Fertilizins are the substances emitted from
Mature egg
Sperms
Immature egg
Polar body
To reduce the weight of spermatozoan and enhance its motility nucleus undergoes which of the following change
Given below is an incomplete flow chart showing influence of hormones of gametogenesis in human females. $A, B, C$ and $D$ in the chart refers to
Coelom is found between the cavity of
The longest visceral muscle cell is present in
Tablets to prevent contraception contain