BACTERIA MORPHOLOGY QUIZ

Cyanobacteria have

a gram-negative cell wall

No cell wall

a gram-positive cell wall

Neither (a) nor (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria deficient in cell wall is

Klebsiella

Mycoplasma

Staphylococcus

Treponema

TRUE ANSWER : ?
YOUR ANSWER : ?

The last step in synthesis of peptidoglycan is

attachment of a peptide to muramic acid

attachment of a portion of peptidoglycan to a membrane lipid

binding of penicillin to a membrane protein

attaching two amino acids to form a cross-link

TRUE ANSWER : ?
YOUR ANSWER : ?

The common word for bacteria which are straight rod in shape is

spirilla

cooci

pleomorphic

bacilli

TRUE ANSWER : ?
YOUR ANSWER : ?

The common word for bacteria which are helically curved rods is

spirilla

cooci

bacillus

pleomorphic

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is analogous to mesosomes of bacteria?

Mitochondria of eukaryotes

None of these

Golgi apparatus of eukaryotes

Lysosomes of eukaryotes

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Stalks

All of these

Flagella

Sheath

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Gram-positive bacteria

Fungi

Gram-negative bacteria

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

A cluster of polar flagella is called

amphitrichous

lophotrichous

monotrichous

petritrichous

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Gram-positive bacteria

Gram-negative bacteria

Fungi

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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