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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 |
 82%
Level 1: 80%+
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 |
 84%
Level 1: 80%+
NEET - 2023
Hints
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 |
 67%
Level 2: 60%+
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: Â Importance of Biodiversity |
 64%
Level 2: 60%+
NEET - 2023
Hints
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 |
 91%
Level 1: 80%+
NEET - 2023
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (a) | Sacred groves | (i) | Alien species |
| (b) | Zoological park | (ii) | Release of large quantity of oxygen |
| (c) | Nile perch | (iii) | Ex-situ conservation |
| (d) | Amazon forest | (iv) | Khasi Hills in Meghalaya |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (iii) | (i) | (ii) |
| 2. | (ii) | (iv) | (i) | (iii) |
| 3. | (iv) | (i) | (ii) | (iii) |
| 4. | (iv) | (iii) | (ii) | (i) |
Subtopic: Â Importance of Biodiversity |Â Loss of Biodiversity |Â In Situ Conservation of Biodiversity |Â Ex Situ Conservation of Biodiversity |
 93%
Level 1: 80%+
NEET - 2022
Hints
The World Summit on sustainable development held in 2002 in Johannesburg, South Africa pledged for:
| 1. | A significant reduction in the current rate of biodiversity loss. |
| 2. | Declaration of more biodiversity hotspots. |
| 3. | Increase in agricultural production |
| 4. | Collection and preservation of seeds of different genetic strains of commercially important plants. |
Subtopic: Â Biodiversity Conservation |
 84%
Level 1: 80%+
NEET - 2022
Hints
Give the correct descending order of organisms with reference to their estimated number found in Amazon forest.
Choose the correct answer from the options given below:
| (a) | Plants | (b) | Invertebrates |
| (c) | Fishes | (d) | Mammals |
| (e) | Birds |
| 1. | (a) > (b) > (e) > (d) > (c) | 2. | (a) > (c) > (d) > (b) > (e) |
| 3. | (b) > (a) > (e) > (d) > (c) | 4. | (b) > (a) > (c) > (e) > (d) |
Subtopic: Â Biodiversity Patterns |
 67%
Level 2: 60%+
NEET - 2022
Hints
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 |
 79%
Level 2: 60%+
NEET - 2022
Hints
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 |
 78%
Level 2: 60%+
NEET - 2022
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