16. The isolation of the gonorrhoea – causing organisms, Neisseria gonorrhoeae,from a clinical specimen is facilitated by the use of media containing
A. cellulose
B. certain antibiotics
C. succinate
D. none of these
17. Anchorage -dependent cells require
A. wettable surface for growth
B. dry surface for growth
C. either (a) or (b)
D. nothing to do with the surface
18. Stringent anaerobes can be grown in a media by taking special measure as
A. boiling the media for several minutes
B. addition of cysteine
C. passing through oxygen-free nitrogen
D. any of these
19. Radical shifts in pH can be prevented by incorporating
A. a buffer
B. an oxidizing agent
C. a reducing agent
D. any of these
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