Odisha Board - Class 12 (+2 CHSE Board) 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): Rusting of iron in moist air is an exothermic chemical oxidation process.

Reason (R): Rusting requires continuous absorption of thermal energy from ambient surroundings to proceed.

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*.

Reading Comprehension: Based on the passage in 'ନଗଦ ପ୍ରବାହ ବିବରଣୀ (Cash Flow Statement)', which statement is true?

Vocabulary: What is the correct meaning of the word related to 'ଶ୍ରୀଜଗନ୍ନାଥ ସଂସ୍କୃତିର କ୍ରମବିକାଶ'?

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

Assertion (A): Electric fuses in domestic circuits are always connected in series with the live wire.

Reason (R): Connecting the fuse in the live wire ensures that if excessive current flows, the fuse wire melts and disconnects the entire appliance from high voltage.

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

Assertion (A): Vegetative propagation is widely practiced for growing sugarcane, banana, rose, and jasmine.

Reason (R): Plants raised by vegetative reproduction can bear flowers and fruits earlier than those produced from seeds and retain parent genetic traits.

ଗଛଲତା ଓ ଜୀବଜଗତ: 'p-ବ୍ଲକ୍, d ଓ f-ବ୍ଲକ୍ ମୌଳିକ' ଉଦ୍ଭିଦର କେଉଁ ଅଂଶର ବିଶେଷତ୍ୱ ଅଟେ?

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

Assertion (A): Plaster of Paris should always be stored in moisture-proof airtight containers.

Reason (R): Plaster of Paris ($CaSO_4 \cdot \frac{1}{2}H_2O$) absorbs moisture from the atmosphere and sets into a hard solid mass of gypsum ($CaSO_4 \cdot 2H_2O$).

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.

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 employer is vicariously liable for tortious civil wrongs committed by an employee during the authorized course of employment.

Reason (R): The doctrine of vicarious liability is founded on the legal maxims *respondeat superior* (let the master answer) and *qui facit per alium facit per se*.

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

Assertion (A): White light disperses into its constituent seven spectral colors when passed through a glass prism.

Reason (R): Different wavelengths of light travel with different speeds in glass, causing red light to deviate the least and violet light to deviate the most.