In male cockroach, a pair of testis are located one on each lateral side in the abdominal segment -

Options

A. 6th - 10th
B. 6th-8th
C. 4th - 6th
D. 10th - 12th

Answer

To answer the question regarding the location of the testes in male cockroaches, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Male Reproductive System of Cockroach**:
- The male cockroach has a pair of testes, which are responsible for producing sperm.

2. **Identify the Location of Testes**:
- The testes are located on each lateral side of the body. This means that one testis is found on the left side and the other on the right side.

3. **Determine the Abdominal Segments**:
- The question asks for the specific abdominal segments where these testes are located.
- In male cockroaches, the testes are situated in the abdominal segments.

4. **Select the Correct Segment Range**:
- The options provided are:
- A) 6th to 10th
- B) 6th to 8th
- C) 4th to 6th
- D) 10th to 12th
- Based on biological studies, the testes of male cockroaches are located in the 4th to 6th abdominal segments.

5. **Conclude the Answer**:
- Therefore, the correct answer is **C) 4th to 6th**.