Multiple choice

Which of the following is correct about mucus?

  1. It is alkaline and contains salts which help to emulsify lipids.

  2. It makes the medium of gastric juice acidic so that enzyme pepsin can digest proteins.

  3. It breaks the fats present in food.

  4. It digests starch present in food to form sugar.

  5. It protects stomach wall from its own secretions of hydrochloric acid.

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct answer. Mucus protects stomach wall from its own secretions of hydrochloric acid.