Question

Choose the correct answer from the allternatives given.
What are the respiratory organs in cockroach ?

• A. Lung
• B. Trachea
• C. Skin
• D. None of these

Answer 1

The correct option is B Trachea

When the air enters the respiratory system of a cockroach through these external openings, spiracles act as muscular valves, leading to the internal respiratory system. The respiratory organ of cockroach is known as tracheae. The trachea is a dense networked array of air tubes in the internal system.

So, the correct option is 'Trachea'.