Fertilization takes place in
Cervix
Isthmus
Ampulla
Follicle
$A$ : Middle piece of sperm is called powerhouse.
$R$ : It contains mitochondria.
Androgen stimulates the $...A...$ FSH acts on the $...B...$ and stimulates factors for spermiogenesis. Here $A$ and $B$ refers to
Ovulation in mammals refers to
Which one of the following statements is false in respect of viability of mammalian sperm?
$A$ : In spermatogenesis, the first haploid forms are spermatids.
$R$ : All the end of meiosis cells have haploid set of chromosomes.