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