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