Practice Level 3 – Natural Resources – set – 2 Leave a Comment / By anushka kumari / July 13, 2024 Practice Level 3 – Natural Resources – set - 2 Total questions: 29 1. Which form of nitrogen is most readily absorbed by plants? Nitrate (NO3-) Nitrogen gas (N2) Ammonia (NH3) Nitrite (NO2-) None 2. Which of the following is a primary source of volatile organic compounds (VOCs) in the atmosphere? Industrial solvents Vehicle exhaust Soil erosion Ocean spray None 3. Which of the following is a method used to reduce water consumption in agriculture without reducing crop yield? Deficit irrigation Over-irrigation Surface irrigation Flood irrigation None 4. Which fossil fuel is primarily composed of methane? Natural gas Coal Oil Peat None 5. Which process is most effective for removing pathogens from drinking water? Chlorination Sedimentation Filtration Aeration None 6. Which process is primarily responsible for the natural removal of carbon dioxide from the atmosphere? Photosynthesis Respiration Decomposition Combustion None 7. Which of the following practices is essential for maintaining genetic diversity within a species? Habitat fragmentation Monoculture farming Inbreeding Conservation of wild populations None 8. Which renewable energy source can provide a consistent and reliable base-load power supply? Geothermal energy Solar energy Wind energy Biomass energy None 9. Which of the following is a natural source of carbon dioxide emissions? Volcanic eruptions Deforestation Burning fossil fuels Industrial processes None 10. Which agricultural practice involves growing different types of crops in succession on the same land to maintain soil fertility? Crop rotation Monoculture Slash-and-burn Overgrazing None 11. Which process in the water cycle involves water changing from a solid to a gas without passing through the liquid phase? Sublimation Evaporation Transpiration Precipitation None 12. Which of the following technologies is used to reduce nitrogen oxide emissions from vehicle exhaust? Catalytic converter Electrostatic precipitator Flue-gas desulfurization Baghouse filter None 13. Which of the following renewable resources is considered carbon-neutral because it absorbs as much CO2 during its growth as it releases when used as fuel? Biomass energy Wind energy Solar energy Geothermal energy None 14. Which type of water pollution is characterized by the presence of organic and inorganic chemicals that are toxic to aquatic life? Chemical pollution Thermal pollution Sedimentation Nutrient pollution None 15. Which technique is used to prevent soil erosion on steep slopes by creating a series of step-like structures? Terracing Contour ploughing No-till farming Strip cropping None 1 out of 15 Time's up
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