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Breathing and Exchange of Gases — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYBreathing and Exchange of Gases1 Mark
MCQ
Even when there is no air in the trachea, it does not collapse because of:
  • A
    Presence of chitinous rings
  • B
    Presence of bony rings
  • ✓
    Presence of cartilaginous rings
  • D
    Turgid pressure
✓

Answer

Correct option: C.
Presence of cartilaginous rings

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