This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 14 Ecosystem – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 14 Ecosystem Quiz 29 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Non-living is called: A) Biotic. B) Abiotic. C) Rain. D) Temperature. Show Answer Correct Answer: B) Abiotic. 2. List three examples of non-living things in an ecosystem. A) Tree, grass, flowers. B) Birds, fish, insects. C) Sun, moon, stars. D) Rock, water, air. Show Answer Correct Answer: D) Rock, water, air. 3. Group of individuals of a species that live in the same area is called A) Species. B) Population. C) Biome. D) Ecosystem. Show Answer Correct Answer: B) Population. 4. A certain plant needs moisture, carbon dioxide, oxygen light, and minerals to survive. This scenario shows that a living organism depends on A) Biotic factors. B) Abiotic factors. C) Symbiotic relationships. D) Carnivore-herbivore relationships. Show Answer Correct Answer: B) Abiotic factors. 5. Which of the following describes a benefit of biodiversity to an ecosystem? A) Decreases the energy flow through the ecosystem. B) Increases the maximum number of trophic levels. C) Increases the maximum biomass of the ecosystem. D) Allows the ecosystem to withstand environmental changes. Show Answer Correct Answer: D) Allows the ecosystem to withstand environmental changes. 6. The two species, Paramecium aurelia and Paramecium caudatum, which do not prey upon each other, fighting to grow in the same test tube is an example of which of the following? A) Competition. B) Predation. C) Emigration. D) Immigration. Show Answer Correct Answer: A) Competition. 7. Jaring-jaring makanan adalah ..... A) Makan makanan yang berbentuk seperti jaring. B) Jaring-jaring yang berbentuk seperti makanan. C) Kumpulan dari beberapa rantai makanan yang saling berhubungan. D) Peristiwa makan dan dimakan dengan urutan dan arah tertentu. Show Answer Correct Answer: C) Kumpulan dari beberapa rantai makanan yang saling berhubungan. 8. What are the reactants for cellular respiration? A) Oxygen and lactic acid. B) Water and glucose. C) Carbon dioxide and water. D) Glucose and oxygen. Show Answer Correct Answer: D) Glucose and oxygen. 9. Carbon is used to make ..... during photosynthesis. A) Glucose (sugar). B) Sunlight. C) Dioxide. D) None of the above. Show Answer Correct Answer: A) Glucose (sugar). 10. Click Here to Access the ReadingGo to Reading 3According to READING 3, how much food is available in the area the African Buffalo go to in the wet season? A) 40-80 grams per square meter. B) 40-60 grams per square meter. C) 20-40 grams per square meter. D) 80-100 grams per square meter. Show Answer Correct Answer: D) 80-100 grams per square meter. 11. What is the role of decomposers in an Ecosystem? A) They recycle matter and nutrients to form fossil fuels. B) They are burn and release as carbon dioxide. C) Decomposers are responsible to turn oxygen into carbon dioxide. D) They recycle energy back to the sun. Show Answer Correct Answer: A) They recycle matter and nutrients to form fossil fuels. 12. A group of bunnies living in the forest is an example of a ..... A) Population. B) Ecosystem. C) Individual. D) Community. Show Answer Correct Answer: A) Population. 13. What did Maria Sibylla Merian focus on instead of preserved specimens? A) Fossils. B) Living insects. C) Rocks. D) Marine life. Show Answer Correct Answer: B) Living insects. 14. A human & a Tape Worm:The tape worm gets a place to live in the intestines of the human and food from the human. The human loses weight and nutrients from the tape worm. A) Mutualism. B) Commensalism. C) Parasitism. D) None of the above. Show Answer Correct Answer: C) Parasitism. 15. A stable ecosystem is one where A) The population numbers of each organism change at a predictable rate. B) The supply of resources in the physical environment changes at a predictable rate. C) Energy flows through the ecosystem at a fairly constant rate over time. D) All of the above. Show Answer Correct Answer: D) All of the above. 16. After a volcanic eruption, volcanic rock is present (but no soil). Which of the following states the most likely order of succession that would be seen? A) Lichens $\rightarrow$ Shrubs $\rightarrow$ Grasses $\rightarrow$ Trees. B) Lichens $\rightarrow$ tree $\rightarrow$ shrubs$\rightarrow$Grasses. C) Grasses $\rightarrow$ Lichens $\rightarrow$ Shrubs $\rightarrow$ Trees. D) Lichens $\rightarrow$ Grasses $\rightarrow$ Shrubs $\rightarrow$ Trees. Show Answer Correct Answer: D) Lichens $\rightarrow$ Grasses $\rightarrow$ Shrubs $\rightarrow$ Trees. 17. Explain the difference between a food chain and a food web. A) A food chain is a web of interconnected organisms, while a food web is a linear sequence of organisms. B) A food chain is a linear sequence of organisms, while a food web is a more complex network of interconnected food chains. C) A food chain is more complex than a food web. D) A food chain involves only producers, while a food web involves only consumers. Show Answer Correct Answer: B) A food chain is a linear sequence of organisms, while a food web is a more complex network of interconnected food chains. 18. Does the energy get lower or higher when it is transferred through each animal? A) It gets higher. B) It gets lower. C) All the above. D) None of the above. Show Answer Correct Answer: B) It gets lower. 19. Food chain:algae>plankton>blue whaleWhich of the following is the primary producers? A) Algae. B) Plankton. C) Blue whale. D) None. Show Answer Correct Answer: A) Algae. 20. The plant kingdom is divided into two main groups: A) Flowering & non-flowering. B) Spores & seeds. C) Trees & plants. D) Conifers & flowering plants. Show Answer Correct Answer: B) Spores & seeds. 21. Some bacteria can capture energy from inorganic molecules such as hydrogen sulfide. These bacteria use a process called A) Chemosynthesis. B) Photosynthesis. C) Carbon cycle. D) None of the above. Show Answer Correct Answer: A) Chemosynthesis. 22. How do invasive species impact ecosystems? A) The increase density dependent limiting factors. B) They establish themselves as new keystone species in an area. C) The open up new niches in the ecosystem. D) They outcompete native species and overpopulate the area. Show Answer Correct Answer: D) They outcompete native species and overpopulate the area. 23. Which of the following is an example of a heterotrophic organism? A) Humans. B) Algae. C) Mosses. D) Ferns. Show Answer Correct Answer: A) Humans. 24. Explain the concept of a food chain. A) A food chain is a series of organisms, each dependent on the next as a source of food. B) A food chain is a series of restaurants serving different types of cuisine. C) A food chain is a method of organizing grocery items in a store. D) A food chain is a type of necklace made from food items. Show Answer Correct Answer: A) A food chain is a series of organisms, each dependent on the next as a source of food. 25. Which of the following is not part of the classification community? A) Fox. B) Tree. C) Sun. D) Bear. Show Answer Correct Answer: C) Sun. ← 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