Question

Which of the following is/are the function(s) of the acid produced in the stomach?

• A. Activation of inactive pepsinogen
• B. Activation of inactive pepsin
• C. Breakdown of complex lipids
• D. Protection from microorganisms

Answer 1

Answer: (A), (D)

The correct options are
A Activation of inactive pepsinogen
D Protection from microorganisms

Gastric glands are present in the wall of stomach and their secretions are called gastric juices. Gastric Juice contains HCl, pepsinogen and mucus.
HCl performs the following functions:
$\to$ Converts the inactive pepsinogen into active pepsin
$\to$ Kills the microorganisms that enter along with the food.