Question

Match the following: 
I. Alpha (α) cells      [P] Glucagon 
II. Beta (β) cells       [Q] Somatostatin 
III. Delta (δ) cells     [R] Gastrin 
IV. G cells                [S] Proinsulin

• A. (I)-(P), (II)-(S), (III)-(Q), (IV)-(R)
• B. (I)-(Q), (II)-(S), (III)-(P), (IV)-(R)
• C. (I)-(R), (II)-(S), (III)-(Q), (IV)-(P)
• D. (I)-(S), (II)-(R), (III)-(Q), (IV)-(P)

Hint:

Remember: α-cells → Glucagon, β-cells → Insulin/Proinsulin, δ-cells → Somatostatin, G-cells → Gastrin. These are common GPAT questions on pancreatic and gastric hormones.

Answer 1

The Correct Option is A

The pancreas and gastrointestinal tract contain various types of endocrine cells that secrete different hormones involved in glucose metabolism and digestion. - Alpha (α) cells: Located in the islets of Langerhans in the pancreas, these cells secrete glucagon, a hormone that raises blood glucose levels by promoting glycogenolysis and gluconeogenesis.
- Beta (β) cells: Also located in the pancreatic islets, they secrete insulin and its precursor proinsulin, which help lower blood glucose.
- Delta (δ) cells: Present in the pancreas and GI tract, they secrete somatostatin, a hormone that inhibits the release of many other hormones including insulin, glucagon, and gastrin.
- G cells: Found primarily in the antrum of the stomach, these cells secrete gastrin, which stimulates gastric acid secretion by parietal cells.
Thus, the correct matching is: - I → P (Glucagon)
- II → S (Proinsulin)
- III → Q (Somatostatin)
- IV → R (Gastrin)