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Q. No.Approximately, what number of species have been identified, named and studied?
1.
1.0 million
2.
1.5 million
3.
1.7 million
4.
2.0 million
Subtopic: Introduction & Types |
54%
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The greatest biodiversity on the earth is found in:
| 1. | African grasslands |
| 2. | Amazonian rain forest in South America |
| 3. | Western Ghats in India |
| 4. | Nile delta in Egypt |
Subtopic: Biodiversity Patterns |
93%
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The biodiversity hotspots in India include all the following except:
| 1. | Western Ghats and Sri Lanka | 2. | Indo-Burma |
| 3. | Himalayas | 4. | Deccan plateau |
Subtopic: In Situ Conservation of Biodiversity | Biodiversity Conservation |
90%
From NCERT
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What percent of earth’s area is covered by hotspots of biodiversity?
| 1. | less than 2 | 2. | about 7 |
| 3. | about 11 | 4. | more than 16 |
Subtopic: In Situ Conservation of Biodiversity |
82%
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According to your NCERT text, the number of biosphere reserves, national parks and wildlife sanctuary in India are respectively:
| 1. | 14, 90 and 448 | 2. | 11, 98 and 440 |
| 3. | 15, 101 and 403 | 4. | 13, 92 and 427 |
Subtopic: In Situ Conservation of Biodiversity |
88%
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Subtopic: Ex Situ Conservation of Biodiversity |
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The historic convention on Biological Diversity held in Rio de Janeiro in 1992 is known as:
| 1. | CITES Convention | 2. | The Earth Summit |
| 3. | G-16 Summit | 4. | MAB Programme |
Subtopic: Ex Situ Conservation of Biodiversity |
97%
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| Assertion (A): | There is a steady increase in species richness from the arctic to the tropics. |
| Reason (R): | Seasonal variation is substantially more in tropics than in arctics. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Biodiversity Patterns |
64%
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| Assertion (A): | Species diversity contributes to the well-being of an ecosystem. |
| Reason (R): | Rich biodiversity contributes to higher productivity of an ecosystem. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Importance of Biodiversity |
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| Assertion (A): | Ex-situ conservation, while helpful in humankind's efforts to sustain and protect our environment, is rarely enough to save a species from extinction. |
| Reason (R): | It is to be used as a last resort, or as a supplement to in-situ conservation. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Ex Situ Conservation of Biodiversity |
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