The minimum number of barriers present between foetal and maternal blood is present in which type of placenta?
Syndesmochorial
Haemochorial
Haemoendothelial
Endotheliochorial
In the given diagram find out, $A, B$ and $C$
Give scientific reasons : When male excites sexually epididymis wall shrinks / contracts.
$GnRH$ stimulates two hormones from anterior lobe of pituitary
In the diagram of section of Graafian follicle, different parts are indicated by alphabets; choose the answer in which these alphabets have been correctly matched with the parts they indicate.