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