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STD 12 - 7. human health and disease — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 7. human health and disease1 Mark
MCQ
‘Asthama' is due to
  • A
    Infection of trachea
  • B
    Infection of lungs
  • C
    Bleeding into pleural cavity
  • ✓
    Spasm in bronchial muscles
✓

Answer

Correct option: D.
Spasm in bronchial muscles
d
It’s obvious.
 

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