A yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life. What is this dust called ?

Options

A. Pollen
B. Sperm
C. Spore
D. Sporocyst

Explanation

**Step-by-Step Solution:**

1. **Identify the Context**: The question describes a yellow dust that appears on fingers when touching the middle of a flower. This indicates that we are dealing with a part of the flower that produces a fine powder.

2. **Recognize Flower Anatomy**: In flowers, the middle part typically refers to the reproductive structures. The male reproductive part of a flower is known as the stamen, which consists of two main parts: the anther and the filament.

3. **Focus on the Anther**: The anther is the part of the stamen that produces pollen. Pollen is a fine, powdery substance that contains the male gametes (sperms) of the plant.

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