Read the assertion and reason carefully to mark the correct option out of the option given below:
Assertion: Thick layers of muscles are present in the wall of alimentary canal.
Reason: These muscles help in the mixing of food materials with the enzymes coming from different glands in the alimentary canal.

Options

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

Answer

a

Explanation

(a) Thick layer of muscles are present in the alimentary canal. These muscles facilitate the movement of food particle through alimentary canal. Large food particle are broken down into small, semi liquid particles by the action of these muscles. Later also help in the forward flow of food materials and mixing of enzymes coming from different glands releated to alimentary canal.