Terror of Bengal is not associated with this character

Options

A. free floating hydroplyte
B. most invasive weed of standing water
C. It is an introduced plant
D. it releases toxins to kill the fish

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks which characteristic is NOT associated with the "Terror of Bengal," which is another name for the water hyacinth plant.

2. **Identifying the Plant**: The "Terror of Bengal" refers to the water hyacinth, a plant that was introduced to India by the British at the end of the 18th century.

3. **Characteristics of Water Hyacinth**:
- It is a **free-floating hydrophyte**, meaning it grows in water and floats on the surface.
- It is considered the **most invasive weed of standing water**, as it can rapidly multiply and cover large areas of ponds, leading to ecological issues.
- It is an **introduced plant**, as it was brought to India from another region.

4. **Analyzing the Options**:
- **Option A**: Free floating hydrophyte - This is true for water hyacinth.
- **Option B**: Most invasive weed of standing water - This is also true.
- **Option C**: It is an introduced plant - This is true as well.
- **Option D**: It releases toxins to kill the fish - This is NOT true. Water hyacinth does not release toxins; instead, it competes for nutrients, leading to the decline of fish populations.

5. **Conclusion**: The characteristic that is NOT associated with the "Terror of Bengal" is **Option D: it releases toxins to kill the fish**.

### Final Answer:
**Option D: It releases toxins to kill the fish.**

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