Multiple choice

The smoke released from vehicles may contain oxides of nitrogen, which combine with other air pollutants and fog to form smog. Smog is not responsible for

  1. breathing difficulties

  2. asthma

  3. cough

  4. tuberculosis

  5. wheezing in children

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Smog is not responsible for tuberculosis. It is caused due to bacteria.