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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
In emphysema.
  • A
    Gas exchange area of lungs is reduced.
  • B
    Gas exchange area of lungs is increased.
  • C
    Trachea gets narrowed.
  • D
    Larynx is permanently closed.
✓

Answer

  1. Gas exchange area of lungs is reduced.

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