Question

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

Answer 1

The assertion (A) is correct and the Reason (R) for the assertion is also correct.

Explanation:

• Columnar epithelium are named so because the cells are column shaped.
• The brush like appearance of the columnar epithelium occurs due to the numerous microvilli which are present on the epithelium lining.
• The functions of the columnar epithelium include secretion, excretion, and absorption.
• The microvilli also increase the surface area of the columnar epithelium.
• Hence, the assertion and reason both are correct.