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Q. No.According to Alexander von Humboldt :
| 1. | Species richness decreases with increasing area of exploration |
| 2. | Species richness increases with the increasing area, but only up to a limit |
| 3. | There is no relationship between species richness and the area explored |
| 4. | Species richness goes on increasing with increasing area of exploration |
Subtopic: Biodiversity Patterns |
84%
Level 1: 80%+
NEET - 2020
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Highest annual Net Primary Productivity is observed in:
1. Tropical deciduous forest
2. Temperate evergreen forest
3. Temperate deciduous forest
4. Tropical rain forest
1. Tropical deciduous forest
2. Temperate evergreen forest
3. Temperate deciduous forest
4. Tropical rain forest
Subtopic: Biodiversity Patterns |
89%
Level 1: 80%+
NEET - 2024
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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
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Red List contains data or information on?
1. all economically important plants
2. plants whose products are in international trade
3. threatened species
4. marine vertebrates only
Subtopic: Loss of Biodiversity |
94%
Level 1: 80%+
NEET - 2016
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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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Given below are two statements:
In light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true
| Statement l: | Rain forests, which used to cover more than 14% of the earth's land surface, are now reduced to 6%. |
| Statement II: | The Amazon rain forest has the greatest biodiversity on earth. |
1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true
Subtopic: Biodiversity Patterns | Loss of Biodiversity |
90%
Level 1: 80%+
NEET - 2024
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According to Robert May, global species diversity is about:
1. 20 Million
2. 50 Million
3. 7 Million
4. 1.5 Million
Subtopic: Magnitude of Biodiversity |
88%
Level 1: 80%+
NEET - 2020
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In which of the following do both pairs have the correct combination?
| 1. | In situ conservation/National park Ex-situ conservation/Botanical garden |
| 2. | In situ conservation/Cryopreservation Ex-situ conservation/Wildlife sanctuary |
| 3. | In situ conservation/Seed bank Ex-situ conservation/ National park |
| 4. | In situ conservation/Tissue culture Ex-situ conservation/Sacred groves |
Subtopic: In Situ Conservation of Biodiversity |
89%
Level 1: 80%+
NEET - 2015
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A species facing extremely high risk of extinction in the immediate future is called:
1. Vulnerable
2. Endemic
3. Critically Endangered
4. Extinct
Subtopic: Loss of Biodiversity |
78%
Level 2: 60%+
AIPMT - 2014
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Which of the following has maximum genetic diversity in India?
| 1. | Mango | 2. | Wheat |
| 3. | Groundnut | 4. | Rice |
Subtopic: Magnitude of Biodiversity | Biodiversity Patterns |
85%
Level 1: 80%+
NEET - 2013
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