SQL SERVER 2000 QUIZ

Tartaric acid

Citric acid

Maleic acid

Acetic acid

any of the pH

alkaline pH

neutral pH

acidic pH

Cocci are usually more resistant than rods

Higher the optimal and maximal temperatures for growth, higher the resistance

Cells low in lipid content are harder to kill than other cells

Bacteria that clump considerably or form capsules are difficult to kill

catalase activity

none of these

protease activity

coagulase activity

warm temperatures and increased amounts of acid

cold temperatures and the absence of oxygen

warm temperatures and increased amounts of pressure

cold temperatures and increased amounts of salt

pH

Oxidation-Reduction Potential

All of these

Moisture

None of these

non-selective plating, depending on the test

either spiral plating, pour plate or spread plate of a food suspension on to a suitable selective agar

either spiral plating, pour plate or spread plate of a food suspension on to a suitable selective agar, or non-selective plate, depending on the test

All of these

Total viable count (TVC)

Aerobic plate count (APC)

Standard plate count (SPC)

Both (a) and (b)

None of these

antagonist at optimal concentrations

synergistically if added in excess of optimum level

an extrinsic factor

a processing factor

an intrinsic factor determining the likelihood of microbial proliferation

All of these