A. Staphylococcus
B. Streptococcus
C. Gonococcus
D. Mycobacterium
✅ The correct answer is option Mycobacterium.
266. Toxic shock syndrome is due to the following virulence factor_____________?
A. M protein
B. Pyrogenic exotoxin
C. Streptolysin 0
D. Carbohydrate cell wall
✅ The correct answer is option Pyrogenic exotoxin.
261. In transmission of malaria, mosquito bite transfers_______________?
A. Sporozoite
B. Merozoite
C. Hypnozoite
D. Gametocyte
✅ The correct answer is option Sporozoite.
255. Enterically transmitted NANB hepatitis B_____________?
A. Hepatitis C
B. Hepatitis D
C. Hepatitis E
D. Hepatitis F
✅ The correct answer is option Hepatitis E.
249. Which component of the cell wall is responsible________________?
A. Region I
B. Region II
C. Region III
D. Boivin antigen
✅ The correct answer is option Region III.
244. Actinomycosis is a_________________?
A. Aerobic bacterial disease
B. Anaerobic bacterial disease
C. Aerobic fungal disease
D. Anaerobic fungal disease
✅ The correct answer is option Anaerobic bacterial disease.
279. Killer and Helper cells are part of_______________?
A. B cells
B. T cells
C. Monocytes
D. Macrophage
✅ The correct answer is option T cells.
275. One of the following staining methods is an example of negative staining_______________?
A. Gram’s staining
B. Fontana’s staining
C. India ink preparation
D. Zheil-Neilson’s staining
✅ The correct answer is option India ink preparation.
270. Which of the following fulfil all the criterias of kich’s postulates ?
A. Treponema pallidum
B. Mycobacterium leprae
C. N. gonorrhoeae
D. None of the above
✅ The correct answer is option None of the above.
265. A protoplast is best characterized as a bacterial cell______________?
A. with a cell wall but free of a capsule
B. containing a cell wall and a capsule
C. Free of a cell wall and a capsule
D. Uniquely sensitive to penicillin
✅ The correct answer is option Free of a cell wall and a capsule.