Q. Consider the following statements regarding Indoor Air Pollution:
1.In rural areas, burning of traditional fuels like firewood, charcoal, and cow dung is a major source of indoor air pollution.
2.Radon is a naturally occurring gas from soil, which is primarily emitted from carpets and wooden furniture.
3.Formaldehyde is mainly released from carpets, particle boards, and insulation foam.
How many of the statements given above are correct?
Answer: B
Notes:
Explanation:
- Rural indoor pollution is mostly due to biofuels like firewood, charcoal, and cow dung burned in enclosed kitchens.
- Radon is not emitted from carpets or furniture — it is a naturally occurring gas released from soil and can accumulate indoors due to poor ventilation.
- Formaldehyde mainly comes from carpets, particle boards, and insulation foam.
Source: Environment (N.C.E.R.T)
