Give the ploidy of the following structures in angiospermic plants: Zygote,Endosperm,and Ovum.

Choose the correct option for the given statements:
$(i)$ In western countries, a large number of pollen products in the form of tablets and syrups are available in the market.
$(ii)$ In rice and wheat, pollen grains lose viability within $30$ months of their release.
$(iii)$ Pollen grains are stored at room temperature for future use.
$(iv)$ Pollen grains are released from the seeds of wheat and rice.

Assertion : Pollen mother cells $(PMCs)$ are the first male gametophytic cells.
Reason : Each $PMC$ gives rise to two pollens.

Select the correct option for the following statements:
$(i)$ In the embryo sac of angiosperms,the synergids and antipodals degenerate / do not degenerate after fertilization.
$(ii)$ In the leaves of dicotyledonous plants,parallel / reticulate venation is observed.

How many meiotic divisions are required to produce $101$ female gametophytes (embryo sacs) in an angiosperm?

Pollen tablets are available in the market for