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