BACTERIA MORPHOLOGY QUIZ

The common word for bacteria which are helically curved rods is

bacillus

spirilla

cooci

pleomorphic

TRUE ANSWER : ?
YOUR ANSWER : ?

The cocci which forms a chain is

diplococci

Tetracocci

Staphylococci

Streptococci

TRUE ANSWER : ?
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Chemotaxis is a phenomenon of

swimming away or towards of bacteria in presence of chemical compound

swimming away of bacteria

None of these

swimming towards a bacteria

TRUE ANSWER : ?
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Microcapsules are composed of

all of these

proteins

polysaccharides

lipids

TRUE ANSWER : ?
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The protein from which hook and filaments of flagella are composed of, is

gelatin

keratin

flagellin

casein

TRUE ANSWER : ?
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Which of the following is not true about peptidoglycan?

It occurs in the form of a bag shaped macro molecule surrounding the cytoplasm membrane

None of these

It is a polymer consisting of N-acetyl glucosamine, N-acetyl muramic acid and amino acids (alanine, lysine, etc.)

It is present in prokaryotic cell wall

TRUE ANSWER : ?
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Which of the following structure(s) is /are external to cell wall?

Sheath

Flagella

Stalks

All of these

TRUE ANSWER : ?
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Bacteria having no flagella are unable to

grow in nutrient agar

reproduce

move

stick to tissue surfaces

TRUE ANSWER : ?
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Teichoic acids are typically found in

cell walls of gram negative bacteria

outer membranes of gram positive bacteria

outer membranes of gram negative bacteria

cell walls of gram positive bacteria

TRUE ANSWER : ?
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The arrangement, in which flagella are distributed all round the bacterial cell, is known as

lophotrichous

monotrichous

peritrichous

amphitrichous

TRUE ANSWER : ?
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