This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 81 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 81 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as ..... A) Convection. B) Subduction. C) Continental drift. D) Conduction. Show Answer Correct Answer: B) Subduction. 2. An underground layer of permeable rock that holds groundwater which can be extracted by drilling a well. A) Water table. B) Aquifer. C) Watershed. D) River. Show Answer Correct Answer: B) Aquifer. 3. What is a factor that changes because of what the experimenter does? A) Dependent Variable. B) Independent Variable. C) Control Group. D) Hypothesis. Show Answer Correct Answer: A) Dependent Variable. 4. Which of the following can lead to a decrease in biodiversity? A) Habitat loss. B) Recycling. C) Abundance in resources. D) Sustainable farming. Show Answer Correct Answer: A) Habitat loss. 5. WHAT IS THE TOTAL GEOGRAPHICAL AREA OF INDIA? A) 328, 73 million hectares. B) 456, 87 millionhectares. C) 254, 78 millionhectares. D) 654, 98 millionhectares. Show Answer Correct Answer: A) 328, 73 million hectares. 6. What must be removed from school buildings by law? A) Oil based paint. B) Carbon dioxide. C) Benzene. D) Exposed asbestos. Show Answer Correct Answer: D) Exposed asbestos. 7. What is the difference between a community and a population? A) A community is one organism; A population is many organisms. B) A population has one species; A community has many species. C) A population has one ecosystem; A community has many ecosystems. D) A community has one biome; A population has many biomes. Show Answer Correct Answer: B) A population has one species; A community has many species. 8. Photosynthesis is carried out by A) Decomposers. B) Consumers. C) Producers. D) None of above. Show Answer Correct Answer: C) Producers. 9. The major factor contributing to ..... grasslands is rainfall, where the annual precipitation is between 25 and 75 cm per year. A) Deserts. B) Tundra. C) Temperate. D) Deciduous. Show Answer Correct Answer: C) Temperate. 10. Which 2 spheres are affected? A volcano erupts, sending ash high into the air. A) Geosphere and Atmosphere. B) Geosphere and Hydrosphere. C) Geosphere and Biosphere. D) Atmosphere and Biosphere. Show Answer Correct Answer: A) Geosphere and Atmosphere. 11. A(n) ..... current consists of air or a liquid moving in a circular path as it is heated and cooled. A) Conduction. B) Convection. C) Radiation. D) Erosion. Show Answer Correct Answer: B) Convection. 12. Which fish species is invasive, in our reef environment A) Clown fish. B) Parrot fish. C) Groupers. D) Lion fish. Show Answer Correct Answer: D) Lion fish. 13. The oceans and the atmosphere work together through global currents that do what? A) A. Cycle energy and matter to support the biosphere. B) Cycle energy and matter to support plate tectonics. C) A) Cycle energy and matter to provide nutrients to secondary consumers. D) A) Cycle energy and matter to support the biosphere as a closed energy system tagsSEV1. Show Answer Correct Answer: A) A. Cycle energy and matter to support the biosphere. 14. Biomass (including biodiesel) A) Non-renewable. B) Renewable. Show Answer Correct Answer: B) Renewable. 15. A dense positively charged sub atomic particle is called a A) Proton. B) Neutron. C) Electron. D) Plasma. Show Answer Correct Answer: A) Proton. 16. "Energy Star, " "USDA Organic, " and "Fair Trade Certified" are all examples of A) Ecosystems. B) Ecolabelling. C) Non-market values. D) Market failure. Show Answer Correct Answer: B) Ecolabelling. 17. Summarize a major cause of permanent habitat destruction due to human impact. A) Forest fires caused by lightning strikes and accidents. B) Polluting the environment by burning fossil fuels. C) Overhunting a species to extinction. D) Clearing land to grow food and build businesses and homes. Show Answer Correct Answer: D) Clearing land to grow food and build businesses and homes. 18. Emma is studying the water quality in the Puget sound, her study includes many variables. Which example is a quantitative data example? A) The water is acidic. B) The water has low sediment content. C) The water has a high quantity of plastic debris. D) The water has an average temperature of 51.9 degrees F. Show Answer Correct Answer: D) The water has an average temperature of 51.9 degrees F. 19. Based on the Topographic Map, what is the contour interval? A) 100 m. B) 10 m. C) 50 m. D) 500 m. Show Answer Correct Answer: B) 10 m. 20. Arrangement in which a government or private conservation organization pays a government or private landowner in another nation for agreeing to preserve natural resources A) Pasture. B) Fishery. C) Conservation Concession. D) None of above. Show Answer Correct Answer: C) Conservation Concession. ← 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