This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 14 Ecosystem – Quiz 40 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 14 Ecosystem Quiz 40 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The number of different species in the biosphere, or in a particular area A) Ecosystem Diversity. B) Genetic Diversity. C) Species Diversity. D) Biosphere diversity. Show Answer Correct Answer: C) Species Diversity. 2. Living things in an ecosystem. Includes plants, animals, and micro-organisms. A) Biotic. B) Population. C) Abiotic. D) Antibiotic. Show Answer Correct Answer: A) Biotic. 3. The conifers are A) Non-seed plants. B) Angiosperms. C) Gymnosperms. D) Ferns. Show Answer Correct Answer: C) Gymnosperms. 4. Tempat hidup yang spesifik dari setiap makhluk hidup disebut ..... A) Ekosistem. B) Habitat. C) Rumah tinggal. D) Wilayah. Show Answer Correct Answer: B) Habitat. 5. In a pond ecosystem diatoms are A) Decomposers. B) Primary consumers. C) Secondary consumers. D) Producers. Show Answer Correct Answer: D) Producers. 6. The lowest amount of an environmental factor that an organism can tolerate: A) Upper Limit. B) Lower Limit. C) Range of Tolerance. D) Invasive Species. Show Answer Correct Answer: B) Lower Limit. 7. Which group uses the sun's energy to make food? A) Producers. B) Consumers. C) Decomposers. D) Predators. Show Answer Correct Answer: A) Producers. 8. What does the term "terrestrial" mean? A) Water-based ecosystem. B) Land-based ecosystem. C) All the above. D) None of the above. Show Answer Correct Answer: B) Land-based ecosystem. 9. In an experiment, the variable we measure is called the A) Independent variable. B) Dependent variable. C) Control variable. D) Hidden variable. Show Answer Correct Answer: B) Dependent variable. 10. What is the role of lignotubers in some Australian plants? A) To store water during drought. B) To attract pollinators with bright colors. C) To produce flowers above ground. D) To send up new shoots after fire. Show Answer Correct Answer: D) To send up new shoots after fire. 11. What is the impact of habitat destruction on species diversity? A) Habitat destruction leads to an increase in species diversity. B) Habitat destruction has no impact on species diversity. C) Habitat destruction leads to a decline in species diversity and can result in extinction. D) Habitat destruction only affects plant species, not animals. Show Answer Correct Answer: C) Habitat destruction leads to a decline in species diversity and can result in extinction. 12. An autotroph is also called a ..... A) Consumer. B) Producer. C) Decomposer. D) Heterotroph. Show Answer Correct Answer: B) Producer. 13. What role did Linnaeus play in classification of organisms? A) He classified all life into plants and animals. B) He classified all life by where organisms lived. C) He started naming organisms using binomial nomenclature. D) He utilized DNA technology to form the modern system of naming. Show Answer Correct Answer: C) He started naming organisms using binomial nomenclature. 14. What term describes the ability of an organism or ecosystem to adapt after a disturbance? A) Tolerance. B) Resilience. C) Biodiversity. D) Niche. Show Answer Correct Answer: B) Resilience. 15. Which introduced species is mentioned as having been unsuccessful as a biological control? A) Beetles in sugarcane crops. B) Cane toads. C) Cactoblastus caterpillars. D) Prickly pear. Show Answer Correct Answer: B) Cane toads. 16. In order for two species within the same area to coexist, they may adapt by developing different specializations. This is known as ..... A) Character displacement. B) Character development. C) Character narrowing. D) Character enhancement. Show Answer Correct Answer: A) Character displacement. 17. What type of interdependence is exhibited by Rhizobium? A) Parasitism. B) Predation. C) Symbiosis. D) Decomposition. Show Answer Correct Answer: C) Symbiosis. 18. Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit. A) Mutualism. B) Parasitism. C) Commensalism. D) None of the above. Show Answer Correct Answer: A) Mutualism. 19. The carrying capacity for a population of lizards is 2700. If the current population is 1340 and the r$_{max }$for the population was found to be 0.83, what would the population size be after 1 year? A) 2356. B) 2100. C) 1825. D) 1900. Show Answer Correct Answer: D) 1900. 20. Di bawah ini yang menunjukkan rantai makanan yang benar adalah ..... A) Tumbuhan $\rightarrow$ ayam $\rightarrow$ serangga $\rightarrow$ kelinci $\rightarrow$ pengurai. B) Belalang $\rightarrow$ tumbuhan $\rightarrow$ kadal $\rightarrow$ ular $\rightarrow$ harimau. C) Tumbuhan $\rightarrow$ tikus $\rightarrow$ ular $\rightarrow$ elang $\rightarrow$ pengurai. D) Pengurai $\rightarrow$ tumbuhan $\rightarrow$ kadal $\rightarrow$ belalang $\rightarrow$ ular. Show Answer Correct Answer: C) Tumbuhan $\rightarrow$ tikus $\rightarrow$ ular $\rightarrow$ elang $\rightarrow$ pengurai. 21. For a food chain A B C D, If there are 50, 000KJ of E available in A, how much of that energy will be available for D? A) 5000. B) 500. C) 50. D) 5. Show Answer Correct Answer: C) 50. 22. What do the arrows in a food chain represent? A) The direction of energy flow. B) The availability of food. C) The predators in the ecosystem. D) The distribution of organisms. Show Answer Correct Answer: A) The direction of energy flow. 23. What is the main focus of Module 4 in Year 11 Biology? A) Ecosystem Dynamics. B) Genetics. C) Human Anatomy. D) Cellular Biology. Show Answer Correct Answer: A) Ecosystem Dynamics. 24. Sustainable development A) Using natural resources in ways that meet human needs now without harming future generations. B) Exploiting natural resources for immediate economic gain. C) Ignoring the needs of future generations for current benefits. D) Using resources in a way that depletes them for future use. Show Answer Correct Answer: A) Using natural resources in ways that meet human needs now without harming future generations. 25. What is the role of plants in a food chain? A) They decompose nutrients. B) They produce energy for the ecosystem. C) They are primary consumers. D) They are secondary consumers. Show Answer Correct Answer: B) They produce energy for the ecosystem. ← 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