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Q. No.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):
Biologists make a statistical comparison of the temperate-tropical species richness of an exhaustively studied group of insects and extrapolate this richness to other group of animals and plants and come up with a gross estimate of the total number of species on earth.
Reason (R):
Insects are the most successful living organisms among animals and plants.
In the light of the above statements, choose the most appropriate answer from the options given below :
1.
Both (A) and (R) are True but (R) does not explain (A).
2.
(A) is True but (R) is False.
3.
(A) is False but (R) is True.
4.
Both (A) and (R) are True and (R) explains (A).
Subtopic: Magnitude of Biodiversity |
61%
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Identify the correctly matched pairs:
1. Only I
2. Only II and III
3. I, II and III
4. None
| I | Narrowly utilitarian argument for conserving biodiversity | Humans derive countless direct benefits from nature. |
| II. | Broadly utilitarian argument for conserving biodiversity | We owe to millions of plant, animal and microbe species with whom we share this planet |
| III. | Ethical argument for conserving biodiversity | Biodiversity plays a major role in many ecosystem services that nature provides |
2. Only II and III
3. I, II and III
4. None
Subtopic: In Situ Conservation of Biodiversity | Ex Situ Conservation of Biodiversity |
67%
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The largest tiger reserve in India is:
1. Valmiki
2. Nagarjunsagar - Srisailam
3. Periyar
4. Nagarhole
1. Valmiki
2. Nagarjunsagar - Srisailam
3. Periyar
4. Nagarhole
Subtopic: In Situ Conservation of Biodiversity |
58%
NEET - 2013
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Subtopic: Loss of Biodiversity |
96%
From NCERT
NEET - 2013
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The map given in the picture below shows:
| 1. | Location of desert biomes on Earth |
| 2. | Hotspots of biodiversity |
| 3. | Sites of major earthquake disasters in the present century |
| 4. | Places on Earth where the threat to biodiversity is absent |
Subtopic: In Situ Conservation of Biodiversity |
82%
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Assertion(A): It is not easy to tell the exact number of species recorded on Earth.
Reason(R): There are published records of all the species discovered and named.
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. (A) is false, but (R) is true.
Reason(R): There are published records of all the species discovered and named.
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. (A) is false, but (R) is true.
Subtopic: Introduction & Types |
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Assertion(A): The conservation of biodiversity is a collective responsibility of all nations.
Reason(R): Biodiversity knows no political boundaries.
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. (A) is false, but (R) is true.
Reason(R): Biodiversity knows no political boundaries.
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. (A) is false, but (R) is true.
Subtopic: Biodiversity Conservation |
79%
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| Assertion (A): | There are three different zones in a biosphere reserve. |
| Reason (R): | Limited human activity is allowed in core zone. |
| 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 |
60%
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A more conservative and scientifically sound estimate made by Robert May places the global species diversity at about:
1. 1.8 million
2. 7 million
3. 22.22 million
4. 50 million
1. 1.8 million
2. 7 million
3. 22.22 million
4. 50 million
Subtopic: Magnitude of Biodiversity | Biodiversity Patterns |
91%
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Biodiversity hotspots are characterised by all the following features except:
| 1. | Presence of a large number of species |
| 2. | High degree of endemism |
| 3. | Mostly located in the tropical region |
| 4. | No threat of extinction of any species |
Subtopic: In Situ Conservation of Biodiversity |
82%
From NCERT
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