What is the normal sperm count in $1 \ ml$ of semen?

Arrange the process of spermatogenesis in the correct sequence.

With reference to human sperm,match the List-$I$ with List-$II$.

List-$I$	List-$II$
$1$. Head	$s$. Contains haploid nucleus
$2$. Acrosome	$p$. Filled with enzymes
$3$. Middle piece	$q$. Contains mitochondria
$4$. Tail	$r$. Sperm motility

Choose the correct option from the following:

Determine the ploidy of the following cells in the process of spermatogenesis:
Spermatozoa,Secondary spermatocyte,Spermatid,Spermatogonia,Primary spermatocyte.

The middle piece of a mammalian sperm contains:

In spermatogenesis,the growth phase results in the formation of: