Q. No.Biodiversity loss is now one of the world’s most pressing crisis. The primary reason for this is that:
| 1. | we cannot do anything about it |
| 2. | we are not responsible for this loss |
| 3. | we still do not know its entire extent |
| 4. | it is only affecting the developing countries |
Subtopic: Importance of Biodiversity | Loss of Biodiversity |
73%
Level 2: 60%+
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The IUCN Red List (2004) documents the extinction of how many species in past 500 years?
1. 784 species
2. 338 species
3. 359 species
4. 87 species
1. 784 species
2. 338 species
3. 359 species
4. 87 species
Subtopic: Loss of Biodiversity |
93%
Level 1: 80%+
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Amongst the recent extinctions, Thylacine got extinct from:
1. Mauritius
2. Africa
3. Russia
4. Australia
1. Mauritius
2. Africa
3. Russia
4. Australia
Subtopic: Loss of Biodiversity |
84%
Level 1: 80%+
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Identify the incorrectly matched pair:
|
1. |
Dodo |
Mauritius |
|
2. |
Quagga |
Africa |
|
3. |
Thylacine |
Australia |
|
4. |
Stellar’s sea cow |
USA |
Subtopic: Loss of Biodiversity |
93%
Level 1: 80%+
Hints
An example of recent extinctions given in the NCERT includes:
1. The dodo due to overexploitation
2. The Asiatic cheetah due to habitat loss
3. The passenger pigeon due to disease
4. The Siberian tiger due to climate change
1. The dodo due to overexploitation
2. The Asiatic cheetah due to habitat loss
3. The passenger pigeon due to disease
4. The Siberian tiger due to climate change
Subtopic: Loss of Biodiversity |
71%
Level 2: 60%+
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Which of the following species of tiger has not gone extinct?
| 1. | Bali | 2. | Javan |
| 3. | Caspian | 4. | Siberian |
Subtopic: Loss of Biodiversity |
90%
Level 1: 80%+
Hints
Which group, amongst the following, has the maximum percentage of species facing threat of extinction?
| 1. | Amphibians | 2. | Birds |
| 3. | Mammals | 4. | Gymnosperms |
Subtopic: Loss of Biodiversity |
80%
Level 1: 80%+
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Presently, what percent of all mammal species in the world face the threat of extinction?
1. 12
2. 23
3. 31
4. 32
1. 12
2. 23
3. 31
4. 32
Subtopic: Loss of Biodiversity |
75%
Level 2: 60%+
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What percent of all bird species at present face the threat of extinction?
| 1. | 12 | 2. | 23 |
| 3. | 31 | 4. | 32 |
Subtopic: Loss of Biodiversity |
72%
Level 2: 60%+
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The current episode of mass extinction of species on Earth:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | is the sixth such episode overall |
| II: | is faster than the previous such episodes |
| III: | is mainly due to anthropogenic action |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Loss of Biodiversity |
81%
Level 1: 80%+
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