Multiple choice

Which of the following pairs is not correctly matched?

  1. Gastric - Pepsin

  2. Stomach - Hydrochloric acid

  3. Bile - Pancreas

  4. Saliva - Ptyalin
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Bile is produced by the liver, not the pancreas. All other pairings are correct: pepsin is the main enzyme in gastric juice, hydrochloric acid is secreted by stomach lining, and ptyalin (salivary amylase) is found in saliva.

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