List of top Biology Questions on Kingdom Monera asked in KEAM

I.$\quad$ Unicellular, colonial, filamentous, marine or terrestrial forms II. $\quad$The colonies are surrounded by a gelatinous sheath III.$\quad$ Some can fix atmospheric nitrogen in specialised cells called$\quad$$\quad$ $\quad$$\quad$heterocysts IV. $\quad$They often form blooms in water bodies These above characters are seen in