In man the foetal membrane which forms the intimate connection with the uterine tissue is
Amnion only
Chorion only
Allantois only
Allanto-chorionic structure
Which mammals have more yolk than cytoplasm in their eggs
$A$ : The most immediate effect of $FSH$ is the maturation of existing late primary or secondary follicle.
$R$ : $A$ rising level of $FSH$ causes the developing egg within the follicle to complete the first meiotic division to form a secondary oocyte.
Trace the correct path of movement of the sperms upto urethra
Prepuberal period refers to a stage of
Releasing of sperms from seminiferous tubules is called