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