A. Psychrophiles
B. Mesophiles
C. Cryophiles
D. Thermophiles
Related Mcqs:
- Diphtheria is pathogenic only when infected with______________?
A. Beta phage
B. Alfa phage
C. Lambda K12
D. Delta Phage - Which of the following enzyme is required to induce the formation of a plasma clot pathogenic staphylococci_____________?
A. Lysozyme
B. Fibrinolysin
C. Coagulase
D. S protein - Pathogenic treponemas can be maintained in________________?
A. Tissue culture
B. Chick embryos
C. Artificial media
D. Rabbit testis only - Kaposi’s sarcoma (KS) usually occurs when CD4 Lymphocyte counts are_____________?
A. Above 600
B. Between 1000-2000
C. Below 200
D. Above 2000 - Bacteria reproduce mainly by______________?
A. Budding
B. Binary fission
C. Sporing
D. Bacterial components produced by host cells - Organ of locomotion in bacteria is________________?
A. Fimbria
B. Flagella
C. Capsule
D. Cell wall - Which of the following characteristics of bacteria is not true?
A. Unicellular
B. Free living
C. Having either DNA or RNA
D. Cell wall containing muramic acid - Bacteria acquire characteristics by all the following except_______________?
A. Through plasmids
B. Incorporating part of host DNA
C. Through bacteriophages
D. Through conjugation - Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are______________?
A. Cocci
B. Spirochetes
C. Bacteriophages
D. Filamentous rods - Bacteria with potent exotoxin is_______________?
A. Clostridium tetani
B. Pseudomonas
C. Shigella
D. Klebsiella
