Air Pollution MCQ (Multiple Choice Questions) PDF Download

Which of the following is produced when electrical discharges pass through oxygen in the air?

1. chlorofluorocarbons
2. methane
3. ozone
4. lead compounds

How much higher can be the temperature inside a greenhouse as compared to the outside?

1. 20 °C higher
2. 10 °C to 15 °C higher
3. 5 °C higher
4. 25 °C higher

If silk clothes are left in the open air for a week or so, their color fades because of

1. sulphur dioxide is converted into sulphur trioxide
2. dirt
3. carbon monoxide
4. nitrogen oxides

Which of the following is a powerful irritant which can aggravate the symptoms of people who suffer from respiratory disorders?

1. sulphur dioxide
2. carbon monoxide
3. carbon dioxide
4. oxides of nitrogen

Which two main gases are produced when you burn a piece of wood?

1. oxygen and nitrogen
2. carbon dioxide and oxygen
3. carbon dioxide and carbon monoxide
4. carbon dioxide and nitrogen