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