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. Long-term stabilization of the global climate system primarily requires __________ CH₄ reduction only Net-zero CO₂ emissions N₂O reduction only 2. Which factor most fundamentally differentiates the climate impact of CO₂ from CH₄ over centennial timescales? Higher radiative efficiency of CH₄ Higher emission rate of CH₄ Stronger absorption spectrum of CH₄ Long atmospheric persistence and cumulative behavior of CO₂ 3. 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) 4. The term carbon footprint refers to ___________ Total greenhouse gas emissions expressed as CO₂-equivalent Temperature variation Rainfall patterns Wind speed 5. 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 6. Which atmospheric process is directly responsible for the formation of clouds from water vapor? Evaporation Condensation Sublimation Transpiration 7. Which parameter is most appropriate for comparing seasonal temperature variability over a year? ATR GDD DTR Q₁₀ 8. The ice–albedo feedback mechanism refers to ___________ Melting ice reduces reflectivity, leading to further warming Increase in ocean salinity Increase in cloud formation Reduction in greenhouse gases 9. Which of the following activities is a major anthropogenic source of methane (CH₄) emissions due to anaerobic microbial processes? Rice cultivation under flooded conditions Solar energy generation Mining Transport 10. Deforestation results in which of the following impacts on the carbon cycle? Release of stored carbon Global cooling Increased carbon storage Increased biodiversity Loading … Question 1 of 10 Climate Change MCQs Set 5 (200+ Questions with Answers)