Q. Tobacco smoke contains carbon monoxide, which
A) Reduces the oxygen-carrying capacity of blood
B) Causes gastric ulcers
C) Raises blood pressure
D) Is carcinogenic
Explanation
Carbon monoxide has higher affinity to combine with haemoglobin of blood than oxygen. Tobacco smoke also contains carbon monoxide, so it reduces the oxygen carrying capacity of blood.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.