air pollution

Global warming is the result of

• Increase in concentration of green house gases

• Increase in water pollution

• Cooling of earth’s surface

• Accumulation of Ozone in Troposphere

Which gas is released by automobiles?

• Carbon monoxide

• Carbon dioxide

• Methane

• Hydrogen

Warming of earth’s surface due to absorption of heat by CO2 is:

• Global warming

• Acid rain

• Green house effect

• Ozone depletion

Marble is destroyed by which air pollutant?

• Sulphur dioxide

• Carbon dioxide

• Carbon monoxide

• Nitrogen oxide

Union Carbide company, where the worst industrial accident occurred in December 1984, is located in:

• M.P.

• A.P

• U.P.

• H.P.

Blanket of carbon dioxide (CO2) is found in:

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

Cotton dust leads to the disease:

• Pneumoconiosis

• Asbestosis

• Silicosis

• Siderosis

Stone grinders cause the disease:

• Siderosis

• Asbestosis

• Silicosis

• Pneumoconiosis

 In the early 1980s, scientists detected a thinning of the ozone layer in the atmosphere over:

• China

• America

• Japan

• Antarctica

SPM stands for:

•  Suspended Particulate Matter

•  Suspension Particulate Matter

• Settleable Particulate Matter

• None of these