Actinomycetes and Non Sporing Anaerobes MCQs : This section focuses on the "Actinomycetes and Non Sporing Anaerobes". These Multiple Choice Questions (MCQs) should be practiced to improve the Actinomycetes and Non Sporing Anaerobes skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Lactobacilli grow best under
A. strict anaerobic conditions
B. microaerophilic conditions in presence of 5% CO2 and PH6
C. microaerophilic conditions in presence of 3% CO2 and PH5
D. microaerophilic conditions in presence of 2% CO2 and PH4
Question 2
Which of the following genera is included in the family Bacteroi-daceae?
A. Bacteroides
B. Fusobacterium
C. Leptotrichia
D. All of the above
Question 3
The bacteria which is predominant flora of the human gut is
A. Escherichia coli
B. Clostridium perfringens
C. Bacteroides
D. Actinomyces
Question 4
The current genus name of a saccharolytic group of Bacteroides is
A. Porphyromonas
B. Bacteroides
C. Prevotella
D. None of these
Question 5
Colonies resembling molar teeth are produced by
A. Nocardia brasiliensis
B. N. asteroids
C. Actinomyces israelii
D. Actinomadura madurae
Question 6
Which of the following bacterial colonies fluoresce brick-red in UV light?
A. B gingivalis
B. B melaninogenicus
C. Bacteroides fragilis
D. B levii
Question 7
Which of the following bacteria is acid-fast?
A. Actinomyces
B. Nocardia
C. Streptomyces
D. Corynebacterium
Question 8
Lactobacilli constitute the normal flora of
A. prepubertal vagina
B. adult vagina
C. post-menopausal vagina
D. None of these
Question 9
Which of the following bacteria is gram-negative cocci?
A. Veillonella
B. Peptococcus
C. Peptostreptococcus
D. Sporosarcina
Question 10
The commonest species of Bacteroides in fragilis group, which causes human infection, is
A. B vulgatus
B. B fragilis
C. B ovatus
D. B merdae
Question 11
The commonest bacterial cause of cervicofacial actinomycosis is
A. A. naeslundii
B. A. viscosus
C. A. israelii
D. A. meyeri
Question 12
Which of the following bacteria is moderately saccharolytic?
A. Bacteriodes fragilis
B. B gingivalis
C. B melaninogenicus
D. B levii
Question 13
The commonest bacterial cause of cervicofacial actinomycosis is
A. A. naeslundii
B. A. viscosus
C. A. israelii
D. A. meyeri
Question 14
Which of the following genera is included in the family Bacteroi-daceae?
A. Bacteroides
B. Fusobacterium
C. Leptotrichia
D. All of these