Sperms are released from the seminiferous tubules by the process called .....

From where does spermatogenesis start?

Give information about hormones associated with the process of spermatogenesis.

The human egg is ...

Identify the ploidy of the following cells: Ovum,Secondary Oocyte,First Polar Body,Second Polar Body,Primary Oocyte,Oogonia.

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.