Climate Change MCQs Set 5 (200+ Questions with Answers) Posted on March 18, 2026March 21, 2026Author agropublishers 0 Climate Change MCQs Set 5 (200+ Questions with Answers) 1. The ice–albedo feedback mechanism refers to ___________ Melting ice reduces reflectivity, leading to further warming Increase in cloud formation Reduction in greenhouse gases Increase in ocean salinity 2. The term carbon footprint refers to ___________ Total greenhouse gas emissions expressed as CO₂-equivalent Temperature variation Wind speed Rainfall patterns 3. Which atmospheric process is directly responsible for the formation of clouds from water vapor? Sublimation Evaporation Condensation Transpiration 4. Long-term stabilization of the global climate system primarily requires __________ Net-zero CO₂ emissions CH₄ reduction only N₂O reduction only 5. Which factor most fundamentally differentiates the climate impact of CO₂ from CH₄ over centennial timescales? Higher emission rate of CH₄ Stronger absorption spectrum of CH₄ Higher radiative efficiency of CH₄ Long atmospheric persistence and cumulative behavior of CO₂ 6. Deforestation results in which of the following impacts on the carbon cycle? Release of stored carbon Increased carbon storage Increased biodiversity Global cooling 7. Which parameter is most appropriate for comparing seasonal temperature variability over a year? ATR DTR GDD Q₁₀ 8. The difference between maximum (daytime) and minimum (nighttime) temperature is referred to as ________ GDD (Growing Degree Days) DTR (Diurnal Temperature Range) Q₁₀ (Temperature Coefficient) ATR (Annual Temperature Range) 9. Which of the following activities is a major anthropogenic source of methane (CH₄) emissions due to anaerobic microbial processes? Transport Rice cultivation under flooded conditions Mining Solar energy generation 10. Biomass burning (e.g., forest fires, crop residue burning) typically results in the emission of _______ Only oxygen Carbon dioxide and methane No gases Nitrogen only Loading … Question 1 of 10 Climate Change MCQs Set 5 (200+ Questions with Answers)