This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 15 Biodiversity And Conservation – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the importance of genetic diversity? A) Genetic diversity is important because it increases the resilience, adaptability, and survival of species. B) Genetic diversity is not relevant to the survival of species. C) Genetic diversity reduces the adaptability of organisms. D) Genetic diversity causes increased competition among species. Show Answer Correct Answer: A) Genetic diversity is important because it increases the resilience, adaptability, and survival of species. 2. What is the impact of habitat destruction? A) It promotes biodiversity. B) It helps species thrive. C) It causes many animals and plants to lose their homes. D) It has no effect on ecosystems. Show Answer Correct Answer: C) It causes many animals and plants to lose their homes. 3. Which is NOT one of the five major causes of biodiversity loss. A) Habitat alteration/loss. B) Invasive species. C) Overharvesting. D) Cloning. Show Answer Correct Answer: D) Cloning. 4. What is considered the number one cause of extinction? A) Fragmentation. B) Pollution. C) Habitat loss. D) Global warming. Show Answer Correct Answer: C) Habitat loss. 5. What group of organisms are most in danger of extinction? A) Those will small populations. B) Those that migrate or need special habitats. C) Those with large populations that breed quickly. D) Both a and b. Show Answer Correct Answer: D) Both a and b. 6. Greater biological diversity of tropics than temperate regions is due to the A) Presence of more seasonal environment. B) Frequent glaciations in the past. C) Highly variable climate and availability of less solar energy in the past. D) Availability of more solar energy which contributes to higher productivity. Show Answer Correct Answer: D) Availability of more solar energy which contributes to higher productivity. 7. The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) and the Convention on Biological Diversity are examples of A) Agreements to promote wildlife tourism. B) Initiatives to ban all hunting activities. C) Laws to increase the number of species. D) Treaties to protect biodiversity. Show Answer Correct Answer: D) Treaties to protect biodiversity. 8. The LESS genetically diverse a population is, the better it can respond to environmental stressors A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 9. The illegal capture or killing of an organism, often for money, is called ..... A) Poaching. B) Harvesting. C) Fragementation. D) Extinction. Show Answer Correct Answer: A) Poaching. 10. Which threat to biodiversity includes poaching? A) Habitat Destruction. B) Invasive Species. C) Climate Change. D) Overexploitation. Show Answer Correct Answer: D) Overexploitation. 11. Invasive species are harmful because they: A) Reduce water pollution. B) Threaten endemic species. C) Increase biodiversity. D) Replace fossil fuels. Show Answer Correct Answer: B) Threaten endemic species. 12. Use of resources at a rate that they can be replaced or recycled. A) Sustainable Use. B) Endemic. C) Bioremediation. D) None of the above. Show Answer Correct Answer: A) Sustainable Use. 13. Hotspots in biodiversity are area where maximum: A) Diversity is found. B) Number of flora are found. C) Number of fauna are found. D) Natural resources are found. Show Answer Correct Answer: A) Diversity is found. 14. Which of the following is a direct human activity that threatens biodiversity? A) Photosynthesis. B) Pollution. C) Natural selection. D) Evolution. Show Answer Correct Answer: B) Pollution. 15. Species diversity ..... as we move away from the equator towards the poles. A) Increases. B) Decreases. C) First increases then decreases. D) First decreases then increases. Show Answer Correct Answer: B) Decreases. 16. Which of the following describes genetic diversity? A) Diversity at the ecosystem level. B) Diversity at the species level. C) Diversity at the genetic level over its distributional range. D) Diversity in the number of species in a region. Show Answer Correct Answer: C) Diversity at the genetic level over its distributional range. 17. Spanish brown bear ..... A) Eats big animals. B) Lives in North Pole. C) Is the largest bird. D) Spreads seeds from the fruit they eat. Show Answer Correct Answer: D) Spreads seeds from the fruit they eat. 18. What are the five major causes of biodiversity loss? A) Deforestation, climate change, farming, invasive species, pollution. B) Ocean acidification, invasive species, species extinction, over harvesting, climate change. C) Habitat alteration, invasive species, pollution, over harvesting, climate change. D) Climate change, urban sprawl, invasive species, over population, pollution. Show Answer Correct Answer: C) Habitat alteration, invasive species, pollution, over harvesting, climate change. 19. At the international level, the United Nations has facilitated several treaties to promote biodiversity. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. Which is NOT a type of diversity? A) Genetic. B) Species. C) Ecosystem. D) Hydroponics. E) Functional. Show Answer Correct Answer: D) Hydroponics. 21. The 8 levels of classification, most broad to most specific. A) Domain, Genus, Family, Order, Class, Phylum, Kingdom, Species. B) Domain, Species, Kingdom, Genus, Phylum, Family, Class, Order. C) Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species. D) Order, Kingdom, Species, Domain, Phylum, Family, Class, Genus. Show Answer Correct Answer: C) Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species. 22. A species at risk, but not yet endangered A) Endangered. B) Exotic. C) Endemic. D) Threatened. Show Answer Correct Answer: D) Threatened. 23. Which of the following is referred as "Evil Quartet" withreference to loss of biodiversity? A) Species richness. extinctions. deforestation, erosion. B) Habitat loss and fragmentation, over-exploitation, alien species invasion, co-extinction. C) Overexploitation. grazing, decomposition. extinction. D) Habitat destruction. co-extinction. deforestation.species richness. Show Answer Correct Answer: B) Habitat loss and fragmentation, over-exploitation, alien species invasion, co-extinction. 24. Variety of ecosystems in the biosphere. A) Genetic Diversity. B) Species Diversity. C) Ecosystem Diversity. D) None of the above. Show Answer Correct Answer: C) Ecosystem Diversity. 25. What is reforestation? A) The removal of trees from a forested area. B) The planting of trees in an area where the forest has been cut down. C) The natural decay of trees in a forest. D) The introduction of invasive species to a forest. Show Answer Correct Answer: B) The planting of trees in an area where the forest has been cut down. ← 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