This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 25 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. True or False:There is no difference between pastures and rangeland. A) True. B) False. Show Answer Correct Answer: B) False. 2. China and India have a large TOTAL Ecological Footprint like the United States (they are the three highest). The main reason the Ecological Footprint for China and India being that high is: A) Large forested areas. B) Large populations. C) Lots of fishing. D) High standards of living. Show Answer Correct Answer: B) Large populations. 3. The effects of habitat loss on biodiversity are ..... A) Always positive. B) Always negative. C) Positive or negative, it depends on. D) None of above. Show Answer Correct Answer: B) Always negative. 4. Atoms of different types that have been chemically combined are called A) Molecules. B) Solutions. C) Mixtures. D) Compounds. Show Answer Correct Answer: D) Compounds. 5. What kind of natural disaster helps some forest communities by allowing some trees to release their seeds, by clearing away deadwood, and by encouraging new growth? A) Fire. B) Flood. C) Windstorm. D) Drought. Show Answer Correct Answer: A) Fire. 6. The agricultural revolution was ..... A) The shift from food gathering to food production. B) The building of shelters and religious temples. C) The ice age. D) Hunters and gatherers revolting. Show Answer Correct Answer: A) The shift from food gathering to food production. 7. A beehive depends on pollen from flowers to survive. Flowers depend on bees to pollinate them. Humans tend bee hives, offering the bees a place to live in exchange for some of their honey. The relationship among these three sets of organisms is A) Parasitic. B) Commensalist. C) Symbiotic. D) Mutualistic. Show Answer Correct Answer: D) Mutualistic. 8. Since carbon dioxide is one of the atmosphere greenhouse gases, its removal has a negative impact on global warming. A) True. B) False. Show Answer Correct Answer: A) True. 9. Everywhere life can exist on earth A) Biodiversity. B) Biosphere. C) Biotic. D) Abiotic. Show Answer Correct Answer: B) Biosphere. 10. The percent of energy that is passed from one trophic level to another (the rest is lost as heat). A) 10%. B) 90%. C) 100%. D) None of above. Show Answer Correct Answer: A) 10%. 11. In a forest, the covering of tall trees whose intertwining branches absorb a great amount of sunlight and shade the area beneath. A) Econtone. B) Canopy. C) Chapperal. D) Biome. Show Answer Correct Answer: B) Canopy. 12. Why does cutting down trees increase global warming? A) Trees soak up carbon dioxide. B) Trees provide shade which counteracts global warming. C) Trees absorbs the sun's energy without radiating back into the atmosphere. D) Trees drain greenhouse gases like methane from soil. Show Answer Correct Answer: A) Trees soak up carbon dioxide. 13. Organisms that have a large effect on the abundance and type of organisms in an ecosystem A) Nonnative species. B) Invasive species. C) Keystone species. D) Indicator species. Show Answer Correct Answer: C) Keystone species. 14. Convert to scientific notation:520, 000, 000 A) 52 x 107. B) 5.2 x 10-7. C) 5.2 x 108. D) 0.52 x 109. Show Answer Correct Answer: C) 5.2 x 108. 15. Birds make their nests to A) Lay eggs. B) Protect their young ones from enemies. C) Protect from bad weather. D) All the answers are correct. Show Answer Correct Answer: D) All the answers are correct. 16. Testing a hypothesis often involves a(n): A) Questions. B) Experiment. C) Conclusions. D) Analysis. Show Answer Correct Answer: B) Experiment. 17. Since 1950, what percentage of Earth's rain forests have been lost to deforestation? A) 10%. B) 60%. C) 40%. D) None of above. Show Answer Correct Answer: C) 40%. 18. ..... is the fair treatment of all people concerning environmental problems. A) A sustainable society. B) Environmental justice. C) Applied science. D) None of above. Show Answer Correct Answer: B) Environmental justice. 19. A source of groundwater contamination in coastal areas is saltwater intrusion. A) True. B) False. Show Answer Correct Answer: A) True. 20. Which statement about scientific views is correct? A) Changes in scientificthought show that the general public cannot rely on science. B) Changes in scientificthought demonstrate a key strength of science. C) Scientific thought and interpretations never change over time. D) Changes in scientific thought are usually rapid and drastic. Show Answer Correct Answer: B) Changes in scientificthought demonstrate a key strength of science. ← 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