Q. No.Identify the incorrect statement:
1.
Biodiversity is the term popularised by the sociobiologist Edward Wilson to describe the combined diversity at all levels of biological organisation.
2.
IUCN stands for International Union for Conservation of Nature and Natural resources.
3.
Robert May places the global species diversity in the range of 20 to 50 million.
4.
More than 25 percent of the drugs currently sold in the market are derived from the plants.
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| I | Narrowly utilitarian argument for conserving biodiversity | Humans derive countless direct benefits from nature. |
| II. | Broadly utilitarian argument for conserving biodiversity | We owe to millions of plant, animal and microbe species with whom we share this planet |
| III. | Ethical argument for conserving biodiversity | Biodiversity plays a major role in many ecosystem services that nature provides |
2. Only II and III
3. I, II and III
4. None
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On a logarithmic scale, the species-area relationship turns out to be a:
| 1. | Straight line | 2. | Rectangular hyperbola |
| 3. | Bell shaped | 4. | U shaped |
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Consider the given two statements:
| I: | Fragmentation of habitat is an important cause of extinction of species. |
| II: | Minor fluctuations in climate, resources or other factors can be catastrophic in small, isolated populations. |
1. Both I and II are correct and II explains I.
2. Both I and II are correct but II does not explain I.
3. I is correct but II is incorrect.
4. I is incorrect but II is correct.
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Sacred groves, found in Khasi and Jaintia Hills, are located in the Indian state of:
| 1. | Arunachal Pradesh | 2. | Chhattisgarh |
| 3. | Meghalaya | 4. | West Bengal |
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Which of the following is not an ex-situ method for conservation of biodiversity?
| 1. | Seed banks | 2. | Zoological parks |
| 3. | Sacred groves | 4. | Cryopreservation of gametes |
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The name of Alexander von Humboldt is associated with the concept of:
| 1. | Increased species diversity in stable communities |
| 2. | Parallelism between evolution and ecological succession |
| 3. | Resource-partitioning to avoid competition |
| 4. | Species-Area relationship |
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Lantana camara and Clarias gariepinus are examples of:
| 1. | Invasive species | 2. | Apex predators |
| 3. | Critical link species | 4. | Edge species |
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All the following describe a stable biological community except:
| 1. | It should always show a significant increase in productivity from year to year |
| 2. | It must be either resilient or resistant to occasional natural disturbances |
| 3. | It must be either resilient or resistant to occasional man-made disturbances |
| 4. | It must be resistant to invasion by alien species |
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Consider the two statements:
| I: | Species diversity seen in tropical areas is much lower than that seen in temperate areas. |
| II: | Temperate areas, unlike tropical areas are less seasonal, more constant and promote niche specialization. |
1. Both I and II are correct and II explains I.
2. Both I and II are correct but II does not explain I.
3. I is correct but II is incorrect.
4. Both I and II are incorrect.
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