Climate Change MCQs Set 9 (200+ Questions with Answers) Posted on March 21, 2026March 21, 2026Author agropublishers 0 Climate Change MCQs Set 9 (200+ Questions with Answers) Top Climate Change Multiple Choice Questions Set 9 (High-Yield for Competitive Exams) 1. Methane (CH₄) is considered a potent greenhouse gas primarily because _____________ It is abundant in the atmosphere It reflects solar radiation It reduces CO₂ levels It has a high global warming potential 2. Scientists use ice cores primarily to reconstruct ____________ Volcanic eruptions only Past atmospheric composition and climate Ocean salinity Soil fertility 3. Thawing permafrost contributes to climate change primarily by_____________ Absorbing CO₂ Cooling the atmosphere Releasing methane and CO₂ Increasing surface albedo 4. Which climate mitigation option provides the most immediate reduction in radiative forcing? Afforestation Soil carbon sequestration Methane reduction CO₂ capture 5. Global warming potential (GWP100) of Nitrous oxide is approximately ___________ 1000+ 265–298 140-175 50-64 6. Nitrous oxide remains in the atmosphere for about ________ ~12 years ~200 years ~50 years ~114 years 7. Which of the following is a primary indicator of ongoing climate change? Increasing glacier mass Rising global temperatures Reduced atmospheric CO₂ Stable global cooling 8. Which gases are primarily responsible for the formation of acid rain in the atmosphere? CO₂ and CH₄ O₂ and N₂ SO₂ and O₃ SO₂ and NO₂ 9. Globally, the largest source of anthropogenic greenhouse gas emissions is ___________ Waste Transport Agriculture Energy sector 10. Which of the following is a major and well-documented consequence of global warming? Rise in global sea level Reduced global evaporation rates Expansion of polar ice sheets Decrease in global sea level Loading … Question 1 of 10 Climate Change MCQs Set 9 (200+ Questions with Answers)