NEET Zoology Digestion and Absorption Questions Solved


Inhibition of gastric and stimulation of gastric, pancreatic and bile secretions are controlled by hormones 

(a) gastrin, secretin, enterokinin and cholecystokinin

(b) enterogasterone, gastrin, pancreozymin and cholecystokinin

(c) gastrin, enterogasterone, cholecystokinin and pancreozymin

(d) secretin, enterogasterone, gastrin and enterokinin

Audio Explanation:


(b) Enterogasterone hormone secreted by mucosa of duodenum inhibits secretion of gastric juices and slows down the gastric movements.

Gastrin is the homone secreted by G-cells/argentaffin cells of pyloric region of stomach and stimulates the gastric glands to secrete gastric juices.

Pancreozymin is secreted by mucosa of duodenum and stimulates the acinal cells of pancreas to secrete pancreatic enzymes.

Cholecystokinin is secreted by cells of mucosa of duodenum and stimulates contraction of gall bladder to release bile.

Difficulty Level:

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