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Q. No.Maximum global diversity amongst the following is exhibited by:
| 1. | Mollusks | 2. | Echinoderms |
| 3. | Annelids | 4. | Crustaceans |
Subtopic: Â Magnitude of Biodiversity |
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The pie chart shows the magnitude of biodiversity in vertebrate taxa. Fishes are represented by the alphabet:
| 1. | A | 2. | C |
| 3. | D | 4. | B or E |
Subtopic: Â Magnitude of Biodiversity |
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A scientifically sound estimate made by Robert May places the global biodiversity at about:
| 1. | 2.1 million | 2. | 7 million |
| 3. | 15 million | 4. | 50 million |
Subtopic: Â Magnitude of Biodiversity |
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The number of mega-diversity countries in the world are [choose the NCERT number as your answer]:
| 1. | 4 | 2. | 8 |
| 3. | 12 | 4. | 17 |
Subtopic: Â Magnitude of Biodiversity |
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Consider the given two statements:
| Assertion (A): | There cannot be more than 2 million species on earth today. |
| Reason (R): | All species on earth have been identified and named. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is False, (R) is False |
| 4. | (A) is False, (R) is True |
Subtopic: Â Magnitude of Biodiversity |
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After angiosperms, which of the following plant groups shows maximum biodiversity?
1. Cycads
2. Algae
3. Mosses
4. Ferns and allies
1. Cycads
2. Algae
3. Mosses
4. Ferns and allies
Subtopic: Â Magnitude of Biodiversity |
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What is the approximate share of India in global species diversity?
| 1. | 2.1 % | 2. | 5 % |
| 3. | 8.1 % | 4. | 11.2 % |
Subtopic: Â Magnitude of Biodiversity |
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