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