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

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 14. Breathing and exchange in gases4 Marks
MCQ
$A$ : Emphysema is a chronic obstructive disease of lung, causing irreversible distension and loss of elasticity of alveoli.
$R$ : Emphysema is preventable if chronic exposure to smoke (cigarette and others) and pollutants is avoided.
  • A
    Assertion and Reason both are correct and also correct explanation.
  • ✓
    Assertion and Reason both are correct but not explanation of assertion.
  • C
    Assertion is correct, but Reason is incorrect.
  • D
    Both Assertion and Reason are incorrect.
✓

Answer

Correct option: B.
Assertion and Reason both are correct but not explanation of assertion.
b
Emphysema is due to inflation of alveoli.

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