Climate Change MCQs Set 13 (200+ Questions with Answers) Posted on March 22, 2026March 23, 2026Author agropublishers 0 Table of Contents Toggle Climate Change MCQs Set 13 (200+ Questions with Answers)1. The largest active reservoir of carbon in the Earth system is ____________ The atmosphere The deep ocean Permafrost The terrestrial biosphere 2. Which reservoir exchanges carbon most rapidly with the atmosphere? Sedimentary rocks Fossil fuels Deep ocean Surface ocean and vegetation 3. ____________ is expected to rapidly transform into a major carbon emission source due to climate change Deep ocean Sedimentary rocks Atmosphere Permafrost soils 4. The atmosphere currently contains approximately ___________ gigatons of carbon ~850 GtC ~10,000 GtC ~37,000 GtC ~100 GtC 5. The ice-albedo feedback represents a ____________ Negative feedback that stabilizes global temperatures Neutral feedback with negligible climatic effect Positive feedback that amplifies initial warming Buffering mechanism that regulates atmospheric CO₂ 6. Which zone experiences the least seasonal variation in temperature? Tropical Subtropical Polar Temperate 7. The largest contributor to anthropogenic radiative forcing since pre-industrial times is ____________ Nitrous oxide from fertilizer application Carbon dioxide from fossil fuel combustion Methane from agricultural sources Halocarbons from industrial processes 8. Flood risk in Pakistan increases primarily due to ___________ Soil characteristics Anomalies in wind patterns Monsoon variability and accelerated glacier melt Cooling trends 9. Which carbon pool is considered the largest terrestrial reservoir? Soils Vegetation Atmosphere 10. Sustainable agriculture reduces greenhouse gas (GHG) emissions primarily through _________ Cooling of the atmosphere Efficient resource use Wind management Increased input use Loading … Question 1 of 10Climate Change MCQs Set 13 (200+ Questions with Answers) Climate Change MCQs Set 13 (200+ Questions with Answers) 1. ____________ is expected to rapidly transform into a major carbon emission source due to climate change Atmosphere Permafrost soils Deep ocean Sedimentary rocks 2. The largest contributor to anthropogenic radiative forcing since pre-industrial times is ____________ Nitrous oxide from fertilizer application Carbon dioxide from fossil fuel combustion Methane from agricultural sources Halocarbons from industrial processes 3. Flood risk in Pakistan increases primarily due to ___________ Anomalies in wind patterns Monsoon variability and accelerated glacier melt Soil characteristics Cooling trends 4. Which reservoir exchanges carbon most rapidly with the atmosphere? Sedimentary rocks Deep ocean Surface ocean and vegetation Fossil fuels 5. The atmosphere currently contains approximately ___________ gigatons of carbon ~37,000 GtC ~100 GtC ~10,000 GtC ~850 GtC 6. Which zone experiences the least seasonal variation in temperature? Subtropical Tropical Polar Temperate 7. Which carbon pool is considered the largest terrestrial reservoir? Atmosphere Soils Vegetation 8. The largest active reservoir of carbon in the Earth system is ____________ The atmosphere The deep ocean Permafrost The terrestrial biosphere 9. The ice-albedo feedback represents a ____________ Neutral feedback with negligible climatic effect Positive feedback that amplifies initial warming Buffering mechanism that regulates atmospheric CO₂ Negative feedback that stabilizes global temperatures 10. Sustainable agriculture reduces greenhouse gas (GHG) emissions primarily through _________ Cooling of the atmosphere Wind management Increased input use Efficient resource use Loading … Question 1 of 10 Climate Change MCQs Set 13 (200+ Questions with Answers)
