This quiz works best with JavaScript enabled. Home > Science > Environmental Sciences – Quiz 63 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 63 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What percentage of the Earth's Water is salt water? A) 75%. B) 97%. C) 3%. D) 2%. Show Answer Correct Answer: B) 97%. 2. If you conduct an experiment where you place 5 of the same red candies in different types of soda, all in the same amount of liquid and same type cups the indipendent variable is what? A) Kind of soda. B) Type of cup. C) Amount of soda. D) Color of candy. Show Answer Correct Answer: A) Kind of soda. 3. Which organisms have the most available energy in an energy pyramid? A) Producer. B) Consumer. C) Decoposer. D) Scavenger. Show Answer Correct Answer: A) Producer. 4. Complete the following statement by selecting the correct answer:Oil, also known as ....., is a liquid fuel which is dark in colour. A) Methane. B) Coal. C) Natural gas. D) Fossil fuels. E) Crude oil. Show Answer Correct Answer: E) Crude oil. 5. A town is debating over which type of power plant to build.What should the town council do to make the best decision for the community? A) Consider the costs and benefits of each type of plant. B) Look only at the short term benefits of each type of plant. C) Always choose the cheapest. D) Find out which type of plant the mayor prefers. Show Answer Correct Answer: A) Consider the costs and benefits of each type of plant. 6. The type of genetic drift that follows the colonization of a new habitat by a small group of individuals is called A) The Hardy-Weinberg principle. B) The founder effect. C) Directional selection. D) The bottleneck effect. Show Answer Correct Answer: B) The founder effect. 7. The need for more cropland has led to the ..... of large wooded areas. A) Deforestation. B) Conservation. C) Rotation farming. D) Tilling. Show Answer Correct Answer: A) Deforestation. 8. What are the constant variables? A) What we are changing or testing. B) What we are observing or measuring. C) What we keep the same to make the experiment fair. D) None of above. Show Answer Correct Answer: C) What we keep the same to make the experiment fair. 9. "Freshwater ecosystems are some of the largest ecosystems on earth"', A) True. B) False. Show Answer Correct Answer: B) False. 10. Aquaponics is important to the future of food production because it allows a grower to produce a large quantity of food in a small space using minimal resources. A) True. B) False. Show Answer Correct Answer: A) True. 11. The process of fusion happens in a star's A) Corona. B) Convection Zone. C) Radiative Zone. D) Core. Show Answer Correct Answer: D) Core. 12. Which UNESCO World Heritage Site is known for its unique wetland ecosystem and diverse wildlife? A) Okavango Delta. B) Machu Picchu Pell. C) Angkor Wat. D) The Great Smoky Mountains. Show Answer Correct Answer: A) Okavango Delta. 13. The following are advantages of which type of energy? Ideal for mobile combustion engines Quick ignition/ turn-off capability Cleaner-burning than coal A) Petroleum. B) Coal. C) Natural Gas. D) Nuclear Energy. Show Answer Correct Answer: A) Petroleum. 14. Jay has 3 green marbles, 4 red skittles, and 5 twix. What is the species richness? A) 3. B) 12. C) 1.5. D) 0.50. Show Answer Correct Answer: A) 3. 15. A large area of cropland seeded with one crop is a(n) A) Monoculture. B) Polyculture. C) Organic practice. D) Traditional farming technique. Show Answer Correct Answer: A) Monoculture. 16. These are lakes in mountain regions with clear water and few nutrients. A) Estuarine. B) Oligotrophic. C) Eutrophic. D) Marine. Show Answer Correct Answer: B) Oligotrophic. 17. Most of earth's water is A) Salt water. B) Freshwater. Show Answer Correct Answer: A) Salt water. 18. A mineral that breaks cleanly over a smooth plane is considered ..... A) Point. B) Fracture. C) Breakage. D) Cleavage. Show Answer Correct Answer: D) Cleavage. 19. Which of the following is not a part of the peer review process? A) Peers checking for possible inaccurate conclusions. B) Sharing conclusions with peers. C) Peers checking the experimental procedures for flaws. D) Peers analyzing the possible ethical impacts of the conclusions. Show Answer Correct Answer: D) Peers analyzing the possible ethical impacts of the conclusions. 20. Which of the following are 3 types of living things? A) Consumers, decomposers, and dirt. B) Consumers, producers, and decomposers. C) Water, sunlight, soil. D) Sunlight, plants, animals. Show Answer Correct Answer: B) Consumers, producers, and decomposers. ← PreviousNext →Related 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 9Environmental Sciences Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books