Blood from seminal vesicles and gonads is collected by:-

Options

A. Dorsal vessel
B. Ventral vessel
C. Subneutral vessel
D. Lateral oesophageal vessel

Answer

To answer the question "Blood from seminal vesicles and gonads is collected by:", follow these steps:

### Step-by-Step Solution:

1. **Identify the Structures Involved**:
- Understand that the question pertains to the anatomy of the cockroach, specifically focusing on the blood circulation system and the organs involved (seminal vesicles and gonads).

2. **Understand the Function of Blood Vessels**:
- Blood vessels in cockroaches play a crucial role in collecting and transporting blood from various organs back to the heart.

3. **Recognize the Specific Vessels**:
- The key vessels mentioned in the context are the dorsal vessel, ventral vessel, sub-neural vessel, and lateral esophageal vessel.

4. **Focus on the Lateral Esophageal Vessels**:
- According to the information provided, blood from the gonads and seminal vesicles is specifically collected by the lateral esophageal vessels.

5. **Conclusion**:
- Therefore, the answer to the question is that blood from the seminal vesicles and gonads is collected by the **lateral esophageal vessels**.

### Final Answer:
Blood from seminal vesicles and gonads is collected by the **lateral esophageal vessels**.

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