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

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 12. ecosystem1 Mark
MCQ
On the global basis the maximum productivity is shown by
  • ✓
    Aquatic ecosystem
  • B
    Grasslands
  • C
    Forests
  • D
    Deserts
✓

Answer

Correct option: A.
Aquatic ecosystem
a
(a)Because $90\%$  of total photosynthesis occurs in oceans and lakes by algae.

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