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 ___________ None of these Greenhouse gases only Both greenhouse gases and aerosols influencing radiative balance Aerosols only 2. Major sources of atmospheric methane (CH₄) include ___________ Wetlands All of these Livestock Landfills 3. The dominant anthropogenic source of nitrous oxide (N₂O) emissions is the ___________ Energy production systems Agricultural sector Industrial manufacturing Transport sector 4. 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 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. Nitrous oxide (N₂O) emissions from soils are significantly enhanced by ___________ Excess nitrogen fertilizer application Irrigation practices alone Wind-driven processes Solar radiation intensity 7. Major function of fossil fuels in the carbon cycle is ___________ None of these Long-term carbon sinks Primary nitrogen reservoirs Renewable water sources 8. The ultimate products of methane oxidation in the atmosphere include ____________ Hydrogen gas only Nitrogen and sulfur Ozone only CO₂ and water 9. 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 10. Carbon dioxide (CO₂) emissions from cement production arise predominantly from ___________ Calcination of limestone Photosynthetic activity during processing Fuel combustion in kilns only Evaporation of water from raw materials Loading … Question 1 of 10 Climate Change MCQs Set 28 (200+ Questions with Answers)
