute molecules reduce the equilibrium vapor pressure of the solution according to Raoult's Law.


(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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2021 (504 questions)

Q1.
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 was studying for her board examination.
(B)
She said that she is studying for her board examination.
(C)
She said that she had studied for her board examination.
(D)
She says that she was studying for her board examination.
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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 retreat from an impending danger
(C)
To eat something very hard
(D)
To face a difficult or unpleasant situation with courage and fortitude
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2020 (519 questions)

Q1.
What is the area of a square whose side length is 4 cm?

(A)
16 cm²
(B)
32 cm²
(C)
None of these (3)
(D)
28 cm²
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Q2.
What is the area of a square whose side length is 10 cm?

(A)
200 cm²
(B)
112 cm²
(C)
100 cm²
(D)
40 cm²
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2019 (504 questions)

Q1.
Calculate the volume of a right circular cylinder having radius $r = 14\text{ cm}$ and height $h = 10\text{ cm}$ (use $\pi = \frac{22}{7}$).

(A)
4106 cm³
(B)
6160 cm³
(C)
6006 cm³
(D)
6270 cm³
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Q2.
Regarding Malayalam (കേരള പാഠാവലി - NTSE Foundation), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)
Maintaining ecological equilibrium, nutrient cycling, and climate regulation
(B)
Maximizing industrial waste output
(C)
Eliminating apex predators from natural habitats
(D)
Accelerating deforestation for urban sprawl
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2018 (481 questions)

Q1.
In Physics, consider the Relationship between focal length $f$ and radius of curvature $R$ for spherical mirrors. Which statement correctly defines this principle?

(A)
f = 2R
(B)
f = R^2
(C)
f = \frac{1}{R}
(D)
f = \frac{R}{2}
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Q2.
In Physics, consider the Conservation principle underlying Kirchhoff's Loop Rule (Voltage Law). Which statement correctly defines this principle?

(A)
Conservation of Energy ($\sum \Delta V = 0$ in any closed loop)
(B)
Conservation of Magnetic Flux
(C)
Conservation of Charge
(D)
Conservation of Momentum
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2017 (516 questions)

Q1.
What is the area of a square whose side length is 8 cm?

(A)
128 cm²
(B)
32 cm²
(C)
76 cm²
(D)
64 cm²
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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 must be monochromatic and linearly polarized
(B)
Light travels from rarer to denser medium with $i < i_c$
(C)
Light must travel from an optically denser to rarer medium and angle of incidence must exceed critical angle ($i > i_c$)
(D)
Angle of incidence must equal angle of refraction ($i = r$)
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2016 (524 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 aqueous solution of pure glucose does not conduct electric current.

Reason (R): Glucose is a covalent molecular compound that does not dissociate into free mobile ions in water.


(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 Biological Sciences, identify the accurate description regarding Phenotypic ratio of a classic Mendelian monohybrid cross in the F2 generation.

(A)
1 : 1 : 1 : 1
(B)
1 : 2 : 1
(C)
3 : 1 (Dominant to Recessive phenotype)
(D)
9 : 3 : 3 : 1
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2015 (491 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 had alerted the authorities earlier, the accident would have been prevented.
(B)
If they alerted the authorities earlier, the accident will be 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 Chemistry, examine the topic of Le Chatelier's Principle effect of increasing pressure on the equilibrium $N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g)$. Which statement is scientifically accurate?

(A)
Equilibrium constant K increases
(B)
Equilibrium shifts to the right (forward direction) toward fewer moles of gas
(C)
Equilibrium shifts to the left toward more moles of gas
(D)
No effect on equilibrium position because temperature is constant
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