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Q. No.Subtopic: Loss of Biodiversity |
88%
Level 1: 80%+
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Which region on the earth has the highest biodiversity?
| 1. | South America | 2. | South Africa |
| 3. | Russia | 4. | India |
Subtopic: Biodiversity Patterns |
64%
Level 2: 60%+
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In the Indian context, Lantana camara and Eichhornia crassipes are:
1. Critical link species
2. Keystone species
3. Cash crops
4. Invasive species
1. Critical link species
2. Keystone species
3. Cash crops
4. Invasive species
Subtopic: Loss of Biodiversity |
93%
Level 1: 80%+
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How many of the given statements regarding recent extinctions are true?
| I: | Dodo got extinct from Mauritius |
| II: | Quagga got extinct from Africa |
| III: | Thylacine got extinct from Australia |
| IV: | Stellar's sea cow got extinct from Russia |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
Subtopic: Loss of Biodiversity |
90%
Level 1: 80%+
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Which group of vertebrates appears to be more vulnerable to extinction?
| 1. | Fishes | 2. | Mammals |
| 3. | Amphibians | 4. | Birds |
Subtopic: Loss of Biodiversity |
79%
Level 2: 60%+
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What led to the extinction of passenger pigeon?
1. Increased number of predatory birds.
2. Over exploitation by humans.
3. Habitat loss
4. H5N1 virus infection.
1. Increased number of predatory birds.
2. Over exploitation by humans.
3. Habitat loss
4. H5N1 virus infection.
Subtopic: Loss of Biodiversity |
86%
Level 1: 80%+
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Which Indian plant is the source of antihypertensive drug reserpine?
1. Datura
2. Rauwolfia
3. Atropa
4. Papaver
1. Datura
2. Rauwolfia
3. Atropa
4. Papaver
Subtopic: Importance of Biodiversity |
90%
Level 1: 80%+
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| Assertion (A): | When certain exotic species are introduced into a geographical area, they become invasive and start spreading fast. |
| Reason (R): | These exotic species invariably reproduce by asexual means. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is False |
Subtopic: Loss of Biodiversity |
60%
Level 2: 60%+
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The Conference of Parties (COP) 2024 will be held in:
1. Glasgow, United Kingdom
2. Sharm el Sheikh, Egypt
3. Dubai, UAE
4. Baku, Azerbaijan
1. Glasgow, United Kingdom
2. Sharm el Sheikh, Egypt
3. Dubai, UAE
4. Baku, Azerbaijan
Subtopic: Biodiversity Conservation |
Level 3: 35%-60%
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In contemporary times, which of the following is the major reason that is driving species to extinction?
1. Habitat loss and fragmentation
2. Alien species invasion
3. Overexploitation
4. Co-extinction
1. Habitat loss and fragmentation
2. Alien species invasion
3. Overexploitation
4. Co-extinction
Subtopic: Loss of Biodiversity |
88%
Level 1: 80%+
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