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