When mouth develops from blastopore, the organism is called
Deutrostomia
Protostomia
Blastostomia
None of these
The fifth cleavage of the fertilized egg of frog results in the formation of
Bartholin glands are also called
Which one of the following statement is correct
The layer of uterus which becomes much eroded due to placental villi is known as
During cleavage $DNA$ synthesis