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
Subtopic:  Importance of Biodiversity |
 68%
From NCERT
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Species diversity contributes to the well-being of an ecosystem.
Reason (R): Rich biodiversity contributes to higher productivity of an ecosystem.
In the light of the above statements, choose the most appropriate answer from the options given below :
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.
Subtopic:  Importance of Biodiversity |
From NCERT
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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
Subtopic:  Importance of Biodiversity | In Situ Conservation of Biodiversity | Ex Situ Conservation of Biodiversity |
 72%
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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
Subtopic:  Importance of Biodiversity |
 71%
From NCERT
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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
Subtopic:  Importance of Biodiversity |
 75%
From NCERT
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