Which of the embryo has parasite mode of nutrition.
Bird's embryo
Amphibian embryo
Reptilian embryo
Mammalian embryo
The function of egg cell is/are
Which hormone is secreted only post pregnancy in women?
Growth and maturation of Graafian follicle is controlled by ...........
Structure connecting the foetus to placenta is
In the given diagram find out, $A, B$ and $C$