Which of the following is a male reproductive organ in humans?

1. Analyze the question You are asked to pick the organ that belongs to the male reproductive system. Three of the options are female organs and one is male.

2. Explain the concept The human reproductive system is divided into male and female parts, each with its own role:

• Male system: testis (testes), epididymis, vas deferens (sperm duct), seminal vesicle, prostate gland, urethra, penis
• Female system: ovary, fallopian tube (oviduct), uterus (womb), cervix, vagina

The testis produces sperm cells and the hormone testosterone. It sits in the scrotum, outside the body cavity, where the temperature is slightly lower, which is better for sperm production.

3. Solution, option by option

• A. Uterus: the womb, where the foetus develops. This is female.
• B. Ovary: produces egg cells (ova) and the hormones oestrogen and progesterone. This is female.
• C. Testis: produces sperm and testosterone. This is male. ✔
• D. Fallopian tube: carries the egg from the ovary to the uterus and is the usual site of fertilisation. This is female.

4. Answer The correct option is C. Testis.

5. Exam tip Remember that "Testis = Testosterone", since both start with "Test". Also, the ovary produces ova (eggs). Pairing the organ name with its product helps you sort male from female organs quickly.