The hormone that increases fertility in males is called
(a) estrogen
(b) testosterone
(c) insulin
(d) growth hormone
(b) testosterone
Testosterone is the male sex hormone produced in the testes of males which promotes maleness. It helps in promoting spermatogenesis, the process of production of sperm. It also promotes secondary sexual characteristics in the case of males.
Explanation for Incorrect Options:
(a) Estrogens are hormones essential for a woman's healthy sexual and reproductive development. They are female sex hormones released by the ovaries.
(c) Insulin decreases blood glucose levels. It is produced by the islets of Langerhans in the pancreatic beta cells and released into the blood when the glucose level rises.
(d) Growth hormones are secreted by the pituitary gland. It supports early development and helps in the maintenance of tissues and organs throughout life.