Question

Describe the effects of ozone. [3 MARKS]

Answer 1

Each point: 1 Mark

1. Ozone gas present in the upper layer of atmosphere (troposphere) shields our earth from harmful ultraviolet rays of the sun.
2. But at the ground level, the ozone gas present works as an air pollutant.
3. When inhaled ozone causes coughing, irritation in eyes, decrease in lung efficiency, lowered body resistance etc.