This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Geography > Water > Class 7 Geography Chapter 5 Water – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 5 Water Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When we add salt into pure water, the boiling point of the solution will A) Be more than the boiling point of the pure water. B) Be less than the boiling point of the pure water. C) Same as the boiling point of the pure water. D) None of the above. Show Answer Correct Answer: A) Be more than the boiling point of the pure water. 2. Water pollution occurs when ..... are discharged into water bodies without treatment to get rid of harmful compounds. A) Food items. B) Sources. C) Pollutants. D) Rain water. Show Answer Correct Answer: C) Pollutants. 3. What is it called when liquid water is turned into a gas? A) Transporation. B) Evaporation. C) Condensation. D) Precipitation. Show Answer Correct Answer: B) Evaporation. 4. Household bleach has a pH of 12. Determine if it's an acid, base, or neutral. A) Acid. B) Base. C) Neutral. D) None of the above. Show Answer Correct Answer: B) Base. 5. Which of these techniques can be used in cities to conserve water? A) Water harvesting. B) Water seeding. C) Drip water irrigation. D) Water planting. Show Answer Correct Answer: A) Water harvesting. 6. Which one of the following is the cause of the depletion of water table? A) Increasing population. B) Agricultural activities. C) Increasing industries. D) All of these. Show Answer Correct Answer: D) All of these. 7. Why is it important to protect watersheds and conserve water resources? A) Water remains clean even if the land area around it is polluted. B) Fresh water is abundant everywhere on Earth. C) Water is hard to pollute and very easy to clean. D) All living things depend on clean water. Show Answer Correct Answer: D) All living things depend on clean water. 8. If the temperature in water increases, the amount of oxygen dissolved in water ..... A) Increases. B) Decreases. C) All the above. D) None of the above. Show Answer Correct Answer: B) Decreases. 9. What property of water allows it to be such a versatile solvent that it is often called the "universal solvent?" A) Adhesion. B) Polarity and cohesion. C) High heat capacity. D) Expansion upon freezing. Show Answer Correct Answer: B) Polarity and cohesion. 10. Contrast the water in oceans with fresh water. A) Oceans are salty, and fresh water is not. B) Ocean water is warmer than fresh water. C) Fresh water has dissolved minerals, and oceans do not. D) Fresh water is full of sodium chloride, and oceans are not. Show Answer Correct Answer: A) Oceans are salty, and fresh water is not. 11. An area of land that is saturated (covered) by water permanently or seasonally. A) Wetland. B) Estuary. C) All the above. D) None of the above. Show Answer Correct Answer: A) Wetland. 12. Choose the correct statement about water. A) We get water from taps in our homes. B) Bridges are built to use river water. C) Water in the rivers and lakes are always clean. D) Dirty water is good for health. Show Answer Correct Answer: A) We get water from taps in our homes. 13. Animals require water for ..... A) Playing. B) Drinking. C) Making food. D) None of the above. Show Answer Correct Answer: B) Drinking. 14. The ground water-bearing layer of the earth which is below the water table is? A) Water table. B) Aquifer. C) Sea-level. D) None of these. Show Answer Correct Answer: B) Aquifer. 15. What controls whether water is a gas, liquid, or solid ice? A) If it is being used for irrigation. B) The shape or size of the cup. C) What its temperature is. D) Where it has been stored. Show Answer Correct Answer: C) What its temperature is. 16. Which of the following is built to use river water? A) Canals. B) Dams. C) Bridge. D) Both a and b. Show Answer Correct Answer: D) Both a and b. 17. Which statement best describes an effect of the low density of frozen water on a lake? A) When water freezes it contracts, decreasing the water level in the lake. B) Water in a lake freezes from the bottom up. C) Water removes thermal energy from the land, causing the lake to freeze. D) When water in a lake freezes, it floats and provides insulation for the organisms below. Show Answer Correct Answer: D) When water in a lake freezes, it floats and provides insulation for the organisms below. 18. How much water do you lose each day? A) Two to three gallon. B) Two to three quarts. C) Two to three cups. D) Two to three ounces. Show Answer Correct Answer: B) Two to three quarts. 19. Which country has staked its future on dams more than others? A) India. B) Palestine. C) Ampreal. D) China. Show Answer Correct Answer: A) India. 20. Water has its own colour and taste. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 21. ..... is the process of contamination of water bodies by pollutants. A) Air pollution. B) Soil pollution. C) Water pollution. D) Land pollution. Show Answer Correct Answer: C) Water pollution. 22. Precipitation redistributes fresh water over Earth's surface ..... The majority of the world's precipitation takes place over ..... and is ..... for use as fresh water to meet the needs of people. A) Evenly, oceans, accessible. B) Unevenly, land, inaccessible. C) Evenly, land, accessible. D) Unevenly, oceans, inaccessible. Show Answer Correct Answer: D) Unevenly, oceans, inaccessible. 23. A high specific heat means ..... A) It heats up quickly with energy added. B) It requires more energy to change temperature. C) All the above. D) None of the above. Show Answer Correct Answer: B) It requires more energy to change temperature. 24. The BEST way to conserve water is to pour the water down the sink. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 25. Surface tension is the property of water in which ..... A) Water molecules at the surface tend to stick together. B) Water spills easily. C) Water tends to be see-through. D) None of the above. Show Answer Correct Answer: A) Water molecules at the surface tend to stick together. 26. How are bugs and some lizards able to stay on the surface of the water? A) Surface tension. B) Adhesion. C) Cohesion. D) Water wicking. Show Answer Correct Answer: A) Surface tension. 27. Earth's surface covered with water is A) 58%. B) 80%. C) 71%. D) 60%. Show Answer Correct Answer: C) 71%. 28. Match the correct answer:Melting point A) Evaporation. B) Solid to liquid. C) Condensation. D) Surface water. Show Answer Correct Answer: B) Solid to liquid. 29. What is the attractive force between two bodies of different substances that are in contact with each other? This is the property of a water molecule that allows it to stick to other substances. A) Cohesion. B) Specific heat. C) Universal solvent. D) Adhesion. Show Answer Correct Answer: D) Adhesion. 30. The process of groundwater getting stored between the layers of hard rock below the water table is known as ..... A) Water table. B) White. C) Infiltration. D) Aquifer. Show Answer Correct Answer: D) Aquifer. 31. How many hydrogen atoms are in a water molecule? (HINT:H$_{2}$0) A) 5. B) 0. C) 1. D) 2. Show Answer Correct Answer: D) 2. 32. Water is known as a ..... molecule A) Polar. B) Cold. C) Non-polar. D) Warm. Show Answer Correct Answer: A) Polar. 33. How much of the Earth is covered in water? A) 3%. B) 2%. C) 71%. D) 97%. Show Answer Correct Answer: C) 71%. 34. Which abiotic factor most influences the water cycle? A) Wind. B) Air. C) Soil. D) Sun. Show Answer Correct Answer: D) Sun. 35. A(n) ..... is a liquid that dissolves substances or the substance in which the solute dissolves. A) Solute. B) Solvent. C) Mixture. D) Molecule. Show Answer Correct Answer: B) Solvent. 36. Snow on the top of mountains melts into water and flows down as streams. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 37. The Chesapeake Bay is ..... because it is an enclosed body of water where freshwater mixes with salty ocean water. A) A Wetland. B) A Watershed. C) An Estuary. D) A Tributary. Show Answer Correct Answer: C) An Estuary. 38. What is water doing when it is changed into water vapour? A) Precipitating. B) Evaporating. C) Freezing. D) Condensing. Show Answer Correct Answer: B) Evaporating. 39. Less than 3% of the world's water is fresh water A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 40. What is non-point pollution? A) Pollution from specific point sources only. B) Pollution caused by natural disasters. C) Pollution originating from outer space. D) Pollution from multiple sources that cannot be identified. Show Answer Correct Answer: D) Pollution from multiple sources that cannot be identified. 41. The path that a stream or river flows. A) Channel. B) Tributary. C) Divide. D) Watershed. Show Answer Correct Answer: A) Channel. 42. Which of the following is the largest source of salt water? A) Oceans. B) Rivers. C) Lakes. D) Streams. Show Answer Correct Answer: A) Oceans. 43. Decreasing the pressure of gases in liquids means ..... A) Increase in solubility. B) Decrease in solubility. C) All the above. D) None of the above. Show Answer Correct Answer: B) Decrease in solubility. 44. The rythmic rise and fall of ocean water twice in a day is called A) Waves. B) Ocean currents. C) Tides. D) None of the above. Show Answer Correct Answer: C) Tides. 45. Which of the following best describes a supersaturated solution? A) A solution that contains the maximum amount of solute that is capable of being dissolved. B) A solution that contains less than the maximum amount of solute that is capable of being dissolved. C) A solution that contains more than the maximum amount of solute that is capable of being dissolved. D) None of the above. Show Answer Correct Answer: C) A solution that contains more than the maximum amount of solute that is capable of being dissolved. 46. Which technique use to separate substances that dissolved in water? A) Chromatography. B) Decantation. C) Evaporation. D) Physical Manipulation. Show Answer Correct Answer: C) Evaporation. 47. The higher humidity, the ..... the rate of evaporation of water A) Changes. B) Higher. C) Lower. D) No change. Show Answer Correct Answer: C) Lower. 48. Planting of more trees will help in- A) Reducing the ground water level. B) Setting up more factories. C) Deforestation. D) Increasing the rainfall. Show Answer Correct Answer: D) Increasing the rainfall. 49. Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of the water? A) Solvent properties. B) Adhesion. C) Surface tension. D) Nonpolar. Show Answer Correct Answer: C) Surface tension. 50. International year of freshwater is A) 2004. B) 2002. C) 2005. D) 2003. Show Answer Correct Answer: D) 2003. 51. What does it mean If the molecule is polar? A) The molecule it at earth's poles. B) The molecule has a positive and negative region. C) The molecule is very cold. D) The molecule divides people. Show Answer Correct Answer: B) The molecule has a positive and negative region. 52. Amphibious can live in water and land A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 53. The bond that holds the Oxygen and Hydrogen atoms together in a water molecule is a ..... bond. A) Ionic. B) Hydrogen. C) Covalent. D) Weak. Show Answer Correct Answer: C) Covalent. 54. Where does most drinking water come from? A) Groundwater. B) Reservoirs. C) Lakes. D) Oceans. Show Answer Correct Answer: A) Groundwater. 55. Generally the warm ocean current originate near ..... A) Equator. B) Poles. C) None of these. D) None of the above. Show Answer Correct Answer: A) Equator. 56. The number of molecules of water of crystallisation in Blue vitriol is: A) 3. B) 5. C) 4. D) 7. Show Answer Correct Answer: B) 5. 57. Consider The Following Statements And Choose The Incorrect One: A) . The saline water of seas and oceans is not fit for human consumption. B) . The water which is fit for use by human beings is called fresh water. C) . The readily available fresh water for use by human beings is only is 0.014% of all the fresh water present on the earth. D) . None of the above. Show Answer Correct Answer: D) . None of the above. 58. Why are oceans a major part of the water cycle? A) Because they are large bodies of salt water that easily evaporate salt into the air. B) Because they are large bodies of salt water that fresh water can be evaporated from. C) Because the salt water condenses easily to become a gas in the air. D) Because the salt water runs off onto land to fill lakes and streams. Show Answer Correct Answer: B) Because they are large bodies of salt water that fresh water can be evaporated from. 59. Dirty water can make us ..... A) Healthy. B) Sick. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sick. 60. Factors causing shortage of water are- A) Population. B) Deforestation. C) Setting up of factories. D) All. Show Answer Correct Answer: D) All. 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