8. Rough and buff colonies on LJ medium are characteristic of
A.M chelonei
B.M bovis
C.Mycobacterium tuberculosis
D.M fortuitum
9. 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
10. The bacteria which is microaerophilic on primary isolation, is
A.M fortuitum
B.Mycobacterium tuberculosis
C.M bovis
D.none of these
11. Which of the following bacteria is sensitive to pyrazinamide?
A.Mycobacterium tuberculosis
B.M bovis
C.M fortuitum
D.None of these
12. The bacteria which cause(s) tuberculosis in man is/are
A.M bovis
B.Mycobacterium tuberculosis
C.M africanum
D.All of these
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
14. Members of the genus Mycobacterium are
A.gram-positive
B.acid-fast
C.non-motile
D.all of these
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