Question

In a flower, pollen grains are present in __________.

• A. Filaments
• B. Anthers
• C. Style
• D. Ovary

Answer 1

The correct option is B

Anthers

The correct option is B.

Explanation of the correct option:

1. Stamen forms the third whorl, inner to petals. They are the male reproductive part of the flower.
2. Each stamen has two parts, filament and anther.
3. The anther is a bilobed structure present at the tip of the filament. An anther contains fine particles called pollen grains.

Explanation of the incorrect options:

Option A:

1. Stamen is the male reproductive part of the flower and consists of two parts, filament, and anther.
2. The filament is a thin, long slender part that carries the anther on top.

Option C:

1. Carpels also called the pistil, form the fourth or the innermost whorl of the flower. They are the female reproductive part of the flower.
2. Each carpel has three parts: stigma, style, and ovary.
3. Style is the neck of the carpel, attached to the stigma.

Option D:

1. Carpels also called the pistil, form the fourth or the innermost whorl of the flower. They are the female reproductive part of the flower.
2. Each carpel has three parts: stigma, style, and ovary.
3. The ovary is the lowermost swollen part. It contains one or more ovules.

Final answer: In a flower pollen grains are present in anthers.