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