Which of the following is insecticide ?

Options

A. DDT
B. TNT
C. TNB
D. Aspirin

Answer

To determine which of the given options is an insecticide, we can analyze the substances mentioned in the video transcript.

### Step-by-Step Solution:

1. **Identify the substances mentioned**: The transcript mentions DDT, TNT, TNB, and aspirin.

2. **Define each substance**:
- **DDT (Dichloro-Diphenyl-Trichloroethane)**: This is a synthetic insecticide that was widely used for pest control.
- **TNT (Trinitrotoluene)**: This is an explosive, primarily used in military applications.
- **TNB (Trinitrobenzene)**: This is also an explosive, used for commercial purposes like mining.
- **Aspirin**: This is an analgesic, which is used to relieve pain.

3. **Determine which substance is an insecticide**:
- Among the substances listed, DDT is specifically known for its use as an insecticide. The other substances (TNT, TNB, and aspirin) serve different purposes and are not classified as insecticides.

4. **Conclusion**: The insecticide from the options provided is **DDT**.

### Final Answer:
**DDT (Dichloro-Diphenyl-Trichloroethane) is the insecticide.**

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