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