Question

what is the difference between microsporangia, microsporangium & megasporangia, megasporangium?

Answer 1

Microsporangia are the structures that give rise to male gametes or microspores or pollen grains. Microsporangia is the plural form while microsporanium in singular.

Megasporangia are the structures that give rise to female gametes or megaspores or ovules. Megasporangia is the plural form while megasporanium in singular.