Mark the incorrect chosice of ill effcts caused by the pollutant .

Options

A. Lead - Kidney , Liver , Reproductive system
B. Fluoride- Bones and teeth
C. Nitrate - Blue baby's syndrome
D. Sulphur dioxide - Nervous system diseases

Explanation

To solve the question of identifying the incorrect choice of ill effects caused by pollutants, we will analyze each option provided.

### Step-by-Step Solution:

1. **Identify the Pollutants and Their Effects**:
- We have four pollutants to analyze: Lead, Fluoride, Nitrate, and Sulfur Dioxide.

2. **Option 1: Lead**
- Lead is known to be a toxic metal that can cause various health issues.
- Common effects include kidney failure, liver problems, and reproductive system issues.
- **Conclusion**: This option is correctly matched.

3. **Option 2: Fluoride**
- Fluoride is known to cause problems related to bones and teeth.
- High concentrations of fluoride can lead to tooth decay and other dental issues.
- **Conclusion**: This option is correctly matched.

4. **Option 3: Nitrate**
- Nitrate ions can be harmful, especially in high concentrations in water.
- They are known to cause "blue baby syndrome," which affects infants and is linked to the conversion of nitrate to nitrite in the body.
- **Conclusion**: This option is correctly matched.

5. **Option 4: Sulfur Dioxide**
- Sulfur dioxide is primarily known for causing respiratory issues.
- It can lead to asthma, lung problems, and other breathing difficulties.
- The statement that it causes nervous system-related diseases is incorrect.
- **Conclusion**: This option is incorrectly matched.

### Final Answer:
The incorrect choice of ill effects caused by the pollutant is **Option 4: Sulfur Dioxide**.

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