BACTERIA MORPHOLOGY QUIZ

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

Gram-negative bacteria

Gram-positive bacteria

None of these

Fungi

TRUE ANSWER : ?
YOUR ANSWER : ?

The last step in synthesis of peptidoglycan is

attachment of a portion of peptidoglycan to a membrane lipid

attachment of a peptide to muramic acid

attaching two amino acids to form a cross-link

binding of penicillin to a membrane protein

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Clostridum

Proteus

Mycoplasma

Bacillius

TRUE ANSWER : ?
YOUR ANSWER : ?

The common word for bacteria which are helically curved rods is

spirilla

pleomorphic

bacillus

cooci

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Flagella

Stalks

Sheath

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Genetic system is located in the prokaryotes in

chromatin

nucleoid

all of these

nuclear material

TRUE ANSWER : ?
YOUR ANSWER : ?

The cocci which forms a bunch and irregular pattern are

Tetracocci

Streptococci

Staphylococci

diplococci

TRUE ANSWER : ?
YOUR ANSWER : ?

Single or clusters of flagella at both poles is known as

none of these

monotrichous

petritrichous

amphitrichous

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following bacterial genera (that produces endospore) have medical importance?

Clostridium

None of these

Both (a) and (b)

Bacillus

TRUE ANSWER : ?
YOUR ANSWER : ?

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

All of these

It is thicker than that associated with gram-negative bacteria

It consists of multiple layers

It contains teichoic acids

TRUE ANSWER : ?
YOUR ANSWER : ?

↑