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