This quiz works best with JavaScript enabled. Home > Water Resources > Water Resources – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Water Resources Quiz 7 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is an algal bloom A) Bacteria in water. B) The rapid growth of a population of algal. C) Algae on rocks near a river. D) The rapid growth of bacteria. Show Answer Correct Answer: B) The rapid growth of a population of algal. 2. How might a flood affect the population of an area? A) Reduce population. B) Increase population. C) Increase available resources. D) Reduce the need for resources. Show Answer Correct Answer: A) Reduce population. 3. It is a mechanical way of lifting water from open wells with the help of animals like buffaloes or camels. A) Persian wheel. B) Tube wells. C) Dams. D) Canals. Show Answer Correct Answer: A) Persian wheel. 4. Which of the following is the most destructive and most difficult to reclaim? A) Strip mining. B) Open pit mining. C) Mountaintop mining. D) Subsurface mining. Show Answer Correct Answer: C) Mountaintop mining. 5. Which part of Earth absorbs the MOST sunlight A) Oceans. B) Soil. C) Atmosphere. D) Rivers and lakes. Show Answer Correct Answer: A) Oceans. 6. What is not a stage of the water cycle? A) Compaction. B) Evaporation. C) Percolation. D) Transpiration. Show Answer Correct Answer: A) Compaction. 7. One disadvantage of desalination is that ..... A) The process kills fish. B) The process uses fuel that is expensive. C) The process makes water that is unsafe to drink. D) The process is too difficult to carry out in big cities. Show Answer Correct Answer: B) The process uses fuel that is expensive. 8. Artesian aquifers ..... A) Have problems with subsidence. B) Often are contaminated with salt water. C) Contain water under pressure. D) Have hard water. Show Answer Correct Answer: C) Contain water under pressure. 9. The geological layer, consisting of underground caverns and porous layers of sand, gravel, or bedrock, where groundwater flows, is called A) Zone of saturation. B) Aquifer. C) Surface water. D) None of above. Show Answer Correct Answer: B) Aquifer. 10. Which hold water until it is needed? A) Dams. B) Reservoirs. C) Aqueducts. D) Valleys. Show Answer Correct Answer: B) Reservoirs. 11. Water stored below the Earth's surface is called: A) Groundwater. B) Bogs. C) Water in the ground. D) None of above. Show Answer Correct Answer: A) Groundwater. 12. What type of irrigation is most efficient? A) Flood irrigation. B) Drip irrigation. C) Spray irrigation. D) Furrow irrigation. Show Answer Correct Answer: B) Drip irrigation. 13. The remote village that has earned the rare distinction of being rich in rainwater? A) Gari. B) Kaza. C) Gendathur. D) None of these. Show Answer Correct Answer: C) Gendathur. 14. The stage of sewage treatment that uses aeration tanks to remove organic wastes A) Primary. B) Secondary. C) Tertiary. D) Disinfection. Show Answer Correct Answer: B) Secondary. 15. Which of the following should you not use grey water for? A) Irrigation. B) Gardening. C) Flushing the toilet. D) Cooking. Show Answer Correct Answer: D) Cooking. 16. ..... are small channels through which water from the rivers or dams is diverted to the fields. A) Rivers. B) Wells. C) Dams. D) Canals. Show Answer Correct Answer: D) Canals. 17. What causes an urban heat island? A) Large forested areas. B) Pavement and concrete. C) Climate change. D) Mass transit. Show Answer Correct Answer: B) Pavement and concrete. 18. Trees in these ..... shed their leaves in a particular season in order to conserve loss of moisture through transpiration: (select the incorrect one) A) Evergreen Forests. B) Tundra. C) Deforestation. D) Deciduous forest. Show Answer Correct Answer: D) Deciduous forest. 19. Experts suggest that world wide ....., of the water people use is wasted through evaporation, leaks, and other losses. A) 99%. B) 50%. C) 66%. D) 25%. Show Answer Correct Answer: C) 66%. 20. Icebergs in Greenland are examples of ..... water. A) Surface Water. B) Ground water. C) Frozen Water. D) Atmosphere. Show Answer Correct Answer: C) Frozen Water. ← PreviousNext →Related QuizzesWater Resources Quiz 1Water Resources Quiz 2Water Resources Quiz 3Water Resources Quiz 4Water Resources Quiz 5Water Resources Quiz 6Water Resources Quiz 8Water Resources Quiz 9Water Resources Quiz 10Water Resources Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books