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Biology Ecosystem NCERT Examplar Single Correct MCQ
Published on: August 21, 2026

How much of the net primary productivity of a terrestrial ecosystem is eaten and digested by herbivores?

A
B
C
D

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The correct answer is:
B

In a predator or grazing food chain, predation occurs at every steps. Like herbivore are eaten up by carnivore. If they die naturally, then the energy trapped in the body of herbivore (or any trophic level) is transferred to decomposers. Only of herbivore productivity is utilised for raising productivity of next trophic level (primary carnivores). while the rest is eaten and used up, in process like respiration, maintenance of body heat and other activities.

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