Where does pollen tube developes ?
In style
In anthor
On the stigma
In stalk (Filment of anthor)
Pollens have two prominent walls which are ... $A$... and ... $B$ .... Here $A$ and $B$ refers to
Assertion : Pollen mother cells $(PMCs)$ are the first male gametophytic cells.
Reason : Each $PMC$ gives rise to two pollens.
Tectum, baculum, foot layer are the different parts of
The pollen viability period of rice and pea respectively, is