The secondary spermatocytes undergo the second meiotic division to produce four equal,

Which cells come earliest in the sequence of sperm production?

What does a Graafian follicle contain?

In females, at the time of birth, the oocytes are present in which form?

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 Follicle-Stimulating Hormone $(FSH)$ secreted by the anterior pituitary
$(e)$ It is initiated at puberty
Choose the most appropriate answer from the options given below:

Which of the following events is $NOT$ associated with ovulation in a human female?