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STD 11 - 14. Breathing and exchange in gases — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 14. Breathing and exchange in gases1 Mark
MCQ
Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to
  • A
    benign growth on mucous lining of nasal cavity.
  • ✓
    inflammation of bronchi and bronchioles.
  • C
    proliferation of fibrous tissues and damage of the alveolar walls.
  • D
    reduction in the secretion of surfactants by pneumocytes.
✓

Answer

Correct option: B.
inflammation of bronchi and bronchioles.
b

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