This quiz works best with JavaScript enabled. Home > Science > Environmental Sciences – Quiz 341 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 341 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What gas makes up 78 % of our atmosphere? A) Nitrogen. B) Carbon dioxide. C) Oxygen. D) Sulfur. Show Answer Correct Answer: A) Nitrogen. 2. What is the main goal of sustainable agriculture? A) To produce the maximum yield of crops regardless of environmental impact. B) To use genetically modified organisms to increase resistance to pests. C) To maintain healthy soil, clean water, and genetic diversity. D) To focus solely on the economic profitability of farms. Show Answer Correct Answer: C) To maintain healthy soil, clean water, and genetic diversity. 3. The introduction of Alien species affects biodiversity negatively if the alien species; A) Has a faster growth rate than native species. B) Outcompetes the native species for resources. C) Carries a new pathogen into the native species habitat. D) All of the above. Show Answer Correct Answer: D) All of the above. 4. Describes a human centered view of our relationship with the environment A) Anthropocentrism. B) Biocentrism. C) Ecocentrism. D) None of above. Show Answer Correct Answer: A) Anthropocentrism. 5. Which type of environmental scientist is likely to study methods of water conservation and decontamination? A) Hydrologist. B) Toxicologist. C) Oceanographer. D) Ecologist. Show Answer Correct Answer: A) Hydrologist. 6. As the Earth warms, ice cover melts, exposing soil or water. Albedo decreases (albedo is the fraction of light that is reflected by a body or surface). More energy is absorbed by the Earth's surface. Global temperature rises. More ice melts. A) Positive Feedback. B) Negative Feedback. Show Answer Correct Answer: A) Positive Feedback. 7. Organisms who feed directly on producers are called A) Consumers. B) Primary consumers. C) Secondary consumers. D) None. Show Answer Correct Answer: B) Primary consumers. 8. Urban areas consist of ..... % of the population. A) 80. B) 3. C) 20. D) None of above. Show Answer Correct Answer: A) 80. 9. Define ecosystem. A) A system of transportation. B) A group of people living in a specific area. C) A community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. D) A collection of rocks and minerals. Show Answer Correct Answer: C) A community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. 10. (a) selection is when tame organisms are bred to produce specific traits A) A Artificial. B) Natural. Show Answer Correct Answer: A) A Artificial. 11. What causes Tides? A) The Moon's Gravity. B) Wind Resistance. C) Magnetism. D) The Earth's Gravity. Show Answer Correct Answer: A) The Moon's Gravity. 12. In nuclear fission, a large atom like U-235 splits into two smaller atoms releasing a large amount of energy. What causes U-235 to split into two smaller atoms? A) U-235 is bombarded by an neutron, which makes U-235 unstable and it splits into two smaller atoms. B) U-235 is bombarded by an electron, which makes U-235 unstable and it splits into two smaller atoms. C) Two U-235 atoms are bombarded by an proton, which makes U-235 unstable and it fuses together. D) None of above. Show Answer Correct Answer: A) U-235 is bombarded by an neutron, which makes U-235 unstable and it splits into two smaller atoms. 13. Which feature most makes the deep sea biome different from all others? A) The life there does not depend on photosynthesis. B) There are no predators. C) There is no life. D) There are no prokaryotic organisms. Show Answer Correct Answer: A) The life there does not depend on photosynthesis. 14. When a building has bad air quality, it has something called A) Sick building syndrome. B) Radon. C) Carbon monoxide. D) Smog. Show Answer Correct Answer: A) Sick building syndrome. 15. The molten rock that is found in the upper mantle is ..... A) Limestone. B) Granite. C) Magma. D) Basalt. Show Answer Correct Answer: C) Magma. 16. The effects of water pollution on ecosystems A) Are always immediate and highly lethal. B) Result mostly from point-source pollution sources. C) Can magnify over time within food chains. D) Can be demonstrated by natural eutrophication. Show Answer Correct Answer: C) Can magnify over time within food chains. 17. Select an example of a renewable resource A) Water. B) Coal. C) Minerals. D) Fossil fuels. Show Answer Correct Answer: A) Water. 18. Relies on bacteria; involves the process of nitrogen fixation A) Nitrogen cycle. B) Carbon cycle. C) Phosphorus cycle. D) Water cycle . Show Answer Correct Answer: A) Nitrogen cycle. 19. This boundary is described as two plates moving past eachother ALONG THE EDGES horizontally. These boundaries will get stuck or lock against eachother causing earthquakes when they slip and release. A) Convergent Boundary. B) Divergent Boundary. C) Transform Boundary. D) None of above. Show Answer Correct Answer: C) Transform Boundary. 20. India is in the Northern Hemisphere and Australia is in the Southern Hemisphere.In June, it is summer in India and winter in Australia. What is the main reason theseasons are opposite in the two countries? A) ) Because Earth is tilted on its axis. B) ) Because the Sun rotates on its axis. C) ) Because Earth revolves around the Sun. D) ) Because of the distance between the countries. Show Answer Correct Answer: A) ) Because Earth is tilted on its axis. ← 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