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