A. Membrane attack complex killing
B. Oxidative and non-oxidative killing
C. Zipper killing
D. Chemotaxis
Related Mcqs:
- Detergents used to disinfect dental instruments in the office kill bacteria by interfering with functional of the cell______________?
A. wall
B. nucleus
C. membrane
D. Capsule - Which of the bacteria resembles fungus____________?
A. Mycobacterium leprae
B. Actinomyces israeli
C. Mycobacterium bovis
D. All of the above - Which regards to temperature requirement, most pathogenic bacteria are_____________?
A. Psychrophiles
B. Mesophiles
C. Cryophiles
D. Thermophiles - 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 - 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 tuft of flagella at one end are called_______________?
A. Monotrichate
B. Peritrichate
C. Bipolar
D. Lophotrichate - Cell wall deficient bacteria are_______________?
A. Escherichia Coli
B. Staphylococci
C. Spirochetes
D. Mycoplasma - The component that sensitizes bacteria and virus to UV irradiation_______________?
A. Lipids
B. Carbohydrates
C. Inorganic salts
D. Nucleic acids - IF a bacteria were susceptible to both penicillin and Erythromycin, then it would not be appropriate to treat the patients with both antibiotics at the same time because_______________?
A. Penicillin is inactivated by erythromycin
B. Erythromycin exerts its effects extracellularly
C. Erythromycin enhances the B-lactamases activity
D. Penicillin is only effective against growing cells - The bacteria observed as a causative organism in case of Recurrent apthous ulcers is __________________?
A. Streptococcus sangius
B. Streptococcus mutans
C. Borellia vincentii
D. Staphylococci albus
