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Mycobacterium MCQ Questions & Answers

Mycobacterium MCQs : This section focuses on the "Mycobacterium". These Multiple Choice Questions (MCQs) should be practiced to improve the Mycobacterium skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

Which of the following bacteria is sensitive to pyrazinamide?

A. Mycobacterium tuberculosis
B. M bovis
C. M fortuitum
D. None of these

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Question 2

Which of the phage types of Mycobacterium tuberculosis occurs most frequently in India?

A. Type A
B. Type B
C. Type C
D. Type I

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Question 3

False negative Mantoux test is observed in

A. early tuberculosis
B. Advanced tuberculosis
C. Severe malnutrition
D. All of the above

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Question 4

The bacteria which is microaerophilic on primary isolation, is

A. M fortuitum
B. Mycobacterium tuberculosis
C. M bovis
D. None of these

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Question 5

Example of a Saprophytic bacteria is

A. M xenopi
B. Msmegmatis
C. Mycobacterium chelonei
D. M marinum

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Question 6

Members of the genus Mycobacterium are

A. gram-positive
B. acid-fast
C. non-motile
D. All of the above

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Question 7

The bacteria which cause(s) tuberculosis in man is/are

A. M bovis
B. Mycobacterium tuberculosis
C. M africanum
D. All of these

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Question 8

Which of the following species of Mycobacterium is positive for nitrate reduction test?

A. M chelonei
B. M fortuitum
C. Mycobacterium tuberculosis
D. All of these

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Question 9

The bacteria which cause(s) tuberculosis in man is/are

A. M bovis
B. Mycobacterium tuberculosis
C. M africanum
D. All of the above

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Question 10

Eugonic growth on Lowenstein-Jensen medium is produced by

A. M bovis
B. Mycobacterium tuberculosis
C. Both (a) and (b)
D. None of the above

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Question 11

Humans become infected with Mycobacterium tuberculosis most frequently by

A. inhalation
B. ingestion
C. contact
D. inoculation

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Question 12

A positive Mantoux test indicates an area of induration of

A. 4-9 mm in diameter
B. 1-4 mm in diameter
C. 10 mm or more in diameter
D. None of these

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Question 13

Members of the genus Mycobacterium are

A. gram-positive
B. acid-fast
C. non-motile
D. all of these

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Question 14

Which of the following bacteria is susceptible to thiophen-2-carboxylic acid hydrazide?

A. M bovis
B. Mycobacterium tuberculosis
C. M chelonei
D. M fortuitum

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Question 15

Culture of tubercle bacilli may be positive if number of bacteria in the specimen is

A. as few as 1-4 per ml
B. as few as 5-9 per ml
C. as few as 10-100 per ml
D. as few as 125-200 per ml

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Question 16

Which of the following species of Mycobacterium is positive for nitrate reduction test?

A. M chelonei
B. M fortuitum
C. Mycobacterium tuberculosis
D. All of the above

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Question 17

False negative Mantoux test is observed in

A. early tuberculosis
B. Advanced tuberculosis
C. Severe malnutrition
D. All of these

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Question 18

Eugonic growth on Lowenstein-Jensen medium is produced by

A. M bovis
B. Mycobacterium tuberculosis
C. Both A and B
D. None of these

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Question 19

Rough and buff colonies on LJ medium are characteristic of

A. M chelonei
B. M bovis
C. Mycobacterium tuberculosis
D. M fortuitum

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Question 20

The causative agent of Buruli ulcer is

A. M chelonei
B. M marinum
C. M fortuitum
D. M ulcerarts

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