This quiz works best with JavaScript enabled. Home > Environment > General > Environmental Science – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Science Quiz 31 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In estuaries, fresh water and salt water mix, forming a(n) ..... trap! A) Salt. B) Calcium. C) Nutrient. D) Water. Show Answer Correct Answer: C) Nutrient. 2. Soil with a relatively even mixture of the three particle sizes. A) Sand. B) Loam. C) Silt. D) Clay. Show Answer Correct Answer: B) Loam. 3. Gas that makes up highest percentage of Earth's current atmosphere A) Carbon dioxide. B) Oxygen. C) Nitrogen. D) Hydrogen. Show Answer Correct Answer: C) Nitrogen. 4. What is an Environmental Impact Statement (EIS)? A) A document that clears government red tape so projects important to the national economy can begin. B) A document focused on the economic growth potential of a proposed construction project. C) A document required for any actions that may significantly impact the environment. D) None of above. Show Answer Correct Answer: C) A document required for any actions that may significantly impact the environment. 5. Group that is tested on during an experiment. A) Control group. B) Experimental group. C) Independent variable. D) Dependent variable. Show Answer Correct Answer: B) Experimental group. 6. Antarctic Circumpolar Current is unique because A) If flows from the north to the south onle. B) It moves around the entire world. C) It is extremely warm for its location. D) It does not move at all. Show Answer Correct Answer: B) It moves around the entire world. 7. Which of the following are problems associated with landfills? A) Composting of organic materials at the site. B) Production of leachate and methane. C) Surface impoundment. D) All of the above. Show Answer Correct Answer: B) Production of leachate and methane. 8. Leaky underground storage tanks are a major source of what type of pollution? A) Groundwater. B) Non-point source. C) Biological. D) Sediment. Show Answer Correct Answer: A) Groundwater. 9. In the U.S, which agency takes the lead for responding to emerging diseases? A) Centers for Disease Control and Prevention (CDC). B) Environmental Protection Agency (EPA). C) World Health Organization (WHO). D) Federal Emergency Management Agency (FEMA). Show Answer Correct Answer: A) Centers for Disease Control and Prevention (CDC). 10. The law of ..... of energy states that energy cannot be created or destroyed, only transformed or changed. A) Renewal. B) Refreshing. C) Battery storage. D) Conservation. Show Answer Correct Answer: D) Conservation. 11. Compared to central Canada, currents make winter in England A) Colder. B) Warmer. C) Snowier. D) Longer. Show Answer Correct Answer: B) Warmer. 12. This gas makes up 21% of the atmosphere A) Ozone. B) Oxygen. C) Nitrogen. D) Water vapor. Show Answer Correct Answer: B) Oxygen. 13. Majority of Earth's freshwater is in A) Lakes. B) Plants. C) Atmosphere. D) Icecaps and glaciers. Show Answer Correct Answer: D) Icecaps and glaciers. 14. The Clean Water Act was established in the following year. A) 1977. B) 1978. C) 1979. D) 1980. Show Answer Correct Answer: A) 1977. 15. The variable a scientist manipulates in an experiment is called the A) Controlled variable. B) Observation variable. C) Dependent variable. D) Independent variable. Show Answer Correct Answer: D) Independent variable. 16. Contains largest percentage of Earth's water A) Atmosphere. B) Ice and snow. C) Oceans. D) Vegetation. Show Answer Correct Answer: C) Oceans. 17. Point-source pollution and non-point source pollution differ in A) The kind of biological agents causing the pollution. B) Whether the source of pollution is agricultural or industrial. C) The number of sources from which the pollution is discharged. D) None of above. Show Answer Correct Answer: C) The number of sources from which the pollution is discharged. 18. The basic support systems needed to keep an economy going, including power, communications, transportation, sanitation, and education form a country's A) Urbanization. B) Infrastructure. C) Industrialization. D) Urban geography. Show Answer Correct Answer: B) Infrastructure. 19. The purpose of ..... is to answer question s about the natural world. A) A hypothesis. B) Science. C) History. D) A procedure. Show Answer Correct Answer: B) Science. 20. Under water, photosynthesis by aquatic plants and phytoplankton is mostly limited by the amount of ..... available. A) Phosphorus. B) Carbon. C) Oxygen. D) Sunlight. Show Answer Correct Answer: D) Sunlight. ← PreviousNext →Related QuizzesEnvironment 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books