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Q. No.Study the given picture and select the correct statements:
Statement I:
A is Clarias gariepinus and its introduction in Indian rivers is posing a threat to the indigenous catfishes.
Statement II:
B is Nile perch and its introduction into Lake Victoria in East Africa led to the extinction of an ecologically unique assemblage of more than 200 species of Cichlid fish in the lake.
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
Subtopic: Loss of Biodiversity |
84%
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What will be true for the portion highlighted in green in the map shown?
| I: | It is the Amazon rainforest area. |
| II: | It is called as the ‘lung’ of planet Earth. |
| III: | This area is very poor in biodiversity. |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
Subtopic: Biodiversity Patterns |
92%
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The given picture shows the Mawphlang Sacred Grove in East Khasi Hills.
1. Only Statement II is correct.
2. Only Statement III is correct.
3. Only Statement I and Statement III are correct.
4. Only Statement II and Statement III are correct.
| Statement I: | These hills are located in the state of Manipur. |
| Statement II: | They are in-situ method of biodiversity conservation. |
| Statement III: | Such sacred groves are also found in Aravalli Hills of Rajasthan, Western Ghats of Karnataka and Maharashtra, and the Surguja, Chanda and Bastar areas of Madhya Pradesh. |
2. Only Statement III is correct.
3. Only Statement I and Statement III are correct.
4. Only Statement II and Statement III are correct.
Subtopic: In Situ Conservation of Biodiversity |
80%
From NCERT
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Identify the incorrect statement:
| 1. | Biodiversity is the term popularised by the sociobiologist Edward Wilson to describe the combined diversity at all levels of biological organisation. |
| 2. | IUCN stands for International Union for Conservation of Nature and Natural resources. |
| 3. | Robert May places the global species diversity in the range of 20 to 50 million. |
| 4. | More than 25 percent of the drugs currently sold in the market are derived from the plants. |
Subtopic: Magnitude of Biodiversity |
90%
From NCERT
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| 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. |
| 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 |
60%
From NCERT
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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 |
55%
NEET - 2013
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Subtopic: Loss of Biodiversity |
96%
From NCERT
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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 |
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 |
From NCERT
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