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Actinomycetes and Non Sporing Anaerobes MCQ Questions & Answers

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

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Question 2

Which of the following bacteria is gram-negative cocci?

A. Veillonella
B. Peptococcus
C. Peptostreptococcus
D. Sporosarcina

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Question 3

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

A. B gingivalis
B. B melaninogenicus
C. Bacteroides fragilis
D. B levii

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Question 4

Colonies resembling molar teeth are produced by

A. Nocardia brasiliensis
B. N. asteroids
C. Actinomyces israelii
D. Actinomadura madurae

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Question 5

The commonest bacterial cause of cervicofacial actinomycosis is

A. A. naeslundii
B. A. viscosus
C. A. israelii
D. A. meyeri

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Question 6

The commonest bacterial cause of cervicofacial actinomycosis is

A. A. naeslundii
B. A. viscosus
C. A. israelii
D. A. meyeri

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Question 7

The bacteria which is predominant flora of the human gut is

A. Escherichia coli
B. Clostridium perfringens
C. Bacteroides
D. Actinomyces

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Question 8

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

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Question 9

The current genus name of a saccharolytic group of Bacteroides is

A. Porphyromonas
B. Bacteroides
C. Prevotella
D. None of these

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Question 10

Which of the following bacteria is acid-fast?

A. Actinomyces
B. Nocardia
C. Streptomyces
D. Corynebacterium

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Question 11

Which of the following bacteria is moderately saccharolytic?

A. Bacteriodes fragilis
B. B gingivalis
C. B melaninogenicus
D. B levii

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Question 12

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

A. Bacteroides
B. Fusobacterium
C. Leptotrichia
D. All of these

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Question 13

Lactobacilli constitute the normal flora of

A. prepubertal vagina
B. adult vagina
C. post-menopausal vagina
D. None of these

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Question 14

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

A. Bacteroides
B. Fusobacterium
C. Leptotrichia
D. All of the above

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