This quiz works best with JavaScript enabled. Home > Environment > Environmental Science – Quiz 62 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Science Quiz 62 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the primary source of energy in a ecosystem? A) Cellular respiration in plants. B) Energy from minerals in the soil. C) Fossil fuels. D) Solar energy. Show Answer Correct Answer: D) Solar energy. 2. During a temperature inversion A) Sulfur oxides and nitrogen oxides combine with water in the atmosphere. B) An influx of acidic water causes a rapid change in the pH of water. C) Levels of ground level ozone decrease. D) Pollutants are trapped near Earth's surface. Show Answer Correct Answer: D) Pollutants are trapped near Earth's surface. 3. 3O2 + UV = A) 3O3. B) 2O3. C) 1O3. D) 2O2. Show Answer Correct Answer: B) 2O3. 4. Energy within the nucleus of an atom A) Nuclear energy. B) Fossil Fuel. C) Steam. D) Nuclear reactor. Show Answer Correct Answer: A) Nuclear energy. 5. The uppermost layer of an aquatic ecosystem, where there is enough sunlight for photosynthesis to occur, is called the ..... zone. A) Limnetic. B) Aphotic. C) Photic. D) Benthic. Show Answer Correct Answer: C) Photic. 6. What element makes up the ozone layer/ A) 3 oxygen molecules. B) 3 carbon molecules. C) 3 hydrogen molecules. D) 3 nitrogen molecules. Show Answer Correct Answer: A) 3 oxygen molecules. 7. The volcanoes along convergent oceanic-oceanic plate boundaries may form A) A hot spot. B) A part of the mid-ocean ridge. C) An island arc. D) A subduction plate. Show Answer Correct Answer: C) An island arc. 8. What is one way you and your family can help to conserve water at home? A) Watering the garden at the hottest time of the day. B) Using the longest cycle to wash clothes. C) Turning off the faucet while brushing your teeth. D) None of above. Show Answer Correct Answer: C) Turning off the faucet while brushing your teeth. 9. Why do shorter trees and plants that make up the understory in tropical rain forests have large, flat leaves? A) To shade themselves from excessive sunlight. B) To create habitat for forest insects. C) To offer protection from the rain. D) To allow maximum surface for light absorption. Show Answer Correct Answer: D) To allow maximum surface for light absorption. 10. Which of the following is NOT classified as one of the 3 major threats to the environment? A) Pollution. B) Loss of Biodiversity. C) Resource Depletion. D) Habitat Reconstruction. Show Answer Correct Answer: D) Habitat Reconstruction. 11. Pollution that is ..... will break down over time. A good example would be ..... A) Biodegradable / A styrofoam box. B) Biodegradable / Grass clippings. C) Persistant / An aluminum can. D) Persistant / Lead. Show Answer Correct Answer: B) Biodegradable / Grass clippings. 12. A scientist must remain objective so that ..... or personal belief does not affect their experimental results. A) Bias. B) Ethics. C) Data. D) Control group. Show Answer Correct Answer: A) Bias. 13. An idea must effectively explain a phenomenon, make accurate predictions in a wide range of situations, and have undergone extensive, rigorous testing, to be accepted as a scientific A) Hypothesis. B) Theory. C) Ethic. D) Prediction. Show Answer Correct Answer: B) Theory. 14. Corn can be a source of A) Ethanol. B) Ground source heat. C) Hydropower. D) Photovoltaic power. Show Answer Correct Answer: A) Ethanol. 15. An independent variable is A) The one that the scientist changes. B) The one that is measured. C) The one that is not measured. D) The one that is not included in the experiment. Show Answer Correct Answer: A) The one that the scientist changes. 16. Open pits called ..... are used to mine stone and gravel. A) Overburdens. B) Cyanide heaps. C) Quarries. D) Solar evaporation ponds. Show Answer Correct Answer: C) Quarries. 17. Most of the food in aquatic ecosystems is produced by ..... A) Phytoplankton. B) Zooplankton. C) Algae. D) Animals. Show Answer Correct Answer: A) Phytoplankton. 18. Animals are becoming extinct at ..... A) The same rate as the past. B) Slower than the past. C) No way to tell the rate. D) Faster than the past. Show Answer Correct Answer: D) Faster than the past. 19. What type of symbiosis?* Remora use suckers to attach temporarily to large marine animals such as sharks, manta rays, whales, turtles, or large fish.* The shark provides free transportation, protection, and dropped food and feces which the remora feeds on. The host is not injured. A) Commensalism. B) Mutualism. C) Parasitism. D) Predation. Show Answer Correct Answer: A) Commensalism. 20. Which of the following is NOT a world biome? A) Desert. B) Forest. C) Grassland. D) Swamp. Show Answer Correct Answer: D) Swamp. ← PreviousNext →Related QuizzesEnvironmental Science Quiz 1Environmental Science Quiz 2Environmental Science Quiz 3Environmental Science Quiz 4Environmental Science Quiz 5Environmental Science Quiz 6Environmental Science Quiz 7Environmental Science Quiz 8Environmental Science Quiz 9Environmental Science Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books