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