Anisogamous means both gametes are
Similar in size and non-motile
Dissimilar in size
Similar in size and motile
Dissimilar in size and non-motile only
Identify the given figure :
The animals which lay fertilized or unfertilized eggs and whole development takes place outside the body of mother are called
Calcium deficiency results in the formation of an egg with
Identify $X$ and $Y$ from the given diagram
Development of embryo from the cells of the nucellus is called