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Q. No.What category is given to species known only by living members kept in captivity by the International Union for Conservation of Nature?
1. Critically endangered
2. Extinct in the wild
3. Endangered
4. Vulnerable
Subtopic: Biodiversity Conservation |
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Intangible benefits like aesthetic pleasures of walking through thick woods is a strong argument for the need to conserve biodiversity. This type of argument is called as:
1. Narrowly utilitarian
2. Ethical
3. Broadly utilitarian
4. Sustainable
1. Narrowly utilitarian
2. Ethical
3. Broadly utilitarian
4. Sustainable
Subtopic: Importance of Biodiversity |
67%
From NCERT
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India’s share of world’s land area and global species diversity respectively is:
| 1. | 2.4 % and 8.1 % | 2. | 1.7 % and 12 % |
| 3. | 2.1 % and 9.5 % | 4. | 3.4 % and 16 % |
Subtopic: Magnitude of Biodiversity | Biodiversity Patterns |
94%
From NCERT
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Name the scientist who conducted long-term ecosystem experiments to understand correlation between species richness with ecosystem stability:
1. Paul Ehlrich
2. David Tilman
3. Robert May
4. MacArthur
1. Paul Ehlrich
2. David Tilman
3. Robert May
4. MacArthur
Subtopic: Importance of Biodiversity |
74%
From NCERT
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Match each item in Column I with one in Column II and select the correct match from the codes given below:
| Extinct animal | Country/continent | ||
| A | Stellar’s sea cow | P | Australia |
| B | Thylacine | Q | Russia |
| C | Quagga | R | Mauritius |
| D | Dodo | S | Africa |
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | P | S | R |
| 3 | R | S | P | Q |
| 4. | S | R | Q | P |
Subtopic: Loss of Biodiversity |
91%
From NCERT
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Consider the following statements:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | Among invertebrates maximum species richness is seen in insects |
| II: | Among vertebrates maximum species richness is seen in mammals |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Magnitude of Biodiversity |
76%
From NCERT
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Identify the incorrect statement:
| 1. | Amazon rain forest produces 20% of total oxygen in the Earth’s atmosphere |
| 2. | All the biodiversity hotspots put together cover about 10 % of the Earth’s land area |
| 3. | About 31 % of all gymnosperms species in the world face the threat of extinction |
| 4. | India’s share of the global species diversity is about 8.1 % |
Subtopic: In Situ Conservation of Biodiversity |
81%
From NCERT
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Sacred groves of Khasi and Jaintia hills are located in:
| 1. | Assam | 2. | Meghalaya |
| 3. | Manipur | 4. | Arunachal Pradesh |
Subtopic: In Situ Conservation of Biodiversity |
90%
From NCERT
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The Amazon Forest:
| I: | is a largely tropical rainforest in South Africa |
| II: | has the greatest biodiversity on Earth |
| III: | produces about 20% of total oxygen in the earth’s atmosphere through photosynthesis |
| 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 |
Subtopic: Biodiversity Patterns | Importance of Biodiversity | Loss of Biodiversity |
57%
From NCERT
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Amongst the ‘Evil Quartet’, which of the following is the most important cause that is driving plants and animals to extinction in contemporary times?
| 1. | Habitat loss and fragmentation |
| 2. | Over-exploitation |
| 3. | Alien species invasion |
| 4. | Co-extinctions |
Subtopic: Loss of Biodiversity |
90%
From NCERT
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