When microspores are formed, they exist as a cluster of how many cells?

Which of the following layers does not help in protection and dehiscence of the anther?

Consider the following statements and choose the correct answer from the given options.
$Statement \ 1$: Innermost layer of microsporangium is tapetum.
$Statement \ 2$: Cells of tapetum possess dense cytoplasm, more than one nucleus, and nourish the developing pollen grains.

What does the tapetum provide nourishment to?

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

The intine of pollen grains is composed of