Identify the location of mitochondria in a human sperm.

What are the cells of the germinal epithelium that differentiate into spermatozoa called?

Name a cell that is found arrested in the diplotene stage for months or years. Comment in $2-3$ lines on how it completes its cell cycle.

Androgen stimulates the $...A...$ $FSH$ acts on the $...B...$ and stimulates factors for spermiogenesis. Here $A$ and $B$ refers to

Spermiogenesis involves all of the following,$EXCEPT$

$A$ sperm without an acrosome cannot