Given below are two statements.
Statement I: Frogs respire on land and in the water by two different methods.
Statement II: When completely submerged in water, frog can respire by the buccal cavity and lungs.
In the light of above statements, choose the correct answer from the options given below.

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Statement I is incorrect, but statement II is correct.

Both statement I and statement II are correct.

Statement I is correct, but statement II is incorrect.

Both statement I and statement II are incorrect.

answer is A.

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Detailed Solution

Frogs respire on land and in the water by two different methods. When completely submerged in water, skin acts as aquatic respiratory organ (cutaneous respiration). On land, the buccal cavity, skin and lungs act as the respiratory organs. The respiration by lungs is called pulmonary respiration.

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