This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 14 Ecosystem – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 14 Ecosystem Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What type of symbiotic relationship benefits both species involved? A) Parasitism. B) Amensalism. C) Commensalism. D) Mutualism. Show Answer Correct Answer: D) Mutualism. 2. A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit. A) Mutualism. B) Parasitism. C) Commensalism. D) None of the above. Show Answer Correct Answer: A) Mutualism. 3. Food, water, sunlight, shelter, and space are resources that are ..... A) Limiting factors. B) Wet. C) Messy. D) Found in rocks. Show Answer Correct Answer: A) Limiting factors. 4. True/False:Based on the efficiencies you calculated for the previous three questions, this ecosystem is probably terrestrial. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 5. Which group contains only autotrophs? A) Grass, rose bush, photosynthetic bacteria. B) Elephants, fungi, fish. C) Snails, fungi, carnivores. D) Coral animals without algae. Show Answer Correct Answer: A) Grass, rose bush, photosynthetic bacteria. 6. A group of one or more species living in a certain habitat is called: A) Ecosystem. B) Habitat. C) City. D) Population. Show Answer Correct Answer: D) Population. 7. The quantity of water on Earth has not changed greatly over millions of years. Which inference is best supported by this observation? A) Water vapor evaporates in the air. B) Precipitation does not require an input of energy. C) Rates of evaporation have increased over time. D) The rate of precipitation is usually about equal to the rates of transpiration and evaporation. Show Answer Correct Answer: D) The rate of precipitation is usually about equal to the rates of transpiration and evaporation. 8. Which of the following ecosystems has a variety of different animals and plants? A) Marshes. B) Forests. C) Oceans. D) None of the above. Show Answer Correct Answer: B) Forests. 9. All of the following are examples of limiting factors for populations except A) Space. B) Food. C) Time. D) Weather. Show Answer Correct Answer: C) Time. 10. What is the relationship between the koala and the wombat according to the phylogenetic tree discussed? A) They are not related at all. B) Wombats are considered predators of koalas. C) Koalas are ancestors of wombats. D) They are closely related to each other. Show Answer Correct Answer: D) They are closely related to each other. 11. Abiotic or biotic factors that limit the size of the population; disease, competition, predators, drought, space, etc A) Abiotic factors. B) Biotic factors. C) Limiting factors. D) Carrying capacity. Show Answer Correct Answer: C) Limiting factors. 12. What is the definition of Habitat? A) A group of organisms of the same species in a particular area. B) The areas of the world where the same species is found. C) The place where an organism (animal, plant or microorganism) lives. D) A group of organisms of the same species in a particular area. Show Answer Correct Answer: C) The place where an organism (animal, plant or microorganism) lives. 13. Mushrooms are an example of a A) Fungi. B) Plant. C) Animal. D) Archaebacteria. Show Answer Correct Answer: A) Fungi. 14. A forest food chain contains a tree, grasshopper, lizard, bird, and wolf. Which organism(s) are consumers? A) All of the organisms. B) Wolf, lizard, and bird. C) Wolf. D) Wolf, lizard, bird, and grasshopper. Show Answer Correct Answer: D) Wolf, lizard, bird, and grasshopper. 15. A group of populations that inhabit the same area. A) Population. B) Community. C) Habitat. D) Environment. Show Answer Correct Answer: B) Community. 16. Interspecific competition is A) Different species competing for similar resources. B) The same species competing for exactly the same resources. C) Different species competing for the exactly the same resources. D) The same species competing for similar resources. Show Answer Correct Answer: A) Different species competing for similar resources. 17. A heterotroph is an organism which cannot synthesis its own food but depends on various external sources.The following are types of heterotrophs EXCEPT A) Saprotrophic. B) Chemotrophic. C) Holozioc. D) Parasitic. Show Answer Correct Answer: B) Chemotrophic. 18. Laney is asked to research an organism that performs denitrification. Which strategy is the most likely to be successful? A) Look for phytoplankton that perform photosynthesis. B) Look for ocean-dwelling organisms that perform chemosynthesis. C) Look for soil bacteria that convert atmospheric nitrogen to nitrates. D) Look for soil bacteria that convert nitrates to nitrogen gas. Show Answer Correct Answer: D) Look for soil bacteria that convert nitrates to nitrogen gas. 19. Organells that are only available in plant cells are A) Chloroplast, lysosomes, membrane cell. B) Chloroplast, cell wall, vacuole (large). C) Chloroplast, ribosomes, membrane cell. D) Chloroplast, flagella, membrane cell. Show Answer Correct Answer: B) Chloroplast, cell wall, vacuole (large). 20. Geosphere A) The gaseous layer surrounding Earth. B) The solid part of Earth:rocks, mountains, landforms, and the layers beneath Earth's surface. C) The liquid layer of Earth, including oceans and rivers. D) The biological component of Earth, including all living organisms. Show Answer Correct Answer: B) The solid part of Earth:rocks, mountains, landforms, and the layers beneath Earth's surface. 21. A fungus is found growing on dead leaves in the forest floor. The fungus is an example of a- A) Decomposer. B) Carnivore. C) Predator. D) Producer. Show Answer Correct Answer: A) Decomposer. 22. Extinction rate that exceeds the average extinction rate is called: A) Mass Extinction. B) Background Extinction. C) Succession. D) Evolution. Show Answer Correct Answer: A) Mass Extinction. 23. Which statement correctly describes an advantage and disadvantage of food chains and food webs? A) Food chains are more realistic, but food webs are simpler. B) Food chains show multiple feeding paths, but food webs show only one. C) Food chains are simple and show a single energy pathway, while food webs are more complex and realistic. D) Food chains include more organisms than food webs. Show Answer Correct Answer: C) Food chains are simple and show a single energy pathway, while food webs are more complex and realistic. 24. Madar and Hiptage seeds are pollinated by ..... ? A) Air. B) Insects. C) Water. D) Soil. Show Answer Correct Answer: A) Air. 25. What is the niche of decomposer in the soil?Apakah nic pengurai di dalam tanah? A) They serve as food for the consumerMereka merupakan makanan untuk pengguna. B) They feed all other organisms in the soilMereka memakan semua organisma di dalam tanah. C) They breakdown all dead organisms to provide nutrients to the soilMereka mengurai semua organisma untuk membekalkan nutrien kepada tanah. D) None of the above. Show Answer Correct Answer: C) They breakdown all dead organisms to provide nutrients to the soilMereka mengurai semua organisma untuk membekalkan nutrien kepada tanah. ← 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