Question

In cockroach expiration takes place through

• A. Prothoracic spiracles
• B. Thoracic spiracles
• C. All spiracles
• D. Abdominal spiracles

Hint:

In cockroaches, the abdominal spiracles are involved in the process of expiration, unlike the thoracic or prothoracic spiracles.

Answer 1

The Correct Option is D

The cockroach expels air through the abdominal spiracles. These are the openings present in the abdomen, which help in the expulsion of air during the expiration process.