Karnataka Board - Class 7 previous year questions (PYQ)

2026 (1645 questions)

Q1.

In Biological Sciences, identify the accurate description regarding Process by which green plants release water vapor into the atmosphere primarily through stomata.

(A)

Transpiration, which drives sap ascent and cools plant tissues

(B)

Imbibition

(C)

Guttation

(D)

Respiration

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.

Solve the linear equation for $x$: $8x + 13 = 85$.

(A)

x = 9

(B)

x = 10

(C)

x = 8

(D)

x = 11

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 (176 questions)

Q1.

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

(A)

Mandating foreign citizenship upon majority

(B)

Allowing tax evasion under certain conditions

(C)

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

(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 Chemistry, examine the topic of Periodic trend of electronegativity across a period from left to right. Which statement is scientifically accurate?

(A)

Electronegativity increases due to increase in effective nuclear charge ($Z_{\text{eff}}$) and decrease in atomic radius

(B)

Electronegativity decreases due to shielding effect

(C)

Electronegativity first decreases then sharply increases

(D)

Electronegativity remains constant across representative elements

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 (328 questions)

Q1.

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

(A)

Mandating foreign citizenship upon majority

(B)

Allowing tax evasion under certain conditions

(C)

Granting absolute immunity from civil laws

(D)

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

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 Functional group present in all Carboxylic Acids. Which statement is scientifically accurate?

(A)

CHO (Formyl group)

(B)

CO- (Carbonyl ketone group)

(C)

OH (Alcoholic hydroxyl group)

(D)

COOH (Carboxyl group composed of carbonyl and hydroxyl groups)

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 (303 questions)

Q1.

In Physics, consider the Phenomenon responsible for the twinkling of stars in the night sky. Which statement correctly defines this principle?

(A)

Atmospheric refraction of starlight through turbulent air layers of varying refractive indices

(B)

Dispersion of light by water droplets

(C)

Total internal reflection inside clouds

(D)

Diffraction of light by interstellar dust

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 SI unit of electric current and magnetic flux density. Which statement correctly defines this principle?

(A)

Volt (V) and Weber (Wb)

(B)

Ohm (Ω) and Henry (H)

(C)

Ampere (A) and Tesla (T)

(D)

Coulomb (C) and Gauss (G)

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 (205 questions)

Q1.

In Chemistry, examine the topic of Hybridization and molecular geometry of Methane ($CH_4$). Which statement is scientifically accurate?

(A)

sp^3 hybridization with tetrahedral geometry and 109.5^\circ bond angles

(B)

sp hybridization with linear geometry

(C)

dsp^2 hybridization with square planar geometry

(D)

sp^2 hybridization with trigonal planar geometry

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 20% of 200?

(A)

65

(B)

30

(C)

50

(D)

40

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 (194 questions)

Q1.

In Biological Sciences, identify the accurate description regarding Valve located between the left atrium and left ventricle of the human heart.

(A)

Tricuspid valve

(B)

Pulmonary semilunar valve

(C)

Aortic semilunar valve

(D)

Bicuspid (Mitral) valve, preventing backflow of oxygenated blood during ventricular systole

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 Phenotypic ratio of a classic Mendelian monohybrid cross in the F2 generation.

(A)

1 : 1 : 1 : 1

(B)

3 : 1 (Dominant to Recessive phenotype)

(C)

1 : 2 : 1

(D)

9 : 3 : 3 : 1

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 (200 questions)

Q1.

What is 15% of 400?

(A)

85

(B)

50

(C)

60

(D)

70

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 Vascular plant tissue responsible for unidirectional transport of water and dissolved minerals from roots to leaves.

(A)

Cambium (meristematic tissue)

(B)

Xylem (composed of tracheids, vessels, xylem parenchyma, and xylem fibres)

(C)

Collenchyma (supporting tissue)

(D)

Phloem (sieve tubes and companion cells)

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 (191 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.

Divide 20 in the ratio 2 : 3.

(A)

8 and 12

(B)

7 and 13

(C)

10 and 10

(D)

16 and 12

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 (210 questions)

Q1.

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

(A)

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

(B)

Mandating foreign citizenship upon majority

(C)

Allowing tax evasion under certain conditions

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

(A)

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

(B)

Alveolus

(C)

Neuron

(D)

Hepatic lobule

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 (252 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 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)

to

(C)

with

(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

2016 (212 questions)

Q1.

Regarding Kannada (ಸಿರಿ ಕನ್ನಡ), which statement represents a core foundational principle of Correct grammatical structure of affirmative sentences?

(A)

Object + Verb + Subject

(B)

Subject + Verb + Object in standard grammatical syntax

(C)

Object + Subject + Verb

(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 Vascular plant tissue responsible for unidirectional transport of water and dissolved minerals from roots to leaves.

(A)

Phloem (sieve tubes and companion cells)

(B)

Collenchyma (supporting tissue)

(C)

Xylem (composed of tracheids, vessels, xylem parenchyma, and xylem fibres)

(D)

Cambium (meristematic tissue)

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 (229 questions)

Q1.

Regarding Kannada (ಸಿರಿ ಕನ್ನಡ), which statement represents a core foundational principle of Importance of environmental conservation and biodiversity?

(A)

Eliminating apex predators from natural habitats

(B)

Accelerating deforestation for urban sprawl

(C)

Maximizing industrial waste output

(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

Q2.

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

(A)

011 \times 10^{23} particles

(B)

6.022 \times 10^{22} particles

(C)

602 \times 10^{-19} particles

(D)

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

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