The term Terror of Bengal' is used for

Options

A. Bengal tiger
B. Water hyacinth
C. Algal bloom
D. Aquatic fauna

Answer

**Step-by-Step Solution:**

1. **Understanding the Term**: The term "Terror of Bengal" refers to a specific entity that has a significant impact on the environment in Bengal.

2. **Analyzing the Options**: We have four options to consider:
- Option 1: Bengal tiger
- Option 2: Water hyacinth
- Option 3: Algal bloom
- Option 4: Aquatic fauna

3. **Identifying the Correct Answer**:
- The Bengal tiger is a well-known animal but does not fit the description of "terror" in the context of environmental issues.
- Algal bloom refers to a rapid increase in algae in water bodies but is not commonly referred to as the "Terror of Bengal."
- Aquatic fauna encompasses all aquatic animals, which again does not fit the description.
- Water hyacinth, scientifically known as Eichhornia, is an invasive aquatic weed that grows rapidly and can choke water bodies, making it a significant environmental concern.

4. **Conclusion**: Based on the analysis, the term "Terror of Bengal" is used for **Water Hyacinth**.

**Final Answer**: The term "Terror of Bengal" is used for **Water Hyacinth**.

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