8. Which of the following does not cause wound infection following exposure to sea water or infected shellfish?
A.Vibrio vulnificus
B.V. alginolyticus
C.V. cholerae
D.Aeromonas

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9. The test(s) used for the assay of cholera toxin is/are
A.Radioimmunoassay
B.Enzyme-linked immunosorbent assay
C.Morphological changes in Chinese hamster ovary cells
D.All of the above

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10. The DNA coding for the production of cholera toxin in Vibrio cholerae is on the
A.phage
B.plasmid
C.chromosome
D.transposon

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11. The halophilic bacteria is/are
A.V. alginolyticus
B.V. vulnificus
C.Vibrio parahaemolyticus
D.All of these

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12. Which of the following toxin resembles cholera toxin?
A.Stable toxin of E. coli
B.Diphtheria toxin
C.Labile toxin of Escherichia coli
D.Tetanus toxin

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