Pathogenic treponemas can be maintained in:
A. Tissue culture
B. Chick embryos
C. Artificial media
D. Rabbit testis only
Teichoic acid is present in cell walls of:
A. Gram positive bacteria
B. Gram negative bacteria
C. Yeast
D. Protozoa
Pasteur developed the vaccine for:
A. Anthrax
B. Rabies
C. Cholera
D. All of the above
Culture medium used for Bordatella pertussis is:
A. Wilson Blair medium
B. Bile broth
C. Bordet Gengou medium
D. Robertson cooked meat medium
Antigen used in Weil-Felix reaction:
A. E.coli
B. Haemophilus
C. Proteus
D. Staphylococcus
The most primitive mode of gene transfer occurs by:
A. Transduction
B. Translation
C. Cell fusion
D. Conjugation
Staphylococcal toxic shock syndrome (SSS syndrome) is due to:
A. Enterotoxin A
B. Enterotoxin B
C. Enterotoxin D
D. Enterotoxin F
Which of the following is obligate aerobe:
A. Pseudomonas aerogenosa
A. coli
B. Proteus
C. diphtheria
Erysipelas is caused by:
A. Group B staphylococci
B. Group A steptococci
C. Gonococci
D. Pneumococci
The causative organism for cat-scratch disease is:
A. Chlamydia trachomatis
B. Donovania granulomatis
C. Bartonella henselae
D. Hemophilia ducreya
