Solved UPSC CDS/OTA Question
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Q · Environmental PollutionMedium · 45s
Which of the following is a major cause of indoor air pollution in rural India?
TopicEnvironmental Pollution
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Firewood, cow dung, and crop residue used indoors for cooking cause high levels of PM and CO.
Final Answer: Option C — Use of biomass for cooking