This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 15 Biodiversity And Conservation – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When a species goes extinct in just one area it is called A) Endemic. B) Extirpation. C) Extinction. D) Inbreeding. Show Answer Correct Answer: B) Extirpation. 2. List the Domain and Kington based upon the following characteristics:-Eukaryotic-Mostly Unicellular, some Multicellular-Some are colonial (live in groups)-Heterotrophic or Autotrophic-Usually live in water-Usually move using cilia or flagella. A) Domain:EukaryotaKingdom:Eubacteria. B) Domain:EukaryotaKingdom:Plantae. C) Domain:Bacteria Kingdom:Eubacteria. D) Domain:EukaryotaKingdom:Protista. Show Answer Correct Answer: D) Domain:EukaryotaKingdom:Protista. 3. What is the role of seed banks in biodiversity conservation? A) Seed banks play a crucial role in biodiversity conservation by preserving genetic diversity and providing a safeguard against the extinction of plants. B) Seed banks are used for storing grains for human consumption. C) Seed banks have no role in biodiversity conservation. D) Seed banks are used for storing animal seeds. Show Answer Correct Answer: A) Seed banks play a crucial role in biodiversity conservation by preserving genetic diversity and providing a safeguard against the extinction of plants. 4. Speciation is generally a function of A) Area. B) Volume. C) Time. D) None of the above. Show Answer Correct Answer: A) Area. 5. Which aspect of plate activity has contributed least to global biodiversity? A) The separation of continental land masses. B) The formation of volcanic islands. C) The movement of land masses to new latitudes. D) The release of minerals on the deep ocean floor. Show Answer Correct Answer: D) The release of minerals on the deep ocean floor. 6. A place that stores seeds to preserve their genes for the future is called a/n ..... A) Botanical preserve. B) Plant depository. C) Seed bank. D) Herbarium. Show Answer Correct Answer: C) Seed bank. 7. People in more developed countries, like America and Europe, use less natural resources than people in less developed countries, like Africa. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 8. According to May's global estimates how many species of plants and animals, respectively, are yet to be discovered and described from India? A) 50, 000 and 90, 000. B) 3, 00, 000 and 90, 000. C) 3, 00, 000 and 1, 00, 000. D) 1, 00, 000 and 3, 00, 000. Show Answer Correct Answer: D) 1, 00, 000 and 3, 00, 000. 9. Nearly how many species of plants have been recorded from India? A) Nearly 45, 000 species of plants have been recorded from India. B) Nearly 10, 000 species of plants have been recorded from India. C) Nearly 1, 00, 000 species of plants have been recorded from India. D) Nearly 5, 000 species of plants have been recorded from India. Show Answer Correct Answer: A) Nearly 45, 000 species of plants have been recorded from India. 10. What is the variety of ecosystems that are present in the biosphere? A) Species diversity. B) Genetic diversity. C) Ecosystem diversity. D) Biodiversity. Show Answer Correct Answer: C) Ecosystem diversity. 11. Which of the following would be most effective in slowing the loss of biodiversity? A) Freezing fertilized eggs of endangered animals in case the species become extinct in the wild. B) Setting aside small plots of land in a variety of ecosystems, such as forests, grasslands, and marshes. C) Creating large parks/preserves in biodiversity hotspots. D) Requiring every country to maintain a seed bank. Show Answer Correct Answer: C) Creating large parks/preserves in biodiversity hotspots. 12. Some scientists believe that we are in a period of mass extinction because a large percentage of all living species are being hit by comets everyday. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 13. What is the significance of biocultural approaches mentioned in the text? A) Integrating human cultural aspects into conservation. B) Focusing only on technological solutions. C) Ignoring human impact. D) None of the above. Show Answer Correct Answer: A) Integrating human cultural aspects into conservation. 14. Which of the following is NOT a region of high biodiversity hotspot in India? A) Western Ghats. B) Indo-Burma. C) Sahara Desert. D) Himalaya. Show Answer Correct Answer: C) Sahara Desert. 15. Which of the following statements is incorrect regarding biodiversity A) Biodiversity deals with biological and geographical units such as genes, chromosomes, species, families and biogeography regions. B) Biodiversity is an addition sum of genetic, taxonomic and ecosystem diversity. C) It is a measure of the amount of resources shared by human population. D) None of these. Show Answer Correct Answer: C) It is a measure of the amount of resources shared by human population. 16. Biodiversity loss occurs due to-A. Habitat loss and fragmentationB. Co-extinctionC. over-exploitationD. Alien species invasion. A) A, B. B) A, B, C. C) B, C, D. D) A, B, C, D. Show Answer Correct Answer: D) A, B, C, D. 17. What is a major consequence of poaching? A) Increase in animal population. B) Reforestation. C) Extinction of animal species. D) Increase in biodiversity. Show Answer Correct Answer: C) Extinction of animal species. 18. Patches of suitable habitat surrounded by unsuitable habitat A) Habitat fagmentation. B) Habitat islands. C) Wildlife corridors. D) Habitat patches. Show Answer Correct Answer: A) Habitat fagmentation. 19. The higher the biodiversity, the more sustainable an ecosystem is A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. A human activity that causes habitat fragmentation is A) Urban development. B) Soil erosion. C) Desertification. D) None of the above. Show Answer Correct Answer: A) Urban development. 21. The major causes of species losses in a geographical region include: A) Habitat destruction, pollution, overexploitation, and invasive species. B) Increased rainfall and soil fertility. C) Expansion of protected areas and wildlife reserves. D) Genetic mutations leading to stronger populations. Show Answer Correct Answer: A) Habitat destruction, pollution, overexploitation, and invasive species. 22. The United States laws that protect endangered species A) Are considered to the strongest in the world. B) Are much weaker than the legal protections in most other countries. C) Are rarely enforced. D) Apply to only 10 species of animals and about 20 species of plants. Show Answer Correct Answer: A) Are considered to the strongest in the world. 23. Which type of coastline would probably support greater species diversity-a rocky, tree-lined coast, or a coast consisting mostly of beach sand? A) Rocky coast. B) Beach sand. C) All the above. D) None of the above. Show Answer Correct Answer: A) Rocky coast. 24. What can students do to help conserve biodiversity? A) Litter in parks. B) Learn about endangered species and share information. C) Waste water. D) Cut down trees. Show Answer Correct Answer: B) Learn about endangered species and share information. 25. The excessive use of species that have economic value is known as A) Pollution. B) Habitat destruction. C) Over-exploitation. D) Climate change. Show Answer Correct Answer: C) Over-exploitation. ← 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