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NEET Sample Paper NEET Sample Test Paper-52

  • question_answer
    Net Primary productivity (NPP) is equal to:

    A) GPP + Loss in respiration

    B) GPP - Loss in respiration

    C) Secondary Productivity - GPP

    D) Secondary Productivity + GPP

    Correct Answer: B

    Solution :

    Amount of radiant energy trapped by primary production is equal to their Gross Primary Productivity (GPP). Some amount of GPP is used in cellular respiration and the rest remains stored in the body of primary producers as Net Primary Productivity (NPP), thus \[GPP=NPP+\] Loss in cellular respiration of NPP = GPP - loss in cellular respiration.


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