This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 14 Ecosystem – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 14 Ecosystem Quiz 28 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How can models help in conservation policy? A) By creating video games. B) By predicting the lottery numbers. C) By informing conservation policy with predictions. D) By entertaining the public. Show Answer Correct Answer: C) By informing conservation policy with predictions. 2. True or False:Bacteria are important in an ecosystem for breaking down dead and decaying matter. A) X. B) True. C) False. D) X. Show Answer Correct Answer: B) True. 3. Having a wide variety and lots of different species (like that in a rain forest) is called: A) Biodiversity. B) Species Richness. C) Phylogeny. D) Systematics. Show Answer Correct Answer: A) Biodiversity. 4. Below is an example of a simple food chain.Acorn $\rightarrow$ Squirrel $\rightarrow$ Fox $\rightarrow$ Mountain Lion What will most likely happen if squirrels are removed from the food chain? A) The fox will eat acorns. B) The fox population will decrease. C) The trees will produce fewer acorns. D) The mountain lion population will increase. Show Answer Correct Answer: B) The fox population will decrease. 5. An ecologist who studies how several species in an area interact with one another and with the abiotic parts of the environment is interested in the biological organization level called a(n) ..... A) Organism. B) Population. C) Community. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 6. Lichen is a pioneer species in which type of succession? A) Primary. B) Secondary. C) Both. D) None of the above. Show Answer Correct Answer: A) Primary. 7. This is the study of interactions between organisms and the interactions that organisms have with their environment. A) Evolution. B) Ecology. C) Biology. D) Commensalism. Show Answer Correct Answer: B) Ecology. 8. The process by which a large habitat gets broken into small pieces by disturbance. A) Biome. B) Longitude. C) Eutrophication. D) Habitat Fragmentation. Show Answer Correct Answer: D) Habitat Fragmentation. 9. From an ecological perspective, everything living beings need to obtain from their environment is known as: A) Necessity. B) Demand. C) Resource. D) Requirement. Show Answer Correct Answer: C) Resource. 10. Which process do plants use to take in carbon dioxide? A) Photosynthesis. B) Cellular respiration. C) Fermentation. D) Transpiration. Show Answer Correct Answer: A) Photosynthesis. 11. The stable ecosystem that develops due to succession is called ..... A) Niche. B) Habitat. C) Forest. D) Climax community. Show Answer Correct Answer: D) Climax community. 12. The average global extinction rate for life calculated with all fossil evidence. A) Mass Extinction. B) Background Extinction. C) Succession. D) Evolution. Show Answer Correct Answer: B) Background Extinction. 13. What does a biogeochemical cycle involve? A) The movement of water in the atmosphere. B) The interactions of matter in the biosphere, geosphere, and atmosphere. C) The flow of energy in ecosystems. D) The growth of plant life. Show Answer Correct Answer: B) The interactions of matter in the biosphere, geosphere, and atmosphere. 14. Which adaptation do ferns, gymnosperms, and angiosperms have that mosses do not have? A) Chloroplasts. B) Flowers. C) Stomata. D) Vascular tissue. Show Answer Correct Answer: D) Vascular tissue. 15. Which of the following correctly orders the levels of organization of an ecosystem from simplest to most complex? A) Individual, population, community, ecosystem. B) Individual, community, population, ecosystem. C) Ecosystem, community, population, individual. D) Community, population, individual, ecosystem. Show Answer Correct Answer: A) Individual, population, community, ecosystem. 16. Which of the following is an aquatic habitat? A) Desert. B) Tropical rainforest. C) Frozen Arctic. D) Coral reef. Show Answer Correct Answer: D) Coral reef. 17. What makes a species invasive? A) Moving to a new ecosystem and taking resources from natives. B) Not having papers. C) Species that can't adapt. D) Plants that take up too much space. Show Answer Correct Answer: A) Moving to a new ecosystem and taking resources from natives. 18. A botanist is a scientist who studies ..... A) Animals. B) Spaghetti. C) Plants. D) Dogs. Show Answer Correct Answer: C) Plants. 19. Peristiwa makan dan dimakan dengan suatu urutan dan arah tertentu dalam suatu ekosistem disebut ..... A) Rantai makanan. B) Jaring-jaring makanan. C) Simbiosis. D) Piramida makanan. Show Answer Correct Answer: A) Rantai makanan. 20. The levels of the ecosystem are: A) Biosphere, individual organism, community, ecosystem, population. B) Individual organism, population, community, ecosystem, biosphere. C) Individual organism, community, ecosystem, population, biosphere. D) Ecosystem, community, biosphere, individual organism, population. Show Answer Correct Answer: B) Individual organism, population, community, ecosystem, biosphere. 21. Secondary consumers get energy from A) Eating consumers who eat producers. B) Eating producers. C) Converting light energy from the sun to chemical energy. D) Consuming dead or decaying matter. Show Answer Correct Answer: A) Eating consumers who eat producers. 22. Which factor can affect enzyme activity by altering its shape? A) Light intensity. B) PH level. C) Sound waves. D) Magnetic fields. Show Answer Correct Answer: B) PH level. 23. What role do dominant primary producers play in an ecosystem? A) They consume the most resources. B) They are the largest species. C) They regulate the climate. D) They convert inorganic to organic matter. Show Answer Correct Answer: D) They convert inorganic to organic matter. 24. What defines a community in ecology? A) A group of interacting populations of different species. B) Interactions between abiotic factors only. C) A collection of similar ecosystems. D) A single species population in an area. Show Answer Correct Answer: A) A group of interacting populations of different species. 25. A scientist who studies the interaction between organisms and their environments A) Biologist. B) Zoologist. C) Geologist. D) Ecologist. Show Answer Correct Answer: D) Ecologist. ← 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