The central nervous system develops as a result of
Metamorphosis
Gastrulation
Neurulation
Invagination
The cleavage having incomplete division of egg is known as
What helps in the penetration of egg by the sperm
$A$ : After menopause the levels of blood gonadotropins will rise markedly.
$R$ : At the time of menopause all the ovarian follicles are converted into follicular atresia and the ovaries are not responding to the gonadotropins
Give the name of two hormones $A$ and $B$ in the figure given below
In mammals, corpus luteum is found in which organ?