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Q. No.What argument for conserving biodiversity relates to what we owe to millions of plant, animal and microbe species with whom we share this planet?
1. Narrowly utilitarian
2. Broadly utilitarian
3. Ethical
4. Useless
Subtopic: Biodiversity Conservation |
76%
From NCERT
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The given map of India shows:
1. The biodiversity hotspots in India
2. Seismic zones in India
3. Latest biosphere reserves of India
4. Ramsar sites in India
1. The biodiversity hotspots in India
2. Seismic zones in India
3. Latest biosphere reserves of India
4. Ramsar sites in India
Subtopic: In Situ Conservation of Biodiversity |
94%
From NCERT
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Which of the following approaches to conserve biodiversity is not an ex-situ approach?
1. Zoological parks and botanical gardens
2. Wildlife safari parks
3. Biosphere reserves
4. Seed banks
1. Zoological parks and botanical gardens
2. Wildlife safari parks
3. Biosphere reserves
4. Seed banks
Subtopic: In Situ Conservation of Biodiversity | Ex Situ Conservation of Biodiversity |
88%
From NCERT
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The United Nations Conference on Environment and Development (UNCED), also known as the Earth Summit was held in:
1. 1986
2. 1987
3. 1992
4. 2002
1. 1986
2. 1987
3. 1992
4. 2002
Subtopic: Biodiversity Conservation |
86%
From NCERT
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Which of the following is not an alien species that became invasive in India?
1. Parthenium hysterophorus
2. Lantana camara
3. Eicchornia crassipes
4. Strobilanthes kunthiana
1. Parthenium hysterophorus
2. Lantana camara
3. Eicchornia crassipes
4. Strobilanthes kunthiana
Subtopic: Loss of Biodiversity |
88%
From NCERT
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Steller’s sea cow and passenger pigeon got extinct due to:
1. Habitat loss
2. Over-exploitation by humans
3. Alien species
4. Extinction of their food sources
1. Habitat loss
2. Over-exploitation by humans
3. Alien species
4. Extinction of their food sources
Subtopic: Loss of Biodiversity |
93%
From NCERT
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How many episodes of mass extinction of species have occurred before the current ongoing episode?
1. 3
2. 4
3. 5
6. 6
1. 3
2. 4
3. 5
6. 6
Subtopic: Loss of Biodiversity |
85%
From NCERT
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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 |
78%
From NCERT
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‘Increased biodiversity allows species to interact with each other in a useful manner, which makes the ecosystem more stable overall’. This statement can be attributed to:
1. David Tilman
2. Paul Ehrlich
3. Robert Constanza
4. Tansley
1. David Tilman
2. Paul Ehrlich
3. Robert Constanza
4. Tansley
Subtopic: Importance of Biodiversity |
84%
From NCERT
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One aquarium has 10 different species of fish, 3 species of plankton, and 5 species of seaweeds. The other aquarium has 2 turtles of the same species and 100 fishes of same species. What can be said regarding the two aquariums?
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | The first aquarium has more species diversity than the second aquarium. |
| II: | Over time, the community within second aquarium will be more stable than first aquarium. |
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Biodiversity Patterns |
75%
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