Multiple choice

Which of the following is the function of salivary amylase?

  1. It begins the digestion of the proteins present in the food to form smaller molecules.

  2. It makes the medium of gastric juice acidic, so that proteins can be digested properly.

  3. It kills the bacteria which may enter the stomach with food.

  4. It contains salts which help to emulsify or break fats present in the food.

  5. It digests the starch present in food into sugar.
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E Correct answer
Explanation

This is the correct answer. The human saliva contains an enzyme called salivary amylase and the function of this enzyme is to digest the starch present in food into sugar.

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