Climate Change MCQs Set 17 (200+ Questions with Answers) Posted on March 22, 2026March 23, 2026Author agropublishers 0 Climate Change MCQs Set 17 (200+ Questions with Answers) 1. Which climatic zone lies between 0° and 20° latitude? Subtropical Temperate Tropical Polar 2. Which statement best describes methane (CH₄) in the climate system? A gas with no significant contribution to global warming A gas emitted exclusively from natural sources A low global warming potential gas with a long atmospheric lifetime A high global warming potential gas with a relatively short atmospheric lifetime 3. Global Warming Potential (GWP) is a metric used to quantify ___________ Total global carbon emissions Changes in atmospheric pressure Absolute increase in global temperature Relative heat-trapping ability of greenhouse gases over a specified time horizon 4. Tropospheric ozone (O₃) acts __________ in the climate system Has no significant environmental role As a greenhouse gas As both an air pollutant and a greenhouse gas Solely as an air pollutant 5. What is the primary role of negative feedback in the climate system? Amplifying warming trends Stabilizing the climate system by counteracting changes Accelerating ice melting Increasing climate variability 6. Within the normal physiological range, the rate of photosynthesis generally doubles with approximately every ______ increase in temperature 5°C 10°C 20°C 15°C 7. In atmospheric science, aerosols are best defined as ______________ Suspended solid or liquid particles affecting radiation balance Gaseous emissions only Radioactive components in the atmosphere Liquid droplets are present only within clouds 8. The Antarctic Circle is located at approximately ___________ latitude 90° S 66.5° N 23.5° S 66.5° S 9. The average atmospheric lifetime of methane is approximately _____________ 9–12 years 1–2 years 50–70 years More than 100 years 10. Precision fertilizer application helps reduce N₂O emissions True False Loading … Question 1 of 10 Climate Change MCQs Set 17 (200+ Questions with Answers)