MCQ
Major autotrophic biomass in oceans is contributed by:
- AForests
- BAlgae and Phytoplanktons
- CCrops
- DNone of the above
✓
Answer
- Algae and Phytoplanktons
Explanation:
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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