This quiz works best with JavaScript enabled. Home > Agriculture > Water Management > Irrigation > Water Management – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Water Management Quiz 7 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Bacteria, viruses, and parasitic worms are considered ..... and must be removed from water. A) Poisons. B) Heavy metals. C) Solid waste. D) Pathogens. Show Answer Correct Answer: D) Pathogens. 2. Mine site drainage can often cause this: A) Cultural eutrophication. B) Acidic runoff. C) Saltwater intrusion. D) None of above. Show Answer Correct Answer: B) Acidic runoff. 3. The rainfall at any place is described by A) Its intensity. B) Its duration. C) Its frequency. D) All the above. Show Answer Correct Answer: D) All the above. 4. Water on the top the earth can form lakes or rivers, these are termed ..... A) Groundwater. B) Infiltration. C) Fresh water. D) Surface water. Show Answer Correct Answer: D) Surface water. 5. Freshwater accounts for what percent of total water in the world? A) 77%. B) 3%. C) 97%. D) 22%. Show Answer Correct Answer: B) 3%. 6. Water that fills the cracks and spaces in underground soil and rock layers is called A) Groundwater. B) Rainwater. C) Water vapor. D) Salt water. Show Answer Correct Answer: A) Groundwater. 7. Sources of ocean pollution include A) Oil spills. B) Direct dumping of wastewater. C) Activities on land. D) All of these. Show Answer Correct Answer: D) All of these. 8. Which is not a use of fresh water in industry? A) Crop irrigation. B) Electricity generation. C) Cooling. D) Waste disposal. Show Answer Correct Answer: A) Crop irrigation. 9. During secondary treatment in the aeration tanks, what is working on the sewage waste? A) Oxidation/reduction. B) Microorganisms. C) Humans. D) Air titration. Show Answer Correct Answer: B) Microorganisms. 10. Sewers are made of? A) Polyvinyl Chloride. B) Ammonium Chloride. C) Stainless steel (SS). D) Plastic. Show Answer Correct Answer: A) Polyvinyl Chloride. 11. Water pollution that comes from many sources is considered ..... A) Ocean pollution. B) Thermal pollution. C) Nonpoint source pollution. D) Point source pollution. Show Answer Correct Answer: C) Nonpoint source pollution. 12. Over-irrigation can result in A) Salinization. B) Sediment capture. C) Recharge. D) Water diversion. Show Answer Correct Answer: A) Salinization. 13. The largest single use of water for industrial purposes is for A) Canning and food processing. B) Cooling. C) Power production. D) Washing produce in food processing industries. Show Answer Correct Answer: C) Power production. 14. Against the construction of which one of the following multipurpose projects was the Narmada Bachao Andolan launched? A) Sardar Sarovar. B) Bhakra Nangal. C) Rihand. D) Tehri. Show Answer Correct Answer: A) Sardar Sarovar. 15. In ....., waste from homes and businesses is piled into large, carefully-engineered mounds. A) Sanitary landfills. B) Hazardous waste landfills. C) Waste incinerators. D) None of these. Show Answer Correct Answer: A) Sanitary landfills. 16. Of industrial water use is: A) Used for cooling. B) Nonconsumptive. C) From surface water. D) All of these. Show Answer Correct Answer: D) All of these. 17. Nutrients in water that require microbial decomposition. A) Biochemical oxygen demand. B) Dissolved organic matter. C) Bioaccumulated pollutants. D) Nitrogen oxides. Show Answer Correct Answer: B) Dissolved organic matter. 18. ..... is the fraction of withdrawn water that is lost A) Wihrawal. B) Degraded. C) Water. D) Consumption. Show Answer Correct Answer: D) Consumption. 19. At what time usually rainfall is recorded in India? A) 10 P.M. B) 8 P.M. C) 4 P.M. D) 6 P.M. Show Answer Correct Answer: B) 8 P.M. 20. All of the following are valid criteria for the sustainable use of water except: A) Develop water efficient technologies. B) Develop sufficient water supplies to guarantee human health and well-being. C) Give volume discounts to the largest water consumers. D) Promote the use of water-efficient technology. Show Answer Correct Answer: C) Give volume discounts to the largest water consumers. 21. Which water source is the easiest to use? A) Ice. B) Groundwater. C) Surface water. D) None of above. Show Answer Correct Answer: C) Surface water. 22. In order to have a reservoir you must A) Dig a well. B) Construct a dam. C) Build an aquaduct. D) None of above. Show Answer Correct Answer: B) Construct a dam. 23. Which of the following group of practices reduces water pollution from agriculture activity? A) Use of buffer zones, field drains and tillage. B) Use of buffer zones, contour farming and tillage. C) Contour farming, leaving land fallow and use of field drains. D) Contour farming, use of field drains and buffer zones. Show Answer Correct Answer: D) Contour farming, use of field drains and buffer zones. 24. Improved water quality can be achieved by A) Appropriate use of water. B) Careful water storage and handling. C) Proper land management. D) All of the above. Show Answer Correct Answer: D) All of the above. 25. Water scarcity occurs when A) Renewable water supplies are slow to recover. B) Populations are evenly dispersed. C) Renewable water supplies are slow to diminish. D) The demand for water exceeds the available amount or when poor quality restricts its use. Show Answer Correct Answer: D) The demand for water exceeds the available amount or when poor quality restricts its use. 26. If 20 square meters of lawn requires about 50 liters per square meter per day, how much water is needed in one year to water it, assuming the rate does not change throughout the year? A) 3, 650, 000 liters. B) 3, 650 liters. C) 365, 000 liters. D) 36, 500 liters. Show Answer Correct Answer: C) 365, 000 liters. 27. Precipitation is another term for: A) Rain/snow. B) Evaporation. C) Transpiration. D) Climate change. Show Answer Correct Answer: A) Rain/snow. 28. Which Act strengthened the laws against dumping waste in U.S. waters? A) Marine Protection, Research, and Sanctuaries Act. B) Clean Water Act. C) Water Quality Act. D) Both the Marine Act & the Clean Water Act. Show Answer Correct Answer: A) Marine Protection, Research, and Sanctuaries Act. 29. You are selecting a new dishwasher. You do about 150 loads per year. The less efficient model uses 9 gallons per load. The more efficient model uses 6 gallons per load. How much money will be saved on water if you select the more efficient model and the price of water is $ 0.75 per 1, 000 gallons? A) $ 3.30. B) $ 330. C) $ 3, 000. D) $ 0.34. Show Answer Correct Answer: D) $ 0.34. 30. What type of system targets individual plants and introduces water directly into the soil? A) Drip irrigation. B) Desalination. C) Waterlogging. D) Reverse osmosis. Show Answer Correct Answer: A) Drip irrigation. ← PreviousNext →Related QuizzesWater Management QuizzesAgriculture QuizzesWater Management Quiz 1Water Management Quiz 2Water Management Quiz 3Water Management Quiz 4Water Management Quiz 5Water Management Quiz 6Water Management Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books