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