Question

Which hormone is mainly secreted by corpus luteum?

• A. Thyroxine
• B. Progesterone
• C. hCG
• D. Estrogen

Answer 1

Answer: (B)

Progesterone

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. Progesterone is a steroid female sex hormone which is also known as pregnancy hormone. It maintains the inner lining of uterus which aids in implantation of embryo in the uterus. It is secreted by corpus luteum.

C. hCG (Human Chorionic Gonadotropin) is secreted from placenta. It maintains corpus luteum.

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

So, the correct answer is 'Progesterone'.