One of the following is not a characteristic | vedclass

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(A) Cyanobacteria,also known as blue-green algae,are prokaryotic organisms.They are primarily unicellular,colonial,or filamentous,but they are not mul

Vedclass · Accepted Answer

They are multicellular

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(A) Cyanobacteria,also known as blue-green algae,are prokaryotic organisms.They are primarily unicellular,colonial,or filamentous,but they are not multicellular in the true sense of having differentiated tissues or organs.They are known for forming colonies and often produce blooms in polluted water bodies due to nutrient enrichment (eutrophication).Many species of cyanobacteria,such as $Anabaena$ and $Nostoc$,possess specialized cells called heterocysts that allow them to fix atmospheric nitrogen.Therefore,the statement that they are multicellular is not a characteristic feature of cyanobacteria.

Column-$I$	Column-$II$
$(A)$ Halophiles	$(p)$ Gram-positive bacteria
$(B)$ Firmicutes	$(q)$ Hot springs habitat
$(C)$ Methanogens	$(r)$ Gram-negative bacteria
$(D)$ Spirochetes	$(s)$ Photosynthetic bacteria
$(E)$ Thermoacidophiles	$(t)$ Extremely salty areas habitat
	$(u)$ Responsible for biogas production

One of the following is not a characteristic feature of cyanobacteria:

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