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Class 12 Biology Chapter 15 Biodiversity And Conservation Quiz 12 (60 MCQs)

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1. Numbers are declining, best describes a species that is .....
2. The sum total of all organisms in an area, taking into account the variety of species, their genes, their populations, and their communities, is called .....
3. Ecotourism is a form of tourism that supports the conservation and sustainable development of ecologically unique areas.
4. An ENDEMIC species is only found in one specific geographic location.
5. What is common to the following plants:Nepenthes, Psilotum, Rauwolfia, Acotinum
6. Humans benefit from the diversity of life in which of the following ways?
7. Provides functioning ecosystem that supply oxygen, clean air and water, pollination of plants, pest control, waste water treatment and many ecosystem services.
8. Which one of the following is an example of alien species invading a new ecosystem resulting in biodiversity losses
9. Numbers are very low, Close to extinction, best describes a species that is .....
10. Which of the following is not an outcome of human-wildlife conflict?
11. A species-area relation is used by ecologists to-
12. What is the main focus of supporting conservation projects?
13. According to the passage, what is the main reason for the accelerated rates of species extinctions in the world today?
14. The imperial eagle eats .....
15. Which of the following is considered a hotspot of Biodiversity in India?
16. Which of the following is a tool used by biodiversity scientists?
17. Which of the following is the largest taxon among plants in terms of the number of species
18. What would Earth be like without the greenhouse effect?
19. Scientists think people have directly caused the extinction of some species through .....
20. An event in which a large percentage of all living species become extinct in a relatively short period of time is called .....
21. The U.S. has signed the Biodiversity Treaty. Have they ratified it and made it law?
22. Which is the highest level of biodiversity?
23. What is the latitudinal range of the tropics mentioned in the passage?
24. Preserving entire ecosystems rather than individual species is a good conservation strategy because
25. The variety of genes or inheritable characteristics that are present in a population
26. Type of biodiversity that refers to all the different genes contained within all members of a population:
27. Populations with more genetic diversity are less able to cope with environmental change.
28. What is a species that has a larger impact on the community, if removed, than other species?
29. Archaeological evidence shows that in case after case, a wave of (a) followed whenever humans arrived on islands and continents.
30. Secondary succession begins
31. List the following domain and kingdom based upon the following characteristics:-Unicellular-Prokaryotic-Autotroph or Heterotroph-Asexual Reproduction-Lack Many Membrane Bound Organelles
32. How do human activities negatively impact biodiversity?
33. Greenbelts or hedgerows that provide natural corridors for migration, foraging and spreading of local species are known as
34. Acid rain is harmful to biodiversity because it:
35. One out of the following is not responsible for biodiversity loss
36. The conservation of species takes place off-site i.e away from their natural habitat, these species are shifting and protected in a new ecosystem is called as ..... biodiversity conservation.
37. Which types of renewable energy are most likely to impact habitats?
38. What inspired the design of the Eastgate Centre in Zimbabwe?
39. Tropical area has all the following characteristics, except
40. If current trends continue, the modern geologic era, known as the Quaternary period, may see the extinction of
41. Which of the following is not an invasive alien species in the Indian context
42. Taxonomists are the scientists who classify species.
43. Alexander Von Humboldt observed that within a region species richness increased with increasing ..... but only up to a limit.
44. Such great diversity existed throughout earth's history.
45. Define endemism as mentioned in the passage.
46. Activities such as camping in wilderness areas.
47. All of the following are included in exsitu conservation except
48. Among animals, ..... are the most species rich taxonomic group.
49. Species richness generally increases toward the poles.
50. Why is ecosystem diversity important?
51. Ecological diversity refers to diversity at which level?
52. Fill in the blank:The IUCN Red List (2004) documents the extinction of ..... species in the last 500 years.
53. The number of different species and the relative abundance of each species in a biological community is called:
54. Fill in the blank:More than ..... million species have been recorded in the world, but there might still be nearly 6 million species on earth waiting to be discovered.
55. What is the term used when alien species are introduced unintentionally or deliberately and cause decline or extinction of indigenous species?
56. A situation where we deliberately want to make a species extinct is justified when:
57. The species confined to a particular region and not found elsewhere is termed as
58. Why do most marine food chains rarely have more than four trophic levels?
59. This is a place where flowers, fruits, and vegetables are grown.
60. It is often difficult to save individual species because
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