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