Peptone water and nutrient broth are
Q. Peptone water and nutrient broth are selective media enriched media basal media none of these Answer: basal media
Culture Media MCQs
When a substance is added to a solid medium which inhibits the growth of unwanted bacteria but permits the growth of wanted bacteria, it is known as
Q. When a substance is added to a solid medium which inhibits the growth of unwanted bacteria but permits the growth of wanted bacteria, it is known as differential medium enriched medium enrichment medium selective medium Answer: selective medium
Treponema species from human oral cavity can be selected by using
Q. Treponema species from human oral cavity can be selected by using pH of the medium incubation temperature cell size and motility all of these Answer: cell size and motility
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In the pour plate method, the mixed culture is diluted directly in tubes of
Q. In the pour plate method, the mixed culture is diluted directly in tubes of liquid agar medium sterile liquid usually water both (a) and (b) none of these Answer: liquid agar medium
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Viable plate count can be obtained using
Q. Viable plate count can be obtained using Spread plate method Pour plate method both (1) and (2) Hemocytometer Answer: both (1) and (2)
Which of the following hint(s) suggest/s that a given specimen is likely to contain anaerobic bacteria?
Q. Which of the following hint(s) suggest/s that a given specimen is likely to contain anaerobic bacteria? Gas in specimen Foul odour Presence of sulphur granules All of these Answer: All of these
Which of the following methods is most likely to be quantitative?
Q. Which of the following methods is most likely to be quantitative? Dilution and plating Gram staining Wet mount None of these Answer: Dilution and plating
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When a substance is added to a liquid medium which inhibits the growth of unwanted bacteria and favors the growth of wanted bacteria, it is known as
Q. When a substance is added to a liquid medium which inhibits the growth of unwanted bacteria and favors the growth of wanted bacteria, it is known as differential medium enriched medium enrichment medium selective medium Answer: enrichment medium
All bacteria that inhabit the human body are
Q. All bacteria that inhabit the human body are heterotrophs chemolithotrophs autotrophs phototroph Answer: heterotrophs
Which of the following bacteria can grow in alkaline pH?
Q. Which of the following bacteria can grow in alkaline pH? Shigella Lactobacilli Salmonella Vibrio cholerae Answer: Vibrio cholerae
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