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