This quiz works best with JavaScript enabled. Home > Cbse > Class 6 > Science > Water > Class 6 Science Chapter 14 Water – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 14 Water Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Name the following The process used to convert household waste water into a form that can be reused A) Rain water Harvesting. B) Water Conservation. C) Acid Rain. D) Waste water treatment. Show Answer Correct Answer: D) Waste water treatment. 2. What is an aquifer? A) A place underground that stores water. B) A water pump. C) A place that sells aquifers. D) A water purifier. Show Answer Correct Answer: A) A place underground that stores water. 3. Why is desalination not a practical process for water usage? A) No one knows how to do it. B) It is too hard. C) It is too expensive and not practical to meet the region's needs. D) None of the above. Show Answer Correct Answer: C) It is too expensive and not practical to meet the region's needs. 4. Transpiration is the process of- A) I don't know. B) Loss of water from stems. C) Loss of water from stomata. D) Plants making food. Show Answer Correct Answer: C) Loss of water from stomata. 5. Water that seeps through the soil into the ground is ..... A) Condensation. B) Precipitation. C) Infiltration. D) Evaporation. Show Answer Correct Answer: C) Infiltration. 6. Why is saltwater not safe for humans to drink? A) It is home to fish. B) It is always dirty. C) It contains too much salt. D) It tastes gross. Show Answer Correct Answer: C) It contains too much salt. 7. The molecular formula for water is A) 2Ho. B) Right. C) H$_{2}$O. D) H2O. Show Answer Correct Answer: C) H$_{2}$O. 8. When water ..... , dew forms. A) Evaporates. B) Precipitates. C) Condenses. D) Melts. Show Answer Correct Answer: C) Condenses. 9. Of the 15 water scarce countries, 12 are in ..... A) United Kingdom and Canada. B) America and Canada. C) Southwest Asia and North Africa. D) Russia and Germany. Show Answer Correct Answer: C) Southwest Asia and North Africa. 10. List down the uses of water A) Domestic purpose. B) Transportation of minerals. C) Industrial purpose. D) All of the above. Show Answer Correct Answer: D) All of the above. 11. Water is called ..... A) Universal solvent. B) Universal solute. C) Universal solution. D) All of these. Show Answer Correct Answer: A) Universal solvent. 12. What is the process that electricity is produced from energy of running water? A) Desalination. B) Irrigation. C) Windmills. D) Hydroelectric power. Show Answer Correct Answer: D) Hydroelectric power. 13. Drinking water is A) Light blue. B) Little Turbid. C) White. D) Transparent. Show Answer Correct Answer: D) Transparent. 14. One litre of sea water contains ..... of dissolved salts. A) 24 g. B) 29 g. C) 26 g. D) 30 g. Show Answer Correct Answer: C) 26 g. 15. Rain is what form of water? A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: B) Liquid. 16. Water in its gas form is called ..... , A) Ice. B) Precipitation. C) Air. D) Water vapor. Show Answer Correct Answer: D) Water vapor. 17. What can you infer from picture shown here? A) Plants release water vapour. B) Indoor plants should be covered. C) Plants need warmth. D) Water is needed for plants. Show Answer Correct Answer: A) Plants release water vapour. 18. What percent of all water sources are trapped in Ice Caps/Glaciers? A) Less than 1%. B) 3%. C) 2%. D) 1%. Show Answer Correct Answer: C) 2%. 19. What follows evaporation during the water cycle? How does this occur? A) Water evaporates into water vapor. B) Water vapor condenses and forms a cloud. C) Water precipitates to the ground. D) Water runs down into the hydrosphere. Show Answer Correct Answer: B) Water vapor condenses and forms a cloud. 20. Water is essential for survival of plants and animals. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 21. Human body has ..... % of water. A) 65. B) 70. C) 60. D) 75. Show Answer Correct Answer: B) 70. 22. Which one is a process in which water change into vapours in atmosphere A) Evaporation. B) Condensation. C) Precipitation. D) Transpiration. Show Answer Correct Answer: A) Evaporation. 23. Any type of moisture that falls to the Earth. A) Evaporation. B) Transpiration. C) Precipitation. D) Condensation. Show Answer Correct Answer: C) Precipitation. 24. Open source of water are A) River. B) Lake. C) Both of these. D) None of these. Show Answer Correct Answer: C) Both of these. 25. The solution in which everything is mixed thoroughly and evenly spread is known as which solution? A) Homogeneous. B) Pollutants. C) Solvent. D) None of the above. Show Answer Correct Answer: A) Homogeneous. 26. Purest form of water is A) Underground water. B) River water. C) Tap water. D) Rain water. Show Answer Correct Answer: D) Rain water. 27. Which source of freshwater is not easily available for human use? A) Freshwater lakes. B) Rivers. C) Oceans. D) Icecaps/glaciers. Show Answer Correct Answer: D) Icecaps/glaciers. 28. What is an option for bringing up groundwater? A) Tube wells. B) Wells. C) Pumps. D) All the above. Show Answer Correct Answer: D) All the above. 29. Water droplets left on your water bottle is called. A) Water. B) Precipitation. C) Condensation. D) Cloud Formation. Show Answer Correct Answer: C) Condensation. 30. The release of moisture by living plants. A) Evaporation. B) Condensation. C) Precipitation. D) Transpiration. Show Answer Correct Answer: D) Transpiration. 31. Water that falls to earth as rain, sleet, snow and hail is called? A) Preciptation. B) Transpiration. C) Condensation. D) None of the above. Show Answer Correct Answer: A) Preciptation. 32. Concrete land surfaces increases the seepage of water into the ground A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 33. How does a solution become supersaturated? A) Dissolve a super amount of solvent in it. B) Dissolve lots of solute in it. C) Dissolve a little solute in it. D) Dissolve more solute than you should be able to. Show Answer Correct Answer: D) Dissolve more solute than you should be able to. 34. What is it called when liquid changes into gas A) Condensation. B) Water. C) Evaporation. D) Water vapor. Show Answer Correct Answer: C) Evaporation. 35. 3 states of water found on earth A) Rain, sleet & hail. B) Evaporation, transpiration. C) Solid, liquid & gas. D) Oceans, lakes & streams. Show Answer Correct Answer: C) Solid, liquid & gas. 36. About what percentage of Earth's water is found in the oceans? A) 7%. B) 17%. C) 71%. D) 97%. Show Answer Correct Answer: D) 97%. 37. Most farms in Egypt are successful because they are next to the Nile River (body of water) because A) It is rich from the silt and rich soil. B) The land is dry and leaves behind the wadis. C) All the above. D) None of the above. Show Answer Correct Answer: A) It is rich from the silt and rich soil. 38. True or False:Hail is formed in the clouds; then falls to the ground. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 39. What is rainwater harvesting? A) Rainwater harvesting is the collection of rainwater and storing for future use. B) Rainwater harvesting is the collection of rainwater and storing for past use. C) Rainwater harvesting is the collection of rainwater and storing for Present use. D) None of the above. Show Answer Correct Answer: A) Rainwater harvesting is the collection of rainwater and storing for future use. 40. The gases that cause acid rain are ..... A) Oxygen and carbon dioxide. B) Nitrogen dioxide and sulphur dioxide. C) Noble gases and sulphur dioxide. D) Oxygen and sulphur dioxide. Show Answer Correct Answer: B) Nitrogen dioxide and sulphur dioxide. 41. Polluted water can cause ..... A) Heart disease. B) Malaria. C) Cancer. D) Diarrhoea. Show Answer Correct Answer: D) Diarrhoea. 42. We should not repair the pipe having leakage. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 43. What is the effect of temperature on evaporation? A) Remains same. B) Increases. C) Decreases. D) None of these. Show Answer Correct Answer: B) Increases. 44. From the following questions, What the water cycle DOES NOT include? A) Transpiration. B) Run off. C) Whether charging into sunny, rainy, winter etc. D) Evaporation. E) None of the above. Show Answer Correct Answer: C) Whether charging into sunny, rainy, winter etc. 45. What is needed for drinking, bathing? A) Water. B) Slime and mud. C) All the above. D) None of the above. Show Answer Correct Answer: A) Water. 46. What is water doing when it is changed to water vapor? A) Evaporating. B) Transpiring. C) Condensing. D) Freezing. Show Answer Correct Answer: A) Evaporating. 47. Which of the following is not a source of surface water? A) Well. B) Pond. C) River. D) Ocean. Show Answer Correct Answer: A) Well. 48. Which country uses the most freshwater per person? A) China. B) United States. C) India. D) Mexico. Show Answer Correct Answer: B) United States. 49. Which of the following is the largest source of water? A) Pond. B) Lake. C) Sea. D) Ocean. Show Answer Correct Answer: D) Ocean. 50. What leads to the formation of acid rain A) Water Pollution. B) Soil Pollution. C) Radioactive Pollution. D) Air pollution. Show Answer Correct Answer: D) Air pollution. 51. A sugar solution which cannot dissolve more of a solute at a given temperature is called ..... A) Solution. B) Saturated solution. C) Supersaturated solution. D) Unsaturated solution. Show Answer Correct Answer: B) Saturated solution. 52. Evaporation occurs when water changes into A) Solid. B) Snow. C) Vapour. D) Transpiration. Show Answer Correct Answer: C) Vapour. 53. Which of the following describes a flood? A) Occurs when water covers land that is normally dry. B) It can be caused by heavy rains or hurricanes. C) An overflow of water in one place. D) All of these. Show Answer Correct Answer: D) All of these. 54. Water is a good ..... A) Solute. B) Solvent. C) Solution. D) All of the above. Show Answer Correct Answer: B) Solvent. 55. How much of the earth's surface is covered with water. A) 75%. B) 95%. C) 60%. D) 70%. Show Answer Correct Answer: D) 70%. 56. The purest form of natural water is ..... A) Sea water. B) Rain water. C) Spring water. D) Well water. Show Answer Correct Answer: B) Rain water. 57. The water in seas and ocean have many salts dissolved in it so the water is ..... A) Bitter. B) Tangy. C) Saline. D) None of the above. Show Answer Correct Answer: C) Saline. 58. What amount of the water on the earth is salt water? A) 97%. B) 25%. C) 72%. D) 99%. Show Answer Correct Answer: A) 97%. 59. What do we call it when water evaporates, condenses, then precipitates to the earth and then repeats? A) A Bicycle. B) The Life Cycle of a butterfly. C) The Water Cycle. D) All of the answers. Show Answer Correct Answer: C) The Water Cycle. 60. Inorganic waste contains A) Sulphur and carbon dioxide. B) Phosphate and nitrate. C) Carbon monoxide. D) Solid waste. Show Answer Correct Answer: B) Phosphate and nitrate. ← PreviousNext →Related QuizzesScience QuizzesClass 6 QuizzesClass 6 Science Chapter 14 Water Quiz 1Class 6 Science Chapter 14 Water Quiz 2Class 6 Science Chapter 14 Water Quiz 4 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books