The most polluttant gas in earth's atmosphere:...? Mcqs

PPSC Past Papers

Latest MCQs

The most polluttant gas in earth's atmosphere:...?

(A) Carbon dioxide
(B) Carbon Monoxide

(C) Nitrogen oxide
(D) Sulfur dioxide

✅ Correct Answer: Carbon Monoxide

Comments
Explanation:

  • Carbon dioxide (CO₂) is the most abundant greenhouse gas contributing to global warming.

  • Carbon monoxide (CO)  is highly toxic  to humans and animals, even in small amounts.

  • Nitrogen oxides (NOₓ) and sulfur dioxide (SO₂)  contribute to acid rain and smog.

Most immediately harmful to health: Carbon monoxide (CO) (even small amounts can be deadly).

Most impactful on climate change: Carbon dioxide (CO₂) (due to high emissions).


Source: This question is taken from the Administrative Officer (Bs-17), Administrator (Bs-16), Media Monitoring Officer (Bs-16), Information Officer (Bs-17), Estate Officer (Bs-16) 2024

MCQs Categories


Best of Luck

From ShineGk.com

Share our website's link