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