BACTERIA MORPHOLOGY QUIZ

Peptidoglycan is found only in the bacterial

cell wall

cell membrane

spore

glycocalyx

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria deficient in cell wall is

Treponema

Staphylococcus

Mycoplasma

Klebsiella

TRUE ANSWER : ?
YOUR ANSWER : ?

Gram positive cells have a

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

The other name for peptidoglycan is

both (a) & (b)

mucopeptide

none of these

murein

TRUE ANSWER : ?
YOUR ANSWER : ?

Name the component of flagellum.

Filament

All of these

Basal body

Hook

TRUE ANSWER : ?
YOUR ANSWER : ?

In which of the following, lipo-polysaccharide is a major constituent of outer membrane of the cellwall?

Gram-positive bacteria

None of these

Gram-negative bacteria

Fungi

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is exposed on the outer surface of a gram-negative bacterium?

Polysaccharide portion of lipoteichoic acid (LTA)

O-antigen of lipopolysaccharide (LPS)

Electron transport system components

Braun lipoprotein

TRUE ANSWER : ?
YOUR ANSWER : ?

A single polar flagella is known as

monotrichous

amphitrichous

lophotrichous

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The cell walls of Gram positive bacteria contain two modified sugar, viz. N- acetylgucosamine (NAG) and N- acetylmuramic acid (NAM). They are covalently linked by

β- 1,4-glycosidic bond

β-1,6-glycosidic bond

α- 1,6-glycosidic bond

α- 1,4-glycosidic bond

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following has peptidoglycan as a major constituent of cell wall?

Gram-negative bacteria

None of these

Fungi

Gram-positive bacteria

TRUE ANSWER : ?
YOUR ANSWER : ?

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