Question

The hormone which increases the fertility in male is called-
a. Oestrogen
b. Testosterone
c. Insulin
d. Growth hormone

Answer 1

Hint: Hormones are chemical messengers that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions. There are many types of hormones that act on different aspects of bodily functions and processes. Hormones act as messengers, controlling, and coordinating activities throughout the body.

Complete answer:
Oestrogen is a female sex hormone that is important for sexual and reproductive development in females.

Testosterone is a hormone produced in men by the testicles. It is involved in muscle and bone development, development of sex organs. It is produced and secreted by the endocrine glands of the endocrine gland.

Insulin is a hormone made in your pancreas. It helps control blood glucose levels by signalling the liver and muscle and fat cells to take in glucose from the blood.

Growth hormone, which is a peptide hormone that cell regeneration, stimulates growth, and cell reproduction.

Hence, the correct answer is option (B).

Additional information:
Testosterone’s main function is to control sexual and reproductive health. It regulates male accessory sex organs. It is released by the Leydig cells in testicles and stimulates sperm production (spermatogenesis). It also produces secondary sexual characteristics. Low supply leads to a condition called hypogonadism.

Note: Testosterone belongs to a class of male hormones called androgens, which are also known as steroids. The testosterone levels gradually decrease with age, which results in impotence, shrinking of testes, low sperm count, depression, mood swings, irritability, etc. The normal range of testosterone levels in males is about 270-1070 ng/dL and is also found to be between 400-600 ng/dL.