Which regards to temperature requirement, most pathogenic bacteria are ?
A. Cryophiles
B. Thermophiles
C. Psychrophiles
D. Mesophiles
MICRO BIOLOGY
Microbiology MCQs with answers for medical students. Micro biology MCQ questions with answers for online tests.
A protoplast is best characterized as a bacterial cell ?
A. Uniquely sensitive to penicillin
B. Free of a cell wall and a capsule
C. with a cell wall but free of a capsule
D. containing a cell wall and a capsule
Group A B-hemolytic streptococcal infection of the pharynx may be followed in some by ?
A. Rheumatic fever
B. Syphilis
C. Diphtheria
D. Typhoid fever
Which of the following is an acid-fast bacillus ?
A. Neisseria gonorrhea
B. Mycobacterium bacilli
C. Treponema pallidum
D. All of them
Bacteria reproduce mainly by ?
A. Bacterial components produced by host cells
B. Binary fission
C. Budding
D. Sporing
All of the following are true of streptococcus except ?
A. Most common is animals
B. It’s group of lactic acid production bacteria
C. Shows adherence to dental enamel
D. Most common in humans
Specific test for Treponema pallidum is ?
A. TPHA
B. Widal test
C. VDRL
D. Kahn’s test
Difference between gram positive and negative bacteria lies in their ?
A. Mesosomes
B. cell wall
C. cell membrane
D. Nuclear material
Commonest method of detection of diptheria carriers is ?
A. Charles’ test
B. Schick test
C. Dick test
D. Casoni’s test
Toxic shock syndrome is due to the following virulence factor ?
A. Streptolysin 0
B. Carbohydrate cell wall
C. M protein
D. Pyrogenic exotoxin