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NDA 2019 GAT · General Knowledge · Human Physiology · easy

Which enzyme present in gastric juice begins the digestion of proteins in the stomach?

Single correct option

Which enzyme present in gastric juice begins the digestion of proteins in the stomach?
  1. A. Amylase
  2. B. Lipase
  3. C. Pepsin
  4. D. Trypsin
Show answer and solution

Answer: (C) Pepsin

Pepsin, secreted in the inactive form pepsinogen and activated by hydrochloric acid, breaks proteins into smaller peptides. Amylase acts on starch in the mouth, lipase acts on fats and trypsin works in the small intestine.
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Original question written in the NDA 2019 GAT pattern and checked twice for the correct answer. Not an official question paper. How we write and check questions · Corrections policy · Report a mistake