This quiz works best with JavaScript enabled. Home > Water Management > Water Management – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Water Management Quiz 4 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Layers of sand, gravel, and hard coal remove impurities in ..... A) Coagulation. B) First filtration. C) Second filtration. D) Chlorination. Show Answer Correct Answer: C) Second filtration. 2. Groundwater provides ..... % of the drinking water in the USA. A) 5. B) 50. C) 18. D) 67. Show Answer Correct Answer: B) 50. 3. What is the term for an land above an aquifer. A) River system. B) Recharge zone. C) Aquifer. D) Watershed. Show Answer Correct Answer: B) Recharge zone. 4. Excessive richness of nutrients in a lake or other body of water. A) Groundwater. B) Run-off. C) Eutrophication. D) Non-point source contamination. Show Answer Correct Answer: C) Eutrophication. 5. The process of changing a liquid into vapor A) Transpiration. B) Evaporation. C) Excavation. D) Condensation. Show Answer Correct Answer: B) Evaporation. 6. Los Angeles supports millions of people in a desert because they get their water from A) Aqueducts. B) Groundwater. C) Dams/reservoirs. D) None of above. Show Answer Correct Answer: A) Aqueducts. 7. What percent of all water is fresh water? A) 2%. B) 33%. C) 72%. D) 98%. Show Answer Correct Answer: A) 2%. 8. How far can dam water travel when it is unleashed from a broken dam? A) Tens of thousands of kilometres downstream. B) Thousands of kilometres. C) Tens of kilometres. D) Less than 10 kilometres. Show Answer Correct Answer: C) Tens of kilometres. 9. What is causing cholera? A) Mosquitoes in tropical parts of the world. B) People not using hand-sanitizers. C) Drinking water contaminated with sewage. D) Muddy water. Show Answer Correct Answer: C) Drinking water contaminated with sewage. 10. ..... is the dry, leeward side of a mountain range receive little A) Rain gague. B) Rain shadow. C) Rain cloud. D) None of the above. Show Answer Correct Answer: B) Rain shadow. 11. What provides crops with water from sources other than direct precipitation? A) Aeration. B) Irrigation. C) Coagulation. D) Xeriscaping. Show Answer Correct Answer: B) Irrigation. 12. The least efficient agricultural irrigation technique is A) Overhead sprinklers. B) Water filled ditch. C) Drip irrigation. D) None of above. Show Answer Correct Answer: A) Overhead sprinklers. 13. What is a disadvantage of an aqueduct? I. Diversion from the natural river channel flow II. Loss of water due to evaporation III. Political problems due to location of water bodies A) I and II. B) II and III. C) I and III. D) I, II and III. Show Answer Correct Answer: D) I, II and III. 14. Which sector uses the most the water? A) Agriculture (farming). B) Industry (manufacturing). C) Domestic (home use). D) None of above. Show Answer Correct Answer: A) Agriculture (farming). 15. Hydrograph is a graphical representation of A) Surface run off. B) Ground water flow. C) Rain fall. D) Discharge flowing in the river. Show Answer Correct Answer: D) Discharge flowing in the river. 16. Water diversion projects may involve the movement of water to dry regions using A) Canals. B) Dams. C) Reservoirs. D) Sprinklers. Show Answer Correct Answer: A) Canals. 17. The percentage of Earth surface which is covered by oceans and seas is A) 50%. B) 65%. C) 85%. D) 97%. Show Answer Correct Answer: D) 97%. 18. A huge lake is made behind the dam, which is called a ..... A) Reservoir. B) Canal. C) Well. D) Tank. Show Answer Correct Answer: A) Reservoir. 19. Which one of these is a biological process of treating water? A) Screening of sewage. B) Aeration of sewage. C) Exposure to ultraviolet light. D) Addition of Chlorine water. Show Answer Correct Answer: B) Aeration of sewage. 20. Approximately what percentage of Earth's water is fresh water? A) 97%. B) 50%. C) 10%. D) 3%. Show Answer Correct Answer: D) 3%. ← PreviousNext →Related QuizzesWater Management Quiz 1Water Management Quiz 2Water Management Quiz 3Water Management Quiz 5Water Management Quiz 6Water Management Quiz 7Water Management Quiz 8Water Management Quiz 9Water Management Quiz 10Water Management Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books