Pollen tablets are available in the market for . . . . . . .

How many meiotic divisions will be necessary to produce $200$ pollen grains?

Given below are two statements.
Statement $I$: Generally,anthers in angiosperms are dithecous,having two pollen sacs in each lobe.
Statement $II$: Each sporangium produces pollens from sporogenous tissues by the process of sporogenesis.
In light of the above statements,select the correct answer from the options given below.

In angiosperms,two non-motile male gametes are produced by the division of the:

In a flowering plant,the largest number of haploid cells occur in:

Which of the following statements about sporopollenin is false?