A pollen tube grows down the style because
It helps in fertilization
It takes nutrients from the style
Filiform apparatus of synergids attracts the pollen tube
Of chemical attraction
For the formation of tetrasporic embryosac, how many megaspore mother cells are required
Identify the labelling of given diagrams
In angiosperms embryosac is developed from
Generally number of integuments in the ovule of angiosperms and gymnosperms is