Which one of the following gases is not responsible for global warming?

General Science ·Previously asked in JKSSB Sub Inspector (Executive) 2017

View the full solved paper: JKSSB Sub Inspector (Executive) 2017

Question

Which one of the following gases is not responsible for global warming?

  1. A. Water vapour
  2. B. Oxygen (Correct answer)
  3. C. Nitrous Oxide
  4. D. Methane

Correct Answer

Option B — Oxygen

Detailed Solution & Explanation

The correct answer is Oxygen.

Key Points

  • Oxygen (O₂) is not a greenhouse gas.
  • Greenhouse gases absorb and re-emit infrared radiation, warming the atmosphere.
  • Major greenhouse gases include water vapour (H₂O), carbon dioxide (CO₂), methane (CH₄), nitrous oxide (N₂O), and ozone (O₃).
  • Oxygen is transparent to both visible light and infrared radiation.

Topics covered: JKPSI JKSSB 2017 General Science Environment Climate Change