☰
GkSeries.com
✕

CBSE NET | Teaching & Research Aptitude Question Answers

Which of the following pollutants affects the respiratory tract in humans?

[A] Carbon monoxide
[B] Nitric oxide
[C] Sulphur di-oxide
[D] Aerosols
Answer & Explanation
Option: [C]

⭐ Make GKSeries Your Preferred Source on Google

Add GKSeries as Preferred Source
Click Here to Read more questions