Question

In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.
a) Both assertion and reason are correct and reason is the correct explanation of assertion.

b) Both assertion and reason are correct but the reason is not the correct explanation of assertion

c) Assertion is correct but reason is wrong

d) Assertion is wrong and reason are correct

I. Assertion: The middle piece of the sperm is called its power house.

Reason: Numerous mitochondria in the middle piece produce energy for the movement of tail.

II. Assertion: A decrease in temperature has no effect on spermatogenesis.

Reason: Spermatogonia cannot survive the high body temperature.

III. Assertion: The region inside the seminiferous tubules contain Leydig cell.
Reason: Leydig cells synthesise and secrete androgen.

Answer 1

Answer:

• a)Plants, animals, and microbes are interdependent. This makes the ecosystem self-regulating and self-sustaining with all the components of the ecosystem. So, the correct answer is option A. Both assertion and reason are true and reason is the correct explanation of assertion

• b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion.