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Class 11BiologyBreathing and Exchange of GasesRespiratory organs
Medium

In which of the following animals,respiration occurs without any respiratory organ?

  • A
    Fish
  • B
    Frog
  • C
    Cockroach
  • D
    Earthworm
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Class 11 Questions

Class 11

Biology Questions

Chapter

Breathing and Exchange of Gases

Subtopic

Respiratory organs

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