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Q. No.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: Magnitude of Biodiversity |
92%
Level 1: 80%+
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The largest extinct carnivore marsupial, thylacine, was a native of:
1. Brazil
2. South Africa
3. Peru
4. Australia
1. Brazil
2. South Africa
3. Peru
4. Australia
Subtopic: Loss of Biodiversity |
88%
Level 1: 80%+
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What percentage of world oxygen is thought to be created by Amazonian Rain Forests?
1. 10
2. 20
3. 50
4. 90
1. 10
2. 20
3. 50
4. 90
Subtopic: Biodiversity Conservation |
88%
Level 1: 80%+
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How many episodes of mass extinction of species have occurred before the current ongoing episode?
1. 3
2. 4
3. 5
6. 6
1. 3
2. 4
3. 5
6. 6
Subtopic: Loss of Biodiversity |
84%
Level 1: 80%+
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Which of the following approaches to conserve biodiversity is not an ex-situ approach?
1. Zoological parks and botanical gardens
2. Wildlife safari parks
3. Biosphere reserves
4. Seed banks
1. Zoological parks and botanical gardens
2. Wildlife safari parks
3. Biosphere reserves
4. Seed banks
Subtopic: In Situ Conservation of Biodiversity | Ex Situ Conservation of Biodiversity |
87%
Level 1: 80%+
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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: Magnitude of Biodiversity |
88%
Level 1: 80%+
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Alexander von Humboldt:
| 1. | was German and worked in South America and gave species-area relationship |
| 2. | was French and worked in South East Asia and gave species-area relationship |
| 3. | was English and worked in South East Asia and gave resource partitioning concept |
| 4. | was Spanish and worked in South America and gave character displacement concept |
Subtopic: Biodiversity Patterns |
91%
Level 1: 80%+
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Consider the given two statements:
| Assertion (A): | India has more biodiversity than Scandinavian countries. |
| Reason (R): | In general, there is a decrease in biodiversity from tropical latitudes to temperate latitudes. |
| 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 True, (R) is False |
| 4. | (A) is False, (R) is True |
Subtopic: Biodiversity Patterns |
78%
Level 2: 60%+
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Tilman in his experiments found that:
| 1. | Plots with more species showed less year to year variation in total biomass. |
| 2. | Plots with more species showed more year to year variation in total biomass. |
| 3. | Plots with less species showed less year to year variation in total biomass. |
| 4. | There is no relation between species diversity and biomass production. |
Subtopic: Importance of Biodiversity |
86%
Level 1: 80%+
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Nile perch has become invasive in:
| 1. | Lake Chilka | 2. | Lake Wular |
| 3. | Lake Victoria | 4. | Lake Sambhar |
Subtopic: Loss of Biodiversity |
92%
Level 1: 80%+
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