environment medium MCQ

Which of the following is a primary source of indoor air pollution in rural India?

  1. Vehicle exhaust
  2. Burning of biomass fuels for cooking
  3. Industrial emissions
  4. Construction dust

Answer: Burning of biomass fuels for cooking

Use of firewood, dung cakes, and crop residues in traditional chulhas releases harmful pollutants like carbon monoxide and particulate matter indoors.

Topic Environmental Pollution
Exam Relevance UPSC, SSC