Eunuchoidism is due to the failure of production of
$FSH$
$Testosterone$
$ICSH$
$Oestrogen$
Which of the following groups of hormones are produced in women only during pregnancy?
The chemical substance found in the surface layer of cytoplasm of spermatozoa is
$A$ : In human, ovum is alecithal type.
$R$ : It is almost free of yolk
Eggs of reptiles and birds are
In which of the following organism testes descends into scrotum in breeding season but in non-breeding season goes up