Correct option is C
Ans. (c) a - III, b - IV, c - II, d - I
Explanation:
· (a) Gonadotrophins → Ovary (III) – Correct
· Gonadotropins (LH & FSH) target the ovaries (in females) and testes (in males) to regulate reproductive functions.
· (b) Aldosterone → Renal tubules (IV) – Correct
· Aldosterone, a hormone from the adrenal gland, acts on the renal tubules of the kidneys to regulate sodium and water balance.
· (c) Glucagon → Liver cells (II) – Correct
· Glucagon, secreted by the pancreas, targets liver cells to stimulate glycogen breakdown and increase blood glucose levels.
· (d) Cholecystokinin → Gall bladder (I) – Correct
· Cholecystokinin (CCK) stimulates the gallbladder to release bile, which aids in fat digestion.