Which pesticide is a herbicide

Options

A. Malathion
B. Lindane
C. BHC
D. 2,4-D

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a pesticide that is classified as a herbicide. Herbicides are chemicals used to control or kill unwanted plants, particularly weeds.

2. **Identifying the Options**: The options given are:
- Melathion
- Lendane
- BHC
- 2,4-D

3. **Analyzing Each Option**:
- **Melathion**: This is an organophosphate insecticide, primarily used to control insects. It does not act as a herbicide.
- **Lendane**: This is a form of hexachlorocyclohexane, which is also an insecticide. It is not used for weed control.
- **BHC (Beta Hexachlorocyclohexane)**: This is another insecticide, similar to Lindane, and does not serve as a herbicide.
- **2,4-D**: This stands for 2,4-Dichloro-Phenoxyacetic acid. It is a systemic herbicide that specifically targets dicot weeds, making it effective for weed control in cereal crops without harming monocot plants.

4. **Selecting the Correct Answer**: Based on the analysis, the only option that is a herbicide is **2,4-D**.

5. **Conclusion**: Therefore, the correct answer to the question "Which pesticide is a herbicide?" is **2,4-D**.

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