In a pollen grain, larger nucleus is
Generative nucleus
Tube nucleus
Vegetative nucleus
None of these
Which one of the following is resistant to enzyme action?
Mature male gametophyte is derived from a 'pollen mother cell' by
The pollen viability period of rice and pea respectively, is
The vegetative cell is
Assertion : Pollen mother cells $(PMCs)$ are the first male gametophytic cells.
Reason : Each $PMC$ gives rise to two pollens.