This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Water Pollution – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Water Pollution Quiz 7 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Plastic doesn't break down it ..... A) Breaks up. B) Decompose. C) Dissolves. D) None of above. Show Answer Correct Answer: A) Breaks up. 2. Increased use of inorganic (lab-made) fertilizers on crops contributes to: A) Saltwater intrusion on the East Coast. B) Increase in storm severity in southeastern U.S. C) Hypoxia in the Gulf of Mexico. D) Water shortages in California. Show Answer Correct Answer: C) Hypoxia in the Gulf of Mexico. 3. The contamination of water, usually as a result of human activities is which of the following? A) Water Pollution. B) Air Pollution. C) Nonpoint Source Pollution. D) Primary Pollutant. Show Answer Correct Answer: A) Water Pollution. 4. What can cause water pH to change? A) Mining waste. B) Industrial pollution. C) Agricultural runoff. D) All of these options. Show Answer Correct Answer: D) All of these options. 5. Which of these activities can lead to plastic in the ocean? A) Throwing a gum wrapper out of a car window. B) Accidentally leaving toys on the beach. C) Wind blowing plastic out of a full trash bin. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. This law sets maximum contaminant levels on pollutants in ground water A) Oil Pollution Act. B) Safe Drinking Water Act (SDWA). C) Clean Water Act (CWA). D) Coastal Zone Management Act. E) National Environmental Policy Act (NEPA). Show Answer Correct Answer: B) Safe Drinking Water Act (SDWA). 7. What contaminates groundwater? A) Pesticides and chemicals. B) Oxygen. C) Carbon dioxide. D) Algae. Show Answer Correct Answer: A) Pesticides and chemicals. 8. In landfills, ..... must be transported to a wastewater treatment facility while ..... must be extracted to be burned off or used as fuel. A) Leachate, methane. B) Methane, leachate. C) Leachate, heavy metals. D) Asbestos, radon. Show Answer Correct Answer: A) Leachate, methane. 9. What is nonpotable water? A) Drinking water. B) Nondrinking water. C) Water from the central sewers. D) None of above. Show Answer Correct Answer: B) Nondrinking water. 10. Pollution that can be traced to a particular company. A) Permeable. B) Point source pollution. C) Non-point source pollution. D) Water shed. Show Answer Correct Answer: B) Point source pollution. 11. Which of these is the largest source of salt water? A) Rivers. B) Oceans. C) Lakes. D) Streams. Show Answer Correct Answer: B) Oceans. 12. The land that water flows across or under on its way to a stream, river, or lake is called ..... A) Conservation. B) Land form. C) Runoff. D) Watershed. Show Answer Correct Answer: D) Watershed. 13. Which of the following is a waterborne disease? A) Typhoid. B) Cholera. C) Diarrhoea. D) All of the above. Show Answer Correct Answer: D) All of the above. 14. A manure lagoon is being built for a dairy with 700 cows, each of which produces 40 L of manure each day. How large must the lagoon be to hold 30 days worth of manure? A) 560, 000 L. B) 120, 000 L. C) 21, 000 L. D) 840, 000 L. E) 28, 000 L. Show Answer Correct Answer: D) 840, 000 L. 15. Which of the following inorganic substances is naturally occurring in rocks, soluble in groundwater and toxic at low concentrations? A) Copper. B) PCB's. C) Mercury. D) Arsenic. E) Lead. Show Answer Correct Answer: D) Arsenic. 16. ..... is the water that contains waste from home or industry. A) Surface water. B) Wastewater. C) Potable. D) Dam. Show Answer Correct Answer: B) Wastewater. 17. Thermal pollution has a harmful effect on aquatic environments because A) It increases the number of disease-causing organisms in aquatic environments. B) It decreases the nutrient levels in aquatic environments. C) Water has been circulated around power-plant generators. D) It reduces the amount of dissolved oxygen in aquatic environments. Show Answer Correct Answer: D) It reduces the amount of dissolved oxygen in aquatic environments. 18. Pollution that comes from a specific site. If you can point at the pollution. A) Point Source Pollution. B) Non-Point Source Pollution. C) Bio-Indicators. D) Run-Off. Show Answer Correct Answer: A) Point Source Pollution. 19. Chemicals that kill crop-destroying organisms are called ..... A) Acid rain. B) Pesticides. C) Sediments. D) Fertilizers. Show Answer Correct Answer: B) Pesticides. 20. Which of the following is NOT an example of marine debris? A) Plastic. B) Trash. C) Fishing nets. D) Seaweed. Show Answer Correct Answer: D) Seaweed. 21. Who is at fault for causing water pollution? A) The animals under the sea did it. B) It's the sun's fault. C) Us people and our companies. D) Mickey Mouse. E) A powerful rat, named Charles Entertainment Cheese. Show Answer Correct Answer: C) Us people and our companies. 22. What can cause water pH to change and pollutes the water? A) Mining. B) Building roads. C) Agricultural runoff. D) All of these options. Show Answer Correct Answer: D) All of these options. 23. Water Pollution Effects: A) Humans. B) Animals and their ecosystems. C) Food Sources. D) Medical Supplies. E) All of the above. Show Answer Correct Answer: E) All of the above. 24. The addition of harmful chemicals or substances to water is called: A) Water additives. B) Water pollution. C) Water Quality. D) Carbon pollution. Show Answer Correct Answer: B) Water pollution. 25. The Exxon Valdez oil spill A) Lead to new regulations for oil tankers. B) Was larger than the Deepwater Horizon spill. C) Was cleaned up within 2 years of the spill. D) Has not significantly changed the ecosystem 20 years later. E) Primarily affected aquatic organisms. Show Answer Correct Answer: A) Lead to new regulations for oil tankers. 26. The correct order of the waste treatment process is A) Filtration, Settling Tank, Aeration Tank, Second Filtration, Settling Tank. B) Aeration Tank, Filtration, Settling Tank, Second Filtration, Settling Tank. C) Filtration, Settling Tank, Second Filtration, Aeration Tank, Chlorination. D) Chlorination, Filtration, Settling Tank, Second Filtration, Settling Tank. Show Answer Correct Answer: C) Filtration, Settling Tank, Second Filtration, Aeration Tank, Chlorination. 27. Which of the following might count as water pollution? A) Water that doesn't have enough phosphate. B) Water that has too much dissolved oxygen. C) Water that doesn't have enough nitrate. D) Water that is too hot. Show Answer Correct Answer: D) Water that is too hot. 28. Farmers increases their use of pesticides, herbicides, and fertilizers. What type of pollution would this cause? A) Sediment. B) Nutrient. C) Toxic. D) None of above. Show Answer Correct Answer: C) Toxic. 29. What type of water pollution comes from an obvious source? A) Carbon source. B) Nonpoint source. C) Chemical source. D) Point source. Show Answer Correct Answer: D) Point source. 30. Animal waste from dogs and oil from cars are both examples of ..... pollution. A) Non-point source. B) Point source. C) Air. D) None of above. Show Answer Correct Answer: A) Non-point source. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesWater Pollution Quiz 1Water Pollution Quiz 2Water Pollution Quiz 3Water Pollution Quiz 4Water Pollution Quiz 5Water Pollution Quiz 6Water Pollution Quiz 8Water Pollution Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books