This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Geography > Water > Class 7 Geography Chapter 5 Water – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 5 Water Quiz 6 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The place where the river flows into the sea is called ..... A) Floodplains. B) Source. C) The mouth. D) Tributary. Show Answer Correct Answer: C) The mouth. 2. When does evaporation happen? A) Liquid to gas. B) Gas to liquid. C) Liquid to solid. D) Solid to liquid. Show Answer Correct Answer: A) Liquid to gas. 3. What source of energy evaporates the most water from earth's surface? A) Lightning. B) The sun. C) Wind. D) Volcanoes. Show Answer Correct Answer: B) The sun. 4. Wide mouth of a river with tides A) Estuary. B) Levee. C) Channel. D) Sound. Show Answer Correct Answer: A) Estuary. 5. A liquid drying and dehydrating agent is: A) Anhydrous CaCl$_{2}$. B) Dilute H$_{2}$SO$_{4}$. C) Silica gel. D) Concentrated H$_{2}$SO$_{4}$. Show Answer Correct Answer: D) Concentrated H$_{2}$SO$_{4}$. 6. Hardness in water is caused by the presence of: A) Sodium chloride. B) Potassium nitrate. C) Calcium chloride. D) Sodium carbonate. Show Answer Correct Answer: C) Calcium chloride. 7. How does water dissolve salt? A) Water does not dissolve salt. B) Water is heavily attracted to salt compounds in a way that it can disturb the attractive forces that hold the sodium and choloride in the salt compound together and then dissolve it. C) All the above. D) None of the above. Show Answer Correct Answer: B) Water is heavily attracted to salt compounds in a way that it can disturb the attractive forces that hold the sodium and choloride in the salt compound together and then dissolve it. 8. ..... cannot live outside water. A) Seahorse. B) Rhinoceros. C) Crocodile. D) Frog. Show Answer Correct Answer: A) Seahorse. 9. A florist places a bouquet of white carnations in water containing blue dye. After a time, the flowers turn blue. What process helped the carnations to change color? A) Specific heat. B) Surface tension. C) Cohesion and adhesion of water molecules. D) Formation of covalent bonds between hydrogen and oxygen molecules. Show Answer Correct Answer: C) Cohesion and adhesion of water molecules. 10. The process of taking a portion of water for analysis or other testing is ..... A) Heating. B) Evaporation. C) Cooling. D) Water Sampling. Show Answer Correct Answer: D) Water Sampling. 11. What is permeable layer? A) Layer is rock. B) Layer that allows water go through. C) Layer that does not allow water to go through. D) Magma layer. Show Answer Correct Answer: B) Layer that allows water go through. 12. ..... is an attractive force between different types of molecules. A) Adhesive force. B) Thrust force. C) Cohesive force. D) Drag force. Show Answer Correct Answer: A) Adhesive force. 13. When water vapour goes up in the air it cools down and form ..... A) Clouds. B) Rain. C) Snow. D) None of the above. Show Answer Correct Answer: A) Clouds. 14. If the precipitate formed is soft, loose and slimy, these are ..... A) Sludges. B) Scale. C) Rodent. D) All the above. Show Answer Correct Answer: A) Sludges. 15. A water molecule has the chemical formula H2O. This means that the water molecule is made up of A) Two hydrogen atoms and one oxygen atom. B) Two oxygen atoms and one hydrogen atom. C) Two hydrogen atoms and two oxygen atoms. D) Two molecules of water. Show Answer Correct Answer: A) Two hydrogen atoms and one oxygen atom. 16. ..... % of the U.S. fresh water is used for crops and livestock. A) 10. B) 60. C) 50. D) 40. Show Answer Correct Answer: D) 40. 17. Which of the following factors affect watershed management? A) Size, shape and Topography. B) Precipitation and intensity of rainfall. C) Vegetative cover and Density. D) All of the above. Show Answer Correct Answer: D) All of the above. 18. Foaming is caused by the formation of ..... A) Acids. B) Alcohols. C) Oils and Alkalies. D) Ketones. Show Answer Correct Answer: C) Oils and Alkalies. 19. Which is the solute in this solution? Kool-aid mix and water. A) Kool-aid mix. B) Water. C) All the above. D) None of the above. Show Answer Correct Answer: A) Kool-aid mix. 20. Choose one correct method which is direct use of water. A) Washing utensils. B) Cooking. C) Bathing. D) All of the above. Show Answer Correct Answer: B) Cooking. 21. Cold water dissolves solutes more easily. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 22. Which of the following does not allow water to seep in easily? A) Grau. B) Mud. C) Buck. D) All the above. Show Answer Correct Answer: C) Buck. 23. What percentage of water can be found in Ice Caps? A) 2%. B) 2.064%. C) 2.02%. D) 2.6%. Show Answer Correct Answer: A) 2%. 24. Water that seeps into the soil is termed as ..... A) Fresh water. B) Groundwater. C) Surface water. D) Infiltration. Show Answer Correct Answer: D) Infiltration. 25. Uses of water ..... A) Throwing garbage. B) Cooking, washing putting out fire . C) All the above. D) None of the above. Show Answer Correct Answer: B) Cooking, washing putting out fire . 26. Without hydrogen bonding, water would boil at? A) -81 degrees Celsius. B) 40 degrees Celsius. C) -5 degrees Celsius. D) 125 degrees Celsius. Show Answer Correct Answer: A) -81 degrees Celsius. 27. The freezing and melting points of water are the same. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 28. Which of the following is the most reasonable explanation of why a well drilled into an aquifer would fail to produce water? A) Runoff containing chemicals has caused a dead zone. B) Over pumping has exceeded rain water replenishment. C) Excessive growth of algae has killed local pond life. D) Pollutants have seeped into the groundwater. Show Answer Correct Answer: B) Over pumping has exceeded rain water replenishment. 29. Hyponatremia is caused when a person consumes A) No water. B) Too much water. C) Only water. D) Too less water. Show Answer Correct Answer: B) Too much water. 30. Water can form drops because of ..... A) Specific heat. B) Cohesion. C) Density. D) Capillary action. Show Answer Correct Answer: B) Cohesion. 31. Why does alcohol evaporate faster than water? A) It heats up quicker. B) It has bigger molecules. C) The molecules are not as attracted to each other. D) None of the above. Show Answer Correct Answer: C) The molecules are not as attracted to each other. 32. An area of permeable layer of rock or soil that holds a large amount of water in the saturated zone is called what? A) Aquifer. B) Spring. C) Reservoir. D) Well. Show Answer Correct Answer: A) Aquifer. 33. Which best explains why most clouds form high in the atmosphere instead of close to the ground? A) Heat from the sun increases run-off. B) Heat from the sun decreases condensation. C) Heat from the sun causes air pressure to fall. D) Heat from the sun causes water vapor to rise. Show Answer Correct Answer: D) Heat from the sun causes water vapor to rise. 34. A water bug walking across the top of water due to surface tension is an example of water displaying ..... A) Cohesion. B) Adhesion. C) All the above. D) None of the above. Show Answer Correct Answer: A) Cohesion. 35. Substance on exposure to the atmosphere absorbs moisture and changes into liquid A) Hygroscopic. B) Diiquescent. C) Dehydrating agent. D) Efflorescent. Show Answer Correct Answer: B) Diiquescent. 36. Surface tension of water is the cohesive force between water molecules and other molecules. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 37. True or False:Adhesion is when water molecules stick to each other. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 38. The total hardness of the potable water should be less than ..... A) 1000 ppm. B) 900 ppm. C) 500 ppm. D) 700 ppm. Show Answer Correct Answer: C) 500 ppm. 39. What is water doing when it changes to water? A) Evaporating. B) Condensing. C) Precipitating. D) None of the above. Show Answer Correct Answer: B) Condensing. 40. Which of the following is the hot form of precipitation of water? A) Snow. B) Sleet. C) Rain. D) Fog. Show Answer Correct Answer: D) Fog. 41. Which Of The Following Statement Is Or Are Correct?[A]. Water is essential for the existence of life. A) . Without water, there would be no living things on the earth. B) . Water is essential for the existence of life. C) . All the above. D) . Actually about 71% of the earth's surface is covered with water. Show Answer Correct Answer: C) . All the above. 42. Wind is created when A) Moving air rises and stationary air moves in to fill its place. B) Warm air rises and cold air moves in to fill its place. C) Cold air rises and warm air moves in to fill its place. D) Warm air sinks and cold air moves out of the way. Show Answer Correct Answer: B) Warm air rises and cold air moves in to fill its place. 43. Fertilizers added to crops on farms can collect in runoff and enter the watershed. This problem would be reduced in areas where- A) Farms are situated on the sides of mountains. B) Crops are grown for animals as well as humans. C) The growing season of the crops is longer. D) An extended drought leads to little or no rain. Show Answer Correct Answer: D) An extended drought leads to little or no rain. 44. What does "polar" mean? A) A molecule is cold. B) A molecule has ionic bonds. C) A molecule has covalent bonds. D) A molecule has areas of positive and negative charge. Show Answer Correct Answer: D) A molecule has areas of positive and negative charge. 45. A Universal solvent A) Water. B) Soil. C) Petrol. D) None of the above. Show Answer Correct Answer: A) Water. 46. ..... is when water vapor is releases from the leaves of plants. A) Transpiration. B) Percolation. C) Accumulation. D) Precipitation. Show Answer Correct Answer: A) Transpiration. 47. Which of the following is the source of fresh water? A) (a) Seas. B) (b) Oceans. C) (c) Snow and ice. D) None of the above. Show Answer Correct Answer: C) (c) Snow and ice. 48. What kind of water does not contain salt and makes up ponds and rivers? A) Freshwater. B) Saltwater. C) All the above. D) None of the above. Show Answer Correct Answer: A) Freshwater. 49. Being able to predict weather patterns can help predict and prepare for hurricanes. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 50. Where is most freshwater on Earth located? A) Most of Earth's freshwater is found in lakes, rivers and streams. B) Most of Earth's freshwater is found in snow, ice caps and glaciers. C) Most of Earth's freshwater is found in the oceans and seas. D) Most of Earth's freshwater is found in groundwater. Show Answer Correct Answer: B) Most of Earth's freshwater is found in snow, ice caps and glaciers. 51. Hand pumps, wells, tube wells are examples of ..... A) Surface water. B) Ground water. C) All the above. D) None of the above. Show Answer Correct Answer: B) Ground water. 52. Which of these is NOT a function of wetlands? A) They are excellent areas for disposing waste. B) They provide shelter for wildlife. C) They help remove pollutants from the water. D) They help reduce erosion of the land. Show Answer Correct Answer: A) They are excellent areas for disposing waste. 53. What is an isotope? A) An atom of an element with a different atomic number. B) An atom of an element with a different number of electrons. C) An atom of an element with a different number of protons. D) An atom of an element with a different number of neutrons. Show Answer Correct Answer: D) An atom of an element with a different number of neutrons. 54. What is needed to change water from one state to another? A) Change of size. B) Change of container. C) Change of location. D) Change of temperature. Show Answer Correct Answer: D) Change of temperature. 55. ..... can be used to make water clean. A) Well. B) Hand pump. C) Water filter. D) None of the above. Show Answer Correct Answer: C) Water filter. 56. Types of ocean movements A) Whirlpools. B) Waves, tides, currents. C) Tsunamis. D) Floods. Show Answer Correct Answer: B) Waves, tides, currents. 57. Drinking dirty water can make us ..... A) Sick. B) Dull. C) Healthy. D) Active. Show Answer Correct Answer: A) Sick. 58. Rainwater harvesting is a compulsory activity for every building in ..... A) Tamil Nadu. B) Uttar Pradesh. C) Chennai. D) Mumbai. Show Answer Correct Answer: A) Tamil Nadu. 59. Choose the correct word to fill in the blank.b) ..... is the main source of water. A) Germs. B) Rainwater. C) All the above. D) None of the above. Show Answer Correct Answer: B) Rainwater. 60. Which process of the water cycle returns condensed water to the earth's surface? A) Precipitation. B) Transpiration. C) Condensation. D) Evaporation. Show Answer Correct Answer: A) Precipitation. ← PreviousNext →Related QuizzesGeography QuizzesClass 7 QuizzesClass 7 Geography Chapter 5 Water Quiz 1Class 7 Geography Chapter 5 Water Quiz 2Class 7 Geography Chapter 5 Water Quiz 3Class 7 Geography Chapter 5 Water Quiz 4Class 7 Geography Chapter 5 Water Quiz 5Class 7 Geography Chapter 5 Water Quiz 7Class 7 Geography Chapter 5 Water Quiz 8Class 7 Geography Chapter 5 Water Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books