This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 15 Biodiversity And Conservation – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... are all materials and organisms found in the biosphere, including minerals, fossil fuels, plants, animals, soil, clean water, etc. A) Natural resources. B) Renewable resources. C) Non-renewable resources. D) Pollutants. Show Answer Correct Answer: A) Natural resources. 2. What are abiotic elements in an ecosystem? A) Nonliving things in an ecosystem. B) Living things in an ecosystem. C) All the above. D) None of the above. Show Answer Correct Answer: A) Nonliving things in an ecosystem. 3. List the domain and kingdom based upon the following characteristics:-Most are Multicellular, some Unicellular-Eukaryotic-Heterotrophic (no photosynthesis)-Decomposers-Cell walls made of chitin A) Domain:EukaryotaKingdom:Protista. B) Domain:BacteriaKingdom:Fungi. C) Domain:Eukaryota Kingdom:Fungi. D) Domain:BacteriaKingdom:Eubacteria. Show Answer Correct Answer: C) Domain:Eukaryota Kingdom:Fungi. 4. Program that has helped return threatened species to the wild. A) Captive breeding. B) Poaching. C) Endemic species. D) Biotechnology. Show Answer Correct Answer: A) Captive breeding. 5. The ecosystem approach to conservation is partly based on the idea that A) All rare species should be relocated to regional preserves. B) Human needs are of secondary importance. C) Keystone species are genetically superior to other organisms. D) A healthy biosphere requires intact ecosystems. Show Answer Correct Answer: D) A healthy biosphere requires intact ecosystems. 6. A country that has a history of religious/cultural traditions that emphasized the protection of nature A) India. B) Russia. C) Philippines. D) Vatican City. Show Answer Correct Answer: A) India. 7. Which is NOT one of the three main levels of biodiversity? A) Species. B) Genetic. C) Ecosystem. D) General. Show Answer Correct Answer: D) General. 8. Which island has the most biodiversity? A) Close and small. B) Close and large. C) Far and small. D) Far and big. Show Answer Correct Answer: B) Close and large. 9. The separation of an ecosystem into small pieces of land A) Edge effect. B) Overexploitation. C) Habitat fragmentation. D) Mass extinction. Show Answer Correct Answer: C) Habitat fragmentation. 10. Which of the following organisms is most affected by biomagnification? A) Phytoplankton. B) Zooplankton. C) Fish. D) Hawk. Show Answer Correct Answer: D) Hawk. 11. Biodiversity relates to the variability among ..... A) Non-Living Organisms. B) Living Organisms. C) Both A and B. D) None of the above. Show Answer Correct Answer: B) Living Organisms. 12. What is habitat restoration? A) The process of taking action to bring a damaged habitat back to a healthy condition. B) The process of taking action to beautify a damaged habitat. C) All the above. D) None of the above. Show Answer Correct Answer: A) The process of taking action to bring a damaged habitat back to a healthy condition. 13. What does the designation "threatened" mean for species? A) Already extinct. B) Not at risk of becoming endangered. C) Guaranteed to thrive in the future. D) Likely to become endangered in the near future. Show Answer Correct Answer: D) Likely to become endangered in the near future. 14. One way that zoos and aquariums help increase wildlife populations is through A) Captive breeding programs. B) International biodiversity treaties. C) Conservation concessions. D) Wildlife corridors. Show Answer Correct Answer: A) Captive breeding programs. 15. What is a species that gives early warning signs of damage or danger to a community? A) Alert species. B) Warning species. C) Alarm species. D) Indicator species. Show Answer Correct Answer: D) Indicator species. 16. Some animals of Australia and South America show similarities because A) The animals could walk between the two continents in the Ice Age when the sea level was much lower. B) The similar climates of the continents produced similar patterns of evolution. C) The animals have not been affected by the introduction of other species. D) The animals have common ancestors from Gondwanaland. Show Answer Correct Answer: D) The animals have common ancestors from Gondwanaland. 17. True or false:An ecosystem with high genetic diversity is more sustainable than an ecosystem with low genetic diversity. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. Biodiversity hotspot can be described as what A) An area that has very high biodiversity. B) An area that has been completely depleted of 95% of its biodiversity. C) An area with high biodiversity of unique species and is threatened because of biodiversity loss. D) An area very important to people because it provides a service and is an economic boost to the local economy. Show Answer Correct Answer: C) An area with high biodiversity of unique species and is threatened because of biodiversity loss. 19. What is poaching? A) Legal protection of animals. B) Illegal hunting or capturing of wild animals. C) Farming wild species. D) Conservation of forests. Show Answer Correct Answer: B) Illegal hunting or capturing of wild animals. 20. Which Mass Extinction are we in the middle of? A) 1st. B) 4th. C) 6th. D) 10th. Show Answer Correct Answer: C) 6th. 21. This classification of risk means that the species is at serious risk of extinction. A) Threatened. B) Vulnerable. C) Endangered. D) Extinct. Show Answer Correct Answer: C) Endangered. 22. Species biodiversity is best described as ..... A) The number or variety of different species in a given area. B) The number or variety of different ecosystems there. C) The genetic differences of colors or sizes of organisms of the same species. D) All of these are correct. Show Answer Correct Answer: A) The number or variety of different species in a given area. 23. Materials or organisms found in the biosphere. A) Natural bio materials. B) Bio materials. C) Bio resources. D) Natural resources. Show Answer Correct Answer: D) Natural resources. 24. Any resource replaced by natural process more quickly than it is consumed. A) Renewable Resource. B) Nonrenewable Resource. C) All the above. D) None of the above. Show Answer Correct Answer: A) Renewable Resource. 25. Gradual process of a species becoming extinct. A) Background Extinction. B) Mass Extinction. C) Natural Resource. D) Overexploitation. Show Answer Correct Answer: A) Background Extinction. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 15 Biodiversity And Conservation Quiz 1Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 2Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 3Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 4Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 5Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 6Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 7Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 8Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 9Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books