Q. No.Although, India has only 2.4 % of world’s area, its share of global species diversity is about:
1.
3%
2.
5%
3.
8%
4.
11%
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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| 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. |
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
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| 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. |
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
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