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
The bacteria which is microaerophilic on primary isolation, is
A. M fortuitum
B. Mycobacterium tuberculosis
C. M bovis
D. None of these
Question 2
The bacteria which cause(s) tuberculosis in man is/are
A. M bovis
B. Mycobacterium tuberculosis
C. M africanum
D. All of these
Question 3
Members of the genus Mycobacterium are
A. gram-positive
B. acid-fast
C. non-motile
D. all of these
Question 4
False negative Mantoux test is observed in
A. early tuberculosis
B. Advanced tuberculosis
C. Severe malnutrition
D. All of these
Question 5
Which of the following bacteria is sensitive to pyrazinamide?
A. Mycobacterium tuberculosis
B. M bovis
C. M fortuitum
D. None of these
Question 6
Example of a Saprophytic bacteria is
A. M xenopi
B. Msmegmatis
C. Mycobacterium chelonei
D. M marinum
Question 7
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
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
Question 9
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
Question 10
The bacteria which cause(s) tuberculosis in man is/are
A. M bovis
B. Mycobacterium tuberculosis
C. M africanum
D. All of the above
Question 11
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
Question 12
Rough and buff colonies on LJ medium are characteristic of
A. M chelonei
B. M bovis
C. Mycobacterium tuberculosis
D. M fortuitum
Question 13
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
Question 14
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
Question 15
Members of the genus Mycobacterium are
A. gram-positive
B. acid-fast
C. non-motile
D. All of the above
Question 16
Eugonic growth on Lowenstein-Jensen medium is produced by
A. M bovis
B. Mycobacterium tuberculosis
C. Both A and B
D. None of these
Question 17
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
Question 18
Humans become infected with Mycobacterium tuberculosis most frequently by
A. inhalation
B. ingestion
C. contact
D. inoculation
Question 19
The causative agent of Buruli ulcer is
A. M chelonei
B. M marinum
C. M fortuitum
D. M ulcerarts
Question 20
False negative Mantoux test is observed in
A. early tuberculosis
B. Advanced tuberculosis
C. Severe malnutrition
D. All of the above