This quiz works best with JavaScript enabled. Home > Environment > Environmental Science – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Science Quiz 9 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which 21st century influence has the GREATEST impact on the health status of children? A) Television and video games. B) Availability of prenatal care. C) SIDS Back-to-Sleep campaign. D) Number of single-parent households. Show Answer Correct Answer: A) Television and video games. 2. ..... are specific statements about what we would expect to observe if the hypothesis is true. A) Prediction. B) Variable. C) Observation. D) Data. Show Answer Correct Answer: A) Prediction. 3. Ground level ozone (also known as tropospheric ozone) is ..... A) A significant source of air pollution and contributes to the formation of smog. B) Also found in the exosphere. C) Found only in rural areas. D) A significant source of air pollution and contributes to the increase in the hole in the ozone layer. Show Answer Correct Answer: A) A significant source of air pollution and contributes to the formation of smog. 4. Which one of these does not belong A) Electrostatic precipitator. B) Mop. C) Scrubber. D) Air Filter. Show Answer Correct Answer: B) Mop. 5. Petroleum and natural gas form from..... A) Strong winds. B) Cooled magma. C) Radioactive materials. D) Remains of plants and animals. Show Answer Correct Answer: D) Remains of plants and animals. 6. Grass is considered a ..... A) Consumer. B) Producer. C) Decomposer. D) Composers. Show Answer Correct Answer: B) Producer. 7. According to the U.S. Army Corps of Engineers how many dams are in the U.S. A) 75, 000. B) 6, 500. C) 15, 000. D) 80, 000. Show Answer Correct Answer: D) 80, 000. 8. How might the destruction of the ozone layer be harmful to humans? Ozone, O3, is a molecule of oxygen that makes up the ozone layer. The ozone layer is the part of Earth's atmosphere that prevents most of the Sun's UV (ultraviolet) light from reaching Earth's surface. Certain pollutants, called CFC's (chlorofluorocarbons), have been released into the atmosphere by humans. These pollutants destroy the ozone layer. A) Holes in the ozone layer might let in more UV light, which might increase the occurrence of skin cancer. B) Holes in the ozone layer might prevent ozone molecules from properly filtering out pollutants in the air, which might increase the occurrence of lung cancer. C) Holes in the ozone layer mean there is a decrease in ozone, which is needed for human respiration. D) Holes in the ozone layer might let in more heat from space, causing global temperature to increase. Show Answer Correct Answer: A) Holes in the ozone layer might let in more UV light, which might increase the occurrence of skin cancer. 9. In environmental science, what is a nutrient? A) Organic compounds containing only hydrogen and carbon. B) The chemicals in food that make it taste good. C) An element on the periodic table. D) Matter that organisms need to carry out their life processes. Show Answer Correct Answer: D) Matter that organisms need to carry out their life processes. 10. Which of these problems could happen if we don't look after the resources we have? A) Loss of animal homes. B) Climate change. C) Increase in pollution. D) All of the above. Show Answer Correct Answer: D) All of the above. 11. Persistent Pollution involves A) The contamination of lakes, oceans, rivers, etc. B) Pollutant that decomposes over time. C) Resisting normal environmental degradation. D) None of above. Show Answer Correct Answer: C) Resisting normal environmental degradation. 12. How many types of symbiosis are there? A) 5. B) 7. C) 3. D) If you pick this you're silly1000. Show Answer Correct Answer: C) 3. 13. Solutions to environmental problems require A) Individual action. B) The cooperation of many people. C) A basis in scientific methods and knowledge. D) All of the above. Show Answer Correct Answer: D) All of the above. 14. Where is Easter Island located and who governs it? A) Pacific Ocean/Chile. B) Atlantic Ocean/Chile. C) Indiana/USA. D) Atlantic Ocean/ France. Show Answer Correct Answer: A) Pacific Ocean/Chile. 15. 3 Pollutants are removed or changed chemically before they leave factory smokestacks by a(n) A) Chlorofluorocarbon. B) Scrubber. C) Inversion. D) Catalytic converter. Show Answer Correct Answer: B) Scrubber. 16. Water treatment involves adding pathogens by A) Adding mercury. B) Adding chlorine. C) Removing fluoride. D) Removing chlorine. Show Answer Correct Answer: B) Adding chlorine. 17. A barrier that runs across a river or stream to control the flow of water. A) Reservior. B) River. C) Dam. D) Levee. Show Answer Correct Answer: C) Dam. 18. If a paper mill dumps a lot of paper waste into a nearby river all of the following are likely to happen EXCEPT: A) Increase in BOD. B) Decrease in DO. C) Algae growth. D) Decrease in decomposers. Show Answer Correct Answer: D) Decrease in decomposers. 19. Convection currents inside the Earth occur within which of the following layers? A) The mantle. B) The inner core. C) The lithosphere. D) The magnetic field. Show Answer Correct Answer: A) The mantle. 20. Non living factors in the ecosystem are ..... A) Abiotic. B) Mutualistic. C) Biotic. D) Habitat. Show Answer Correct Answer: A) Abiotic. ← PreviousNext →Related QuizzesEnvironmental Science Quiz 1Environmental Science Quiz 2Environmental Science Quiz 3Environmental Science Quiz 4Environmental Science Quiz 5Environmental Science Quiz 6Environmental Science Quiz 7Environmental Science Quiz 8Environmental Science Quiz 10Environmental Science Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books