The anther wall consists of four wall layers where
Endothecium lies inner to middle layers
Tapetum lies just inner to endothecium
Tapetum lies next to epidermis
Middle layers lie between endothecium and tapetum
What is the function of germ pore?
...........and.......... pollen loose viability within $30$ minutes
Identify $A$ to $E$ in the following diagram
Which part of the reproductive structure produces both enzymes and hormones