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🔬 Biology  ·  Digestion and Absorption  ·  NEET

The inactive precursor of the enzyme pepsin, secreted by the stomach, is:

Answer: pepsinogen.

  • A pepsinogen
  • B trypsinogen
  • C plain zymogen
  • D amylase

Correct answer: A. pepsinogen

Explanation: Pepsinogen is converted to active pepsin by hydrochloric acid.

Labeled diagram of the human digestive system showing mouth, esophagus, stomach, liver, pancreas, small intestine, and large intestine

The human digestive system. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.

Concept context

The digestive tract, digestive enzymes, hormonal control of digestion, and liver function. High NEET weightage.

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