Meroblastic cleavage is
Partial cleavage
Spiral cleavage
Equal cleavage
Complete cleavage
Which of the following layers in an antral follicle is acellular?
The longest gestation period is found in
The human embryo is about one inch in length after
Assertion : Death is one of the important regulatory process on earth.
Reason : It avoids over-crowding caused by continuous reproduction.
Which of the following represents a condition, where the motility of the sperms is highly reduced?