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mediumMCQNEET 2020 E12026Biology
1 mark

In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct?

  1. A
    Gross primary productivity is always less than net primary productivity.
  2. B
    Gross primary productivity is always more than net primary productivity.
  3. C
    Gross primary productivity and Net primary productivity are one and same.
  4. D
    There is no relationship between Gross primary productivity and Net primary productivity.

Solution & Step-by-step Explanation

The relationship is defined as:

where is the energy lost during respiration. Since is always a positive value, Gross Primary Productivity (GPP) is always more than Net Primary Productivity (NPP).

Practice this question

Try it yourself before checking the explanation above.

In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct?
A
Gross primary productivity is always less than net primary productivity.
B
Gross primary productivity is always more than net primary productivity.
C
Gross primary productivity and Net primary productivity are one and same.
D
There is no relationship between Gross primary productivity and Net primary productivity.

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