Q. Air pollutants I. cause injury to all living organism II. reduce growth and yield of crops and causes premature death of plants III. affects the respiratory system of humans and animals Which of the statements given above are correct?

A) I and II
B) I and III
C) II and III
D) I, II and III
Explanation

Air pollution has several effects on all living organism and on climate. Diseases like bronchitis, lung cancer and emphysema are caused by air pollution (i) $NO_{2}$ causes bronchitis and lowers the resistance to influenza (ii) $SO_{2}$ obstructs breathing and irritates eyes (iii) Nitric acid, nitrous acid and sulphuric acid causes respiratory diseases Air pollutants reduce growth and yield of crops and cause premature death of plants

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.