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