BACTERIA MORPHOLOGY QUIZ

The other name for peptidoglycan is

mucopeptide

none of these

murein

both (a) & (b)

TRUE ANSWER : ?
YOUR ANSWER : ?

A cluster of polar flagella is called

amphitrichous

petritrichous

monotrichous

lophotrichous

TRUE ANSWER : ?
YOUR ANSWER : ?

The cooci which mostly occur in single or pairs are

None of these

Tetracocci

Diplococci

Streptococci

TRUE ANSWER : ?
YOUR ANSWER : ?

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

All of these

It consists of multiple layers

It is thicker than that associated with gram-negative bacteria

It contains teichoic acids

TRUE ANSWER : ?
YOUR ANSWER : ?

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

α- 1,4-glycosidic bond

β- 1,4-glycosidic bond

β-1,6-glycosidic bond

α- 1,6-glycosidic bond

TRUE ANSWER : ?
YOUR ANSWER : ?

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

lophotrichous

monotrichous

amphitrichous

peritrichous

TRUE ANSWER : ?
YOUR ANSWER : ?

Genetic system is located in the prokaryotes in

nucleoid

nuclear material

chromatin

all of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The common word for bacteria which are spherical in shape is

pleomorphic

cocci

bacilli

spirilla

TRUE ANSWER : ?
YOUR ANSWER : ?

The cell wall of

none of these

gram-negative bacteria are thicker than gram-positive bacteria

gram-positive bacteria are thicker than gram-negative bacteria

both have same thickness but composition is different

TRUE ANSWER : ?
YOUR ANSWER : ?

Single or clusters of flagella at both poles is known as

none of these

monotrichous

amphitrichous

petritrichous

TRUE ANSWER : ?
YOUR ANSWER : ?