Which part of the given diagram contains enzymes necessary for fertilization?

What is the name of the structure formed after the rupture of the Graafian follicle?

$.....P.....$ undergo meiosis to form sperms. $.....Q.....$ provide nutrition to the germ cells.
Choose the correct option for $P$ and $Q$.
$\quad\quad\quad\quad P \quad\quad\quad Q$

If the number of chromosomes in a somatic cell is $42$,what will be the number of chromosomes in the cuboidal epithelial cells of the seminiferous tubules?

Identify the cells represented as $p$,$q$,$r$,and $s$ in the schematic representation of Oogenesis shown below and choose the correct option.

How many spermatozoa are produced from a single secondary spermatocyte?