The ratio of the nucleus to cytoplasm at the beginning of cleavage is
Very low
Very high
Normal
A bit higher than the normal
Accessory glands of human male reproductive system are
Find $\mathrm{A}$ and $\mathrm{B}$ in the figure
Assertion : Mammalian ova produces hyaluronidase.
Reason : The eggs of mammal are microlecithal and telolecithal.
The best definition of the process of gastrulation is that, it is a process where the
The longest visceral muscle cell is present in