ACTINOMYCETES AND NON SPORING ANAEROBES QUIZ

The commonest species of Bacteroides in fragilis group, which causes human infection, is

B merdae

B fragilis

B vulgatus

B ovatus

TRUE ANSWER : ?
YOUR ANSWER : ?

Lactobacilli grow best under

microaerophilic conditions in presence of 5% CO2 and PH6

strict anaerobic conditions

microaerophilic conditions in presence of 2% CO2 and PH4

microaerophilic conditions in presence of 3% CO2 and PH5

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following bacteria is moderately saccharolytic?

Bacteriodes fragilis

B gingivalis

B melaninogenicus

B levii

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following bacteria is gram-negative cocci?

Peptostreptococcus

Peptococcus

Veillonella

Sporosarcina

TRUE ANSWER : ?
YOUR ANSWER : ?

Colonies resembling molar teeth are produced by

Actinomyces israelii

Actinomadura madurae

Nocardia brasiliensis

N. asteroids

TRUE ANSWER : ?
YOUR ANSWER : ?

The current genus name of a saccharolytic group of Bacteroides is

Prevotella

Bacteroides

None of these

Porphyromonas

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following bacterial colonies fluoresce brick-red in UV light?

B melaninogenicus

B levii

B gingivalis

Bacteroides fragilis

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following bacteria is acid-fast?

Corynebacterium

Actinomyces

Nocardia

Streptomyces

TRUE ANSWER : ?
YOUR ANSWER : ?

Lactobacilli constitute the normal flora of

post-menopausal vagina

none of these

adult vagina

prepubertal vagina

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria which is predominant flora of the human gut is

Escherichia coli

Bacteroides

Actinomyces

Clostridium perfringens

TRUE ANSWER : ?
YOUR ANSWER : ?