Assertion : Columnar epithelium lining the intestinal mucus appears to have a brush like appearance.
Reason : A large number of microvilli are present on brush borderes columnar epithelium.

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 reason are true but the reason is not a 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

Columnar epithelium have column shape cell. They have brush bordered microvilli at apical surface. They line the surface of gastro–intestinal tract. It is mainly responsible for secretion and absorption.