This quiz works best with JavaScript enabled. Home > Environment > Environmental Science – Quiz 63 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Science Quiz 63 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Sunlight falls on a semiconductor, causing it to release electrons, in a A) Photovoltaic cell. B) Fuel cell. C) Battery. D) Solar collector. Show Answer Correct Answer: A) Photovoltaic cell. 2. "Tragedy of the Commons" addresses the conflicts associated with what environmental challenge? A) Preventing pollution. B) Preserving biodiversity. C) Curbing overpopulation. D) Protecting shared resources. Show Answer Correct Answer: D) Protecting shared resources. 3. What are some threats to biodiversity? A) Climate change, pollution, and greenhouse gasses. B) There are no threats. C) Fish. D) Just polutions. Show Answer Correct Answer: A) Climate change, pollution, and greenhouse gasses. 4. All of the following can limit a populations growth except ..... A) Lack of food. B) No shelter. C) Drought. D) Plenty of water. Show Answer Correct Answer: D) Plenty of water. 5. The ethical theory that humans are the most important thing on Earth is known as A) Ecocentrism. B) Envirocentrism. C) Humancentrism. D) Anthropocentrism. Show Answer Correct Answer: D) Anthropocentrism. 6. What percentage of Earths water is fresh water? A) 1%. B) 1.5%. C) 3%. D) 2.5%. Show Answer Correct Answer: D) 2.5%. 7. ..... is a formal way for the researcher to get comments and criticism from the scientific community. A) Ethics. B) Peer review. C) Hypothesis. D) Data. Show Answer Correct Answer: B) Peer review. 8. The vertical movement of cold, nutrient-rich water from the ocean depths to its surface is called A) Upwelling. B) Downwelling. C) Tides. D) Surface currents. Show Answer Correct Answer: A) Upwelling. 9. The maximum population of a particular species that an ecosystem can support indefinitely. A) Limiting resource. B) Carrying capacity. C) Population growth. D) Density dependent factor. Show Answer Correct Answer: B) Carrying capacity. 10. What is conservation? A) Use something again and again. B) Protect and use carefully. C) Turn it into something else. D) Use less of and item. Show Answer Correct Answer: B) Protect and use carefully. 11. Buildings, roads, schools and bridges are examples of the A) Natural environment. B) Anthropology. C) Built environment. D) Ecology. Show Answer Correct Answer: C) Built environment. 12. Which topic would an astronomer study? A) Pollution. B) Galaxies. C) Mountains. D) Rain. Show Answer Correct Answer: B) Galaxies. 13. All of the energy in an ecosystem comes from ..... A) Decomposers. B) Plants. C) Bacteria. D) Sun. Show Answer Correct Answer: D) Sun. 14. The Industrial Revolution increased the amount of ..... released into the air. A) Ozone. B) Oxygen. C) Water vapor. D) Carbon dioxide. Show Answer Correct Answer: D) Carbon dioxide. 15. Student has found the following information: * Blades of a turbine that is turned by water* Located near rivers and large lakesWhat alternative energy source does this information describe? A) Solar energy. B) Hydroelectricity. C) Biofules. D) Wind. Show Answer Correct Answer: B) Hydroelectricity. 16. Which of the following is a density independent limiting factor? A) Weather. B) Disease. C) Predation. D) Competition. Show Answer Correct Answer: A) Weather. 17. A scientific hypothesis: A) Is a testable proposition that explains an observed phenomenon or answers a question. B) Is a prediction about something that has not yet been observed but that you want to test in a controlled manner. C) Includes the design of an experiment that can be used in scientific inquiry. D) Always consists of one independent variable to be measured by a scientist. Show Answer Correct Answer: A) Is a testable proposition that explains an observed phenomenon or answers a question. 18. In an effort to improve crop production, a farmer applies excess fertilizer to one of her fields. What kind of pollution is this most likely to lead to when it rains? A) Toxic. B) Sediment. C) Nutrient. D) None of above. Show Answer Correct Answer: C) Nutrient. 19. Which policy requires government agencies to evaluate the impacts of a project on the environment before proceeding with a design? A) Environmental Protection Agency (EPA). B) Clean Water Act. C) Environmental Impact Statement (EIS). D) Clean Air Act. Show Answer Correct Answer: C) Environmental Impact Statement (EIS). 20. The water in salt marshes is saltier than the water in ..... marshes. A) Brackish. B) Freshwater. C) Marine. D) Estuary. Show Answer Correct Answer: A) Brackish. ← 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 9Environmental Science Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books