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