BACTERIA MORPHOLOGY QUIZ

Peptidoglycan is found only in the bacterial

cell membrane

glycocalyx

cell wall

spore

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Fungi

Gram-negative bacteria

Gram-positive bacteria

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Chemically the capsule may be

polysaccharide

either (a) or (b)

polypeptide

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Genetic system is located in the prokaryotes in

nucleoid

all of these

nuclear material

chromatin

TRUE ANSWER : ?
YOUR ANSWER : ?

The structure responsible for motility of bacteria is

capsules

sheath

flagella

pilli

TRUE ANSWER : ?
YOUR ANSWER : ?

A single polar flagella is known as

amphitrichous

monotrichous

lophotrichous

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Sheath

All of these

Stalks

Flagella

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following may contain fimbriae?

Gram-positive bacteria

Gram-negative bacteria

Both (a) and (b)

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The cell walls of many gram positive bacteria can be easily destroyed by the enzyme known as

peroxidase

lysozyme

pectinase

lipase

TRUE ANSWER : ?
YOUR ANSWER : ?

The last step in synthesis of peptidoglycan is

binding of penicillin to a membrane protein

attachment of a peptide to muramic acid

attachment of a portion of peptidoglycan to a membrane lipid

attaching two amino acids to form a cross-link

TRUE ANSWER : ?
YOUR ANSWER : ?

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