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