The male penis is covered by a loose fold of skin,which is called:

What is the function of seminal plasma?

Testicular hormones like androgens are synthesized by . . . . . . .

Match the structures/parts of the human male reproductive system in Column $I$ with their respective explanation in Column $II$ and select the correct answer from the given options.

Column $I$	Column $II$
$i$. Prepuce	$a$. Fibromuscular band that retains testis in scrotum.
$ii$. Penis	$b$. Primary male reproductive gonad.
$iii$. Testis	$c$. Loose fold of skin covering glans penis.
$iv$. Gubernaculum	$d$. Male copulatory organ.

The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for

Which of the following contains the highest concentration of fructose,calcium,and certain enzymes?