This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 15 Biodiversity And Conservation – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Tigers living in warm climates have thinner coast of fur than tigers living in cool climates. This is a result of A) Genetic diversity. B) Species diversity. C) Ecosystem diversity. D) General diversity. Show Answer Correct Answer: A) Genetic diversity. 2. Which is the most direct way in which biodiversity can provide a source of income? A) Medicines. B) Ecotourism. C) Research. D) Agriculture. Show Answer Correct Answer: B) Ecotourism. 3. A region that includes tigers, eagles, lizards, fish, rabbits, and many other types of organisms would be described as having a high level of A) Taxonomic diversity. B) Genetic diversity. C) Ecosystem diversity. D) Species diversity. Show Answer Correct Answer: D) Species diversity. 4. High biodiversity in an ecosystem eliminates all diseases that could harm plants or animals. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 5. What role do protected areas play in conservation? A) Protected areas are designed to promote urban expansion. B) Protected areas play a crucial role in conserving biodiversity and ecosystems. C) Protected areas are mainly for agricultural development. D) Protected areas primarily serve as tourist attractions. Show Answer Correct Answer: B) Protected areas play a crucial role in conserving biodiversity and ecosystems. 6. Based on the passage, what is the typical range of Z values for species-area relationships regardless of the taxonomic group or region? A) 0.1 to 0.2. B) 0.6 to 1.2. C) 1.0 to 2.0. D) 0.2 to 0.6. Show Answer Correct Answer: A) 0.1 to 0.2. 7. The differences in DNA among individuals within species and populations is called (a) A) A. genetic diversity. B) Biome. C) Treaty. D) Biodiversity. E) Captive breeding. Show Answer Correct Answer: A) A. genetic diversity. 8. The variation in Rauwolfia vomitoria growing in different Himalayan regions is an example of A) Genetic diversity. B) Species diversity. C) Species diversity. D) None of the above. Show Answer Correct Answer: A) Genetic diversity. 9. How do Amphibians breath? A) Gills. B) Blow Hole. C) Gills and Lungs. D) Lungs. Show Answer Correct Answer: C) Gills and Lungs. 10. The variety of genes present in a population A) Genetic diversity. B) Ecosystem diversity. C) Extinction. D) Species diversity. Show Answer Correct Answer: A) Genetic diversity. 11. Any material or organism in the biosphere, including water, soil, fuel, and plants and animals. A) Background Extinction. B) Mass Extinction. C) Natural Resource. D) Overexploitation. Show Answer Correct Answer: C) Natural Resource. 12. The excessive use, or overuse, of a species, often leading to extinction. A) Overexcitation. B) Overexploitation. C) Overusification. D) Overbioviolation. Show Answer Correct Answer: B) Overexploitation. 13. What is the name of a common biodiversity index? A) Living. B) Carr. C) Elton. D) Simpson. Show Answer Correct Answer: D) Simpson. 14. The separation of a habitat into small pieces of land is called ..... A) Corridors. B) Habitat. C) Human interference. D) Habitat Fragmentation. Show Answer Correct Answer: D) Habitat Fragmentation. 15. The greatest threat to biodiversity is ..... A) Habitat descruction. B) Invasive species. C) Human overpopulation. D) Pollution. Show Answer Correct Answer: A) Habitat descruction. 16. How can education promote the conservation of biodiversity? A) Education promotes the conservation of biodiversity by raising awareness, teaching sustainable practices, and encouraging community involvement. B) Education has no impact on environmental issues. C) Education only focuses on economic growth without considering ecology. D) Education reduces biodiversity by promoting urban development. Show Answer Correct Answer: A) Education promotes the conservation of biodiversity by raising awareness, teaching sustainable practices, and encouraging community involvement. 17. According to May's global estimates, only ..... of the total species have been recorded so far. A) 30%. B) 10%. C) 22%. D) None of the above. Show Answer Correct Answer: C) 22%. 18. What global phenomenon has caused some organisms to move toward the poles or to higher altitudes? A) Habitat fragmentation. B) Pollution. C) Invasive species. D) Warming temperatures. Show Answer Correct Answer: D) Warming temperatures. 19. ..... is the number or variety of species in the world or in a particular region. A) Biodiversity. B) Genetic diversity. C) Species diversity. D) Extinctions. Show Answer Correct Answer: C) Species diversity. 20. Which of the following is NOT a type of protected area mentioned in the passage? Choose the correct option. A) Biosphere reserves. B) National parks. C) Wildlife sanctuaries. D) Zoos. Show Answer Correct Answer: D) Zoos. 21. The major cause of extinction is ..... A) Climate change. B) Habitat destruction. C) Pollution. D) Poaching. Show Answer Correct Answer: B) Habitat destruction. 22. Resources that are replaced by natural processes faster than they are consumed A) Nonrenewable resources. B) Renewable resources. C) Sustainable use. D) Endemic. Show Answer Correct Answer: B) Renewable resources. 23. Among the ecosystem services are control of floods and soil erosion. This is achieved by the biotic components of the ecosystem through: A) Binding the soil with plant roots. B) Increasing water runoff. C) Removing all vegetation. D) Adding pollutants to the soil. Show Answer Correct Answer: A) Binding the soil with plant roots. 24. Which of the following is not currently a major cause of species extinctions? A) Habitat destruction. B) Climate change. C) Overexploitation. D) Introduction of predators. Show Answer Correct Answer: B) Climate change. 25. Sustainable use means using resources at a rate in which they can be replaced or recycled while preserving the long-term environmental health of the biosphere. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← 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