Bacteria MCQs with Answers

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Bacteria are microorganisms, which are microscopic, single-celled living organisms found almost everywhere on Earth.

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Archaea bacteria belong to the kingdom Monera.

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Bacteria present in yogurt are responsible for changing milk into yogurt through fermentation.

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Marine protozoans transferred to fresh water will enlarge (swell) due to osmotic inflow of water.

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Blue green algae (cyanobacteria) are prokaryotes because they lack a true nucleus and membrane-bound organelles.

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The cell wall of Eubacteria is composed of Peptidoglycan, a unique polymer of sugars and amino acids.

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Taq polymerase is an enzyme present in bacteria, specifically the thermophilic bacterium *Thermus aquaticus*.

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Bird flu is caused by a virus, most commonly the H5N1 strain of the influenza A virus.

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The genetic code of the Flu virus is bound by a lipid membrane, known as a viral envelope.

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When bacteria divide in three planes producing a cuboidal bundle of 8 cells, the arrangement is called Sarcina.