Exercise: Growth And Nutrition Of Bacteria

Questions for: Growth And Nutrition Of Bacteria

The reproduction by budding occur in
A:
Rhodopseudomonas acidophila
B:
Hyphomicrobium vulgare
C:
Bacillus subtilis
D:
Both (a) and (b)
Answer: D
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Organisms, using organic compounds as electron donors are called
A:
lithotrophs
B:
phototrophs
C:
chemotrophs
D:
organotrophs
Answer: D
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Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media?
A:
Coulter Counter
B:
Hemostat
C:
Petroff-Hausser chamber
D:
Trubidostat
Answer: D
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An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is
A:
osmotolerant
B:
acidophile
C:
neutrophile
D:
aerotolerant anaerobe
Answer: B
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Bacteria and fungi multiply best
A:
below 16°C
B:
between 16-38°C
C:
above 38°C
D:
none of these
Answer: B
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