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JIPMER2015BotanyAnimal Kingdom

Which of the following animals possess non-elastic lungs with elastic air sacs connected to them?

Options

  1. AReptiles
  2. BBirds
  3. CAmphibians
  4. DMammals

Correct answer

B. Birds

Step-by-step solution

It is the feature of birds (Aves) to have non-distensible lungs continuous with thin elastic air sacs.

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