This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 93 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 93 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Carbon can be found in ..... A) The atmosphere. B) Soil. C) Fossil fuels. D) All of the above. Show Answer Correct Answer: D) All of the above. 2. What is the result of using fossil fuels more rapidly than they are formed? A) The reserves will eventually be used up. B) The reserves will be refilled more quickly. C) The reserves will not be affected. D) The price of fossil fuels will fall. Show Answer Correct Answer: A) The reserves will eventually be used up. 3. Non-living factor that affects an ecosystem A) Biotic factor. B) Abiotic factor. C) Food chain. D) Biome. Show Answer Correct Answer: B) Abiotic factor. 4. What is produced as a result of photosynthesis? A) Glucose (sugar) and chlorophyll. B) Water and light energy. C) Glucose (sugar) and oxygen. D) Carbon dioxide and water. Show Answer Correct Answer: C) Glucose (sugar) and oxygen. 5. All biogeochemical cycles on Earth would break down without these organisms. A) Carnivores. B) Omnivores. C) Decomposers. D) Herbivores. Show Answer Correct Answer: C) Decomposers. 6. In an ecosystem, what happens to the atoms of certain chemical elements, such as carbon, oxygen, and nitrogen? A) They move into and out of living systems. B) They are only found in abiotic factors. C) They move out of living systems and do not return. D) They move into living systems and remain there. Show Answer Correct Answer: A) They move into and out of living systems. 7. Which nutrient does not cycle through the atmosphere in the form of a gas? A) Carbon. B) Oxygen. C) Nitrogen. D) Phosphorus. Show Answer Correct Answer: D) Phosphorus. 8. The ecosystem is comprised of both ..... and ..... factors. A) Rain and shine. B) Biotic and abiotic. C) Earth and environment. D) None of above. Show Answer Correct Answer: B) Biotic and abiotic. 9. The amount of energy that gets passes from each organism onto the next organism in the energy pyramid is this amount: ..... A) 10 percent'. B) 90 percent. C) None. D) None of above. Show Answer Correct Answer: A) 10 percent'. 10. What are the dependent and independent variables? A) Temp is dependent and sales is independent. B) Temp is independent and sales is dependent. C) Time. D) None. Show Answer Correct Answer: B) Temp is independent and sales is dependent. 11. Organisms that eat primary consumers A) Primary consumer. B) Secondary consumers. C) Tertiary consumers. D) Producers. Show Answer Correct Answer: B) Secondary consumers. 12. A model that shows all of the possible feeding relationships in an ecosystem is called a(n) ..... A) Energy pyramid. B) Food web. C) Food chain. D) Food pyramid. Show Answer Correct Answer: B) Food web. 13. Nuclear reaction A) Nuclear reaction. B) Half reaction. C) Substitution reaction. D) Addition reaction. Show Answer Correct Answer: A) Nuclear reaction. 14. Cell theory states that ..... A) Cells are the basic building block of life. B) Cells are cool. C) Cells are microscopic. D) Cells cannot be destroyed. Show Answer Correct Answer: A) Cells are the basic building block of life. 15. Organism that hunts and consumes another organism A) Prey. B) Scavenger. C) Predator. D) Omnivore. Show Answer Correct Answer: C) Predator. 16. How does climate determine plant growth? A) Climate determines the average temperature and precipitation, the length of the growing season, and the quality of the soil, including levels of soil nutrients. B) Climate determines the average temperature and precipitation. Show Answer Correct Answer: A) Climate determines the average temperature and precipitation, the length of the growing season, and the quality of the soil, including levels of soil nutrients. 17. A relationship where one organism benefits while the other gets nothing is called ..... A) Symbiosis. B) Parasitism. C) Mutualism. D) Commensalism. Show Answer Correct Answer: D) Commensalism. 18. Shifting winds causes major rain storms which floods rivers, lakes and streams. Which 2 spheres are interacting in this event? A) Hydrosphere and atmosphere. B) Hydrosphere and biosphere. C) Biosphere and atmosphere. D) Geosphere and hydrosphere. Show Answer Correct Answer: A) Hydrosphere and atmosphere. 19. A thing that eats other organisms. A) Food chain. B) Producer. C) Decoposer. D) Consumer. Show Answer Correct Answer: D) Consumer. 20. We need to ..... the world and save energy. A) Drink. B) Help. C) Look after. D) Eat. Show Answer Correct Answer: C) Look after. ← PreviousNext →Related QuizzesScience QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books