Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 14 (25 MCQs)

Quiz Instructions

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1. What is a 1972 act to protect declining populations of marine mammals-prohibits the killing of all marine mammals in the US and prohibits the import/export of any marine mammal body parts (polar bears, sea otters, manatees, CA sea lions)?
2. Which animal is considered endangered?
3. What is the role of bees in the ecosystem?
4. What is the name for people who categorize organisms and give them their scientific names?
5. ..... includes thing like minerals, fossil fuels, plants, animals, clean water, and solar energy.
6. How many species are estimated to be on earth according to the passage?
7. Term Biodiversity was popularized by
8. At the international level, the United Nations has facilitated several ..... to promote biodiversity.
9. Which of the following have greater amphibian species diversity than the others?
10. What is a series of predictable stages of growth that a forest goes through-starting with bare rock?
11. Which type of organism dwarfs all others in terms of species diversity?
12. What is the edge effect?
13. Among the animal groups given below, which one has the highest percentage of endangered species?
14. Events when extinction rates far exceed to normal background rate.
15. Involves adding natural predators to a degraded ecosystem.
16. Which applies to this environmental problem:Humans produce an excessive amount of artificial light which can interfere with natural cycles of light/dark in an environment and can confuse animals.
17. What is habitat fragmentation?
18. What is the role of zoos in conservation?
19. Which type of organism is HIGHEST in terms of species diversity?
20. An example of animal cruelty is .....
21. What is the taxonomic/scientific name for tigers?
22. What is the number of different habitats available in a given area?
23. What is the purpose of biodiversity monitoring?
24. What is a US law giving USFWS power to designate species as endangered or threatened, monitor trade, and purchase land critical to these species' habitats?
25. According to most scientists, what is the ultimate cause of most mass extinctions?