The process of the acrosome in a sperm can be associated with which of the following?

Given below are two statements :
Statement-$I$ : Each primary oocyte gets surrounded by a layer of granulosa cells and is called a primary follicle.
Statement-$II$ : At puberty,only $60,000-80,000$ primary follicles are left in each ovary.
In the light of the above statements,choose the most appropriate answer from the options given below :

How many spermatozoa are produced from a primary spermatocyte during spermatogenesis?

How many chromosome numbers are present in primary spermatocytes of human?

Which of the following hormones is secreted in a high amount,causing ovulation in women?

Which endocrine structure is formed after ovulation?