Components Of Air-Multiple Choice Questions Quiz

Interactive MCQs on “Components Of Air”:

Solve the following 10 questions: Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: Which gas makes up the majority of the Earth's atmosphere?

(a) Nitrogen
(b) Oxygen
(c) Carbon dioxide
(d) Hydrogen

Question 2: What is the approximate percentage of oxygen in Earth's atmosphere?

(a) 21%
(b) 78%
(c) 0.04%
(d) 0.001%

Question 3: Which gas is known as a greenhouse gas due to its role in Earth's temperature regulation?

(a) Nitrogen
(b) Oxygen
(c) Carbon dioxide
(d) Argon

Question 4: Which gas is essential for respiration and combustion?

(a) Nitrogen
(b) Oxygen
(c) Helium
(d) Neon

Question 5: What is the primary function of argon in the atmosphere?

(a) Supporting combustion
(b) Absorbing ultraviolet radiation
(c) Regulating temperature
(d) Providing a stable background gas

Question 6: Which component of air is responsible for absorbing harmful ultraviolet (UV) radiation from the Sun?

(a) Nitrogen
(b) Oxygen
(c) Carbon dioxide
(d) Ozone

Question 7: What is the role of trace gases like neon, helium, and krypton in the atmosphere?

(a) Supporting combustion
(b) Absorbing visible light
(c) Providing color to the sky
(d) Influencing temperature

Question 8: Which gas is often used as a tracer for detecting leaks in pipelines and containers?

(a) Carbon dioxide
(b) Nitrogen
(c) Helium
(d) Oxygen

Question 9: What is the approximate percentage of water vapor in Earth's atmosphere?

(a) 21%
(b) 0.04%
(c) 78%
(d) Varies greatly

Question 10: Which component of air is used by plants during photosynthesis?

(a) Nitrogen
(b) Oxygen
(c) Carbon dioxide
(d) Argon