Match List I (Pollutant) with List II (Major Effect) and choose the correct answer:

List I

i.Carbon Monoxide

ii.Sulphur Dioxide

iii.Chlorofluorocarbons

iv.Particulate Matter

List II

a.Depletion of ozone layer

b.Reduces oxygen-carrying capacity of blood

c.Causes acid rain

d.Respiratory disorders

Ai-b, ii-c, iii-a, iv-d ✓ Correct

Bi-c, ii-b, iii-d, iv-a

Ci-b, ii-a, iii-c, iv-d

Di-d, ii-c, iii-b, iv-a

Correct answer: (A) i-b, ii-c, iii-a, iv-d

Explanation

The correct matches are carbon monoxide reducing the blood's oxygen-carrying capacity, sulphur dioxide causing acid rain, chlorofluorocarbons depleting the ozone layer, and particulate matter causing respiratory disorders.

Carbon monoxide pairs with reduced oxygen carrying capacity because it binds haemoglobin far more strongly than oxygen.

Sulphur dioxide pairs with acid rain as it forms sulphuric acid in the atmosphere.

Chlorofluorocarbons pair with ozone layer depletion by releasing chlorine that destroys ozone.

Particulate matter pairs with respiratory disorders as fine particles lodge deep in the lungs.

These effects show how different pollutants harm human health and the wider environment in distinct ways.

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