The difference between spermiogenesis and spermiation is:

1.	In spermiogenesis, spermatozoa from sertoli cells are released into the cavity of seminiferous tubules, while in spermiation, spermatozoa are formed.
2.	In spermiogenesis, spermatozoa are formed, while in spermiation, spermatids are formed.
3.	In spermiogenesis, spermatids are formed, while in spermiation, spermatozoa are formed.
4.	In spermiogenesis, spermatozoa are formed, while in spermiation, spermatozoa are released from sertoli cells into the cavity of seminiferous tubules.

Match the items given in Column I with those in Column II and select the correct option given below:

For normal fertility, what percent of the sperm in ejaculate must exhibit vigorous motility?

Transfer of sperms into the female genital tract is called:

Each seminiferous tubule is lined by male germ cells called:

FSH:

Which cell in the sperm lineage undergoes reduction division [meiosis]?

The testes are situated outside the abdominal cavity within a pouch called the scrotum. This is necessary as:

The final release of sperms from the seminiferous tubules is called:

What is the number of chromosomes in each secondary spermatocyte?