Question

What is the correct biological term for a compact mass that forms when all the microspores within a pollen sac remain entirely united together as a single structure?

Options

• Compound pollen grain

• Sporoderm

• Pollinium

• Isobilateral tetrad

Answer 1

Pollinium

Explanation:

A pollinium is defined as a specialized, compact structure where every microspore produced within a single pollen sac stays tightly united together rather than separating.