Vasa deferentia together with the duct from the seminal vesicle forms:

Name the condition in which the testes fail to descend from the abdominal cavity into the scrotum.

The enlarged end of the penis is called the ..........

Which duct is formed by the union of the vasa efferentia and the seminiferous tubules?

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.

Which of the following is the endocrine tissue of the testes?