In humans, at the end of the first meiotic division, the male germ cells differentiate into the

Name the hormones involved in regulation of spermatogenesis.

Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis?

$(a)$ It results in the formation of haploid gametes

$(b)$ Differentiation of gamete occurs after the completion of meiosis

$(c)$ Meiosis occurs continuously in a mitotically dividing stem cell population

$(d)$ It is controlled by the Luteinising hormone (LH) and FollicleStimulating Hormone (FSH) secreted by the anterior pituitary

$(e)$ It is initiated at puberty

Choose the most appropriate answer from the options given below:

In testis, the immature germ cells produce sperm by $...A...$ at puberty $...B...$ present on the inside wall of seminiferous tubules multiply by$ ...C..$. division and increase their number. Identify $A$,$B$ and $C$ from the above statement

How many spermatozoa are formed from one secondary spermatocyte ?

Which of the following phase in development of a sperm has no counterpart in development of an ovum