Which of the following is not a reason that accounts for greater biodiversity of tropics?
1. | availability of more solar energy |
2. | more niche specialization |
3. | more time for species diversification |
4. | large seasonal variations in environmental factors |
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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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Biodiversity loss is now one of the world’s most pressing crisis. The primary reason for this is that:
1. | we cannot do anything about it |
2. | we are not responsible for this loss |
3. | we still do not know its entire extent |
4. | it is only affecting the developing countries |
Identify the incorrectly matched pair:
1. Kaziranga national park - one horned rhinoceros
2. Keoladeo national park - siberian cranes
3. Dachigam national park - hangul or kashmiri stag
4. Manas national park - great Indian bustard
The first biosphere reserves established in India was:
1. | Nilgiri | 2. | Kanchenjunga |
3. | Gulf of Mannar | 4. | Sunderbans |
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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