This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 643 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 643 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The ..... zone is the ocean floor. A) Intertidal. B) Neritic. C) Oceanic. D) Benthic. Show Answer Correct Answer: D) Benthic. 2. Proven oil reserves are deposits that ..... A) Are known to contain crude oil. B) Are able to be accessed with low net energy. C) Can be extracted using current technologies at a profit. D) Are fixed in number. E) Can only be accessed through fracking. Show Answer Correct Answer: C) Can be extracted using current technologies at a profit. 3. What the non-living factor that is the most important to an ecosystem to work? A) Water. B) The sun's energy. C) Plants. D) Animals. Show Answer Correct Answer: B) The sun's energy. 4. Positive feedback destabilizes a system and drives it toward a(n) ..... A) Extreme. B) Low. C) Calm. D) None of above. Show Answer Correct Answer: A) Extreme. 5. What is the process of making sense of the results of an experiment? A) Publication. B) Analysis. C) Communication. D) None of above. Show Answer Correct Answer: B) Analysis. 6. This protected non-venomous snake helps control the rodent population. They also emit a musky odor when near rattlesnakes. They should never be killed. A) Gopher Snake. B) Rat Snake. C) Coral Snake. D) Eastern King Snake. Show Answer Correct Answer: D) Eastern King Snake. 7. The depletion of the ozone layer is a global or a local problem? A) Global. B) Local. Show Answer Correct Answer: A) Global. 8. In the years before Dust Bowl, farmers ..... A) Grew large, successful harvests. B) Did not use plows. C) Used the land carefully. D) Knew how to control the wind. Show Answer Correct Answer: A) Grew large, successful harvests. 9. Which of the following is growing faster in developing countries? A) Incomes. B) Population. C) Economies. D) Social support. Show Answer Correct Answer: B) Population. 10. What year was The U.S. Forest Service is created. A) 1885. B) 1905. C) 1820. D) 1960. Show Answer Correct Answer: B) 1905. 11. What effect will an algal bloom have on the oxygen content of the water? A) Does not affect the oxygen content. B) Rapid increase in oxygen. C) Decrease in oxygen. D) Oxygen content will vary. Show Answer Correct Answer: C) Decrease in oxygen. 12. The ..... variable is subject to the independent variable. A) Dependent. B) Control. C) Experiment. D) Independent. Show Answer Correct Answer: A) Dependent. 13. Choose the correct sequence of energy flow within an ecosystem. A) Herbivores $\rightarrow$ producers $\rightarrow$carnivores $\rightarrow$scavengers. B) Producers $\rightarrow$ herbivores$\rightarrow$ carnivores $\rightarrow$ scavengers. C) Producers $\rightarrow$ carnivores$\rightarrow$herbivores$\rightarrow$carnivores. D) Scavengers$\rightarrow$producers$\rightarrow$herbivores$\rightarrow$carnivores. Show Answer Correct Answer: B) Producers $\rightarrow$ herbivores$\rightarrow$ carnivores $\rightarrow$ scavengers. 14. The movement of the tectonic plates is caused by A) The rotation of the Earth. B) Convection currents in the Asthenosphere. C) The gravity of the iron-nickel core. D) The Moho discontinuity. Show Answer Correct Answer: B) Convection currents in the Asthenosphere. 15. Which aquatic layer is known to be "pitch black" ? A) Littoral Zone. B) Benthic Zone. C) Euphotic Zone. D) Limnetic Zone. Show Answer Correct Answer: B) Benthic Zone. 16. What is it called when scientists publish what they have learned from their experiments? A) Peer review. B) Data dumping. C) Information dissemination. D) Publish or perish. Show Answer Correct Answer: A) Peer review. 17. Which of the following is the best title for the passage? A) Global warming. B) Carbon monoxide in the atmosphere. C) The warming of the atmosphere. D) Ozone damage. Show Answer Correct Answer: B) Carbon monoxide in the atmosphere. 18. This consumer breaks down dead/decaying organisms and returns the nutrients back into the environment A) Carnivore. B) Decomposer. C) Scavenger. D) Herbivore. Show Answer Correct Answer: B) Decomposer. 19. An example of homeostasis includes maintaining: A) Oxygen level (breathing). B) Body temperature. C) Heart rate. D) All of these. Show Answer Correct Answer: D) All of these. 20. This type of pollution inhibits people from seeing the stars and planets. A) Light Pollution. B) Water Pollutilon. C) Air Pollution. D) None of above. Show Answer Correct Answer: A) Light Pollution. ← 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