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Question

Match the following air pollutants corresponding to their sources.

A. Sulphur dioxide 1. Combustion of fossil fuels in vehicles
B. Oxides of nitrogen 2. Construction sites
C. Carbon monoxide 3. Petroleum refining
D. Particulate matter 4. Incomplete combustion of fossil fuel

A
A-2, B-3, C-1, D-4
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B
A-3, B-1, C-4, D-2
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C
A-1, B-3, C-2 D-4
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D
A-2, B-4, C-1, D-3
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Solution

The correct option is B A-3, B-1, C-4, D-2
  • Sulphur dioxide is produced by petroleum refining and coal power plants, it causes acid rain.
  • Oxides of nitrogen are mainly produced by combustion of fossil fuels in vehicles, it causes acid rain and smog.
  • Carbon monoxide is produced by incomplete combustion of fuel, it combines with haemoglobin in blood and destroys oxygen carrying capacity of blood.
  • Particulate matter emit directly from construction sites, it causes asthma and bronchitis in human beings.

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