On a logarithmic scale, the species-area relationship turns out to be a:
1. | Straight line | 2. | Rectangular hyperbola |
3. | Bell shaped | 4. | U shaped |
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Assertion (A): | Species diversity contributes to the well-being of an ecosystem. |
Reason (R): | Rich biodiversity contributes to higher productivity of an ecosystem. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |
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The search for previously unknown compounds in organisms that have never been used in traditional medicine is known as:
1. | Biopiracy | 2. | Bioprospecting |
3. | Molecular pharming | 4. | Bioremediation |
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Biodiversity should be conserved as it plays a major role in many ecosystem services that nature provides. Such an argument is called:
1. | broadly utilitarian | 2. | narrowly utilitarian |
3. | ethical | 4. | moral |
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What percentage of total oxygen in the earth’s atmosphere is produced by Amazon rainforest through photosynthesis?
1. | 50 | 2. | 40 |
3. | 30 | 4. | 20 |
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