Cockroach egg is called as
Microlecithal
Macrolecithal
Isolecithal
Centrolecithal
The rate of cleavage is inversely proportional to the duration of
The membrane investing the ovum just outside the membrana granulosa is
Graafian follicles are produced by the ovary by the process of
In $28$ day human menstrual cycle, ovulation occurs on
Blood flowing in umbilical cord is