This quiz works best with JavaScript enabled. Home > Cbse > Class 6 > Science > Water > Class 6 Science Chapter 14 Water – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 14 Water Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of these would most likely to happen if groundwater is overused? A) Sea level would rise. B) Only saltwater would be available for use. C) Only wells would be able to supply water. D) Level of ponds, wells and ground water decreases. Show Answer Correct Answer: D) Level of ponds, wells and ground water decreases. 2. Renewable resources are those that A) Cannot be replaced. B) Can be replaced. C) Are found in abudance. D) Are found everywhere. Show Answer Correct Answer: D) Are found everywhere. 3. Amount of water contained in an adult body? A) 75%. B) 70%. C) 60%. D) 80%. Show Answer Correct Answer: C) 60%. 4. Process of conversion of gas to liquid is known as A) Condensation. B) Evaporation. C) Transpiration. D) Boiling. Show Answer Correct Answer: A) Condensation. 5. Potable water is A) Transparent. B) Transparent and colourless. C) Transparent, colourless and has taste. D) Transparent, colourless, has taste and is free from germs. Show Answer Correct Answer: D) Transparent, colourless, has taste and is free from germs. 6. A solvent is ..... A) Substance into which the solute dissolves. B) A compound being dissolved. C) A substance that does not dissolve. D) None of the above. Show Answer Correct Answer: A) Substance into which the solute dissolves. 7. Water is essential for ..... A) Work. B) Life. C) Wastage. D) None of the above. Show Answer Correct Answer: B) Life. 8. There are two states of water A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 9. Which natural phenomenon results in excess water in an otherwise dry piece of land? A) Drought. B) Evaporation. C) Earthquake. D) Flood. Show Answer Correct Answer: D) Flood. 10. Groundwater is actually rainwater A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. Boiling temperature of water is A) 110$^\circ$C. B) 100$^\circ$C. C) 10$^\circ$C. D) 0$^\circ$C. Show Answer Correct Answer: B) 100$^\circ$C. 12. A water molecule looks like ..... A) Mickey mouse. B) Smiley face. C) A long chain of atoms. D) Grumpy cat. Show Answer Correct Answer: A) Mickey mouse. 13. This provides the power to keep the water cycle running. A) The Sun. B) Living things. C) The wind. D) The Earth. Show Answer Correct Answer: A) The Sun. 14. Which one of the following is a purest form of water? A) Ocean water. B) Rain water. C) River water. D) Ground water. Show Answer Correct Answer: B) Rain water. 15. Boiling point of water is A) 100$^{0}$C. B) 102$^{0}$C. C) 101$^{0}$C. D) 99$^{0}$C. Show Answer Correct Answer: A) 100$^{0}$C. 16. Vitreous membrane in the human eye contains ..... water. A) 2%. B) 56%. C) 99%. D) 34%. Show Answer Correct Answer: C) 99%. 17. How do people extract groundwater? A) Groundwater cannot be extracted. B) By drilling wells and pumping water out of the ground. C) Mining water from the Earth. D) None. Show Answer Correct Answer: B) By drilling wells and pumping water out of the ground. 18. True of False:There is less water on our planet today then there was 10, 000 years ago. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 19. Water on Earth is found naturally as a solid, a liquid, and a gas. Where is MOST of the solid water of Earth? A) In the outer atmosphere. B) At the bottom of the ocean. C) In Earth's polar regions. D) Deep in Earth's mantle. Show Answer Correct Answer: C) In Earth's polar regions. 20. What causes rain? A) Condensation in clouds. B) Water cycle. C) Evaporation of water. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. Not enough place for water to flow can causes ..... A) Earthquake. B) Avalanche. C) Flood. D) None of the above. Show Answer Correct Answer: C) Flood. 22. How Does Thunder Happen? A) Lightning creates a hole in the air and when it opens it creates thunder. B) Lightning creates a hole in the air and creates thunder. C) Lightning creates a hole in the air and when it closes it causes thunder. D) Lightning creates a hole in the air, and it closes and opens then it creates thunder. Show Answer Correct Answer: C) Lightning creates a hole in the air and when it closes it causes thunder. 23. Approximately what percentage of Earth's water is SALT water? A) 71%. B) 97 %. C) 3%. D) 30%. Show Answer Correct Answer: B) 97 %. 24. The water table is located A) At the top of the impermeable rocks. B) Below the impermeable rocks. C) At the top of the surface of earth. D) None of the above. Show Answer Correct Answer: A) At the top of the impermeable rocks. 25. Why can't we drink sea water. A) It is toxic to human since it contains sodium salt. B) It is toxic to human since it contains magnesium salt. C) It is toxic to human since it contains potassium salt. D) It is toxic to human since it contains calcium salt. Show Answer Correct Answer: A) It is toxic to human since it contains sodium salt. 26. Water obtained from oceans, rivers and wells are known as A) Artificial water. B) Common resource of water. C) Rare resource of water. D) Natural water. Show Answer Correct Answer: D) Natural water. 27. Two famous rivers known in Southwest Asia, in Iraq, that farmers use for irrigation A) Tigris and Euphrates. B) Nile and Blue Nile. C) Congo River. D) None of the above. Show Answer Correct Answer: A) Tigris and Euphrates. 28. What is one way you can conserve water? A) Water your lawn daily. B) Drink a lot of water. C) Take shorter showers. D) Keep your faucet running. Show Answer Correct Answer: C) Take shorter showers. 29. Oceans are made of: A) Saltwater. B) Freshwater. C) Both. D) None of the above. Show Answer Correct Answer: A) Saltwater. 30. How does water return to Earth from the atmosphere in the water cycle? A) Water vapor. B) Precipitation. C) Transpiration. D) Runoff. Show Answer Correct Answer: B) Precipitation. 31. The process of changing water into water vapour is called A) Sedimentation. B) Filtration. C) Evaporation. D) Condensation. Show Answer Correct Answer: C) Evaporation. 32. Clouds play a major role in the water cycle. A) True. B) False. C) Neither. D) None of the above. Show Answer Correct Answer: A) True. 33. How many hydrogen atoms are in one molecule of water? A) 4. B) 2. C) 3. D) 1. Show Answer Correct Answer: B) 2. 34. Water vapour is soild A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 35. Which of these would MOST LIKELY occur if the rate of evaporation over the ocean were to decrease for an extended length of time? A) The sea level would fall dramatically. B) Ocean currents would reverse their directions. C) The amount of precipitation on land would decrease. D) Harmful chemicals would be formed in the atmosphere. Show Answer Correct Answer: C) The amount of precipitation on land would decrease. 36. Which of these is an example of precipitation? A) Snow. B) Air. C) Vapor. D) Clouds. Show Answer Correct Answer: A) Snow. 37. Who is known as 'Waterman of India'? A) Die.Rajendra Singh. B) Tree. C) Mr. M. S. Swaminathan. D) Bitter.Salim Ali. Show Answer Correct Answer: A) Die.Rajendra Singh. 38. Fog appearing on a cold winter is the result of A) Condensation. B) Evaporation. C) Precipitation. D) None of these. Show Answer Correct Answer: A) Condensation. 39. Sand is ..... , meaning that water can pass through easily. A) Solid. B) Soft. C) Permeable. D) Impermeable. Show Answer Correct Answer: C) Permeable. 40. Water that is stored in layers of rock and soil beneath the Earth's surface is called ..... A) Groundwater. B) A reservoir. C) Sewage. D) An underground stream. Show Answer Correct Answer: A) Groundwater. 41. Which does not require constant heating? A) Boiling. B) Evaporation. C) Both. D) None of the above. Show Answer Correct Answer: B) Evaporation. 42. Forms of precipitation are- A) Only sleet and snow. B) Rain, sleet, hail, and snow. C) Only dew and rain. D) Only snow and rain. Show Answer Correct Answer: B) Rain, sleet, hail, and snow. 43. The only planet in Solar system with liquid water is? A) Mercury. B) Earth. C) Uranus. D) Sun. Show Answer Correct Answer: B) Earth. 44. Put the following water sources in order from largest to smallest. A) Atmosphere, Oceans, Glaciers, Groundwater, Rivers, Atmosphere. B) Glaciers, Oceans, Groundwater, Lakes, Rivers, Atmosphere. C) Oceans, Glaciers, Groundwater, Lakes, Atmosphere, Rivers. D) Rivers, Atmosphere, Lakes, Groundwater, Glaciers, Oceans. Show Answer Correct Answer: C) Oceans, Glaciers, Groundwater, Lakes, Atmosphere, Rivers. 45. The pH scale is a range from: A) 1-20. B) 1-7. C) 0-14. D) 1-14. Show Answer Correct Answer: C) 0-14. 46. The quantity of water required to produce one page of your book is A) One bucket. B) Few drops. C) Two glasses. D) Ten buckets. Show Answer Correct Answer: C) Two glasses. 47. Where is most water found on Earth? A) Rivers. B) Glaciers. C) Lakes. D) Oceans. Show Answer Correct Answer: D) Oceans. 48. THE CONSUMPTION OF CONTAINEMATED WATER CAN CAUSE:- A) A) TYPHOID. B) B) damn. C) C)COVID-19. D) BOTH OPTION A AND B. Show Answer Correct Answer: D) BOTH OPTION A AND B. 49. Which of the following change when boiled?(i) Temperature (ii) state (iii)color A) I & iii. B) Ii & iii. C) I, III. D) I & II. Show Answer Correct Answer: D) I & II. 50. Ice is lighter than water. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 51. Which of these is a major source of water? A) Pond. B) Spring. C) River. D) Lake. Show Answer Correct Answer: C) River. 52. Ocean water cannot be used for domestic purpose because it contains A) Acuds. B) Dust. C) Insoluble salts. D) Soluble salts. Show Answer Correct Answer: D) Soluble salts. 53. Thunderstorms are the result of which type of pressure system? A) Low. B) High. C) All the above. D) None of the above. Show Answer Correct Answer: A) Low. 54. The percentage of water in potato is A) 88%. B) 75%. C) 90%. D) 95%. Show Answer Correct Answer: B) 75%. 55. A(n) ..... is a substance with a pH less than 7 A) Base. B) Acid. C) Buffer. D) Alkaline. Show Answer Correct Answer: B) Acid. 56. What helps in the formation of a solution? A) Two substances should be mutually soluble in one another. B) Solute should be in the form of powder. C) Temperature of the solvent should be high. D) All of the above. Show Answer Correct Answer: D) All of the above. 57. In developing Countries, about ..... of industrial waste is dumped untreated into water bodies, polluting the useable water supply. A) 78%. B) 20%. C) 84%. D) 70%. Show Answer Correct Answer: D) 70%. 58. ..... and ..... are used to draw water from ground water. A) Hand pump. B) Tube well. C) Both of these. D) None of these. Show Answer Correct Answer: C) Both of these. 59. Why our earth is called a blue planet? A) Because it is surrounded from mountains. B) Because it is surrounded from greenry. C) Because it is surrounded from land. D) Because it is surrounded with water from all sides. Show Answer Correct Answer: D) Because it is surrounded with water from all sides. 60. When water leaves plants in the form of water vapor it is known as A) Transpiration. B) Condensation. C) Evaporation. D) Precipitation. Show Answer Correct Answer: A) Transpiration. ← PreviousNext →Related QuizzesScience QuizzesClass 6 QuizzesClass 6 Science Chapter 14 Water Quiz 1Class 6 Science Chapter 14 Water Quiz 3Class 6 Science Chapter 14 Water Quiz 4 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books