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Human Health and Disease — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Disease1 Mark
MCQ
Tobacco smoke contains carbon monoxide, which:
  • ✓
    Reduces the oxygen$-$carrying capacity of blood.
  • B
    Causes gastric ulcers.
  • C
    Raises blood pressure.
  • D
    Is carcinogenic.
✓

Answer

Correct option: A.
Reduces the oxygen$-$carrying capacity of blood.

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