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