The indoor smoke contains a range of health-damaging pollutants, which include all of the following except -: (A) Lead oxide, (B) Carbon monoxide, (C) Sulfur oxides, (D) Benzopyrenes
Answer is A. Carbon monoxide, sulphur oxides and polycyclic aromatic hydrocarbons are from fuel/ coal combustion whereas lead oxide is from remodelling/ demolition of painted surfaces. Park's Textbook of Preventive and Social Medicine, 25th edition, Page No. 795