Microbiology Of Foods

NaCl can act as

A:

antagonist at optimal concentrations

B:

synergistically if added in excess of optimum level

C:

Both (a) and (b)

D:

None of the above

Answer: C

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A psychrophilic halophile would be a microbe that prefers

A:

cold temperatures and increased amounts of salt

B:

warm temperatures and increased amounts of pressure

C:

cold temperatures and the absence of oxygen

D:

warm temperatures and increased amounts of acid

Answer: A

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Suspected colonies of Staphylococcus aureus when grown on Baird-Parker medium shall show

A:

coagulase activity

B:

protease activity

C:

catalase activity

D:

none of these

Answer: A

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Which of the following is true about ISO 2002 method for Salmonella detection?

A:

Selenite cystine (SC) broth is replaced by Muller Kauffmann tetrathionate novobiocin broth (MKTTn)

B:

Rappaport Vassiliadis (RV) broth has been replaced by Rappaport Vassiliadis Soya (RVS) broth

C:

XLD is the first isolation medium rather than BGA

D:

All of these

Answer: D

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Aerobic Colony Count (ACC), is also known as

A:

Total viable count (TVC)

B:

Aerobic plate count (APC)

C:

Standard plate count (SPC)

D:

All of these

Answer: D

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Questions for: Microbiology Of Foods