Question

Pineal gland produces

• A. Glucagon
• B. Aldosterone
• C. Cortisone
• D. Melatonin

Answer 1

The correct option is D Melatonin

A. Glucagon is secreted from alpha cells of islets of Langerhans of pancreas. It increases blood sugar level by stimulating glycogenolysis (i.e. break down of glucose) and gluconeogenesis (synthesis of glucose).

B. Aldosterone is a mineralocorticoid hormone secreted from the adrenal cortex. It maintains the electrolyte balance in the body by reducing the loss of sodium through urine and sweat.

C. Cortisone is a steroid hormone secreted from adrenal cortex in response to stress conditions in the body.

D. Melatonin is derived from amino acid tryptophan and secreted from pineal gland. It regulates the 24 hour rhythm of our body like sleep-wake cycle, temperature etc. and also affects metabolism and pigmentation.

So, the correct answer is 'Melatonin'.