Question

Q10. When the filaments are united in two bundles it is called ____.
Flower lacking both the reproductive part are called ___.
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Answer 1

Explanation:

When the stamens are united in two bundles, the condition is called diadelphous condition. Both pea and Sesbania belong to the family Fabaceae and show the diadelphous condition. In China rose, Monadelphous condition is found, that means, there is one bundle of the stamens.

Hence, the correct answer is 'Both (1) & (3)'.

Answer 2

Explanation:

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.

A flower that lacks stamens is pistillate, all four organs, while an incomplete flower is missing at least one. A bisexual (or “perfect”) flower has both stamens and carpels, and a unisexual (or “imperfect”) flower either lacks stamens (and is called carpellate) or lacks carpels (and is called staminate).