This quiz works best with JavaScript enabled. Home > Science > Environmental Sciences – Quiz 311 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 311 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. These animals digest the waste and remains of dead plants and animals A) Scavengers. B) Decomposers. Show Answer Correct Answer: B) Decomposers. 2. What is all of the land area whose water drains into a stream system? A) Runoff. B) Watershed. C) Divide. D) Suspension. Show Answer Correct Answer: B) Watershed. 3. Burning of fossil fuels has changed the atmosphere by increasing the concentration of ozone in the atmosphere. A) Producing a hole in the ozone. B) Increasing the concentration of carbon dioxide. C) Reducing the CFCs in the atmosphere. D) Increasing the concentration of the ozone in the atmosphere. Show Answer Correct Answer: B) Increasing the concentration of carbon dioxide. 4. Why is it important to start using alternative energy sources? A) We need more energy. B) It takes millions of years to make fossil fuels and we may run out. C) There is no reason to use alternative energy. D) None of above. Show Answer Correct Answer: B) It takes millions of years to make fossil fuels and we may run out. 5. Proteins, nucleic acids, carbohydrates, and lipids are all examples of A) Atoms. B) Inorganic compounds. C) Macromolecules. D) Elements. Show Answer Correct Answer: C) Macromolecules. 6. Process which changes nitrogen in the soil to nitrogen in the atmsphere A) Nitrogen fixing bacteria in the soil. B) Denitrifying bacteria. C) Nitrification. D) Absorption. Show Answer Correct Answer: B) Denitrifying bacteria. 7. Why is competition important? A) Competition prevents populations from growing out of control. B) Competition ensures everyone has all the food they want. C) Trick question, competition isn't important. D) Competition encourages everyone to wear their best clothes and buy the biggest houses. Show Answer Correct Answer: A) Competition prevents populations from growing out of control. 8. Philippine Environmental Policy A) PD 1512. B) PD 1219. C) PD 1129. D) PD 1152. Show Answer Correct Answer: D) PD 1152. 9. Which of these describes energy trends today? A) Developed nations are using more energy than developing nations. B) Developed nations are using less energy per person. C) Developing nations are using more energy than developed nations. D) Developing nations are using zero energy per person. Show Answer Correct Answer: A) Developed nations are using more energy than developing nations. 10. A material or energy that is formed slower. Not able to be replaced in a short amount of time. Ex:oil, gas, coal A) Environmental ethics. B) Natural Resources. C) Renewable Resources. D) Non-Renewable Resources. Show Answer Correct Answer: D) Non-Renewable Resources. 11. Which organisms use silicon to create intricate cell walls known as frustules? A) Terrestrial plants. B) Mammals. C) Birds. D) Diatoms. Show Answer Correct Answer: D) Diatoms. 12. Why is a SSSI designated A) Biological importance. B) Geological importance. C) Geographical importance. D) All of the above. Show Answer Correct Answer: D) All of the above. 13. Which of these are MOST likely to be the pioneer organisms on an area of bare rock? A) Saplings. B) Shrubs. C) Lichens. D) Perennial grasses. Show Answer Correct Answer: C) Lichens. 14. Get ready for a challenge! B3.3Can you identify which option correctly describes positive feedback? A) It's like adding fuel to the fire, speeding up a warming trend. B) Acts as a guardian, helping reach a stable environment. C) Like a thermostat, working to maintain homeostasis. D) Plays the role of a stop sign, inhibiting a system. Show Answer Correct Answer: A) It's like adding fuel to the fire, speeding up a warming trend. 15. % of toxins such as mercury that accumulate in the tissues of organisms as we go up the food pyramid. A) 1%. B) 10%. C) 50%. D) 100%. Show Answer Correct Answer: D) 100%. 16. Which gas makes up 78% of our atmosphere but can be used by plants only when transformed by bacteria first A) Hydrogen. B) Carbon dioxide. C) Oxygen. D) Nitrogen. Show Answer Correct Answer: D) Nitrogen. 17. Thermal pollution is the increase ..... caused by human activity and can cause aquatic life to suffer or die. A) Temperature. B) Land. C) Air. D) None of above. Show Answer Correct Answer: A) Temperature. 18. What are some common habitat management practices for waterfowl? A) Pesticide use, urban development, and noise pollution. B) Wetland restoration, vegetation management, and water level manipulation. C) Desert landscaping, deforestation, and soil erosion. D) Building construction, tree cutting, and air pollution. Show Answer Correct Answer: B) Wetland restoration, vegetation management, and water level manipulation. 19. What is characterized by high personal wealth and high levels of consumption? A) Ecology. B) Resource depletion. C) Developing countries. D) Developed countries. Show Answer Correct Answer: D) Developed countries. 20. Which of the following is known as the 'ultimate sink' of all natural and man-made pollutants? A) River. B) Ocean. C) Soil. D) All of the Above tagsEasy. Show Answer Correct Answer: B) Ocean. ← 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