$A$ plant that develops directly from a pollen grain is called ....

Which of the following is surrounded by a cell wall?

Which layer of the microsporangium consists of multiple layers of cells?

Identify the structure given below.

Select the correct option in which the following terms are arranged in the correct developmental sequence:
$(A)$ Pollen grain
$(B)$ Pollen mother cell
$(C)$ Microspore tetrad
$(D)$ Male gametes
$(E)$ Sporogenous tissue

If the developing microspore mother cells draw nourishment by contacting the tapetal cells,the type of tapetum is called