Question

Which of the following is/are true about villi?

• A. Increases surface area for absorption.
• B. Selectively absorbs nutrients.
• C. Villi are present in stomach.
• D. Villi are present on outer surface of small intestine.

Answer 1

Answer: (A), (B)

The correct options are
A Increases surface area for absorption.
B Selectively absorbs nutrients.

The villi are the finger like projections present on the inner surface of small intestine. It increases the surface area of absorption. The digested food is retained in folds for a longer time and thus enhance the absorption.