A carpel is composed of three parts : ………..,…… and …..

Explanation

**Step-by-Step Text Solution:**

1. **Understanding the Carpel**: A carpel is a fundamental part of the flower and is also referred to as the pistil. It is the female reproductive structure of flowering plants (angiosperms).

2. **Identifying the Components**: The carpel is composed of three main parts:
- **Stigma**: This is the top part of the carpel. It serves as the landing platform for pollen grains, which are essential for fertilization.
- **Style**: This is a long, slender stalk that connects the stigma to the ovary. Its primary function is to provide nourishment to the pollen tube as it grows down towards the ovary.
- **Ovary**: This is the swollen base of the carpel. The ovary contains ovules and is the site where fertilization occurs.
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