The total no.of facets in the cockroach are 

Options

A. 6,000
B. 2,000
C. 4,000
D. 8,000

Answer

To determine the total number of facets in a cockroach, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Term 'Facets':**
- Facets refer to the transparent, cuticular coverings of the compound eye in insects, including cockroaches.

2. **Identify the Structure of Facets:**
- Each facet is hexagonal in shape and is part of the compound eye structure.

3. **Know the Number of Facets:**
- In the case of cockroaches, it is known that there are approximately 2,000 facets that make up the compound eye.

4. **Recognize the Function of Facets:**
- These facets play a crucial role in photoreception, allowing the cockroach to perceive light and see its surroundings.

5. **Select the Correct Answer:**
- Given the options (6,000, 2,000, 4,000, or 8,000), the correct answer is 2,000 facets.

### Final Answer:
The total number of facets in a cockroach is **2,000**.

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