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प्रश्न
Identify the INCORRECT statement.
विकल्प
Around 25% of the drugs sold in the global medicine market worldwide are plant derivatives.
25,000 plant species are put to use by tribals worldwide as traditional medicines.
The relationship between diversity and well being of ecosystem is linear.
Rich diversity leads to lesser variation in biomass production over a period of time.
MCQ
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उत्तर
The relationship between diversity and well being of ecosystem is linear.
Explanation:
The relationship is not strictly linear. Research (notably by David Tilman) shows that ecosystem functioning is generally non-linear and that, up to a point, increasing diversity increases ecosystem functioning, then levels off.
shaalaa.com
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