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  • In the equation GPP – R = NPP GPP is Gross Pri

In the equation

GPP – R = NPP

GPP is Gross Primary Productivity

NPP is Net Primary Productivity

R here is ____________.

Option: 1

Photosynthetically active radiation


Option: 2

Respiratory quotient


Option: 3

Respiratory loss


Option: 4

Reproductive allocation


Answers (1)

The correct option is Option 3) Respiratory loss.

In the given equation, GPP (Gross Primary Productivity) represents the total amount of energy fixed by plants through photosynthesis. R represents the respiratory loss, which is the energy consumed by the plant through respiration. Respiration is the process by which organisms, including plants, convert stored energy (such as glucose) into usable energy (ATP) for cellular activities.

NPP (Net Primary Productivity) represents the net amount of energy available for plant growth and biomass production after accounting for the energy lost through respiration. Therefore, in the equation GPP - R = NPP, R represents the respiratory loss, indicating the energy consumed by plants during respiration.

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Kshitij

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