Question

The hormone which increases the fertility in males is called

• A. estrogen
• B. testosterone
• C. insulin
• D. growth hormone

Answer 1

The correct option is B

testosterone

The correct option is B.

Explanation of correct option:

1. The hormone responsible for the male sex, testosterone, is produced in the testicles.
2. For appropriate male sexual development and functioning, testosterone hormone levels are crucial.
3. This hormone stimulates spermatogenesis and hence increases fertility in males.
4. Male characteristics including body and facial hair, a deeper voice, and stronger muscles are developed in boys throughout puberty (the adolescent years).

Explanation of incorrect options:

Option A:

1. Estrogens are a class of hormones that are essential for women's healthy sexual and reproductive development.
2. They are sex hormones as well.

Option C:

1. A hormone called insulin decreases the blood's concentration of glucose, a form of sugar.
2. It is produced by the pancreatic beta cells and released into the blood when the level of glucose rises, such as after eating.

Option D:

1. Growth hormone supports early development and aids in the maintenance of tissues and organs throughout life.
2. It is created by the pituitary gland, a little organ at the base of the brain.

Final answer: The hormone which increases fertility in males is called testosterone.