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Class 11BiologyBreathing and Exchange of GasesRespiratory organs
Easy

In insects,oxygen is carried to different tissues by

  • A
    Diffusion through surface
  • B
    Tracheal tubes
  • C
    Respiratory pigment through blood
  • D
    Gills
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Class 11 Questions

Class 11

Biology Questions

Chapter

Breathing and Exchange of Gases

Subtopic

Respiratory organs

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