From the following, identify the plants having inflorescences with male, female and sterile gall flowers

Options

A. Casuarina
B. Helianthus
C. Ficus
D. Colacasia

Answer

To identify the plants having inflorescences with male, female, and sterile gall flowers, we will analyze each plant mentioned in the question based on the characteristics of their flowers.

### Step-by-Step Solution:

1. **Understanding Gall Flowers**:
- Gall flowers are characterized by having short styles, which means that the stigma, style, and ovary are not well-developed. This makes these flowers dependent on external agents, such as insects (like wasps or bees), for pollination.

2. **Analyzing Each Plant**:
- **Casuarina**:
- This plant belongs to the Casuarinaceae family. It has long styles, which means it does not have gall flowers. Therefore, it does not have male, female, or sterile gall flowers.

- **Helianthus**:
- Helianthus, commonly known as sunflower, is part of the daisy family. It has a well-developed structure with many petals and reproductive organs. The styles are not short, so it does not produce gall flowers either.

- **Ficus**:
- Ficus, also known as the fig tree, has flowers with very short styles. This characteristic makes it reliant on wasps for pollination. Ficus produces male, female, and sterile gall flowers, as the structure of its flowers fits the definition of gall flowers.

- **Colocasia**:
- Colocasia, belonging to the Araceae family, has flowers with normal-length styles. Therefore, it does not produce gall flowers.

3. **Conclusion**:
- After analyzing all four plants, we find that only **Ficus** has inflorescences with male, female, and sterile gall flowers.

### Final Answer:
The plant that has inflorescences with male, female, and sterile gall flowers is **Ficus**.

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