Question

In fish, respiration takes place through:

• A. mouth
• B. gills
• C. nose
• D. lungs

Hint:

Fish use gills to extract dissolved oxygen from water.

Answer 1

The Correct Option is B

Fish respire through gills, which extract oxygen from water and expel carbon dioxide. The gill filaments provide a large surface area for gas exchange. Thus, the correct answer is \( \mathbf{(B) \text{gills}} \).