Which one of the following statements is false in respect of viability of mammalian sperm?
Sperm is viable for only up to $24$ hours.
Survival of sperm depends on the pH of the medium and is more active in alkaline medium.
Viability of sperm is determined by its motility.
Sperms must be concentrated in a thick suspension.
Give information about hormones associated with the process of spermatogenesis.
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
The second maturation division of the mammalian ovum occurs
In human females, meiosis-$II$ is not completed until
Draw a labeled diagram of sperm.