Meroblastic cleavage refers to one of the following types of division of eggs
Total
Partial
Spiral
Horizontal
Blastopore is found in
Which one of the following is the incorrect match of the events occurring during menstrual cycle?
After a sperm has penetrated an ovum in the process of fertilization, entry of further sperms is prevented by
Which one of the following statement is correct
The primordial germ cells make their appearance from wall of