Growth of pollen tube towards embryo sac is
Geotropism
Thigmotaxis
Chemotaxis
Phototaxis
Pollen-Pistill Interaction is mediated by
The generative cell of a two-celled pollen divides in the pollen tube but not in a three-celled pollen. Give reasons.
$60\; \%$ of the angiosperms shed their pollens at the
Through which route the pollen tube enters the ovule
Function of filiform apparatus is to