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