Home PYQs UPPSC UPPSC MCQs Prelims 1993 (GS Paper I)

Question

Which of the following Gas has highest percentage in atmosphere?

  1. Carbon
  2. Nitrogen
  3. Oxygen
  4. Hydrogen

Answer:

Option B: Nitrogen

Detailed Solution:

The correct answer is “Nitrogen”.

Nitrogen is the most abundant gas in Earth's atmosphere, making up approximately 78% of its composition