🔬 Biology · Digestion and Absorption · NEET

Pepsinogen, the inactive precursor of pepsin, is secreted by cells of the:

Answer: Gastric glands.

Correct answer: D. Gastric glands

Explanation: Peptic (chief) cells of gastric glands secrete pepsinogen, which is converted to active pepsin by hydrochloric acid in the stomach.

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.