Which term best describes the organ that produces hormones and sperm in males?

• A. Testicles
• B. Embryo
• C. Zygote
• D. Egg

Answer: (A)

The organ in males that produces hormones and sperm is the testicles (testes). They make testosterone, which drives male puberty and the development of male traits, and they house the seminiferous tubules where sperm are produced. The scrotal environment helps keep temperatures lower than the body for proper sperm development.

The other terms refer to things that aren’t an organ: an embryo and a zygote are stages of development, and an egg is the female gamete produced by ovaries. So the best description for the organ that makes both hormones and sperm in males is the testicles.