This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 122 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 122 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Choose the right meaning:rubbish A) Bottle. B) Garbage. C) Tin. D) None of above. Show Answer Correct Answer: B) Garbage. 2. Warm, shallow waters with many organisms. A) Coral reef. B) Wetland. C) River. D) Deep sea. Show Answer Correct Answer: A) Coral reef. 3. How does Energy move in a food chain/web? A) In a cycle. B) It does not move. C) In one direction. D) In a zig-zag pattern. Show Answer Correct Answer: C) In one direction. 4. An organism that can change the way it eats, adjusting to almost any condition is called a(n) A) Carnivore. B) Herbivore. C) Omnivore. D) Scavenger. Show Answer Correct Answer: C) Omnivore. 5. Which of these sets of three items produce CFCs A) Cars, factories, and cardboard. B) Spray cans, cardboard, insulation. C) Spray cans, refrigerant, cardboard. D) Spray cans, refrigerant, insulation. Show Answer Correct Answer: D) Spray cans, refrigerant, insulation. 6. All food chains begin with a ..... A) Primary consumer. B) Producers. C) Scavengers. D) Secondary consumer. Show Answer Correct Answer: B) Producers. 7. What is an example of a producer for Biology? A) Algae. B) Frog. C) Snake. D) Shark. Show Answer Correct Answer: A) Algae. 8. What type of symbiosis? *Fungi form lichens by living in a close relationship with an algae. The fungus provides a protective home for the algae, and gathers mineral nutrients from rainwater and from dissolving the rock underneath. *The algae gathers energy from the sun using photosynthesis. Both organisms share their nutrients with each other. A) Commensalism. B) Mutualism. C) Parasitism. D) Predation. Show Answer Correct Answer: B) Mutualism. 9. What is the difference between the biotic and abiotic factors? A) Biotic factors are living things and abiotic factors are nonliving things. B) Biotic factors are nonliving things and abiotic factors are living things. Show Answer Correct Answer: A) Biotic factors are living things and abiotic factors are nonliving things. 10. A(n) ..... is made up of all the living things in an area and their non-living environment. A) Habitat. B) Ecosystem. C) Biosphere. D) Succession. Show Answer Correct Answer: B) Ecosystem. 11. Organism that eats other organisms to get energy A) Producer. B) Consumer. C) Plant. D) Food chain. Show Answer Correct Answer: B) Consumer. 12. What is the process in which plants use sunlight to create energy? A) Photography. B) Pennsylvania. C) Chlorophyll. D) Photosynthesis. Show Answer Correct Answer: D) Photosynthesis. 13. Which statement best describes a biogeochemical cycle? A) A cycle that continuously cycles chemical elements and water that are needed by organisms through an ecosystem. B) A cycle that recycles chemical elements and water. Show Answer Correct Answer: A) A cycle that continuously cycles chemical elements and water that are needed by organisms through an ecosystem. 14. A dead leaf is an/a ..... A) Abiotic factor. B) Biotic factor. Show Answer Correct Answer: B) Biotic factor. 15. A network of many food chains A) Food cycle. B) Food web. C) Tertiary web. D) None of above. Show Answer Correct Answer: B) Food web. 16. 1st law of thermodynamics: A) Nothing is free. B) Law of conservation of energy. C) Everything is connected with everything. D) Nature knows everything. E) A concentrated form of energy is distributed to other forms. Show Answer Correct Answer: B) Law of conservation of energy. 17. Bacteria converts nitrates in the soil back into atmospheric nitrogen gas by which process? A) Nitrification. B) Denitrification. C) Ammonification. D) Nitrogren Fixation. Show Answer Correct Answer: B) Denitrification. 18. Hookworms enter the human body by burrowing into the skin of the feet. Once in the skin they enter the bloodstream and travel to the small intestine where they attach to the walls and begin to drink the person's blood and weaken the victim. A) Parasitism. B) Mutualism. C) Commensalism. D) None of above. Show Answer Correct Answer: A) Parasitism. 19. For any natural ecosystem, which of the following statements applies to the energy pyramid, the biomass pyramid, and the numbers pyramid? A) Consumers are at the bottom of the energy pyramid, only. B) Producers are at the bottom level of all three pyramids. C) Producers are at the bottom of the energy and biomass pyramids, only. D) Consumers form the bottom levels, while producers are at the top. Show Answer Correct Answer: B) Producers are at the bottom level of all three pyramids. 20. What is the average amount of energy transferred from one trophic level to the next? A) 90%. B) 10%. C) 20%. D) 50%. Show Answer Correct Answer: B) 10%. ← PreviousNext →Related QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9Ecology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books