This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 541 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 541 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What decision was eventually made regarding Hetch Hetchy? A) No dam was constructed. B) A dam was constructed somewhere else, but not a National Park. C) The Hetch Hetchy dam was built. D) The Hetch Hetchy dam was built and later moved. Show Answer Correct Answer: C) The Hetch Hetchy dam was built. 2. Which type of engineer is vital during the design process and often works with architects to make sure that their design visions can become a reality? This engineer can help design structures such as buildings and roads or roller coasters and bridges (for example) A) Civil Engineer. B) Mechanical Engineer. C) Petroleum Engineer. D) Construction Engineer. Show Answer Correct Answer: A) Civil Engineer. 3. This atmospheric compound is critical to the planet in its protection against UV radiation, but when found close to the ground is part of photochemical smog that can cause serious health problems. A) Particulate matter. B) Carbon monoxide. C) Stratospheric ozone. D) Tropospheric ozone. Show Answer Correct Answer: D) Tropospheric ozone. 4. What is an item that cannot be recycled? A) Salt. B) Glass. C) Metal. D) Paper. Show Answer Correct Answer: A) Salt. 5. A molecule made up of three oxygen atoms A) Mantle. B) Fault. C) Ozone. D) Salinity. Show Answer Correct Answer: C) Ozone. 6. The mantle is ..... A) The thinnest and most external part of the Earth. B) The layer between the core and the crust. C) The most internal and hottest part of the Earth. D) None of above. Show Answer Correct Answer: B) The layer between the core and the crust. 7. A student hypothesized that the amount of sunlight a palm tree receives determines the number of coconuts the tree produces. In their experiment, the number of coconuts produced is the ..... A) Controlled Variable. B) Independent Variable. C) Dependent Variable. D) Sample Variable. Show Answer Correct Answer: C) Dependent Variable. 8. Why is soil an important natural resource? A) Soil is used to make buildings. B) Soil can grow crops. C) Soil comes from bedrock. D) Soil is full of mircobes. Show Answer Correct Answer: B) Soil can grow crops. 9. Who is the largest purchaser of ground beef in the United States? A) Mc Donalds. B) Arby's. C) Giant. D) Acme. E) Walmart. Show Answer Correct Answer: A) Mc Donalds. 10. ..... is observed as 'World Meteorological Day'. A) 23rd June. B) 24th March. C) 5th June. D) 23rd March. Show Answer Correct Answer: D) 23rd March. 11. This layer of Earth's atmosphere contains nearly 90% of all of the atmospheric gasses. A) Troposphere. B) Mesosphere. C) Ozone. D) Stratosphere. Show Answer Correct Answer: A) Troposphere. 12. Which percentage represents the amount of Earth's water that is found in oceans? A) 3%. B) 71%. C) 97%. D) 1%. Show Answer Correct Answer: C) 97%. 13. One rotation of Earth is equal to A) A day. B) A year. C) A month. D) None of above. Show Answer Correct Answer: A) A day. 14. Varying sizes and shapes of beaks on different Galapagos Islands occurred in finches over generations due to ..... A) Artificial selection. B) Evolution. C) Resistance. D) None of above. Show Answer Correct Answer: B) Evolution. 15. What is ozone made up of? A) CFCs. B) 3 molecules of oxygen. C) Hydrogen and Oxygen. D) Pollutants. Show Answer Correct Answer: B) 3 molecules of oxygen. 16. To get an accurate result, a sample size must be A) Small enough to give an accurate estimate for two or more populations. B) Large enough to give an accurate estimate for a whole population. C) Equal to the mean. D) Greater than the mean. Show Answer Correct Answer: B) Large enough to give an accurate estimate for a whole population. 17. Law to clean up old brownfields A) CAFE. B) CITES. C) MSW. D) CERCLA. Show Answer Correct Answer: D) CERCLA. 18. The smallest level of ecological organization consists of ONE living thing called an ..... A) Population. B) Organism. C) Community. D) Ecosystem. Show Answer Correct Answer: B) Organism. 19. Which organisms make energy available to all other organisms in a food chain? A) Consumers. B) Decomposers. C) Producers. D) None of above. Show Answer Correct Answer: C) Producers. 20. Which organisms are considered pioneer species? A) Algae and Protist. B) Mosses and Lichen. C) Ferns and bushes. D) Soil. Show Answer Correct Answer: B) Mosses and Lichen. ← PreviousNext →Related QuizzesScience QuizzesEnvironmental Sciences Quiz 1Environmental Sciences Quiz 2Environmental Sciences Quiz 3Environmental Sciences Quiz 4Environmental Sciences Quiz 5Environmental Sciences Quiz 6Environmental Sciences Quiz 7Environmental Sciences Quiz 8Environmental Sciences Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books