Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYEcosystems1 Mark
MCQ
Major autotrophic biomass in oceans is contributed by:
A
Forests
✓
Algae and Phytoplanktons
C
Crops
D
None of the above
✓
Answer
Correct option: B.
Algae and Phytoplanktons
Biomass is the organic matter obtained from the living organism which act as a source of energy. In a biomass pyramid, the trophic levels are sequentially arranged at the trophic level according to the biomass at each level. The bottom of every pyramid is made up of autotrophs $($producers$).$ In ocean, the phytoplanktons and algae are the primary producers of the marine food chain.
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