This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 15 Biodiversity And Conservation – Quiz 34 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 34 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A species is likely to become endangered soon. A) Threatened. B) Endangered. C) Extinct. D) Extirpated. Show Answer Correct Answer: A) Threatened. 2. The variety of ecosystems present in the biosphere A) Ecosystem diversity. B) Extinction. C) Species diversity. D) Genetic diversity. Show Answer Correct Answer: A) Ecosystem diversity. 3. These often reproduce in large numbers because of a lack of predators, and become over-powering in their new habitat. A) Biological Magnification. B) Acid precipitation. C) Eutrophication. D) Invasive (introduced) species. E) Pollution. Show Answer Correct Answer: D) Invasive (introduced) species. 4. Sixth extinction presently in progress is different from previous episodes, in which of the following ways? A) The current species extinction rates are 100 to 1000 times faster than in the pre-human times. B) The current species extinction rates are slower than in Dinosaur period. C) It is not true that extinction is currently taking place. D) None of the above. Show Answer Correct Answer: A) The current species extinction rates are 100 to 1000 times faster than in the pre-human times. 5. The law that protects biodiversity is ..... A) Government law. B) The endangered species Act. C) Index law. D) None of the above. Show Answer Correct Answer: B) The endangered species Act. 6. National parks, and sanctuaries, are examples of ..... type of biodiversity conservation. A) In-Situ. B) Ex-Situ. C) Axe-Situ. D) Fx-Situ. Show Answer Correct Answer: A) In-Situ. 7. ..... ecosystems can resist environmental change without losing function. A) Strong. B) Diverse. C) Resistant. D) None of the above. Show Answer Correct Answer: C) Resistant. 8. Which of the following is a consequence of habitat fragmentation on biodiversity? A) Increased genetic diversity. B) Decreased species interactions. C) Enhanced ecosystem stability. D) Improved resource availability. Show Answer Correct Answer: B) Decreased species interactions. 9. What is one way to reduce threats to biodiversity? A) Use of plastic bags. B) Hunting animals. C) Recycling materials. D) Urbanization. Show Answer Correct Answer: C) Recycling materials. 10. The number of different species in an area A) Aesthetic value. B) Genetic diversity. C) Biodiversity. D) Introduced species. Show Answer Correct Answer: C) Biodiversity. 11. Where are some of the unique ecosystems of the United States? A) In Pacific Northwest and California. B) In the Florida Everglades and Hawaii. C) Both of these are correct. D) None of these are correct. Show Answer Correct Answer: C) Both of these are correct. 12. Long-term ecosystem experiments to study biodiversity were conducted by: A) David Tilman. B) MacArthur. C) Jane Goodall. D) Raymond F. Dasmann. Show Answer Correct Answer: A) David Tilman. 13. Why is preserving the rainforest important? A) Because it is the largest forest in the world. B) Because it has the most diverse plant species. C) Because it is home to the most species of insects, amphibians, and birds. D) Because it has the highest amount of rainfall. Show Answer Correct Answer: C) Because it is home to the most species of insects, amphibians, and birds. 14. A species that is at serious risk of extinction is called a(n) A) Threatened species. B) Invasive species. C) Endangered species. D) Extirpated species. Show Answer Correct Answer: C) Endangered species. 15. I will conserve biodiversity since it helps me to get my unlimited supply of food. This is a A) Narrowly utilitarian argument of biodiversity conservation. B) Broadly utilitarian argument of biodiversity conservation. C) Ethical argument of biodiversity conservation. D) None of the above. Show Answer Correct Answer: A) Narrowly utilitarian argument of biodiversity conservation. 16. What human activities have influenced recent extinction events? A) Habitat destruction. B) Poaching. C) Introducing exotic species. D) All are correct. Show Answer Correct Answer: D) All are correct. 17. List the domain and kingdom based upon the following characteristics.Characteristics:-Multicellular-Eukaryotic-Mostly Autotrophic (photosynthetic)-Cell Walls-Develop from Spores or Seeds A) Domain:EukaryotaKingdom:Fungi. B) Domain:EukaryotaKingdom:Plantae. C) Domain:BacteriaKingdom:Plantae. D) Domain:EukaryotaKingdom:Protista. Show Answer Correct Answer: B) Domain:EukaryotaKingdom:Plantae. 18. A species is ..... to an area if it is found nowhere else in the world. A) Endemic. B) Mass extinction. C) Biodiversity hotspot. D) Treaty. Show Answer Correct Answer: A) Endemic. 19. How did the CITES treaty reduce the slaughter of elephants? A) (a) It offered a bounty to tribal leaders for identifying poachers. B) (b) It banned imports and exports of all ivory worldwide. C) (c) It limited sales of ivory ro the antique market. D) Both (a) and (c). Show Answer Correct Answer: B) (b) It banned imports and exports of all ivory worldwide. 20. What is one type of ecosystem? A) Desert. B) Forest. C) Mountain. D) Ocean. Show Answer Correct Answer: B) Forest. 21. A form of water pollution that destroys underwater habitats A) Eutrophication. B) Biological magnification. C) Acid precipitation. D) Bioremediation. Show Answer Correct Answer: A) Eutrophication. 22. Which applies to this environmental problem:Only 10% of Madagascar's forests remain due to deforestation. A) Habitat Loss. B) Invasive Species. C) Pollution. D) Population Growth. E) Overconsumption. Show Answer Correct Answer: A) Habitat Loss. 23. What do you call an ecosystem that is mature with growth and various trophic levels. A) Pioneer species. B) Climax community. C) Primary succession. D) Secondary succession. Show Answer Correct Answer: B) Climax community. 24. Members of Protista are primarily- A) Parasites. B) Terrestrial. C) Aquatic. D) Photosynthetic. Show Answer Correct Answer: C) Aquatic. 25. What does habitat loss lead to? A) Growth of new species. B) Balanced ecosystems. C) Increase in forest area. D) Displacement or destruction of biodiversity. Show Answer Correct Answer: D) Displacement or destruction of biodiversity. ← 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