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