This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 15 Biodiversity And Conservation – Quiz 32 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 32 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How does habitat destruction affect wildlife? A) Habitat destruction negatively impacts wildlife by causing habitat loss, food scarcity, population decline, and increased risk of extinction. B) Habitat destruction has no effect on wildlife populations. C) Wildlife thrives in areas that have experienced habitat destruction. D) Habitat destruction creates more food sources for wildlife. Show Answer Correct Answer: A) Habitat destruction negatively impacts wildlife by causing habitat loss, food scarcity, population decline, and increased risk of extinction. 2. An organism that is native to one specific geographic area. A) Common. B) Endemic. C) Endangered. D) Pandemic. Show Answer Correct Answer: B) Endemic. 3. Which of the below mentioned regions exhibit less seasonal variations A) Tropics. B) Temperate. C) Alpines. D) Both a and b. Show Answer Correct Answer: A) Tropics. 4. What role do protected areas play in biodiversity conservation? A) None of the above. B) Promote industrial development. C) Increase urban sprawl. D) Provide habitat for wildlife and help control deforestation. Show Answer Correct Answer: D) Provide habitat for wildlife and help control deforestation. 5. Tropical dense forest is characterized by: A) Low temperature and excess rain. B) High temperature and lesser rain. C) High temperature and excess rain. D) Wild animals like tigers, lions, beats, etc. Show Answer Correct Answer: C) High temperature and excess rain. 6. The diversification came about through which process? A) Natural selection. B) Genetic drift. C) Artificial selection. D) Mutation only. Show Answer Correct Answer: A) Natural selection. 7. Red list contains data or information on A) All economically important plants. B) Plants whose products are in international trade. C) Threatened species. D) Marine vertebrates. Show Answer Correct Answer: C) Threatened species. 8. Why is biodiversity so important? A) Because all species depend on each other to survive, so if one becomes extinct another species that relies on it could go extinct as well. B) Because it's better to have only one variation of each species. C) Because it better to only have a few species on Earth. D) Honestly, I have no idea what biodiversity is!. Show Answer Correct Answer: A) Because all species depend on each other to survive, so if one becomes extinct another species that relies on it could go extinct as well. 9. The ..... eats dead animals. A) Imperial eagle. B) Black vulture. C) Brown bear. D) Iberian wolf. Show Answer Correct Answer: B) Black vulture. 10. Which of the following is a potential consequence of overfishing? A) Increased biodiversity in marine ecosystems. B) Depletion of fish stocks and disruption of marine food webs. C) Improved water quality in oceans. D) Increased population of endangered species. Show Answer Correct Answer: B) Depletion of fish stocks and disruption of marine food webs. 11. Analyze the role of ecological restoration in enhancing biodiversity. Include specific strategies used in restoration projects. A) Ecological restoration decreases biodiversity by removing all species. B) Ecological restoration enhances biodiversity by reintroducing native species and removing invasive species. C) Ecological restoration has no impact on biodiversity. D) Ecological restoration focuses only on increasing the number of plant species. Show Answer Correct Answer: B) Ecological restoration enhances biodiversity by reintroducing native species and removing invasive species. 12. Analyze the role of keystone species in an ecosystem and provide an example of one such species. A) Keystone species have no significant role in ecosystems. B) Keystone species help maintain the structure of an ecosystem by controlling populations of other species; an example is the sea otter. C) Keystone species are only important in marine ecosystems. D) Keystone species are always predators. Show Answer Correct Answer: B) Keystone species help maintain the structure of an ecosystem by controlling populations of other species; an example is the sea otter. 13. What is one effect of overfishing on marine biodiversity? A) Increased fish populations. B) Decreased variety of marine species. C) Enhanced coral reef growth. D) More stable marine ecosystems.TagsDOK Level 2:Skill/Concept. Show Answer Correct Answer: B) Decreased variety of marine species. 14. True or False:Once extinct, a species will never naturally return. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. Which of the following is a consequence of losing biodiversity? A) Increased uniformity in genetic traits. B) Enhanced ecosystem resilience against environmental changes. C) Decreased ecosystem productivity and stability. D) More rapid evolution of new species.TagsDOK Level 2:Skill/Concept. Show Answer Correct Answer: C) Decreased ecosystem productivity and stability. 16. What are the benefits of biodiversity for human well-being? A) Biodiversity enhances ecosystem services, supports health, provides resources, and promotes cultural and recreational benefits. B) Biodiversity decreases ecosystem stability. C) Biodiversity has no impact on health. D) Biodiversity only benefits wildlife. Show Answer Correct Answer: A) Biodiversity enhances ecosystem services, supports health, provides resources, and promotes cultural and recreational benefits. 17. What is sustainable resource use and why is it necessary? A) Sustainable resource use is about maximizing profits from natural resources. B) Sustainable resource use is the complete depletion of natural resources for immediate needs. C) Sustainable resource use is the responsible management of natural resources to meet present and future needs. D) Sustainable resource use means using resources without any restrictions. Show Answer Correct Answer: C) Sustainable resource use is the responsible management of natural resources to meet present and future needs. 18. #1 cause of Biodiversity Loss is A) Habitat loss. B) Pollution. C) Invasisve species. D) Poaching/overharvesting. Show Answer Correct Answer: A) Habitat loss. 19. Technique using living organisms to detoxify a polluted area. A) Sustainable Use. B) Endemic. C) Bioremediation. D) None of the above. Show Answer Correct Answer: C) Bioremediation. 20. The variety of genes or inheritable characteristics that are present in a population compromises its: A) Genetic diversity. B) Species diversity. C) Biome diversity. D) Ecosystem diversity. Show Answer Correct Answer: A) Genetic diversity. 21. Evaluate the impact of pollution on aquatic biodiversity and suggest measures to reduce it. A) Pollution has no impact on aquatic biodiversity. B) Pollution decreases aquatic biodiversity by contaminating water bodies; measures include reducing industrial discharge and promoting clean-up initiatives. C) Pollution increases aquatic biodiversity by providing new habitats. D) Pollution only affects terrestrial biodiversity. Show Answer Correct Answer: B) Pollution decreases aquatic biodiversity by contaminating water bodies; measures include reducing industrial discharge and promoting clean-up initiatives. 22. Ecosystem biodiversity is best described as ..... A) The variety of different ecosystems there are in the biosphere. B) The different type of biomes there are. C) The different types of abiotic and biotic factors as well as climate within environments. D) All of these are correct. Show Answer Correct Answer: D) All of these are correct. 23. The excessive use of a species that has economic value A) Overexploitation. B) Habitat fragmentation. C) Habitat loss. D) Evolving species. Show Answer Correct Answer: A) Overexploitation. 24. It would function differently if the diversity was much less. A) Yes, it would function differently. B) No, it would function the same. C) It would stop functioning completely. D) It would function better. Show Answer Correct Answer: A) Yes, it would function differently. 25. What happens when species become extinct? A) A few are still alive. B) The adults are dead but some eggs still have not hatched. C) The whole species does not exist. D) The species do not exist in some parts of the world. Show Answer Correct Answer: C) The whole species does not exist. ← 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