Question

which of the following statements regarding the testes or its hormone is not true?
a testes are the male gamete.
b testes are responsible for sperm production.
c testes secrete testosterone.
d testosterone produces the male secondary sexual characteristics.

Explanation:

• Option A: Testes are male gonads (organs), not gametes. Male gametes are sperm cells.
• Option B: Testes have seminiferous tubules where sperm production (spermatogenesis) occurs.
• Option C: Leydig cells in the testes secrete testosterone.
• Option D: Testosterone is responsible for male secondary sexual characteristics like facial hair, deepening of voice etc.

Answer:

A. Testes are the male gamete.