This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences โ Quiz 673 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Environmental Sciences Quiz 673 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Soil regulates the flow of water and nutrients in the ecosystem. Which kind of soil is best for this function? A) High bulk density (soil is too compact). B) Has few organic matter. C) Loose, porous and has stable structure. D) Has higher field capacity. Show Answer Correct Answer: C) Loose, porous and has stable structure. 2. The National Ambient Air Quality standard for average annual concentration of NOx in residential area is A) 20 ยตg/m3. B) 60 ยตg/m3. C) 80 ยตg/m3. D) 100 ยตg/m3. Show Answer Correct Answer: B) 60 ยตg/m3. 3. Observation or inference? The water's temperature is 37 degrees Celsius A) Observation. B) Inference. Show Answer Correct Answer: A) Observation. 4. The fact that ice floats on liquid water is due to the fact that water's solid is ..... than it's liquid formanswer choices A) Less polar. B) More polar. C) Less dense. D) More dense. Show Answer Correct Answer: C) Less dense. 5. Plastic made with sugar A) Photodegradable plastic. B) All kinds of plastic. C) Green plastic. D) No kind fo plastic. Show Answer Correct Answer: C) Green plastic. 6. Give an example of "loss of biodiversity" A) Overfishing. B) Toxic run-off. C) Mining. D) None of above. Show Answer Correct Answer: A) Overfishing. 7. What are animals that feed on other animals called? A) Herbivores. B) Carnivores. C) Omnivores. D) Tetrabores. Show Answer Correct Answer: B) Carnivores. 8. Which of the following will lead to a more sustainable world culture? A) Increasing green energy production for everyone. B) Reducing overall consumption and halting population growth. C) Increasing consumer growth for all developing nations. D) Creating industrial systems that are linear in design and operation. Show Answer Correct Answer: B) Reducing overall consumption and halting population growth. 9. ".....is a collection of states of meteorological elements occurring in the atmosphere at a certain time and area such as sunshine or rain, hot or cold, humid or dry." Select answer correct answer and fill in the missing content in the concept below? A) Climate system. B) Climate. C) Weather. D) Weather system. Show Answer Correct Answer: C) Weather. 10. Clear-cutting is a timber harvesting method in which A) Trees that provide shelter to seedlings are left uncut. B) Only some mature trees in an area are cut. C) Only immature tree in an area are cut. D) All of the trees in an area are cut. Show Answer Correct Answer: D) All of the trees in an area are cut. 11. What Benthic organism does NOT belong A) Yeti Crabs. B) Giant Tube worms. C) Black Corals. D) Hermit crabs. Show Answer Correct Answer: D) Hermit crabs. 12. Which of the following is not a provision of the Endangered Species Act? A) No products from endangered or threatened species may be sold. B) Protected plants may be uprooted. C) Government projects may not further endanger endangered species. D) A species recovery plan must be created. Show Answer Correct Answer: B) Protected plants may be uprooted. 13. Which example displays a type of point source pollution? A) Rainwater carrying toxic chemicals and debris to a river. B) Melted snow mixed with debris flowing into a city. C) Untreated water from a factory flowing into a lake. D) Smoke released by trucks. E) Rainwater mixing with garbage on the sidewalks of a street. Show Answer Correct Answer: C) Untreated water from a factory flowing into a lake. 14. Includes all the living and nonliving things with which organism interact. A) Sustainable. B) Environment. C) Ecological Footprint. D) Fossil Fuel. Show Answer Correct Answer: B) Environment. 15. Substances, such as smoke and carbon monoxide, released into the air are called A) Fossil fuels. B) Scrubbers. C) Air masses. D) Emissions. Show Answer Correct Answer: D) Emissions. 16. Which sphere has the largest carbon reservoir (storage)? A) Hydrosphere. B) Biosphere. C) Lithosphere. D) Atmosphere. Show Answer Correct Answer: C) Lithosphere. 17. A forest reserve is an area A) Is a protected area of forest of importance for wildlife, flora, fauna or features of geological or other special interest. B) Is a protected area of forest of importance forest trees only. C) Is a unprotected area of forest of importance for wildlife, flora, fauna or features of geological or other special interest. D) None of above. Show Answer Correct Answer: A) Is a protected area of forest of importance for wildlife, flora, fauna or features of geological or other special interest. 18. The top of the water surface in a saturated part of an aquifer A) Water table. B) Water cycle. C) Aquifer. D) Percolation. Show Answer Correct Answer: A) Water table. 19. If particle size decreases permeability A) Decreases. B) Increases. C) Stays the same. D) It could increase or decrease. Show Answer Correct Answer: A) Decreases. 20. Your science teacher believes that food you eat will affect your test average. They believe if you:-eat food from McDonald's your grades will go up by 5 points-eat at Pizza Root your grades will stay the same-eat at Subway your grades will go down 10 points What is the independent variable? A) Food you eat. B) Grades. Show Answer Correct Answer: A) Food you eat. โ PreviousNext โRelated 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 ๐ Back to Homepage ๐ Download PDF Books ๐ Premium PDF Books