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