Karnataka Board - Class 12 (2nd PUC - Board Exam) previous year questions (PYQ)

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

Assertion (A): Under the Constitution of India, the judiciary enjoys structural independence from executive and legislative interference.

Reason (R): Judges of the Supreme Court and High Courts have security of tenure and their judicial salaries are charged directly to the Consolidated Fund of India.

ಸ್ಥಳೀಯ ಆಡಳಿತದಲ್ಲಿ 'Evolution: Origin of Life, Evidence of Evolution, Hardy-Weinberg Principle, Human Evolution' (ಉದಾ. ಗ್ರಾಮ ಪಂಚಾಯಿತಿ) ಜನರ ಯಾವ ಅಗತ್ಯಗಳನ್ನು ಪೂರೈಸುತ್ತದೆ?

During the electrolysis of alumina, why must the carbon graphite anode rods be replaced periodically?

ದೈನಂದಿನ ಜೀವನದಲ್ಲಿ 'Continuity and Differentiability: Chain Rule, Logarithmic Differentiation, Parametric Differentiation, Second Order Derivatives' ನ ಲೆಕ್ಕಾಚಾರವನ್ನು ಎಲ್ಲಿ ಬಳಸುತ್ತೇವೆ?

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

Assertion (A): Carboxylic acids exhibit higher acidity than corresponding phenols.

Reason (R): The carboxylate anion is stabilized by two equivalent resonance structures where negative charge resides on electronegative oxygen atoms.

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 $\text{Perpendicular}/\text{Hypotenuse} \le 1$.

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 square root of 2 ($\sqrt{2}$) is an irrational real number.

Reason (R): The square root of any positive prime integer is an irrational number.