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