PDF chapter test TRY NOW
Pick the odd-one-out from each of the groups given below on the basis of respiratory organs. Give reason for your answer.
Crocodile, whale, dolphin, fish
Reason
Answer variants:
Dolphin respire via skin.
Fish respire via gills.
Whale respire via trachea.
Crocodile respire via skin.
whale
fish
dolphin
crocodile
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