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Everyday Science Medium FPSC PPSC NTS Uploaded: 25 Jun 2026

Which stomach enzyme is primarily responsible for breaking down proteins into smaller peptides?

  • A Amylase
  • B Lipase
  • C Pepsin
  • D Trypsin
Correct Answer: Option C — Pepsin
Explanation:
Pepsin is a stomach enzyme that breaks down proteins into smaller peptides functioning optimally in the highly acidic environment created by hydrochloric acid in the stomach.
Submitted by: PaperMCQs
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