This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 15 Biodiversity And Conservation – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. It happens when the ecosystem is healthy because there is a balance between living and non-living things. A) Non sustainable actions. B) Biodiversity. C) Sustainable ecosystem. D) None of the above. Show Answer Correct Answer: C) Sustainable ecosystem. 2. Which of the following is not a cause for loss of biodiversity A) Destruction of habitat. B) Invasion of alien species. C) Keeping animals in zoo logical parks. D) Over exploitation of natural resources. Show Answer Correct Answer: C) Keeping animals in zoo logical parks. 3. What is the affect of species diversity, as one moves from high to low altitudes. A) Increases. B) Decreases. C) First increases then decreases. D) First decreases then increases. Show Answer Correct Answer: A) Increases. 4. Which of the following is a potential downside to including corridors in reserve design? A) Edge effects may be enhanced in the corridor. B) High quality habitat in corridors may draw animals away from the core reserve. C) The type of land useful in corridor design is often hard to acquire. D) Corridors can exacerbate fragmentation. Show Answer Correct Answer: A) Edge effects may be enhanced in the corridor. 5. Illegal hunting A) Captive breeding. B) Ecotourism. C) Biotourism. D) Poaching. Show Answer Correct Answer: D) Poaching. 6. The cause / causes for species richness of tropics is / are A) Tropics had more evolutionary time. B) They receive more solr energy, hence more productivity. C) Less seasonal variation. D) All. Show Answer Correct Answer: D) All. 7. How do community efforts contribute to conservation? A) Community efforts only focus on economic benefits. B) Community efforts enhance conservation through local engagement, awareness, and resource mobilization. C) Community efforts hinder conservation by creating conflicts. D) Community efforts are irrelevant to conservation efforts. Show Answer Correct Answer: B) Community efforts enhance conservation through local engagement, awareness, and resource mobilization. 8. What is the likely consequence of the isolation of a land mass due to crustal plate movement? A) The extinction of most of the organisms. B) An increase in the biodiversity of the land mass. C) A decrease in the biodiversity of the land mass. D) The development of a unique collection of animals and plants. Show Answer Correct Answer: D) The development of a unique collection of animals and plants. 9. Which of the is NOT a component of biodiversity? A) Genetic diversity. B) Species diversity. C) Ecosystem diversity. D) Abotic diversity. Show Answer Correct Answer: D) Abotic diversity. 10. A method of using living things, such as bacteria, plants, or fungi, to remove toxins from a polluted area A) Nonrenewable resource. B) Bioremediation. C) Renewable resource. D) Sustainable use. Show Answer Correct Answer: B) Bioremediation. 11. What is the "Tragedy of the Commons" in the context of environmental science? A) A situation where shared resources are overused and depleted. B) A natural disaster affecting a large area. C) A successful conservation effort. D) A type of pollution affecting urban areas. Show Answer Correct Answer: A) A situation where shared resources are overused and depleted. 12. Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil? A) Boreal Forest. B) Tundra. C) Deciduous Forest. D) Grassland. Show Answer Correct Answer: D) Grassland. 13. The IUCN (International Union for Conservation of NatureAnd Natural Resources) has head quarters in: A) Brazil. B) Sweden. C) England. D) Switzerland. Show Answer Correct Answer: D) Switzerland. 14. What else could low biodiversity mean? A) The organisms that live here suffer. B) Our ecosystem is healthy and can recover from disruption quickly. C) A disruption to our ecosystem won't recover as quickly. D) Disruptions happen all the time and can easily be fixed. Show Answer Correct Answer: C) A disruption to our ecosystem won't recover as quickly. 15. This animal eats hervibores, wild boars and rabbits. A) Spanish brown bear. B) Black vulture. C) Iberian wolf. D) Imperial eagle. Show Answer Correct Answer: C) Iberian wolf. 16. The current rate of species extinction is A) Slower than at any other time in this century. B) Attributable to the actions of humans. C) The result of natural environmental processes. D) Of little consequence to Earth's long-term survival. Show Answer Correct Answer: B) Attributable to the actions of humans. 17. Increasing concentration of toxic substances, such as DDT, in organisms as trophic levels increase in food chains or food webs. A) Edge Effect. B) Biological Magnification. C) Eutrophication. D) Invasive Species. Show Answer Correct Answer: B) Biological Magnification. 18. The plants and animals of Australia had a unique evolution because the tectonic plate on which the continent is situated A) Is the oldest. B) Is the youngest. C) Was never attached to any other plate. D) Has been isolated for a long period. Show Answer Correct Answer: D) Has been isolated for a long period. 19. About tbe total number of species present on earth, amore conservative and scientifically sound estimate wasmade by A) Robert May. B) Robert Costanza. C) Alexander Von Humboldt. D) Both A and B. Show Answer Correct Answer: A) Robert May. 20. What does conservation involve? A) Promoting invasive species. B) Destruction of natural environments. C) Ignoring wildlife. D) Protection and management of natural environments. Show Answer Correct Answer: D) Protection and management of natural environments. 21. Which one of the following is an example of a "common" . A) National park. B) Private property. C) Wildlife preserve. D) Open oceans. Show Answer Correct Answer: D) Open oceans. 22. What conservation effort consists of genetically copying organisms to increase the population size A) Wildlife corridors. B) Conservation concessions. C) Captive breeding programs. D) Cloning. E) Species education. Show Answer Correct Answer: D) Cloning. 23. Chemicals from burning fossil fuels mix with the precipitation A) Eutrophication. B) Overexploitation. C) Acid precipitation. D) Edge effect. Show Answer Correct Answer: C) Acid precipitation. 24. An ecologist uses the term biodiversity for the variety of species of A) All living plants. B) All living animals. C) Both a and b. D) A, b and microbes in their natural habitat. Show Answer Correct Answer: D) A, b and microbes in their natural habitat. 25. What is the study of ecological relationships and community structure on islands? A) Island biogeography. B) Ecosystem biodiversity. C) Environmental Indicator. D) Island structure. Show Answer Correct Answer: A) Island biogeography. ← 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 8Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 9Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 10Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books