Cortisol is secreted from

(a) pancreas

(b) thyroid

(c) adrenal

(d) thymus

(c) Cortisol is secreted from the adrenal gland. The zona fasciculata region of adrenal cortex secretes cortisol, corticosterone and cortisone. These hormones are involved in maintaining glucose homeostasis.

Pancreas is a composite gland which secretes insulin glucagon and somatostatin.

Thyroid gland secretes they toxin or tetraiodothyronine $\left(T_4\right)$ and triodothyronine $\left(T_3\right)$. which regulate the metabolic rate of the body and maintain basal metabolic rate. It also secretes calcitrnia

Thymus secretes thymosin, involved in providing cell mediated immunity to the body.