12th Class Geography Solved Paper - Geography 2015 Delhi Set-I

  • question_answer Define the term 'air pollution'. Explain any two harmful effects of air pollution.


    Air pollution defined as addition of contaminants like dust, fumes, gas, fog, odor, smoke or vapor to the air in large proportion and duration that may have harmful effect.
    The harmful effect of air pollution are:
    (i) It causes various diseases like respiratory, nervous and circulatory systems.
    (ii) It causes urban smog which is has adverse effect on respiratory system.
    (iii) It can cause acid rain which can damage flora, fauna and to property.

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