This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 14 Ecosystem – Quiz 51 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 14 Ecosystem Quiz 51 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Something that is from that area A) Native. B) Alien. C) Invasive. D) Non native. Show Answer Correct Answer: A) Native. 2. Which trophic level makes its own food? A) Producer. B) Carnivore. C) Herbivore. D) Animals. Show Answer Correct Answer: A) Producer. 3. The total of all genetically based variation in all organisms in the biosphere is called A) Differentation. B) Superdiversity. C) Diversity. D) Biodiversity. Show Answer Correct Answer: D) Biodiversity. 4. A ..... is a closed container of plants and other living things that shows you how an ecosystem works. A) Park. B) Terrarium. C) Ecosystem. D) Fish Bowl. Show Answer Correct Answer: B) Terrarium. 5. Animals use oxygen in the process of ..... and make more CO2. A) Photosynthesis. B) Cellular respiration. C) All the above. D) None of the above. Show Answer Correct Answer: B) Cellular respiration. 6. What is the Viola Woodlawn project an example of? A) A new mining technique. B) A failed mining operation. C) A mining legislation. D) Mine reclamation. Show Answer Correct Answer: D) Mine reclamation. 7. Biodiversity provides: A) Limits growth. B) Food, medicines, industrial products. C) Fewer species. D) Prevents change. Show Answer Correct Answer: B) Food, medicines, industrial products. 8. An organism that eats the secondary consumer. A) Primary Consumer. B) Secondary Consumer. C) Tertiary Consumer. D) Consumer. Show Answer Correct Answer: C) Tertiary Consumer. 9. The basic unit of structure and function in a living things. A) Chloroplast. B) Nucleus. C) Cell. D) Cell membrane. Show Answer Correct Answer: C) Cell. 10. Individuals with more beneficial traits will ..... A) Survive. B) Not survive. C) Neither. D) Both. Show Answer Correct Answer: A) Survive. 11. The following statement is a hypothesis formed about marsh grass:If the amount of nitrogen marsh grass receives is increased, then the height of the grass will increase, because nitrogen is an essential nutrient needed for marsh grass to grow.What is the independent variable of the statement above? A) Height of grass. B) Amount of nitrogen. C) Essential nutrient. D) Amount of growth. Show Answer Correct Answer: B) Amount of nitrogen. 12. ..... are where plants and animals live together in their environment. A) America. B) Swamps. C) Ecosystems. D) Geosphere. Show Answer Correct Answer: C) Ecosystems. 13. Euglena is a unicellular organism that feeds on bacteria and uses CO$_{2}$ as a carbon source. Which described the nutrition of this organism? A) Autotrophic only. B) Heterotrophic only. C) Saprotrophic only. D) Autotrophic and heterotrophic. Show Answer Correct Answer: D) Autotrophic and heterotrophic. 14. The phenomenon by which environmental toxins become progressively move concentrated as organisms move up a food chain. A) Primary Consumer. B) Secondary Consumer. C) Energy Pyramid. D) Biological Magnification. Show Answer Correct Answer: D) Biological Magnification. 15. A(n) ..... chain shows the flow of ..... It always starts with the ..... and ends with the ..... Examples of decomposers are ..... and fungi. A) Food, energy, prey, predator, bacteria. B) Food, energy, producers, decomposer, bacteria. C) Energy, food, prey, predator decomposers, protists. D) Energy, food, producers, decomposer, bacteria. Show Answer Correct Answer: B) Food, energy, producers, decomposer, bacteria. 16. All organisms that do not fit into plant, fungi, and animal kingdoms but have a nucleus are: A) Archaebacteria. B) Eubacteria. C) Protists. D) Fungus. Show Answer Correct Answer: C) Protists. 17. A community is composed of A) Living organisms and their nonliving environment. B) One species of organism living in a specific environment on Earth. C) The factors that constitute an organism's niche. D) Potentially interacting populations of different kinds of organisms. Show Answer Correct Answer: D) Potentially interacting populations of different kinds of organisms. 18. Animals, fungi, and many bacteria cannot capture energy directly from sunlight or inorganic sources. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. When individuals join to come into a population A) Immigration. B) Emigration. C) All the above. D) None of the above. Show Answer Correct Answer: A) Immigration. 20. Red-billed oxpeckers are birds that feed on parasites found on an impala. The impala gets rid of parasites and the red-billed oxpeckers get a yummy dinner. This is an example of ..... A) Commensalism. B) Mutualism. C) Neutralism. D) Competition. Show Answer Correct Answer: B) Mutualism. 21. Which of the following is NOT an example of types of diversity? A) Species diversity. B) Genetic diversity. C) Number diversity. D) Ecosystem diversity. Show Answer Correct Answer: C) Number diversity. 22. Which evolutionary adaptation has enabled insects to be more successful and abundant than other animals? A) High reproductive rate. B) Well-developed respiratory system. C) Capacity for complete metamorphosis. D) Capability of asexual and sexual reproduction. Show Answer Correct Answer: A) High reproductive rate. 23. Herbivores eat only meat. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. What percent of the Sun's radiant energy is used for photosynthesis? A) Less than 1%. B) 30%. C) 50%. D) 70%. Show Answer Correct Answer: A) Less than 1%. 25. An example of colonial association could be: A) Coral groups. B) Beehives. C) People living abroad in groups. D) Herds of elephants. Show Answer Correct Answer: A) Coral groups. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 14 Ecosystem Quiz 1Class 12 Biology Chapter 14 Ecosystem Quiz 2Class 12 Biology Chapter 14 Ecosystem Quiz 3Class 12 Biology Chapter 14 Ecosystem Quiz 4Class 12 Biology Chapter 14 Ecosystem Quiz 5Class 12 Biology Chapter 14 Ecosystem Quiz 6Class 12 Biology Chapter 14 Ecosystem Quiz 7Class 12 Biology Chapter 14 Ecosystem Quiz 8Class 12 Biology Chapter 14 Ecosystem Quiz 9Class 12 Biology Chapter 14 Ecosystem Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books