Encapsulation in bacteria helps in__________________?
(A) Spore formation
(B) Decreased virulence
(C) Prevent their phagocytosis
(D) Oxygen effect
Phage conversion is required for________________?
(A) Tularemia
(B) Diptheria
(C) Gonorrhoea
(D) All o f the above
Wasserman test test is diagnostic of__________________?
(A) Syphilis
(B) Gonorrhea
(C) TB
(D) Tyhoid
Bacteria with potent exotoxin is_______________?
(A) Clostridium tetani
(B) Pseudomonas
(C) Shigella
(D) Klebsiella
Bacteria acquire characteristics by all of the following except___________________?
(A) Though plasmids
(B) Incorporating part of host DNA
(C) Through bacteriophages
(D) through conjugation
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
Grape bunch shaped colonies are seen in______________?
(A) Streptococcus
(B) Staphylococcus
(C) E.coli
(D) Gonococci
which of the following is anaerobic_______________?
(A) E.coli
(B) Bacteroides
(C) Pseudomonas
(D) Klebsiella
Inactivated microorganisms are used in the manufacture of which of the following________________?
(A) Salk vaccine
(B) Tetanus toxoid
(C) Sabin’s oral vaccine
(D) All of the above
The major intestinal pathogens which are non-lactose fermenters are_________________?
(A) Salmonella
(B) Klebsiella
(C) Escherichia
(D) Paracolons