This quiz works best with JavaScript enabled. Home > Science > Environmental Sciences – Quiz 55 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 55 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is a keystone species? A) Species on which other species in an ecosystem depend, such that if it were removed the ecosystem would change drastically. B) Species which do not interact with other species in the ecosystem. C) Species which were believed extinct, but have recently been rediscovered. D) None of above. Show Answer Correct Answer: A) Species on which other species in an ecosystem depend, such that if it were removed the ecosystem would change drastically. 2. Geothermal energy comes from A) Chemical Reactions between compounds. B) Kinetic energy from the earth's rotation. C) Inside of the earth. D) Rain landing in oceans, causing sea levels to rise. Show Answer Correct Answer: C) Inside of the earth. 3. What is a species that is native to a particular place and is only found in that area? A) Invasive. B) Indicator. C) Endemic. D) Exotic. Show Answer Correct Answer: C) Endemic. 4. Native plants live in very specific habitats. Native plants can become extinct if ..... are planted and take over the space, soil, and nutrients needed by native plants. A) Extinct plants. B) Hybrid species. C) Invasive species. D) Exploited plants. Show Answer Correct Answer: C) Invasive species. 5. Scientists ..... experiments to make sure the results are meaningful. A) Perform. B) Repeat. C) Concluded. D) Communicate. Show Answer Correct Answer: B) Repeat. 6. What characteristic of cells is unique to animal cells? A) Having a nucleus. B) Having a cell wall. C) Absence of a nucleus. D) Absence of a cell wall. Show Answer Correct Answer: D) Absence of a cell wall. 7. Which of the following would not have a significant effect on the climate of a region? A) Uneven heating of the earth. B) Atmospheric current. C) El Nino causing a wet year. D) Earth's rotation. E) Earth's orbit. Show Answer Correct Answer: C) El Nino causing a wet year. 8. The field of science that focuses on the environmental effects of human activities is called? A) Chemistry. B) Ecology. C) Environmental Science. D) Physics. Show Answer Correct Answer: C) Environmental Science. 9. This is where weather occurs A) Troposphere. B) Stratosphere. C) Mesosphere. D) Thermosphere. Show Answer Correct Answer: A) Troposphere. 10. The base unit for length is the A) Second. B) Gram. C) Meter. D) Liter. Show Answer Correct Answer: C) Meter. 11. An area of the Earth's surface from which water percolates down into an aquifer is called a A) Surface water. B) Recharge zone. C) Potable. D) Dam. Show Answer Correct Answer: B) Recharge zone. 12. Coal, gas, and oil are all examples of these A) Smog. B) Fossil fuels. C) Air pollution. D) Ozone. Show Answer Correct Answer: B) Fossil fuels. 13. A type of natural resource that CAN be replaced or produced in our life time. A) Non-renewable. B) Renewable. C) Recyclable. D) None of above. Show Answer Correct Answer: B) Renewable. 14. Which is considered a gymnosperm? A) Pine Cone. B) Apple. C) Dandelion. D) Peach. Show Answer Correct Answer: A) Pine Cone. 15. Which organism is a decomposer? A) Grass. B) Dung beetle. C) Hyena. D) Baboon. Show Answer Correct Answer: B) Dung beetle. 16. Adaptation through natural selection is limited because it requires ..... A) The absence of mutations. B) Slow rates of reproduction. C) Genetic traits to exist in the gene pool. D) Low genetic diversity. Show Answer Correct Answer: C) Genetic traits to exist in the gene pool. 17. The Law of Conservation of Mass states A) Matter can be created, but not destroyed. B) Matter can be destroyed, but not created. C) Matter can be transformed, but not created or destroyed. D) Matter can be transformed, created, and destroyed. . Show Answer Correct Answer: C) Matter can be transformed, but not created or destroyed. 18. Why is water from an aquifer more likely to be cleaner than water from above ground sources? A) The water is rain water and is cleaner. B) Pollutants are filtered by rock and soil deep within the Earth. Show Answer Correct Answer: B) Pollutants are filtered by rock and soil deep within the Earth. 19. Which is a true statement? A) Humans depend on oxygen, plants depend on carbon dioxide. B) Plants produce carbon dioxide. C) Humans depend on carbon dioxide, plants depend on oxygen. D) Humans don't depend on plants for the air they need. Show Answer Correct Answer: A) Humans depend on oxygen, plants depend on carbon dioxide. 20. Get ready for a fun fact challenge! 🌱🌟Plants are the superheroes of our planet, acting as primary producers by transforming raw materials into energy. Imagine you're on an adventure to discover where these green champions can store the most energy. Which biome do you think is the ultimate powerhouse? A) Estuary. B) Shrubland. C) River. D) Rainforest. Show Answer Correct Answer: D) Rainforest. ← PreviousNext →Related 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 9Environmental Sciences Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books