HIGHWAY ENGINEERING QUIZ

Colonies resembling molar teeth are produced by

Actinomadura madurae

Actinomyces israelii

N. asteroids

Nocardia brasiliensis

TRUE ANSWER : ?
YOUR ANSWER : ?

The current genus name of a saccharolytic group of Bacteroides is

None of these

Bacteroides

Prevotella

Porphyromonas

TRUE ANSWER : ?
YOUR ANSWER : ?

Lactobacilli constitute the normal flora of

none of these

prepubertal vagina

post-menopausal vagina

adult vagina

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria which is predominant flora of the human gut is

Actinomyces

Clostridium perfringens

Escherichia coli

Bacteroides

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Bacteroides fragilis

B gingivalis

B melaninogenicus

B levii

TRUE ANSWER : ?
YOUR ANSWER : ?

Lactobacilli grow best under

microaerophilic conditions in presence of 2% CO2 and PH4

microaerophilic conditions in presence of 3% CO2 and PH5

microaerophilic conditions in presence of 5% CO2 and PH6

strict anaerobic conditions

TRUE ANSWER : ?
YOUR ANSWER : ?

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

B vulgatus

B merdae

B ovatus

B fragilis

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following genera is included in the family Bacteroi-daceae?

Leptotrichia

All of these

Fusobacterium

Bacteroides

TRUE ANSWER : ?
YOUR ANSWER : ?

The commonest bacterial cause of cervicofacial actinomycosis is

A. viscosus

A. israelii

A. meyeri

A. naeslundii

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following bacteria is moderately saccharolytic?

Bacteriodes fragilis

B melaninogenicus

B gingivalis

B levii

TRUE ANSWER : ?
YOUR ANSWER : ?