Haryana PMT Haryana PMT Solved Paper-2010

  • question_answer
    The greatest biomass of autotrophs in the worlds oceans is that of

    A)  benthic brown algae, coastal red algae and daphnids

    B)  benthic diatoms and marine viruses

    C)  sea grasses and slime moulds

    D)  free-floating micro-algae, cyanobacteria and nanoplankton

    Correct Answer: D

    Solution :

                    Phytoplanktons, diatoms and dinoflagellates are the dominant producers in the worlds oceans. Diatoms tend to dominate in Northern waters, while dinoflagellates are quite common in sub-tropical and tropical waters.


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