The immatured stage eggs are called as
Microlecithal
Oogenesis
Oocyte
Zygote
Fertilization takes place in
Assertion : Head of sperm consists of acrosome and mitochondria.
Reason : Acrosome contains spiral row of mitochondria.
Enzyme required for fertilization of sperm and ovum is located in the ......... of sperms.
Androgen stimulates the $...A...$ FSH acts on the $...B...$ and stimulates factors for spermiogenesis. Here $A$ and $B$ refers to
The figure given below shows the sectional view of ovary. Select the option which gives correct identification of marked structure ( $A$ to $D$ ) and its feature.