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Q. No.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: Â Ex Situ Conservation of Biodiversity |
 76%
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NEET - 2023
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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: Â Loss of Biodiversity |
 81%
From NCERT
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: Â Importance of Biodiversity |
 64%
From NCERT
NEET - 2023
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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: Â Loss of Biodiversity |
 89%
From NCERT
NEET - 2023
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Habitat loss and fragmentation, over-exploitation, alien species invasion and co-extinction are causes for :
1. Natality
2. Population explosion
3. Competition
4. Biodiversity loss
1. Natality
2. Population explosion
3. Competition
4. Biodiversity loss
Subtopic: Â Loss of Biodiversity |
 89%
From NCERT
NEET - 2022
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Which of the following is not a method of ex situ conservation?
1. Cryopreservation
2. In vitro fertilization
3. National Parks
4. Micropropagation
1. Cryopreservation
2. In vitro fertilization
3. National Parks
4. Micropropagation
Subtopic: Â Ex Situ Conservation of Biodiversity |
 76%
From NCERT
NEET - 2022
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In-situ conservation refers to:
1. Conserve only extinct species
2. Protect and conserve the whole ecosystem
3. Conserve only high risk species
4. Conserve only endangered species
1. Conserve only extinct species
2. Protect and conserve the whole ecosystem
3. Conserve only high risk species
4. Conserve only endangered species
Subtopic: Â In Situ Conservation of Biodiversity |
 75%
From NCERT
NEET - 2022
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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Which of the following come under the "Evil Quarter"?
(a) Habitat loss and fragmentation
(b) Over-exploitation
(c) Alien species invasion
(d) Mortality
(e) Competition
Choose the correct answer from the options given below:
| 1. | (a), (c) and (d) | 2. | (b), (c) and (d) |
| 3. | (a), (b) and (c) | 4. | (a), (b) and (d) |
Subtopic: Â Loss of Biodiversity |
 92%
From NCERT
NEET - 2022
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Species Area relationship is described by the following equation.
log S = log C + Z log A
where Z is:
1. Area
2. Species richness
3. Slope of the line
4. Y-intercept
Subtopic: Â Biodiversity Patterns |
 76%
From NCERT
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Endemism refers to:
1. Species richness
2. Species evenness
3. Species confined to that region
4. Species diversity
Subtopic: Â Importance of Biodiversity |Â Loss of Biodiversity |
 80%
From NCERT
NEET - 2022
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