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Q. No.IUCN stands for:
1. Indian Union for Conservation of Nature
2. International Union for Conservation of Nature
3. Indian Union for Chemical Nomenclature
4. International Union for Conservation of Nutrients
Subtopic: Introduction & Types |
92%
Level 1: 80%+
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The IUCN Red Data List (2004) in the last 500 years documents the extinction of nearly 784 species including:
1. 330 invertebrates
2. 338 invertebrates
3. 359 invertebrates
4. 362 invertebrates
1. 330 invertebrates
2. 338 invertebrates
3. 359 invertebrates
4. 362 invertebrates
Subtopic: Loss of Biodiversity |
70%
Level 2: 60%+
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Which one of the following groups faces maximum threat of extinction?
1. Gymnosperms
2. Birds
3. Amphibian
4. Mammals
1. Gymnosperms
2. Birds
3. Amphibian
4. Mammals
Subtopic: Loss of Biodiversity |
76%
Level 2: 60%+
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One of the ex-situ conservation methods for endangered species is
1. Biosphere reserves
2. National parks
3. Cryopreservation
4. Wildlife sanctuaries
1. Biosphere reserves
2. National parks
3. Cryopreservation
4. Wildlife sanctuaries
Subtopic: Ex Situ Conservation of Biodiversity |
78%
Level 2: 60%+
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Which of the following is/are cause(s) of biodiversity losses?
1. Over-exploitation, habitat loss and fragmentation
2. Climate change only
3. Over-exploitation only
4. Habitat loss and fragmentation only
1. Over-exploitation, habitat loss and fragmentation
2. Climate change only
3. Over-exploitation only
4. Habitat loss and fragmentation only
Subtopic: Loss of Biodiversity |
91%
Level 1: 80%+
NEET - 2023
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The species of plants that plays a vital role in controlling the relative abundance of other species in a community is called _______.
1. alien species
2. endemic species
3. exotic species
4. keystone species
1. alien species
2. endemic species
3. exotic species
4. keystone species
Subtopic: Importance of Biodiversity |
64%
Level 2: 60%+
NEET - 2023
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In 'rivet popper hypothesis', Paul Ehrlich compared the rivets in an airplane to
| 1. | species within a genus | 2. | genetic diversity |
| 3. | ecosystem | 4. | genera within a family |
Subtopic: Importance of Biodiversity |
67%
Level 2: 60%+
NEET - 2023
Hints
Among 'The Evil Quartet', which one is considered the most important cause driving extinction of species?
1. Co-extinctions
2. Habitat loss and fragmentation
3. Over exploitation for economic gain
4. Alien species invasions
1. Co-extinctions
2. Habitat loss and fragmentation
3. Over exploitation for economic gain
4. Alien species invasions
Subtopic: Loss of Biodiversity |
84%
Level 1: 80%+
NEET - 2023
Hints
The historic Convention on Biological Diversity, 'The Earth Summit' was held in Rio de Janeiro in the year :
| 1. | 2002 | 2. | 1985 |
| 3. | 1992 | 4. | 1986 |
Subtopic: Ex Situ Conservation of Biodiversity |
82%
Level 1: 80%+
NEET - 2023
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The Earth Summit was held in:
| 1. | Montreal, 1987 | 2. | Kyoto, 1997 |
| 3. | Rio de Janeiro, 1992 | 4. | Johannesburg, 2002 |
Subtopic: Ex Situ Conservation of Biodiversity |
91%
Level 1: 80%+
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