This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Water Pollution – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Water Pollution Quiz 6 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is a consequence of oxygen depletion during eutrophication? A) Excessive growth of plants on the surface. B) Death of fish. C) Increase in animals that eat surface plants. D) Death of plants under the surface. Show Answer Correct Answer: B) Death of fish. 2. Human wastewater entering into bodies of water can be dangerous becauseI. It causes a drop in the dissolved oxygenII. It can lead to cultural eutrophicationIII. The wastewater can carry pathogens A) I only. B) II only. C) II and III only. D) I, II, and III. E) ?. Show Answer Correct Answer: D) I, II, and III. 3. Lead in water is what kind of water pollution category? A) Nutrient. B) Organic. C) Inorganic. D) Disease-causing organisms. Show Answer Correct Answer: C) Inorganic. 4. Is water pollution bad A) No. B) Yes. C) I have no idea ask me another question. D) Maybe so. Show Answer Correct Answer: B) Yes. 5. Which would increase the amount of runoff you get? A) Playing loud music. B) More plants-the root systems cause runoff. C) Urban Development (cities)-the streets, driveways, etc. D) None of above. Show Answer Correct Answer: C) Urban Development (cities)-the streets, driveways, etc. 6. Which of the following is the correct statement? A) We should not throw trash in the water bodies. B) We should bathe animals in the river. C) The waste from factories have to be dumped in the river. D) We should throw garbage in the water bodies. Show Answer Correct Answer: A) We should not throw trash in the water bodies. 7. Where did the BP oil spill take place? A) In the Indian Ocean. B) Pacific Ocean. C) Off the coast of Alaska. D) Gulf of Mexico. Show Answer Correct Answer: D) Gulf of Mexico. 8. How to know water is polluted? A) It is ouderless. B) It has ouder. C) It is tasteless. D) It is crystal clear. Show Answer Correct Answer: B) It has ouder. 9. What type of water pollution would an oil spill be classified as? A) Toxins. B) Nutrients. C) Bacterial. D) Sediment. Show Answer Correct Answer: A) Toxins. 10. Farmers increase their use of fertilizer. What type of pollution would this cause? A) Biological. B) Nutrient. C) Thermal. D) Sediment. E) Toxic. Show Answer Correct Answer: B) Nutrient. 11. The biochemical oxygen demand (BOD) is defined as: A) The amount of oxygen required for biochemical decomposition processes. B) The amount of oxygen needed by plants growing in a water source. C) The amount of oxygen required by humans who use a water supply. D) The amount of oxygen given off by a specific water source. Show Answer Correct Answer: A) The amount of oxygen required for biochemical decomposition processes. 12. Which of the following metals poses a health risk to human who eat large quantities of marine fish such as swordfish and tuna A) Iron. B) Lead. C) Mercury. D) Copper. Show Answer Correct Answer: C) Mercury. 13. The process of human activities near urban or agriculutre areas that input excess plant nutrients into lakes is known as A) Cultural eutrophication. B) Synthetic primary productivity. C) Artificial fertilization. D) Thermal pollution. E) Lake stratification. Show Answer Correct Answer: A) Cultural eutrophication. 14. What is it called when a persistent pollutant (like mercury or PCBs) builds up in the tissues of an organism as they continue to eat something that contains the pollutant A) Tragedy of the commons. B) Biomagnification. C) Bioaccumulation. D) Subsidence. Show Answer Correct Answer: C) Bioaccumulation. 15. This is responsible for requiring the Environmental Protection Agency to set standards of maximum containment levels for water pollutants that have negative health impacts for humans. A) Federal Wetlands Protection Act 2008. B) Clean Water Act 1972. C) Water Quality Act. D) US Safe Drinking Act 1974. Show Answer Correct Answer: B) Clean Water Act 1972. 16. Which Option Do You Think Could Best Help Clean Up The River. A) Not dumping waste into the river?. B) Everyone pick up the trash in the river?. C) Drain the water and then pick up the waste?. D) Too much waste to pick up?. Show Answer Correct Answer: B) Everyone pick up the trash in the river?. 17. Which water quality issue is not covered in existing legislation? A) Organic chemicals. B) Nonpoint sources. C) Groundwater. D) Water diversions. E) Offshore drilling. Show Answer Correct Answer: B) Nonpoint sources. 18. Which of these is not a human cause of water pollution? A) Silt from storm and floods. B) Silt for construction. C) Sewage, pesticides and fertilizers from farms. D) Trash from people littering. Show Answer Correct Answer: A) Silt from storm and floods. 19. Which of the following is an example of how humans can reduce the rate of natural erosion? A) Plow cropland. B) Clear land of trees to build. C) Plant trees. D) Logging. Show Answer Correct Answer: C) Plant trees. 20. ..... covers 70% of our planet Earth. A) Land. B) Air. C) Sound. D) Water. Show Answer Correct Answer: D) Water. 21. What has Rwanda done to combat the plastic problem? A) Set up a recycling scheme for plastic bags. B) Set up bottle recycling for cash schemes. C) Totally banned plastic bags. D) Banned plastic fishing gear. Show Answer Correct Answer: C) Totally banned plastic bags. 22. What happens when organisms die in the water A) Anaerobic comes in and releases gases that stink up water. B) The water shrinks. C) The water starts to evaporate. D) None of above. Show Answer Correct Answer: A) Anaerobic comes in and releases gases that stink up water. 23. All of the following are effects of water pollution except: A) Clean water. B) Animals and Plants dying. C) Contamination of drinking water. D) Destruction of ecosystems. Show Answer Correct Answer: A) Clean water. 24. Which of the following is an indicator species whose presence in a river or stream indicates excellent water quality? A) Carp. B) Leech. C) Alligator Gar. D) Trout. E) Snails. Show Answer Correct Answer: D) Trout. 25. What is algal bloom? A) Too much of nutrients. B) Water becomes cloudy. C) Plants bloom early down stream. D) Extremely rapid growth of algea. Show Answer Correct Answer: D) Extremely rapid growth of algea. 26. How can nutrients be a pollutant? A) Lack of specific nutrients. B) Not enough nutrients. C) Too many nutrients. D) Imbalance of nutrients. Show Answer Correct Answer: C) Too many nutrients. 27. ..... is the introduction of chemical, physical, or biological agents into water that degrade water quality and negatively affect the organisms that depend on the water. A) Water pollution. B) Watershed. C) Potable. D) Desalination. Show Answer Correct Answer: A) Water pollution. 28. Warm water contains less dissolved oxygen than cold water. Increasing the temperature of water by artificial means is called ..... A) Acidity. B) Salinity. C) Deforestation. D) Thermal pollution. Show Answer Correct Answer: D) Thermal pollution. 29. What happens when water cant hold all substances? A) It becomes polluted. B) The water shrinks. C) It smells. D) It overflows. Show Answer Correct Answer: A) It becomes polluted. 30. Which of the following is NOT a type of toxic pollution? A) Herbicides. B) Soil. C) Solvents. D) Pesticides. Show Answer Correct Answer: B) Soil. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesWater Pollution Quiz 1Water Pollution Quiz 2Water Pollution Quiz 3Water Pollution Quiz 4Water Pollution Quiz 5Water Pollution Quiz 7Water Pollution Quiz 8Water Pollution Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books