How many chromosomes are present in an unfertilized egg?

If $10$ primary oocytes produce $10$ ova,how many ova will be formed after the process of oogenesis?

$A$: In spermatogenesis,the first haploid forms are spermatids.
$R$: At the end of meiosis,cells have a haploid set of chromosomes.

Given below are two statements:
$Statement-I$: At the onset of puberty, the pituitary gland begins secretion of gonadotropin releasing hormone.
$Statement-II$: $GnRH$ initiates the significant increase in the secretion of follicle stimulating hormone $(FSH)$ which induces gametogenesis.
In light of above statements, choose the correct appropriate answer from the options given below.

Graafian follicle gets converted into . . . . . . after ovulation under the effect of . . . . . . .

Which of the following groups of cells in the male gonad represent haploid cells?