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. |
Subtopic: Magnitude of Biodiversity |
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Amongst the vertebrates, the Class with maximum number of species is:
| 1. | Pisces | 2. | Reptilia |
| 3. | Aves | 4. | Mammalia |
Subtopic: Magnitude of Biodiversity |
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Consider the given two statements:
| Statement I: | Species inventories are more complete in temperate than in tropical countries. |
| Statement II: | Temperate countries, in general, have more biodiversity than the tropical countries. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Magnitude of Biodiversity |
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How many of the given statements are correct?
1. 0
2. 1
3. 2
4. 3
| I. | More than 70% of all the species recorded are animals. |
| II. | Among animals, insects are most species-rich taxonomic group. |
| III. | Angiosperms are more successful than algae and lichens put together. |
2. 1
3. 2
4. 3
Subtopic: Magnitude of Biodiversity |
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If we consider invertebrates, the maximum global biodiversity, after insects, is seen in:
| 1. | Crustaceans | 2. | Echinoderms |
| 3. | Mollusks | 4. | Annelids |
Subtopic: Magnitude of Biodiversity |
81%
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In the given pie chart showing the global biodiversity of vertebrates, the Amphibians and the Birds are respectively represented by:
| 1. | B and D | 2. | A and C |
| 3. | A and B | 4. | D and B |
Subtopic: Magnitude of Biodiversity |
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Consider the following statements:
1. Only I is correct
2. Only II and III are correct
3. Both I and III are correct
4. I, II and III are incorrect
| I: | Among invertebrates, maximum species richness is seen in insects |
| II: | Among vertebrates, maximum species richness is seen in mammals |
| III: | Among plants, algae have a greater diversity than angiosperms. |
1. Only I is correct
2. Only II and III are correct
3. Both I and III are correct
4. I, II and III are incorrect
Subtopic: Magnitude of Biodiversity |
73%
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Subtopic: Magnitude of Biodiversity |
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After insects and molluscs, the most diverse invertebrates are:
| 1. | Cnidarians | 2. | Echinoderms |
| 3. | Crustaceans | 4. | Annelids |
Subtopic: Magnitude of Biodiversity |
78%
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | Biologists are not sure about how many prokaryotic species there might be. |
| Statement II: | Conventional taxonomic methods are not suitable for identifying microbial species and many species are simply not culturable under laboratory conditions. |
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Magnitude of Biodiversity |
95%
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