Question

Frogs respire in water by skin and buccal cavity and on land by skin, buccal cavity and lungs. 

Choose the correct answer from the following : 

(1) The statement is true for water but false for land 

(2) The statement is true for both the environment 

(3) The statement is false for water but true for land 

(4) The statement is false for both the environment

Answer 1

Correct option is: (3) The statement is false for water but true for land  

• In water, frogs respire through skin and not through buccal cavity i.e., undergo cutaneous respiration only.
• On land, the buccal cavity, skin and lungs act as respiratory organs i.e., undergo buccopharyngeal , cutaneous and pulmonary respiration.