Air Pollution Multiple Choice Questions with Answers – PDF Download

MCQ 1: Which of the following is produced when electrical discharges pass through oxygen in the air?

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

MCQ 2: 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

MCQ 3: 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

MCQ 4: 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

MCQ 5: 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