This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 291 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 291 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Particles that are located in the nucleus of an atom and no charge A) Proton. B) Neutron. C) Electron. D) Dust. Show Answer Correct Answer: B) Neutron. 2. Ecocentrism A) Worldview puts focus on health of environment. B) Worldview puts focus on health of animals. C) Worldview puts focus on health of trees. D) Worldview puts focus on health of fish. Show Answer Correct Answer: A) Worldview puts focus on health of environment. 3. The study of interactions of living organisms with one another and their environment. A) Environmental Science. B) Earth Science. C) Ecology. D) Social Sciences. Show Answer Correct Answer: C) Ecology. 4. There were how many statues on Easter Island? A) 887. B) 886. C) No one really knows . D) 889. Show Answer Correct Answer: A) 887. 5. In Yellowstone, Gray wolves prey on elk and help to keep the elk population in check, which in turn keeps several plant species from being overgrazed. This is an example of a ..... A) Bottom-up population control. B) Trophic cascade. C) Trophic cascade. D) Flagship species. Show Answer Correct Answer: B) Trophic cascade. 6. Which of the following gases is most responsible for the greenhouse effect? A) Nitrous oxide. B) Methane. C) Oxygen. D) Water vapor. Show Answer Correct Answer: D) Water vapor. 7. In a hypothesis written in the "If, then" format, which variable comes first? A) Independent. B) Dependent. Show Answer Correct Answer: A) Independent. 8. Experimental methods include which of the following steps? A) Observing, hypothesizing, predicting, experimenting, and communicating results. B) Remains skeptical, organizing data, and analyzing data. C) Drawing conclusions, being open to new ideas, and communicating results. D) Being curious, imagining, being able to see patterns, and predicting. Show Answer Correct Answer: A) Observing, hypothesizing, predicting, experimenting, and communicating results. 9. The sun's rays strike the Earth most directly at the A) Poles. B) Equator. C) Temperature zone. D) Gulf stream. Show Answer Correct Answer: B) Equator. 10. Elephants are examples of ..... A) K strategies. B) R strategies. C) S strategies. D) None of above. Show Answer Correct Answer: A) K strategies. 11. A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass number is ..... A) 30. B) 26. C) 52. D) 56. Show Answer Correct Answer: D) 56. 12. What process adds oxygen gas the atmosphere? A) Photosynthesis. B) Cellular respiration. C) Osmosis. D) Diffusion. Show Answer Correct Answer: A) Photosynthesis. 13. Sheep, buffalo, cow and goat gives us A) Milk. B) Eggs. C) Meat. D) None of the above. Show Answer Correct Answer: A) Milk. 14. You've learned in school that all reptiles lay eggs. You see an animal you've never seen before and it lays eggs, so you assume it must be a reptile. This is an example of ..... A) Inductive reasoning. B) Deductive reasoning. C) Abductive reasoning. D) Transductive reasoning. Show Answer Correct Answer: B) Deductive reasoning. 15. Oil spills and trash dumping are examples of ..... pollution A) Desalination. B) Non-Point Source. C) Point Source. D) NonRenewable. Show Answer Correct Answer: C) Point Source. 16. Potentially the most dangerous to humans and most destructive to the environment, Forms when layers of hardened lava chunks alternate with lava, Mount St. Helens and Mount Rainier are examples. A) Cinder Cone Volcano. B) Composite Volcano. C) Shield Volcano. D) None of above. Show Answer Correct Answer: B) Composite Volcano. 17. A group of the same species living in an ecosystem is referred to as a ..... A) Community. B) Population. C) Ecosystem. D) Organism. Show Answer Correct Answer: B) Population. 18. What is the term for the total amount of greenhouse gases produced to directly and indirectly support human activities, usually expressed in equivalent tons of carbon dioxide (CO2)? A) Carbon footprint. B) Global warming. C) Greenhouse effect. D) Ozone layer. Show Answer Correct Answer: A) Carbon footprint. 19. A community of animals and plants interacting with their environment. Biotic and abiotic A) Extinct. B) Biodiversity. C) Variation. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 20. An increase in the amount of nutrients, such as nitrates, in a marine or aquatic ecosystem is A) Benthos. B) Nekton. C) Eutrophication. D) Plankton. Show Answer Correct Answer: C) Eutrophication. ← 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