This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 153 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 153 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The layer of gas surrounding planet Earth, containing gases such as nitrogen and oxygen A) Hydrosphere. B) Biosphere. C) Atmosphere. D) Geosphere. Show Answer Correct Answer: C) Atmosphere. 2. Which biome contains many low growing plants that stay close to the ground for warmth? A) Tundra. B) Savanna. C) Deciduous forest. D) Tropical rain forest. Show Answer Correct Answer: A) Tundra. 3. Which of the following best describes weathering and erosion? A) When it rains on rocks. B) Decay of dead organisms. C) Break down of rocks that wash into the water. D) When a volcano erupts. Show Answer Correct Answer: C) Break down of rocks that wash into the water. 4. The unit of noise level is A) DB. B) Watt/m2. C) Hz. D) Newton/m2. Show Answer Correct Answer: A) DB. 5. Our atmosphere is ..... % nitrogen gas A) 87. B) 75. C) 57. D) 78. Show Answer Correct Answer: D) 78. 6. Which is NOT an example of biomass? A) Wood. B) Crop leftovers (the part of the plant that isn't consumed). C) Manure and/or trash. D) Petroleum. Show Answer Correct Answer: D) Petroleum. 7. Organisms that feed on waste or dead bodies of organism. A) Producer. B) Consumers. C) Decomposers. D) Tetrabores. Show Answer Correct Answer: D) Tetrabores. 8. Match The Definition:An area of land where all water that drains off goes into a river, river system, or other body of water. A) Watershed. B) Pollution prevention. C) Hybrid vehicle. D) Nonpoint source. E) Ozone. Show Answer Correct Answer: A) Watershed. 9. The decision-making model A) Provides a systematic process. B) Is a conceptual model. C) Helps you make decisions. D) All options are correct. Show Answer Correct Answer: D) All options are correct. 10. Which of the following is an example of salty water? A) Lakes. B) Ponds. C) Oceans. D) Rivers. Show Answer Correct Answer: C) Oceans. 11. The reverse of photosynthesis-Sugars are used for metabolism and change "fuel" back into CO2. A) Diffusion. B) Weathering. C) Decomposition. D) Respiration. Show Answer Correct Answer: D) Respiration. 12. A mineral that helps move oxygen through the bloodstream A) Selenium. B) Gold. C) Iron. D) Platinum. Show Answer Correct Answer: C) Iron. 13. A ..... is a combination of two or more atoms of the same type are called A) Molecules. B) Compounds. C) Molecules and compounds. D) Elements. Show Answer Correct Answer: A) Molecules. 14. The following methods are adopted for discarding wastes: A) Landfill. B) Incineration. C) Composting. D) All the above. Show Answer Correct Answer: D) All the above. 15. Which is an immediate factor for the current food crisis? A) Decrease in human population. B) High grain reserves. C) Drought in areas with a high crop yield. D) Increase in grain production. Show Answer Correct Answer: C) Drought in areas with a high crop yield. 16. The number of females and males of each age contained in a population ..... A) Limiting factor. B) Demography. C) Age structure. D) Logistic growth. Show Answer Correct Answer: C) Age structure. 17. Most air pollution is produced by A) Thermal inversions. B) Fuel burning. C) Ozone layer depletion. D) Volcanic eruptions. Show Answer Correct Answer: B) Fuel burning. 18. Single-celled organisms with cell walls but no nuclei are A) Bacteria. B) Fungi. C) Protists. D) All of the above. Show Answer Correct Answer: A) Bacteria. 19. In order for humans to exist indefinitely the world must be A) Sustainable. B) Affluent. C) Prosperous. D) None of above. Show Answer Correct Answer: A) Sustainable. 20. The plants, wolves, bears, otters, bison, and foxes in Yellowstone National Park are a ..... A) Habitat. B) Population. C) Community. D) Species. Show Answer Correct Answer: C) Community. ← 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