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