This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 3 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The variety of species in an ecosystem is called A) Biogeography. B) Biodiversity. C) Resilience. D) Resistance. Show Answer Correct Answer: B) Biodiversity. 2. Succession can occur in areas that previously did not support life, this type of succession is called A) Pioneer succession. B) Ecological succession. C) Primary succession. D) Secondary succession. Show Answer Correct Answer: C) Primary succession. 3. According to one source, approximately 70% of the world's freshwater is currently used by agricultural industries. What problem is at the root of this stress on the world's freshwater sources? A) Increasing numbers of pathogens in aquatic ecosystems. B) Exponential human population growth. C) Development of genetically modified crops. D) Lack of funding for aquaculture programs. Show Answer Correct Answer: B) Exponential human population growth. 4. The 6 R's stand for: A) Reduce, Reuse, Recycle, Rethink, Repair, React. B) Reduce, Reuse, Recycle, Reconsider, Refuse, Redistribute. C) Reduce, Reuse, Recycle, Rethink, Repair, Refuse. D) None of above. Show Answer Correct Answer: C) Reduce, Reuse, Recycle, Rethink, Repair, Refuse. 5. The environment contains A) Biotic organisms. B) Abiotic things. C) Both biotic and abiotic things. D) None of the above. Show Answer Correct Answer: C) Both biotic and abiotic things. 6. Which is an example of a tragedy of the commons? A) Air conditioning. B) Solar Power. C) Recycling. D) Fishing limits. Show Answer Correct Answer: A) Air conditioning. 7. Sound Science is based on a one-time occurrence A) True. B) False. Show Answer Correct Answer: B) False. 8. What is a pesticide? A) Chemicals derived from natural and organic sources only. B) Any substance used to control pest organisms in any situation. C) Only those chemicals registered for pest control. D) None of above. Show Answer Correct Answer: B) Any substance used to control pest organisms in any situation. 9. Regions of Earth that are defined by their climate and the unique plants & animals that live there A) Biome. B) Ecosystem. C) Environment. D) Niche. Show Answer Correct Answer: A) Biome. 10. Energy from living organisms. A) Fossil fuels. B) Biofuels. C) Geothermal. D) Oil. Show Answer Correct Answer: B) Biofuels. 11. Where do the majority of earthquakes and volcanoes occur on Earth? A) Ring of Fire. B) Hawaii. C) West Coast of United States. D) Japan. Show Answer Correct Answer: A) Ring of Fire. 12. Between nonmetals A) Ionic Bonds. B) Covalent Bonds. C) Both bonds. D) Neither bond. Show Answer Correct Answer: B) Covalent Bonds. 13. What happens to red blood cells when they are placed into pure water? A) They will burst. B) They will shrink. C) They will remain the same size. D) They will expand and then shrink. Show Answer Correct Answer: A) They will burst. 14. Which statement best defines the concept of "ethics" ? A) Ethics is the ability to tell the difference in right and wrong behavior. B) Ethics is trying to judge people by what they believe and do. C) Ethics is a society's standards of conduct based on moral values and principles of its members. D) Characteristics that bring people praise and admiration. Show Answer Correct Answer: A) Ethics is the ability to tell the difference in right and wrong behavior. 15. Biomes A) Contain two ecosystems, hence the name '"biome". B) Are usually described by their vegetation. C) Exist in limited regions of the world. D) All of the above. Show Answer Correct Answer: B) Are usually described by their vegetation. 16. The Sun is the biggest star. A) True. B) False. Show Answer Correct Answer: A) True. 17. A mass extinction is A) A rapid increase in biodiversity. B) Caused by the introduction of exotic species. C) The extinction of many species in a short period of time. D) Beneficial to the environment tagsSEV4. Show Answer Correct Answer: C) The extinction of many species in a short period of time. 18. What does municipal mean? A) Pertaining to a city or town. B) Farmland. C) Industrial area. D) Homelife. Show Answer Correct Answer: A) Pertaining to a city or town. 19. What is the other name for fool's gold? A) Pyrite. B) Calcite. C) Sterlite. D) Lead. Show Answer Correct Answer: A) Pyrite. 20. What is eutrophication? A) The loss of algae due to water containing toxic levels of nitrogen and phosphorus. B) The loss of water life due to an over heating caused by excess water and nitrogen. C) The loss of oxygen in the water due to the decaying algae after an algal bloom, leading the to suffocation of water life. D) The loss of fish and water life due to eating harmful algae after an algal bloom. Show Answer Correct Answer: C) The loss of oxygen in the water due to the decaying algae after an algal bloom, leading the to suffocation of water life. ← PreviousNext →Related QuizzesScience QuizzesEnvironmental Sciences Quiz 1Environmental Sciences Quiz 2Environmental Sciences Quiz 4Environmental Sciences Quiz 5Environmental Sciences Quiz 6Environmental Sciences Quiz 7Environmental Sciences Quiz 8Environmental Sciences Quiz 9Environmental Sciences Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books