Yolk of egg in the vertebrates is formed in
Ovum
Lungs
Liver
Kidney
What is correct for Testis of human ?
shape - Length
Allantois develops from the embryonic
The corpus luteum secretes progesterone which negatively feeds back and inhibits the release of
Cleavage in bird's egg is
Find $\mathrm{A}$ and $\mathrm{B}$ in the figure