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State PCS PYQPrelims 2025

UPPCS · Question 121

Which of the following enzymes is/are released in the stomach for protein digestion? 1. Chymotrypsin 2. Trypsin 3. Pepsin Select the correct answer using the code given below.

  1. Only 3
  2. 1, 2 and 3
  3. Only 1 and 2
  4. Only 2 and 3
Show answer & explanation

Answer: (A) Only 3

Explanation

Pepsin (from pepsinogen) acts in the stomach; trypsin and chymotrypsin are pancreatic enzymes acting in the small intestine.