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Q. No.Which one of the following groups faces maximum threat of extinction?
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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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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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
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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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
Hints
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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