They play a great role in recycling nutrients like Nitrogen,Phosphorous,iron and sulphur.

  • A
    Eubacteria
  • B
    Euglenoids
  • C
    Archaebacteria
  • D
    Dinoflagellates

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How many of the following organisms are prokaryotic?
Bacteria,Blue-green algae,Fungi,Porifera,Echinodermata,Moss,Bryophytes,Pteridophytes,Gymnosperms,Ctenophora,Angiosperms

Provide the full forms of the following abbreviations:
$(i)$ $PPLO$
$(ii)$ $RNA$

Hormogonia of cyanobacteria are

Electron microscopic observations reveal that the cells of ........ lack membrane-bound organelles.

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