NPV based insecticide has been found to eliminate bollworms which causes extensive damage to

Options

A. Coconut palms
B. Cotton
C. Wheat
D. Mango

Answer

To solve the question regarding NPV-based insecticides and their effectiveness against bollworms, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks about the effectiveness of NPV-based insecticides against bollworms and which crop they damage.

2. **Identify NPV**: NPV stands for Nuclear Polyhedrosis Virus. It is a type of virus that specifically targets certain insect pests.

3. **Know the Target Insects**: NPV is particularly effective against moths and butterflies, which are common pests in agriculture.

4. **Recognize the Pest**: Bollworms are a specific type of pest that primarily affects cotton crops. They are known for causing extensive damage to cotton plants.

5. **Evaluate the Options**: The options provided are:
- Coconut palms
- Cotton
- Wheat
- Mango

6. **Select the Correct Answer**: Since bollworms are known to be pests of cotton, the correct answer is **Cotton** (Option B).

### Final Answer:
The NPV-based insecticide has been found to eliminate bollworms, which cause extensive damage to **Cotton**.

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