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Mycobacterium(Microbiology ) Questions and Answers
Home
Topic
Microbiology
Mycobacterium
Question 1.
Which of the following bacteria is susceptible to thiophen-2-carboxylic acid hydrazide?
M bovis
Mycobacterium tuberculosis
M chelonei
M fortuitum
Explanation:-
Answer: Option A. ->
M bovis
Question 2.
Eugonic growth on Lowenstein-Jensen medium is produced by
Both (a) and (b)
M bovis
None of these
Mycobacterium tuberculosis
Explanation:-
Answer: Option D. ->
Mycobacterium tuberculosis
Question 3.
The causative agent of Buruli ulcer is
M chelonei
M fortuitum
M marinum
M ulcerarts
Explanation:-
Answer: Option D. ->
M ulcerarts
Question 4.
Culture of tubercle bacilli may be positive if number of bacteria in the specimen is
as few as 10-100 per ml
as few as 1-4 per ml
as few as 125-200 per ml
as few as 5-9 per ml
Explanation:-
Answer: Option A. ->
as few as 10-100 per ml
Question 5.
Example of a Saprophytic bacteria is
M marinum
M xenopi
Msmegmatis
Mycobacterium chelonei
Explanation:-
Answer: Option C. ->
Msmegmatis
Question 6.
Rough and buff colonies on LJ medium are characteristic of
M chelonei
Mycobacterium tuberculosis
M fortuitum
M bovis
Explanation:-
Answer: Option B. ->
Mycobacterium tuberculosis
Question 7.
Which of the following species of Mycobacterium is positive for nitrate reduction test?
M fortuitum
Mycobacterium tuberculosis
M chelonei
All of these
Explanation:-
Answer: Option D. ->
All of these
Question 8.
Humans become infected with Mycobacterium tuberculosis most frequently by
ingestion
contact
inhalation
inoculation
Explanation:-
Answer: Option C. ->
inhalation
Question 9.
False negative Mantoux test is observed in
early tuberculosis
Advanced tuberculosis
Severe malnutrition
All of these
Explanation:-
Answer: Option D. ->
All of these
Question 10.
The bacteria which is microaerophilic on primary isolation, is
M fortuitum
Mycobacterium tuberculosis
none of these
M bovis
Explanation:-
Answer: Option D. ->
M bovis
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