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