This quiz works best with JavaScript enabled. Home > Agriculture > Water Resources > Conservation > Water Resources – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Water Resources Quiz 7 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Approximately what percentage of the water on the earth is saltwater? A) 97%. B) 75%. C) 60%. D) 45%. Show Answer Correct Answer: A) 97%. 2. The element that is the primary regulator of the trophic state of water is ..... A) Nitrogen. B) Sulfur. C) Mercury. D) Phosphorus. Show Answer Correct Answer: D) Phosphorus. 3. What is the area where water infiltrates into an aquifer? A) Recharge zone. B) Zone of aeration. C) Infiltration. D) Zone of saturation. Show Answer Correct Answer: A) Recharge zone. 4. Out of the total fresh water available, nearly ..... is in the form of "ICE" and is found in glaciers in Antarctica, Greenland, mountain regions, etc. A) 3%. B) 2%. C) 1%. D) 4%. Show Answer Correct Answer: B) 2%. 5. How did the Multi-purpose projects affect the local people? A) Large-scale displacement of local communities. B) They gained economically. C) The govt gave them benefits. D) They got housing facilities. Show Answer Correct Answer: A) Large-scale displacement of local communities. 6. Runoff carries chemicals form road ways in to A) Lakes. B) Rivers. C) Oceans. D) All of the above. Show Answer Correct Answer: D) All of the above. 7. Most of Earth's liquid freshwater is found ..... A) In ice caps and glaciers. B) In lakes. C) Underground. D) In the oceans. Show Answer Correct Answer: C) Underground. 8. Which of the following terrestrial biomes is located in the frozen regions of the continent? A) Desert. B) Tundra. C) Coniferous Forest. D) Grassland. Show Answer Correct Answer: B) Tundra. 9. Use of this method of control requires concentrations to be increased often because pest develop resistance A) Pestsides. B) Control burning. C) Plant removal. D) GMOs. Show Answer Correct Answer: A) Pestsides. 10. Shillong faces acute shortage of water. Nearly every household in the city has a rooftop rainwater harvesting structure. Nearly ..... per cent of the total water requirement of the household comes from rooftop water harvesting. A) 15-20%. B) 20-25%. C) 10-15%. D) 25-30%. Show Answer Correct Answer: A) 15-20%. 11. How are most of the housing societies or colonies in the cities resourcing their water needs? A) City waterworks. B) Community water pumps. C) Own groundwater pumping device. D) Individual motor. Show Answer Correct Answer: C) Own groundwater pumping device. 12. According to the United Nations, 2.1 billion people around the globe had access only to ..... water. A) Conflict. B) Contaminated. C) Distributed. D) None of above. Show Answer Correct Answer: B) Contaminated. 13. This is the compartment of water in the American west that far exceeds withdrawal compared to recharge as a result farms and even whole towns are being abandoned. A) Lake Michigan. B) Olgalala Aquifer. C) Lake Mead. D) Arial Sea. Show Answer Correct Answer: B) Olgalala Aquifer. 14. ..... percent of the protein consumed by humans around the world is fish. A) 20. B) 50. C) 35. D) 2. Show Answer Correct Answer: A) 20. 15. What was the traditional practice in the flood plains of Bengal, for irrigation? A) Inundation channels. B) Man made lake. C) Rooftop rain water. D) Canals. Show Answer Correct Answer: A) Inundation channels. 16. Which one of the following is not an adverse effect of irrigation? A) Increased crop production. B) Salinasation of Soil. C) Irrigation changes cropping pattern. D) Water intensive crops are grown in dry areas. Show Answer Correct Answer: A) Increased crop production. 17. Examples are freshwater rivers and streams A) Confined aquifer. B) Transpiration. C) Water table. D) Surface Water. Show Answer Correct Answer: D) Surface Water. 18. Land covers about ..... of earth's surface. A) 70%. B) 80%. C) 20%. D) 30%. Show Answer Correct Answer: D) 30%. 19. The diversion channels seen in the Western Himalayas are called: A) Guls or Kuls. B) Khadins. C) Johads. D) Recharge pits. Show Answer Correct Answer: A) Guls or Kuls. 20. Which of these are changes you could make to increase water in your local aquifer? A) Water the lawn between 11 am and 4 pm. B) Take a shorter shower and turn off the water while you brush your teeth. C) Dispose of medications in the landfill, not the toilet. D) Use bottled water instead of tap water. Show Answer Correct Answer: B) Take a shorter shower and turn off the water while you brush your teeth. 21. What are some ways water shapes Earth's surface? A) By transporting nutrients and waste. B) By forming glaciers and weathering ocean shores. C) By forming rivers and mountains. D) By absorbing and transporting solar energy. Show Answer Correct Answer: B) By forming glaciers and weathering ocean shores. 22. What are aquifers? A) Hold potable water above ground. B) Water found in Earth's streams, rivers and lakes. C) Reservoirs of water maintained by dams. D) Underground layer of permeable rock or sediment that contains safe, clean fresh water. Show Answer Correct Answer: D) Underground layer of permeable rock or sediment that contains safe, clean fresh water. 23. In the 11th century CE, ..... was one of the largest artificial lakes built at that time A) Nagarjuna sagar. B) Hauz Khas Lake. C) Dal lake. D) Bhopal lake. Show Answer Correct Answer: D) Bhopal lake. 24. The thin layer of grainy substance covering the surface of the earth is called A) Land. B) Soil. C) Humus. D) Minerals. Show Answer Correct Answer: B) Soil. 25. Does water quality need to be monitored? A) Yes. B) Sometimes. C) No. D) Every month. Show Answer Correct Answer: A) Yes. 26. Which of the following will be densely populated? A) Steep slopes of the mountains. B) River valleys. C) Forested areas. D) Desert areas. Show Answer Correct Answer: B) River valleys. 27. Ethiopia and Egypt have long fought over Nile water ..... in Africa. A) Plumbing. B) Population. C) Resources. D) None of above. Show Answer Correct Answer: C) Resources. 28. All of the following may be consequences of dam construction except A) Higher risk of levee failure downstream of the dam. B) Lower fertility of floodplains downstream. C) Reduced upstream migration of fish. D) Reduced downstream migration of fish. Show Answer Correct Answer: A) Higher risk of levee failure downstream of the dam. 29. Which of these is ok to use black water for? A) Irrigation. B) Washing hands. C) Showering. D) Cooking. Show Answer Correct Answer: A) Irrigation. 30. Which of the following are hazards associated with volcanic eruptions? A) Tsunamis. B) Lahars. C) Tephra. D) All of these are correct. Show Answer Correct Answer: D) All of these are correct. ← PreviousNext →Related QuizzesWater Resources QuizzesAgriculture QuizzesWater Resources Quiz 1Water Resources Quiz 2Water Resources Quiz 3Water Resources Quiz 4Water Resources Quiz 5Water Resources Quiz 6Water Resources Quiz 8Water Resources Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books