Climate Change MCQs Set-1 (200+ Questions with Answers) Posted on March 18, 2026March 31, 2026Author agropublishers 0 Climate Change MCQs Set-1 (200+ Questions with Answers) 1. Deforestation increases atmospheric CO₂ because it _________ Enhances rainfall Reduces carbon sequestration by plants Decreases soil erosion Increases oxygen levels 2. The greenhouse effect refers to__________________ Trapping of heat in the atmosphere Reflection of sunlight Cooling of the Earth Ozone layer depletion 3. The primary driver of current climate change is _____________ Volcanic activity Ocean currents Solar radiation Human activities 4. Which of the following activities is a major anthropogenic source of methane (CH₄) emissions? Mining Rice cultivation under flooded conditions Solar energy generation Transport 5. Which of the following energy sources are classified as fossil fuels? Solar and wind energy Coal, oil, and natural gas Wood and charcoal Uranium 6. Methane (CH₄) is primarily produced from __________ Sunlight Livestock digestion Rocks Oceans 7. Which greenhouse gas contributes the most to global warming overall? Nitrous oxide Carbon dioxide Methane Ozone 8. ________________ is the largest share of global CO₂ emissions Energy sector Transport sector Agriculture sector Industrial sector 9. Among the major greenhouse gases, which one has the highest atmospheric concentration under current conditions? Nitrous oxide Carbon dioxide Ozone Methane 10. Livestock contribute to climate change primarily through the emission of which greenhouse gas during enteric fermentation? Methane Hydrogen Nitrogen Oxygen Loading … Question 1 of 10 Climate Change MCQs Set-1 (200+ Questions with Answers)