This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Water Pollution – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Water Pollution Quiz 2 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is Dissolved Oxygen? A) The amount of heat in the water. B) The clearness or cloudiness of the water. C) The acidity of the water. D) The amount of oxygen in the water. Show Answer Correct Answer: D) The amount of oxygen in the water. 2. Taking care of natural resources like water, or soil ..... A) Infiltration. B) Conservation. C) Point source pollution. D) Erosion. Show Answer Correct Answer: B) Conservation. 3. Soil erosion can be prevented by A) Raising forests. B) Deforestation. C) Overgrazing by animals. D) Excessive use of fertilizers. Show Answer Correct Answer: A) Raising forests. 4. Which of the following is an unsafe material that can be found in drinking water? A) Fish. B) Pathogens. C) Minerals. D) None of these. Show Answer Correct Answer: B) Pathogens. 5. What is the rock layer that stores groundwater called? A) Well. B) Groundwater. C) Watershed. D) Aquifer. Show Answer Correct Answer: D) Aquifer. 6. A construction company has cut down trees and begun excavating soil. What type of pollution would this cause? A) Bacterial. B) Nutrient. C) Sediment. D) Thermal. E) Toxic. Show Answer Correct Answer: C) Sediment. 7. The water and human wastes that are washed down sinks, showers, and toilets are called: A) Sewage. B) Farming wastes. C) Acid rain. D) Chemicals. Show Answer Correct Answer: A) Sewage. 8. Why does chemical waste need to be disposed of carefully? A) It encourages excessive plant growth. B) It depletes the oxygen levels in the water. C) It contains heavy metals which build up in the tissues of living organisms. D) It is not biodegradable. Show Answer Correct Answer: C) It contains heavy metals which build up in the tissues of living organisms. 9. ..... is easily recharged by rainfall but extremely hard to clean. A) Groundwater. B) Water pollution. C) Surface water. D) Wastewater. Show Answer Correct Answer: A) Groundwater. 10. The use of sonar A) Has decreased significantly. B) Has little effect on aquatic ecosystems. C) Can reduce the productivity of some algea. D) Disrupts communication among whales. E) Has a positive effect on some fish species. Show Answer Correct Answer: D) Disrupts communication among whales. 11. What is an effect of soil pollution? A) No clean drinking water. B) Loss of habitat for animals. C) Lung damage. D) None of above. Show Answer Correct Answer: B) Loss of habitat for animals. 12. Results in an increase of water temperature A) Biomagnification. B) Thermal pollution. C) Wastewater. D) Artificial eutrophication. E) Water pollution. Show Answer Correct Answer: B) Thermal pollution. 13. Acid rain is an example of what type of pollution? A) Biological pollution. B) Chemical pollution. C) Eutrophication. D) None of above. Show Answer Correct Answer: B) Chemical pollution. 14. Why is pollution so bad? A) It harms the environment. B) It harms animals. C) All of the above. D) None of above. Show Answer Correct Answer: C) All of the above. 15. What is it called when a persistent pollutant (like mercury or PCBs) builds up in the tissues of an organism. A) Biomagnification. B) Subsidence. C) Bioaccumulation. D) Cultural eutrophication. E) Tragedy of the commons. Show Answer Correct Answer: C) Bioaccumulation. 16. Which of the following is the most common oxygen demanding waste? A) Fertilizer. B) Food Waste. C) Urban Runoff. D) ?. E) Sewage. Show Answer Correct Answer: E) Sewage. 17. What helps protect against leachate getting into groundwater in sanitary landfills? A) Pipes to extract methane gas. B) Plastic or clay liner. C) A layer of gravel between the MSW and soil. D) The soil cap that covers the landfill after it reaches capacity. Show Answer Correct Answer: B) Plastic or clay liner. 18. Which type of pollution can lead to public swimming areas being closed by the health department? A) Sediments. B) Nutrients. C) Bacteria. D) Toxins. Show Answer Correct Answer: C) Bacteria. 19. ..... pollution is when waste, chemicals, or other particles cause a body of water (i.e. rivers, oceans, lakes) to become harmful to the fish and animals that need the water to survive A) Air. B) Earth. C) Water. D) All of the above. Show Answer Correct Answer: C) Water. 20. ..... is monitored because it's an indicator species for wastewater (sewage) pollution. A) Giardia. B) E. Coli. C) Cryptosporidium. D) Cholera. Show Answer Correct Answer: B) E. Coli. 21. Dead zones are a result of ..... A) Hypoxia (lack of oxygen) from eutrophication. B) Too many fish in one area in a body of water. C) Coral bleaching. D) None of the above cause Dead Zones. Show Answer Correct Answer: A) Hypoxia (lack of oxygen) from eutrophication. 22. What is the most common source of pollution in the WORLD? A) Nutrient. B) Bacterial. C) Sediment. D) Toxins. Show Answer Correct Answer: C) Sediment. 23. Which is a category of water pollution? A) Dihydrogen monoxide. B) Sediment. C) Food. D) Medical. Show Answer Correct Answer: B) Sediment. 24. What do untreated (raw) sewage and fertilisers have in common? A) They encourage excessive growth of aquatic plants. B) They are eaten by animals in the water. C) They accumulate in the tissues of aquatic organisms. D) None of above. Show Answer Correct Answer: A) They encourage excessive growth of aquatic plants. 25. The contamination of air due to the presence or introduction of a dangerous substance describes: A) Point Source Pollution. B) Primary Pollutant. C) Air Pollution. D) Water Pollution. Show Answer Correct Answer: C) Air Pollution. 26. What is the worst thing about water pollution? A) Brushing hair. B) No more swimming. C) No more showers. D) Wonder woman. E) No more drinking water. Show Answer Correct Answer: E) No more drinking water. 27. A process by which increasing amounts of toxins are stored in the bodies of organisms as toxins move up the food chain A) Watershed. B) Biomagnification. C) Artificial eutrophication. D) Pathogen. Show Answer Correct Answer: B) Biomagnification. 28. Fecal coliform bacteria A) Is used as an indicator of water quality. B) Is the cause of many waterborne diseases. C) Is another name for Cryptosporidium. D) Usually causes diarrhea. E) Is rarely found in septage. Show Answer Correct Answer: A) Is used as an indicator of water quality. 29. What is one way to stop water pollution. A) Blow or sweep fertilizer back onto the grass if it gets onto paved areas. B) Clean inside your car. C) Leave your door open. D) None of above. Show Answer Correct Answer: A) Blow or sweep fertilizer back onto the grass if it gets onto paved areas. 30. Which of the following can pollute water? A) Fish. B) Seaweed. C) Pesticides. D) Moss. Show Answer Correct Answer: C) Pesticides. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesWater Pollution Quiz 1Water Pollution Quiz 3Water Pollution Quiz 4Water Pollution Quiz 5Water Pollution Quiz 6Water Pollution Quiz 7Water Pollution Quiz 8Water Pollution Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books