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