NEET 2010 Biology question

The biomass available for consumption by the herbivores and decomposers is called

(1)Secondary productivity
(2)Standing crop
(3)Gross primary productivity
(4)Net primary productivityCorrect

Answer: (4)

Solution

Gross primary productivity (GPP) is the rate of production of organic matter during photosynthesis. Plants use part of it in respiration (R); the remainder, GPP minus R, is the net primary productivity (NPP), which is the biomass available for consumption by heterotrophs

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Question ID VK-090616