Chitinous asymmetrical structures, called male gonapophyses or phallomere represent external genitalia. They surround male gonopore. The male cockroach has -

Options

A. 2 phallomeres
B. 3 phallomeres
C. 4 phallomeres
D. 5 phallomeres

Explanation

To answer the question regarding the male cockroach's external genitalia, specifically the chitinous asymmetrical structures known as male gonapophyses or phallomeres, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Structures**: The male cockroach has specialized structures called gonapophyses or phallomeres that are made of chitin. These structures are asymmetrical and play a role in the external genitalia.

2. **Identifying the Number of Phallomeres**: The question asks how many phallomeres the male cockroach has. Based on the information provided, we need to recall the typical number of these structures.

3. **Recalling Information**: From the video transcript, it is mentioned multiple times that the male cockroach has three phallomeres. This is a key detail that directly answers the question.

4. **Conclusion**: Therefore, the male cockroach has **three phallomeres**.

### Final Answer:
The male cockroach has **three phallomeres**.

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