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