Question

what is the difference between pollen grains and microsporangium?

Answer 1

• Microsporangia are the structures that give rise to male gametes or microspores or pollen grains. (Microsporanium - singular).

More to know:

• Typical stamen consists of two parts, long and slender stalk called filament and terminal bilobed structure called anther.
• Each anther contains four microsporangia located at the corners, two in each lobe.
• Microsporangia become pollen sacs and are packed with pollen grains.