Which is the female sex organ in a flower?

Options

A. Pistil
B. Stamen
C. Carpel
D. both 1 and 3

Answer

To answer the question "Which is the female sex organ in a flower?", we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Parts of a Flower**:
- A flower is composed of four main parts: sepals, petals, stamens, and pistils.

2. **Define Each Part**:
- **Sepals**: These are the green, leaf-like structures that protect the flower bud.
- **Petals**: These are the colorful parts of the flower that attract pollinators.
- **Stamens**: This is the male reproductive part of the flower, consisting of the anther and filament.
- **Pistil (or Carpel)**: This is the female reproductive part of the flower.

3. **Focus on the Female Sex Organ**:
- The pistil (or carpel) is specifically the female sex organ of the flower. It consists of three parts:
- **Stigma**: The sticky top part that receives pollen.
- **Style**: The slender stalk that connects the stigma to the ovary.
- **Ovary**: The swollen base that contains the ovules.

4. **Conclusion**:
- The female sex organ in a flower is known as the **pistil** or **carpel**.

5. **Final Answer**:
- Therefore, the correct answer to the question is **pistil** (or carpel).