Question

DIRECTIONS: Each of these questions contains an Assertion followed by Reason. Read them carefully and answer the question on the basis of following options. You have to select the one that best describes the two statements.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.Assertion: Bending a wire does not affect the electrical resistance.
Reason: Resistance of a wire is proportional to resistivity of the material.Assertion: Froth floatation process is based on the different wetting nature of ore and gangue particles.
Reason: Pine oil is used in froath floatation process.Assertion: The birds have large, light spongy bones with air sacs.
Reason: These adaptations help them during flight.

Answer 1

1)a
2)b
3)a
Hope it helps

Answer 2

(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

Explanation:

Assertion: Bending a wire does not affect the electrical resistance.

Reason: Resistance of a wire is proportional to resistivity of the material.

Both assertion and reason are correct.

Assertion: Froth floatation process is based on the different wetting nature of ore and gangue particles.

Reason: Pine oil is used in froath floatation process.

Both assertion and reason are correct.

Assertion: The birds have large, light spongy bones with air sacs.

Reason: These adaptations help them during flight.

Both assertion and reason are correct.

Option A is correct for all three sets of assertion and reason given. Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.