Which of the following exotic species has become men- ace to many water bodies in India?

Options

A. Lantana camara
B. Eicchornia crassipes
C. Parthenium hysterophorus
D. Eupatorium odoratum

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for an exotic species that has become a menace to water bodies in India.

2. **Understand Exotic Species**: Exotic species are non-native species introduced to a new habitat. They can sometimes become invasive, outcompeting native species and disrupting ecosystems.

3. **Analyze the Options**: The options provided are:
- Lantana camara
- Eichhornia crassipes
- Parthenium hysterophorus
- Eupatorium odoratum

4. **Research Each Option**:
- **Lantana camara**: Known for its invasive nature on land, but not primarily a water body menace.
- **Eichhornia crassipes**: Commonly known as water hyacinth, it is notorious for clogging waterways and is referred to as the "terror of Bengal."
- **Parthenium hysterophorus**: An invasive weed but primarily affects land ecosystems.
- **Eupatorium odoratum**: Another invasive plant, but not specifically a water body menace.

5. **Conclusion**: Among the options, **Eichhornia crassipes** (water hyacinth) is the exotic species that has become a significant menace to many water bodies in India due to its rapid growth and ability to thrive in various water conditions.

**Final Answer**: Eichhornia crassipes

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