- Home
- Standard 12
- Biology
7.Human Health and Disease
medium
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
(AIEEE-2003)
Solution
(a) Because $CO$ has higher affinity to combine with haemoglobin of blood than oxygen.
Standard 12
Biology