Question

Anti-ageing hormone is

• A. Thyroxine
• B. Melatonin
• C. Estrogen
• D. Testosterone

Answer 1

Answer: (B)

Melatonin

A. Thyroxine is secreted from thyroid gland. It stimulates the consumption of oxygen by metabolically active tissues and also increases the oxidation of glucose in tissues.

B. 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.

C. Estrogen is the female sex hormone secreted from ovarian follicles and stimulate the development of female secondary sex organs.

D. Testosterone is the male sex hormone secreted from testis and stimulates the development of secondary sexual characteristics in males.

Recent studies have revealed melatonin to be an anti-ageing hormone.

So, the correct answer is 'Melatonin'.