Question

Select the correct relationship from the following.

• A. $GPP=NPP-R$
• B. $GPP=NPP+R$
• C. $NPP=GPP+R$
• D. $NPP-GPP=R$

Answer 1

Answer: (B)

Net primary-productivity (NPP) amount is obtained when respiration amount removed from GPP. Hence, NPP = GPP - R.
Therefore, GPP = NPP + R.