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Solution


Q.

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 :                              [2025]
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  

Ans.

(3)

•   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.