Question

Trachea is a respiratory organ in

• A. Bird
• B. Frog
• C. Insect
• D. Fish

Answer 1

The correct option is C

Insect

The correct option is C.

Explanation of the correct option:

1. The trachea is also called the windpipe.
2. The trachea is surrounded by cartilaginous rings which prevent the trachea from collapsing in the absence of air.
3. The trachea is present in insects and humans.

Explanation of the incorrect options:

Option A:

1. Birds have lungs as their respiratory organ.

Option B:

1. The frogs respire through their skin.

Option D:

1. The fish respire through gills and take up the dissolved oxygen in the water.

The insects have the trachea as their respiratory organ.