SSLC Science and Technology NIOS X Welcome to your SSLC Science and Technology NIOS X Total Questions: 50 Name Mobile No: 1. Animals are: Autotrophs Consumers Decomposers Producers None Hint 2. Sustainable development means: Overusing resources Cutting all forests Polluting environment Using resources wisely for future None Hint 3. Ecosystem means: Only water bodies Only plants Only animals Living and non-living interaction None Hint 4. Major source of air pollution: Trees Rivers Vehicles and industries Mountains None Hint 5. Non-renewable resource is: Water Coal Wind Sunlight None Hint 6. Biodegradable waste can: Cause radiation Burn only Decompose naturally Stay forever None Hint 7. Deforestation causes: Soil erosion All of these Climate change Floods None Hint 8. Overpopulation causes: Environmental stress Cooling Less pollution More resources None Hint 9. Bacteria and fungi are: Consumers Herbivores Producers Decomposers None Hint 10. Global warming leads to: Ice melting Climate change Sea level rise All of these None Hint 11. Green plants use carbon dioxide and release: Nitrogen Hydrogen Carbon monoxide Oxygen None Hint 12. Wildlife conservation protects: Animals & plants Machines Buildings Roads None Hint 13. Organisms that make their own food are: Decomposers Producers Carnivores Consumers None Hint 14. Ozone layer protects from: Rain Dust Heat UV rays None Hint 15. Ozone layer protects from: Dust Heat UV rays Rain None Hint 16. Main cause of global warming is: Hydrogen Carbon dioxide increase Nitrogen decrease Oxygen None Hint 17. First link in food chain is: Decomposer Carnivore Producer Omnivore None Hint 18. Atmosphere is: Rock layer Layer of gases around Earth Layer of water Soil layer None Hint 19. Excess fertilizers cause: Cooling Water pollution Air pollution Soil enrichment only None Hint 20. Main source of energy for Earth is: Sun Water Moon Wind None Hint 21. Renewable resource: Petroleum Solar energy Natural gas Coal None Hint 22. Renewable resource is: Natural gas Petroleum Coal Solar energy None Hint 23. Soil pollution reduces: Soil fertility Rainfall Sunlight Wind speed None Hint 24. Wildlife conservation protects: Roads Buildings Vehicles Animals and plants None Hint 25. Lithosphere refers to: Plants Water Land Air None Hint 26. Non-renewable resource: Water Sunlight Wind Coal None Hint 27. Global warming is increase in: Wind speed Soil fertility Earth’s temperature Rainfall None Hint 28. Major greenhouse gas: Nitrogen CO₂ Hydrogen Oxygen None Hint 29. Gas causing acid rain: Hydrogen Oxygen Helium Nitrogen & sulphur oxides None Hint 30. Plastic pollution mainly affects: Air only Land & water Sun Wind None Hint 31. Recycling helps to: Increase waste Destroy nature Increase heat Reduce pollution None Hint 32. Human activities affect mainly: Moon Stars Space only Environment None Hint 33. Noise pollution affects: Smell Taste Hearing Vision None Hint 34. Tree plantation helps to: Increase CO₂ Reduce oxygen Increase heat Reduce pollution None Hint 35. Clean environment is necessary for: Healthy life Pollution increase Disease spread Noise None Hint 36. Protecting environment is: Everyone’s duty Government only Farmers only Scientists only None Hint 37. Greenhouse effect leads to: Cooling of Earth Wind formation Heating of Earth Rainfall only None Hint 38. Biosphere means: Air zone Water zone Soil layer Life supporting zone of Earth None Hint 39. Cutting of forests is called: Deforestation Plantation Irrigation Afforestation None Hint 40. Greenhouse gas is: Hydrogen Nitrogen Oxygen Carbon dioxide None Hint 41. Food chain shows: Air movement Energy flow Water flow Soil erosion None Hint 42. Hydrosphere refers to: Animals Water Air Land None Hint 43. Biodegradable waste can: Stay forever Not break down Decompose naturally Cause radiation None Hint 44. Conservation of environment means: Protecting nature Polluting water Wasting resources Destroying forests None Hint 45. Conservation of forest helps to: Maintain balance Reduce pollution Protect wildlife D All of these None Hint 46. Recycling helps to: Reduce pollution Increase heat Destroy resources Increase waste None Hint 47. Plants prepare food by: Respiration Excretion Digestion Photosynthesis None Hint 48. Sustainable development means: Destroy forests Use resources wisely Waste resources Overuse resources None Hint 49. Water pollution is mainly caused by: Sunlight Wind Oxygen Sewage & industrial waste None Hint 50. Natural environment includes: Machines Air, water, land, plants, animals Roads Buildings None Hint Time's up Share: admin Previous post SSLC Science and Technology NIOS IX February 13, 2026 Next post SSLC Malayalam NIOS I February 13, 2026
