BACTERIA MORPHOLOGY QUIZ

Teichoic acids are typically found in

outer membranes of gram positive bacteria

cell walls of gram positive bacteria

outer membranes of gram negative bacteria

cell walls of gram negative bacteria

TRUE ANSWER : ?
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The location where the bacterial chromosome concentrates is called

nucleus

nucleose

nucleoid

nuclein

TRUE ANSWER : ?
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Chemotaxis is a phenomenon of

swimming towards a bacteria

None of these

swimming away or towards of bacteria in presence of chemical compound

swimming away of bacteria

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Cyanobacteria have

a gram-positive cell wall

No cell wall

a gram-negative cell wall

Neither (a) nor (b)

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Gram positive cells have a

second outer membrane that helps to retain the crystal violet stain

thick capsule that traps the crystal violet stain

periplasmic space that traps the crystal violet

multiple layer of peptidoglycan that helps to retain the crystal violet stain

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The common word for bacteria which are spherical in shape is

bacilli

pleomorphic

spirilla

cocci

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Cytoplasmic inclusions include

all of these

mesosomes

ribosomes

fat globules

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Which of the following does not contain protein?

Porin

Pili

Flagellum

Lipoteichoic acid

TRUE ANSWER : ?
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Which of the following bacteria lack a cell wall and are therefore resistant to penicillin?

Spirochetes

Mycoplasmas

Cyanobacteria

Bdellovibrios

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The cell wall of

none of these

both have same thickness but composition is different

gram-positive bacteria are thicker than gram-negative bacteria

gram-negative bacteria are thicker than gram-positive bacteria

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