Question : The major source of indoor air pollution in developing countries is:
Option 1: Industrial emissions
Option 2: Cooking fuels like wood and dung
Option 3: Vehicular emissions
Option 4: Power plant emissions
Correct Answer: Cooking fuels like wood and dung
Solution : The correct answer is (B) Cooking fuels like wood and dung
In developing countries, the major source of indoor air pollution is often the use of traditional cooking fuels such as wood, dung, crop residues, and coal. These fuels are commonly used for cooking and heating purposes in households that lack access to clean energy sources. The burning of these solid fuels releases pollutants into the indoor air, including particulate matter, carbon monoxide, nitrogen oxides, and volatile organic compounds. Prolonged exposure to indoor air pollution from cooking fuels can have significant health impacts, particularly respiratory diseases and cardiovascular problems.
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