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

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBreathing and Exchange of Gases1 Mark
MCQ
Air is breathed through.
  • A
    Trachea - lungs - larynx - pharynx - alveoli.
  • B
    Nose - larynx - pharynx - bronchus - alveoli - bronchioles.
  • C
    Nostrils - pharynx - larynx - trachea - bronchi - bronchioles - alveoli.
  • D
    Nose - mouth - lungs.
✓

Answer

  1. Nostrils - pharynx - larynx - trachea - bronchi - bronchioles - alveoli.

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