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STD 12 - 12. ecosystem — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 12. ecosystem1 Mark
MCQ
Net primary productivity is utilised by
  • A
    Autotrophs
  • ✓
    Heterotrophs
  • C
    Decomposers
  • D
    All of the above
✓

Answer

Correct option: B.
Heterotrophs
b
Heterotrophs. Net primary productivity is the weight of the organic matter stored by the producers in a unit area/volume for unit time. It is given by $\mathrm{NPP}=\mathrm{GPP}-\mathrm{R}$ (Gross Primary Productivity) where, $R=$ Respiration losses. It is utilised by hetertrophs

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