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This set of MCQs helps students to learn about air pollution which is a mixture of solid particles and gases in the air such as air emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part of air pollution in cities.
Which gas is mainly produced due to incomplete burning of wood?
Which of the following is involved in production of carboxy haemoglobin?
Which of the following is a liquid form of aerosol?
X ray films are a source of which of the following gas?
Which of the following leads to a disease called broncho spasm?
Which of the following is a secondary air pollutant?
When environmental Lapse Rate (ELR) is less is than Adiabatic Lapse Rate (ALR), then which of the following occurs?
_______ occurs when atmospheric temperature increases with height.
When environmental Lapse Rate (ELR) is equal to the Adiabatic Lapse Rate (ALR), then which of the following occurs?
The wet adiabatic rate is greater than the dry adiabatic rate.
When Environmental Lapse Rate (ELR) is greater than Adiabatic Lapse Rate (ALR), then which of the following occurs?
Which of the following is the absorption unit?
The maximum size of fly ash is ___________.
1μm
100μm
1000μm
10μm
The minimum size of the smoke particle is ___________.
0.2μm
1μm
0.8μm
0.5μm
The permissible concentration of PM 10 in the air is ___________.
60μg/m3
40μg/m3
50μg/m3
20μg/m3
