Question

What is correct about microvilli?

• A. Also known as brush bordered epithelia
• B. Found in small intestine and PCT both
• C. Increase absorption of food
• D. These are infoldings of cell membrane

Answer 1

Answer: (C)

Increase absorption of food

1. Brush bordered epithelium is microvilli covered Epithelial surface found in the body.

2. The columnar and cuboidal epithelium of small intestine and PCT have the surface covered with microvilli for increasing absorption.

3. Cilia are meant for the movement of fluid while microvilli function to increase the absorption and secretion.

4. Microvilli are microscopic cellular membrane protrusions that increase the surface area for diffusion and are involved in a wide variety of functions, including absorption, secretion, cellular adhesion, and mechanotransduction.

So, the correct option is 'Increase absorption of food.