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The **primary male sex organ** producing both sperms and the hormone testosterone is:

AProstate gland
BSeminal vesicle
CTestis
DEpididymis
Answer & Solution
Correct answer: C. Testis
The testis (located in the scrotum) houses seminiferous tubules where spermatogenesis occurs, and contains Leydig cells that secrete testosterone. Prostate and seminal vesicle are accessory glands that contribute to semen. Epididymis is an accessory duct where sperms mature.
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