Question

Which of the following statements is correct about the respiration in frog?
(i) In frog, cutaneous and pulmonary respiration are found
(ii) A pair of elongated pink hollow lungs are found in thorax.
(iii) During aestivation and hibernation, gaseous exchange takes place through skin.

• A. (i), (ii) and (iii)
• B. (i) and (iii)
• C. (ii) and (iii)
• D. (i) and (ii)

Answer 1

Answer: (A)

(i), (ii) and (iii)

In water, frogs respire through skin (cutaneous respiration). When on land, buccal cavity, skin and lungs, all act as respiratory organs. The respiration by lungs is known as pulmonary respiration. Lungs are a pair of elongated pink hollow structures found in the thorax. During aestivation and hibernation, gaseous, exchange takes place through skin.