NDA 2023 GAT · General Knowledge · Human Physiology · easy

The enzyme in gastric juice that begins the digestion of proteins is

Single correct option

A. Amylase
B. Pepsin
C. Lipase
D. Maltase

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Answer: (B) Pepsin

Pepsin, activated by hydrochloric acid in the stomach, breaks proteins into peptides. Amylase acts on starch, lipase on fats and maltase on maltose, so none of these start protein digestion.

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