This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 434 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 434 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Manipulated factor, the variable a scientist manipulates (change) in an experiment A) Independent variable. B) Dependent variable. C) Controlled variable. D) Responding variable. Show Answer Correct Answer: A) Independent variable. 2. The purpose of a code of ethics is A) Set standards for a profession. B) Know our unique values and makes decisions based off them. C) Be a guide for professional behavior. D) All of these. Show Answer Correct Answer: D) All of these. 3. Which of the following statements best describes the composition of air? A) Air is only made up of nitrogen. B) Air is only made up of oxygen. C) Air is only made up of carbon dioxide. D) Air is made up of a mixture of different gasses. Show Answer Correct Answer: D) Air is made up of a mixture of different gasses. 4. The bars used to count frequencies are called ..... A) Tally Marks. B) Bars. C) Range. D) None of the above. Show Answer Correct Answer: A) Tally Marks. 5. What is a controlled fire to clear fire fuel called? A) Prescribed burn. B) Unplanned ignition. C) Random blaze. D) Wildfire. Show Answer Correct Answer: A) Prescribed burn. 6. True or False:Scientists determine population size by counting every single individual in a population. A) True. B) False. Show Answer Correct Answer: B) False. 7. The deepest point on the ocean floor is in the A) Arctic Ocean. B) Indian Ocean. C) Atlantic Ocean. D) Pacific Ocean. Show Answer Correct Answer: D) Pacific Ocean. 8. ..... is the study of how living things interact with biotic and abiotic factors in their environment. A) Environmental Science. B) Ecology. C) Geology. D) Physics. Show Answer Correct Answer: B) Ecology. 9. Which of the following is a long term natural event that affects climate? A) Volcanism. B) Forest fires. C) The boy. D) Ice ages. Show Answer Correct Answer: D) Ice ages. 10. What is the main focus of anthropocentrism? A) Protection and promotion of human interests. B) Preservation of ecosystems. C) Equal consideration for all living things. D) Sustainable development. Show Answer Correct Answer: A) Protection and promotion of human interests. 11. The ..... the elevation, the ..... the temperature. A) Higher, colder. B) Lower, worse. C) Lower, colder. D) Higher, warmer. Show Answer Correct Answer: A) Higher, colder. 12. Hardin s Tragedy of the Commons essay addresses the conflicts associated with what environmental challenge? A) Preventing pollution. B) Preserving biodiversity c. curbing overpopulation d. protecting shared resources. C) Curbing overpopulation protecting shared resources. D) Protecting shared resources. Show Answer Correct Answer: D) Protecting shared resources. 13. Monocropping has a number of disadvantages. These include all of the following EXCEPT A) Erosion due to exposure of large areas of soil during planting. B) Nutrition and pesticide needs should be similar throughout a single crop. C) Pests are likely to attack a monocrop due to the high concentration. D) Loss of habitat for natural pest predators. Show Answer Correct Answer: B) Nutrition and pesticide needs should be similar throughout a single crop. 14. What often occurs at tectonic plate boundaries? A) Increasing air pressure. B) Thinning of the biosphere. C) Mountain building. D) Increased erosion. Show Answer Correct Answer: C) Mountain building. 15. Which one the following is not biodegradable? A) Vegetables. B) Earthworms. C) Fruits. D) Aluminum foil. Show Answer Correct Answer: D) Aluminum foil. 16. .... is the largest union territory. A) Lakshadweep. B) Bangladesh. C) Andaman and Nicobar Islands. D) Myanmar. Show Answer Correct Answer: C) Andaman and Nicobar Islands. 17. The ..... school, led by naturalist John Muir, wanted wilderness areas on some public lands to be left untouched. A) Conservationist. B) Preservationist. C) Reservist. D) Integrated. E) Roosevelt. Show Answer Correct Answer: B) Preservationist. 18. Which of the following is the ultimate source of power? A) Oil. B) Sunlight. C) Coal. D) Carbon Dioxide. Show Answer Correct Answer: B) Sunlight. 19. A prediction of what will happen ..... if ....., then ..... because ..... A) Hypothesis. B) Procedures. C) Testable question. D) Conclusion. Show Answer Correct Answer: A) Hypothesis. 20. Planting crops around the contours of the land rather than in straight rows A) Contour farming. B) No-till farming. C) Siltation farming. D) Pasture farming. Show Answer Correct Answer: A) Contour farming. ← 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