Assertion : Earthworm are known are known as friends of farmers
Reason : Earthworms make burrows in the soil and make the soil porous, which helps in repiration and penetration of developing plant roots.

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion
B. If both assertion and reason are true but reason is not the correct explanation of assertion
C. If assertion is true but reason is false
D. If both assertion and reason are false

Answer

A

Explanation

Earthworms are known are friends of farmer because they make the soil loose and porous by their burrowing habit. Thus, the soil provides quick aeration and absorption of water, thereby the roots of the plant get penetrated elasily. Earthworms continuously bring the lower soil on the surface and deposit it there. They plough the land and share the work of the farmers. The process of increasing fertlity of soil by earthworm is called vermicomposting.