Climate Change MCQs Set 2 (200+ Questions with Answers) Posted on March 18, 2026March 21, 2026Author agropublishers 0 Climate Change MCQs Set 2 (200+ Questions with Answers) 1. __________________ shows the largest difference between GWP20 and GWP100 among the listed gases O₃ N₂O CO₂ CH₄ 2. Fluorinated gases generally have ____________ Global Warming Potential Zero GWP Moderate GWP Low GWP Very high GWP 3. Earth’s effective temperature without greenhouse gases would be approximately ___________ 0°C 15°C –18°C 30°C 4. Nitrous oxide (N₂O) emissions are mainly associated with ____________ Plant respiration Oceans Soils and nitrogen fertilizers Atmospheric reactions 5. Global Warming Potential (GWP) is best defined as _______ Rate of emission Integrated radiative forcing of greenhouse gases relative to CO₂ over a specified time horizon Atmospheric concentration of a gas Absolute temperature increase caused by a gas 6. Carbon dioxide (CO₂) is mainly released through ________ Respiration Nitrogen fixation Photosynthesis Burning of fossil fuels 7. According to physical radiation laws, specifically the Stefan-Boltzmann law, the magnitude of outgoing longwave radiation (OLR) emitted by the Earth’s surface is primarily determined by its _____________ Albedo Wind speed Surface temperature Cloud cover 8. Albedo is defined as ____________ Heat emitted by Earth Longwave radiation absorbed by atmosphere Absorption of solar radiation by Earth’s surface Fraction of incoming solar radiation reflected to space 9. Temperature change at a specific future time due to a pulse emission is known as _____________ Global Temperature Change Potential Radiative forcing Atmospheric lifetime Global Warming Potential 10. Global Temperature Change Potential (GTP) differs from Global Warming Potential (GWP) because it focuses on_________ Temperature response at a chosen time Lifetime Forcing Mass Loading … Question 1 of 10 Climate Change MCQs Set 2 (200+ Questions with Answers)