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SSC CGL General Science question with solution

General ScienceModerate

Which gas is the most abundant in the Earth's atmosphere?

  1. (A)Argon
  2. (B)Oxygen
  3. (C)Nitrogen
  4. (D)Carbon dioxide

Correct answer: (C) Nitrogen

Nitrogen makes up about 78% of the Earth's atmosphere by volume, followed by oxygen at about 21%. Hence, 'Nitrogen' is the correct answer among the given options.

About this question

Subject
General Awareness
Topic
General Science
Exam
SSC (general)
Attempts on SSC Rank
Not attempted yet

Appears in: SSC CGL 2024 Tier 1 Question Paper — 10 September, Shift 1; SSC CGL 2024 Tier 1 Question Paper — 9 September, Shift 1; SSC CGL 2024 Tier 1 Question Paper — 9 September, Shift 2; SSC CGL 2024 Tier 1 Question Paper — 9 September, Shift 3; SSC CHSL 2024 Tier 1 Question Paper — 1 July, Shift 1; SSC CGL 2023 Tier 1 Question Paper — 14 July, Shift 2

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Last reviewed on 5 Oct 2026. Spotted a mistake? See our correction policy.