Single Choice

Highest annual net primary productivity is of

ATropical deciduous forest
BTemperate evergreen forest
CTemperate deciduous forest
DTropical rain forest
Correct Answer

Solution

Total primary production in an ecosystem is known as the ecosystem's gross primary production (GPP).
Net primary production (NPP) = Gross primary production (GPP) - energy that is used by the producers for respiration (R). Tropical rain forest ecosystem has the highest average net primary productivity.
Therefore, the correct answer is option D.


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