Question

Diadelphous androecium has filaments fused in:

• A. One group
• B. Two groups
• C. Many groups
• D. Two areas, upper and lower

Answer 1

The correct option is B Two groups

Diadelphous androecium occurs when the filaments of the stamens are fused in two bundles or groups. It is seen in Dolichos flowers.

A. When the filaments of the stamens are fused in one group, it is called monadelphous.

B. When the filaments of the stamens are fused in two groups, it is called diadelphous.

C. When the filaments of the stamens are fused to form many groups it is called polyadelphous.

Hence, the correct answer is 'Two groups'