BACTERIA MORPHOLOGY QUIZ

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-1,6-glycosidic bond

α- 1,4-glycosidic bond

α- 1,6-glycosidic bond

β- 1,4-glycosidic bond

TRUE ANSWER : ?
YOUR ANSWER : ?

The protein from which hook and filaments of flagella are composed of, is

keratin

flagellin

casein

gelatin

TRUE ANSWER : ?
YOUR ANSWER : ?

The common word for bacteria which are helically curved rods is

spirilla

cooci

pleomorphic

bacillus

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Braun lipoprotein

Electron transport system components

Polysaccharide portion of lipoteichoic acid (LTA)

O-antigen of lipopolysaccharide (LPS)

TRUE ANSWER : ?
YOUR ANSWER : ?

In eukaryotic cells, ribosomes are

60S

80S

Not specific

70S

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following organism has sterols in their cytoplasmic membrane?

Clostridum

Proteus

Bacillius

Mycoplasma

TRUE ANSWER : ?
YOUR ANSWER : ?

The common word for bacteria which are spherical in shape is

bacilli

pleomorphic

spirilla

cocci

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is analogous to mesosomes of bacteria?

None of these

Golgi apparatus of eukaryotes

Mitochondria of eukaryotes

Lysosomes of eukaryotes

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The cooci which mostly occur in single or pairs are

Tetracocci

Diplococci

Streptococci

None of these

TRUE ANSWER : ?
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Which of the following is true about cell wall of gram-positive bacteria?

All of these

It contains teichoic acids

It consists of multiple layers

It is thicker than that associated with gram-negative bacteria

TRUE ANSWER : ?
YOUR ANSWER : ?

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