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NEET 2023, Biology Q21: Ecosystem

NEET2023Biology
Q.

In the equation ,

GPP is Gross Primary Productivity

NPP is Net Primary Productivity

R here is ________.

  1. A

    Photosynthetically active radiation

  2. B

    Respiratory quotient

  3. C

    Respiratory loss

  4. D

    Reproductive allocation

Solution

NPP is the energy left over for biomass and reproduction after the autotroph has paid its own metabolic costs. The energy lost in respiration () must therefore be subtracted from GPP to get NPP.

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