This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 339 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 339 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When a measurement is repeatable and consistent it is said to have ..... A) High precision. B) Low precision. C) High accuracy. D) Low accuracy. Show Answer Correct Answer: A) High precision. 2. True or False:Symbiotic relationships are always beneficial for both species involved. A) True. B) False. Show Answer Correct Answer: B) False. 3. What creates an El Nino condition? A) The ocean currents change causing warmer than normal ocean temperatures. B) The shape of the coast changes and fish populations decline. C) Storms and other weather events in the atlantic ocean create it. D) The prevailing winds get stronger. Show Answer Correct Answer: A) The ocean currents change causing warmer than normal ocean temperatures. 4. This is a firm structure that protects and gives shape to the cells of plants. A) Cell wall. B) Cell membrane. C) Spicules. D) Chloroplast. Show Answer Correct Answer: A) Cell wall. 5. Which natural process removes carbon dioxide from the atmosphere? A) Forest fires. B) Volcanic eruptions. C) Cellular respiration. D) Photosynthesis. Show Answer Correct Answer: D) Photosynthesis. 6. What gas makes up 78 % of our atmosphere? A) Nitrogen. B) Carbon dioxide. C) Oxygen. D) Sulfur. Show Answer Correct Answer: A) Nitrogen. 7. 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. 8. 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. 9. 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. 10. 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. 11. 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. 12. 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. 13. Urban areas consist of ..... % of the population. A) 80. B) 3. C) 20. D) None of above. Show Answer Correct Answer: A) 80. 14. 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. 15. (a) selection is when tame organisms are bred to produce specific traits A) A Artificial. B) Natural. Show Answer Correct Answer: A) A Artificial. 16. 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. 17. 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. 18. 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. 19. 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. 20. 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. ← 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