Junior college (Class 11-12)

Karnataka Board - Class 11 (1st PUC) previous year questions (PYQ)

4,107 previous year Karnataka Board - Class 11 (1st PUC) questions, grouped by year, with answers and solutions.

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2026 (1458 questions)

Q1.
Calculate 11 × 3.

(A)
33
(B)
35
(C)
44
(D)
30
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Q2.
In Biological Sciences, identify the accurate description regarding Universal blood recipient group in the ABO blood typing system.

(A)
O negative (O-)
(B)
B positive (B+)
(C)
AB positive (AB+), because RBCs possess both A and B antigens and plasma lacks anti-A and anti-B antibodies
(D)
A positive (A+)
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2025 (220 questions)

Q1.
In Biological Sciences, identify the accurate description regarding Hormone secreted by beta cells of the Islets of Langerhans in the pancreas to lower blood glucose.

(A)
Epinephrine, triggering fight-or-flight response
(B)
Glucagon, promoting glycogenolysis
(C)
Somatostatin, inhibiting digestive secretions
(D)
Insulin, which facilitates cellular glucose uptake and promotes glycogenesis
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Q2.

Refer to the Case Study 'Case Study: Optical Fibers and Total Internal Reflection in Medical Endoscopy' to answer:

In clinical medicine, why are coherent fiber bundles used in flexible endoscopes rather than non-coherent bundles?


(A)
Coherent bundles maintain identical relative spatial positions of fibers at both ends, faithfully preserving image fidelity
(B)
Coherent bundles transmit high-frequency X-rays through opaque bone
(C)
Coherent bundles are rigid and resist mechanical bending
(D)
Coherent bundles eliminate the need for external light sources
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2024 (429 questions)

Q1.

'Principle of Mathematical Induction & Complex Numbers ($z=a+ib$)' ಗೆ ಸಂಬಂಧಿಸಿದ ಸೂತ್ರ ಅಥವಾ ಸಂಕ್ರಿಯೆಯ ನಿಯಮ ಯಾವುದು?


(A)
ಸಂಕಲನ, ವ್ಯವಕಲನ, ಗುಣಾಕಾರ ಅಥವಾ ಭಾಗಾಕಾರದ ಕ್ರಮಬದ್ಧ ನಿಯಮ (Principle of Mathematical Induction & Complex Numbers ($z=a+ib$))
(B)
ಯಾವುದೇ ನಿಯಮವಿಲ್ಲದೆ ಲೆಕ್ಕ ಮಾಡುವುದು
(C)
ಶೂನ್ಯದಿಂದ ಭಾಗಿಸುವುದು
(D)
ಇವುಗಳಲ್ಲಿ ಯಾವುದೂ ಅಲ್ಲ
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Q2.

ಕರ್ನಾಟಕದ ಪ್ರಸಿದ್ಧ ಇತಿಹಾಸ ಮತ್ತು ಪಾರಂಪರಿಕ ತಾಣಗಳಲ್ಲಿ 'Work, Energy and Power: Work-Energy Theorem, Collisions' ನ ವಿಶೇಷತೆಯೇನು?


(A)
ಹಂಪಿ, ಬಾದಾಮಿ, ಪಟ್ಟದಕಲ್ಲು ಅಥವಾ ಮೈಸೂರಿನ ವಾಸ್ತುಶಿಲ್ಪ ವೈಭವ (Work, Energy and Power: Work-Energy Theorem, Collisions)
(B)
ಕೇವಲ ಮಣ್ಣಿನ ಗೋಡೆಗಳು
(C)
ಐತಿಹಾಸಿಕ ದಾಖಲೆಗಳಿಲ್ಲ
(D)
ಇವುಗಳಲ್ಲಿ ಯಾವುದೂ ಅಲ್ಲ
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2023 (346 questions)

Q1.
In Physics, consider the Speed of electromagnetic waves in a vacuum according to Maxwell. Which statement correctly defines this principle?

(A)
c = \frac{\mu_0}{\varepsilon_0}
(B)
c = \sqrt{\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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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)
Xylem (composed of tracheids, vessels, xylem parenchyma, and xylem fibres)
(B)
Collenchyma (supporting tissue)
(C)
Phloem (sieve tubes and companion cells)
(D)
Cambium (meristematic tissue)
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2022 (216 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 shoot an accurate target
(C)
To eat something very hard
(D)
To retreat from an impending danger
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Q2.

ಕರ್ನಾಟಕದ ಪ್ರಸಿದ್ಧ ಇತಿಹಾಸ ಮತ್ತು ಪಾರಂಪರಿಕ ತಾಣಗಳಲ್ಲಿ 'Reflections (Prose & Poems)' ನ ವಿಶೇಷತೆಯೇನು?


(A)
ಹಂಪಿ, ಬಾದಾಮಿ, ಪಟ್ಟದಕಲ್ಲು ಅಥವಾ ಮೈಸೂರಿನ ವಾಸ್ತುಶಿಲ್ಪ ವೈಭವ (Reflections (Prose & Poems))
(B)
ಕೇವಲ ಮಣ್ಣಿನ ಗೋಡೆಗಳು
(C)
ಐತಿಹಾಸಿಕ ದಾಖಲೆಗಳಿಲ್ಲ
(D)
ಇವುಗಳಲ್ಲಿ ಯಾವುದೂ ಅಲ್ಲ
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2021 (208 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 \Phi_B t
(C)
\mathcal{E} = -\frac{N}{d\Phi_B/dt}
(D)
\mathcal{E} = N I R
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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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2020 (203 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)
Respiration
(B)
Imbibition
(C)
Guttation
(D)
Transpiration, which drives sap ascent and cools plant tissues
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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 = IR, where resistance remains constant at constant temperature
(B)
V = I^2 R
(C)
V = R / I
(D)
V = I / R
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2019 (196 questions)

Q1.
In Biological Sciences, identify the accurate description regarding Valve located between the left atrium and left ventricle of the human heart.

(A)
Bicuspid (Mitral) valve, preventing backflow of oxygenated blood during ventricular systole
(B)
Aortic semilunar valve
(C)
Tricuspid valve
(D)
Pulmonary semilunar valve
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Q2.
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 = \frac{mv}{h}
(B)
\lambda = \frac{h}{2mv^2}
(C)
\lambda = hp
(D)
\lambda = \frac{h}{mv} = \frac{h}{p}
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2018 (208 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 is studying for her board examination.
(B)
She said that she had studied for her board examination.
(C)
She said that she was studying for her board examination.
(D)
She says that she was studying for her board examination.
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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 first decreases then sharply increases
(B)
Electronegativity increases due to increase in effective nuclear charge ($Z_{\text{eff}}$) and decrease in atomic radius
(C)
Electronegativity remains constant across representative elements
(D)
Electronegativity decreases due to shielding effect
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2017 (217 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)
to
(C)
in
(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): Noble gases possess positive or zero electron gain enthalpy.

Reason (R): Noble gases have completely filled stable electronic valence shell configurations ($ns^2 np^6$).


(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 (211 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 have alerted the authorities, the accident would prevent.
(D)
If they had alerted the authorities earlier, the accident would have been prevented.
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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 was constructed across the river by the government.
(C)
A new bridge had been constructed across the river by the government.
(D)
A new bridge has been constructed across the river by the government.
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2015 (195 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)
Hydrogen Bond
(B)
Covalent Bond
(C)
Coordinate (Dative) Bond
(D)
Electrovalent (Ionic) Bond
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Q2.
In Physics, consider the Phenomenon responsible for the twinkling of stars in the night sky. Which statement correctly defines this principle?

(A)
Total internal reflection inside clouds
(B)
Dispersion of light by water droplets
(C)
Atmospheric refraction of starlight through turbulent air layers of varying refractive indices
(D)
Diffraction of light by interstellar dust
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