Climate Change MCQs Set 28 (200+ Questions with Answers) Posted on March 31, 2026March 31, 2026Author agropublishers 0 Climate Change MCQs Set 28 (200+ Questions with Answers) 1. Carbon dioxide (CO₂) emissions from cement production arise predominantly from ___________ Fuel combustion in kilns only Calcination of limestone Evaporation of water from raw materials Photosynthetic activity during processing 2. Major function of fossil fuels in the carbon cycle is ___________ Primary nitrogen reservoirs None of these Long-term carbon sinks Renewable water sources 3. Which activity contributes to reducing greenhouse gas emissions through enhanced carbon sequestration? Deforestation and land clearing Expansion of industrial activities Afforestation and reforestation Fossil fuel combustion 4. The dominant anthropogenic source of nitrous oxide (N₂O) emissions is the ___________ Industrial manufacturing Energy production systems Agricultural sector Transport sector 5. The ultimate products of methane oxidation in the atmosphere include ____________ Hydrogen gas only Ozone only CO₂ and water Nitrogen and sulfur 6. Major sources of atmospheric methane (CH₄) include ___________ Livestock Wetlands Landfills All of these 7. Nitrous oxide (N₂O) emissions from soils are significantly enhanced by ___________ Excess nitrogen fertilizer application Wind-driven processes Irrigation practices alone Solar radiation intensity 8. Drainage of peatlands leads to ___________ Increased atmospheric oxygen levels Release of stored carbon as carbon dioxide through oxidation Net cooling due to increased albedo Enhanced methane absorption by soils 9. Landfills act as major anthropogenic sources of ___________ due to anaerobic decomposition of organic waste Oxygen from decomposition Methane from anaerobic microbial processes Nitrous oxide from nitrification Carbon dioxide from combustion 10. Climate forcing agents in the Earth system include ___________ Aerosols only Greenhouse gases only Both greenhouse gases and aerosols influencing radiative balance None of these Loading … Question 1 of 10 Climate Change MCQs Set 28 (200+ Questions with Answers)
