Question

In frog, cutaneous respiration takes place

• A. In water
• B. On land
• C. During Hibernation
• D. Throughout the life

Answer 1

The correct option is D Throughout the life

Amphibians like frogs have thin moist skin which is richly vascular. This is a type of adaptation for performing cutaneous respiration. In normal conditions, frog shows 35% cutaneous respiration, 9% buccopharyngeal respiration and 56% pulmonary respiration. This type of respiration occurs throughout life.

Hence the correct option is D.