Which of the following are the examples of non - degradable pollutants ?
I. DDT
II. Nuclear wastes
III. Plastic materials
Select the correct option

Options

A. Both I and II
B. Both II and III
C. I,II and III
D. Both I and III

Answer

To determine which of the following are examples of non-degradable pollutants, we need to understand what non-biodegradable pollutants are. Non-biodegradable pollutants are substances that cannot be broken down into simpler, harmless substances by natural processes.

Let's analyze each option provided:

1. **DDT (Dichlorodiphenyltrichloroethane)**:
- DDT is a synthetic pesticide that is known for its persistence in the environment. It does not break down easily and can accumulate in the food chain, making it a non-biodegradable pollutant.
- **Conclusion**: DDT is a non-degradable pollutant.

2. **Nuclear Wastes**:
- Nuclear waste refers to materials that are radioactive and result from nuclear reactions. These wastes can remain hazardous for thousands of years and cannot be broken down into harmless substances through natural processes.
- **Conclusion**: Nuclear wastes are non-degradable pollutants.

3. **Plastic Materials**:
- Plastics are synthetic materials that are widely used but are known for their durability and resistance to degradation. They can take hundreds of years to decompose, making them a significant environmental concern.
- **Conclusion**: Plastic materials are non-degradable pollutants.

Now, let's summarize our findings:

- DDT: Non-degradable pollutant (Correct)
- Nuclear Wastes: Non-degradable pollutant (Correct)
- Plastic Materials: Non-degradable pollutant (Correct)

Since all three options (I, II, and III) are examples of non-degradable pollutants, the correct answer is:

**Option 3: 1, 2, and 3.**