Question

Which one is primary sex organ?
(A) Penis
(B) Scrotum
(C) Testis
(D) Prostrate

Answer 1

Hint: The primary sex organ is the organ that produces the gametes required for the reproduction. The given Options species the organs in the male. In male, the primary sex organ synthesis the sperm for the reproduction of the egg in the female.

Complete answer:
Sperm is the male reproductive gamete or the cell that is motile and has flagella in its body. Unlike females, the millions of the male reproductive cells are produced throughout the lifetime of the males. The testis is the oval shaped primary sex organ that produce sperms by the process of spermatogenesis.

It also produces testosterone androgen. This secreted testosterone helps in the resemblance of the secondary sexual characteristics like growth of the facial hairs, broadening of the shoulders, deepening of the voice etc. The scrotum is not the sexual organ it is attached to the testis. The penis and the prostrate are the secondary sex organ.

Addition information: The function of the prostate is to secrete the fluid that helps in the nourishment of the sperm after they are produced from the testis. And hence they help in the synthesis of the semen which is formed by the sperm and the prostatic fluid.

Hence, the correct answer is Option (C)

Note: The testis consists of the seminiferous tubules which are the coiled tubules and this helps in the process of the spermatogenesis. The cells and tissues present in the seminiferous tubules secretes the motile flagellated sperms and sends them to the prostate.