NEET Biology question
Select the true statements.
I. Gross primary productivity is equal to the net primary productivity minus respiration II. Gross primary productivity is equal to net primary productivity plus photosynthesis III. Net primary productivity is equal to photosynthesis plus respiration IV. Net primary productivity is equal to gross primary productivity minus respiration V. Flow of energy in an ecosystem is unidirectional
Answer: (D)
Solution
Statement IV correctly states the standard relationship NPP = GPP − R (net primary productivity equals gross primary productivity minus respiratory losses), and statement V correctly
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