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