This quiz works best with JavaScript enabled. Home > Agriculture > Environment > General > Environmental Science – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Science Quiz 24 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... Seeks to define what is right and what is wrong. A) Ecology. B) Ethics. C) Educators. D) Environment. Show Answer Correct Answer: B) Ethics. 2. What is air pollution? A) Industrial pollution. B) Any harmful substance that builds up in the air. C) Chemicals in the water. D) Pollen, dust, gases. Show Answer Correct Answer: B) Any harmful substance that builds up in the air. 3. A hybrid car uses A) A photovoltaic cell and an electric motor. B) An efficient gasoline engine and an electric motor. C) A fuel cell and a solar cell. D) An efficient gasoline engine and a fuel cell. Show Answer Correct Answer: B) An efficient gasoline engine and an electric motor. 4. This described the likeliness of a public area being exploited for short-term gain. A) Hetch Hetchy. B) Silent Spring. C) The Tragedy of the Commons. D) Harry Potter and the Sorcerer's Stone. Show Answer Correct Answer: C) The Tragedy of the Commons. 5. % of toxins such as mercury that accumulate in the tissues of organisms as we go up the food pyramid. A) 10%. B) 100%. C) 50%. D) 1%. Show Answer Correct Answer: B) 100%. 6. Which gas makes up 78% of our atmosphere? A) Carbon dioxide. B) Argon. C) Nitrogen. D) Oxygen. Show Answer Correct Answer: C) Nitrogen. 7. The uppermost level at which the water in a given area fully saturates rock or soil. A) Impermeable surface. B) Rock and mantle. C) Water table. D) Groundwater recharge. Show Answer Correct Answer: C) Water table. 8. What is evaporation? A) The part of the water cycle when the sun heats up water, turning it from a liquid into water vapor or steam. It rises from the ground into the air. B) The part of the water cycle when the water vapor in the air gets cold. The water turns back into a liquid and forms clouds. C) The part of the water cycle when clouds get heavy and can no longer hold the liquid water. This causes the water to fall from the sky to the earth as rain, snow, sleet, or hail. D) None of above. Show Answer Correct Answer: A) The part of the water cycle when the sun heats up water, turning it from a liquid into water vapor or steam. It rises from the ground into the air. 9. An essential feature of every good experiment is that it should A) Use a control. B) Test a single variable. C) Graph data. D) Both a and b. Show Answer Correct Answer: D) Both a and b. 10. The disappearance of a species from Earth is called A) Niche. B) Extinction. C) Competition. D) Artificial Selection. Show Answer Correct Answer: B) Extinction. 11. The crust, mantle, asthenosphere, and core are all parts of Earth's A) Hydrosphere. B) Biosphere. C) Geosphere. D) Atmosphere. Show Answer Correct Answer: C) Geosphere. 12. This variable in an experiment is the one being deliberately changed by the scientist. A) Data. B) Control group. C) Dependent variable. D) Independent variable. Show Answer Correct Answer: D) Independent variable. 13. What is biodiversity? A) The similarity of life in the world or in a particular habitat or ecosystem. B) The variety of life in the world or in a particular habitat or ecosystem. C) The study of biology. D) The difference between the earth and mars. Show Answer Correct Answer: B) The variety of life in the world or in a particular habitat or ecosystem. 14. The lowest layer of Earth's atmosphere, the one directly above the ground, is called the A) Mesosphere. B) Stratosphere. C) Thermosphere. D) Troposphere. Show Answer Correct Answer: D) Troposphere. 15. Which statement about the littoral zone in a lake or pond is true? A) There are no rooted aquatic plants. B) It is rich in invertebrates. C) It is far from the shore. D) It has deep water. Show Answer Correct Answer: B) It is rich in invertebrates. 16. What is the term used for the largest population that an environment can support at any given time? A) Full level. B) Biotic factor. C) Organism scope. D) Carrying capacity. Show Answer Correct Answer: D) Carrying capacity. 17. The percentage of energy put into a system that does useful work is A) Renewable energy. B) Energy conservation. C) Energy conversion. D) Energy efficiencty. Show Answer Correct Answer: D) Energy efficiencty. 18. Trophic levels are represented by A) Circles. B) Squares. C) Lines. D) Pyramids. Show Answer Correct Answer: D) Pyramids. 19. When scientists formulate a testable idea about their scientific question s, they have formed a(n) A) Observation. B) Conclusion. C) Hypothesis. D) Question . Show Answer Correct Answer: C) Hypothesis. 20. Direction currents move across the equator A) West across the equator. B) Northeast towards higher latitudes. C) Always southwest. D) Varies depending on the season. Show Answer Correct Answer: A) West across the equator. 21. Environmental Science is ..... A) The study of living things and how they grow and change. B) The study of the relationships of the natural world and the relationships between organisms. C) The study of weather and climate. D) None of above. Show Answer Correct Answer: B) The study of the relationships of the natural world and the relationships between organisms. 22. An area of the Earth's surface from which water percolates down into an aquifer is called a A) Dam. B) Surface water. C) Recharge zone. D) Potable. Show Answer Correct Answer: C) Recharge zone. 23. Burning of gasoline is contributing to the current imbalance in the ..... cycle. A) Water. B) Nitrogen. C) Carbon. D) None of above. Show Answer Correct Answer: C) Carbon. 24. A material or energy that is replenished (returns) in a short period of time. Example: water, solar, wind A) Greenhouse effect. B) Non-renewable resource. C) Natural resource. D) Renewable resource. Show Answer Correct Answer: D) Renewable resource. 25. A possible explanation to a problem that has not yet been tested. A) Hypothesis. B) Data. C) Theory. D) Fact. Show Answer Correct Answer: A) Hypothesis. 26. Which of the following symbiotic relationships is considered parasitic? A) Bees transporting pollen from flowers. B) Birds eating the insects from the back of a hippopotamus. C) Ticks feeding on a dog. D) Pilotfish swimming under sharks. Show Answer Correct Answer: C) Ticks feeding on a dog. 27. In what ways could we help our environment in the face of global warming? A) Rooftop gardens. B) Solar panels. C) Plant trees. D) All of these. Show Answer Correct Answer: D) All of these. 28. The behaviors and physical characteristics of species that allow them to live successfully in their environment are called A) Habitats. B) Limiting factors. C) Adaptations. D) Biotic factors. Show Answer Correct Answer: C) Adaptations. 29. Which of the following is not characteristic of salt marshes and mangrove swamps? A) Both provide habitats for wildlife. B) Both are dominated by marsh grasses. C) Both are found along coastal areas. D) Both are threatened by development. Show Answer Correct Answer: B) Both are dominated by marsh grasses. 30. Life underwater is greatly affected by light availability, which is directly related to A) Water depth. B) Temperature. C) Water quality. D) Salinity. Show Answer Correct Answer: A) Water depth. ← PreviousNext →Related QuizzesEnvironment QuizzesAgriculture QuizzesEnvironmental Science Quiz 1Environmental Science Quiz 2Environmental Science Quiz 3Environmental Science Quiz 4Environmental Science Quiz 5Environmental Science Quiz 6Environmental Science Quiz 7Environmental Science Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books