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Q. No.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%
From NCERT
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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%
From NCERT
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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%
From NCERT
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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%
From NCERT
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The ‘Earth Summit’ was held in:
| 1. | Ramsar, Iran | 2. | Rio, Brazil |
| 3. | Doha, Qatar | 4. | Geneva, Switzerland |
Subtopic: Biodiversity Conservation |
95%
From NCERT
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The exploration, discovery, and commercialization of valuable products or compounds derived from biological resources, particularly those found in nature is called as:
| 1. | Bioremediation | 2. | Biopiracy |
| 3. | Bioprospecting | 4. | Biofortification |
Subtopic: Biodiversity Conservation |
73%
From NCERT
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Which sociobiologist popularised the term ‘biodiversity’?
| 1. | Edward Wilson | 2. | Stephen Jay Gould |
| 3. | Richard Lewontin | 4. | Jahn Paul Scot |
Subtopic: Introduction & Types |
98%
From NCERT
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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: Magnitude of Biodiversity |
95%
From NCERT
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The ‘World Summit on Sustainable Development -2022’ was held in:
1. Ramsar, Iran
2. Rio, Brazil
3. Johannesburg, South Africa
4. Geneva, Switzerland
1. Ramsar, Iran
2. Rio, Brazil
3. Johannesburg, South Africa
4. Geneva, Switzerland
Subtopic: Biodiversity Conservation |
79%
From NCERT
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Consider the given three statements:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | The current mass extinction of species is the ‘Sixth Extinction’. |
| II: | The current species extinction rates are estimated to be 100 to 1,000 times faster than in the pre-human times. |
| III: | Our activities are responsible for the faster rates. |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Loss of Biodiversity |
92%
From NCERT
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