Question

Tetradynamous stamens are found in

• A. Pisum
• B. Brassica
• C. Hibiscus
• D. Cucurbita

Answer 1

The correct option is B

Brassica

The correct option is B:

Explanation of the correct option:

1. Tetradynamous condition is the arrangement of stamens in two whorls.
2. The flower contains six stamens, out of which four are longer and inner and the rest is shorter and outer.
3. This type of arrangement is commonly observed in the family Brassicaceae.

Explanation of the incorrect options:

Option A:

1. Pisum has nine stamens which are fused together to form a sheath around the pistil.
2. They have diadelphous stamens.

Option C:

Many stamens are present in Hibiscus which are not arranged in a tetradynamous condition.

Option D:

1. Cucurbita has multiple stamens which are fused at the anther and the filament part.
2. This type of stamens is known as synandrous.

Final answer: Tetradynamous stamens are found in Brassica.