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

protease activity
none of these
coagulase activity
catalase activity

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Foods
Which of the following is not true for the thermal resistance of the bacterial cells?

Cells low in lipid content are harder to kill than other cells
Bacteria that clump considerably or form capsules are difficult to kill
Cocci are usually more resistant than rods
Higher the optimal and maximal temperatures for growth, higher the resistance

ANSWER DOWNLOAD EXAMIANS APP

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

Selenite cystine (SC) broth is replaced by Muller Kauffmann tetrathionate novobiocin broth (MKTTn)
Rappaport Vassiliadis (RV) broth has been replaced by Rappaport Vassiliadis Soya (RVS) broth
All of these
XLD is the first isolation medium rather than BGA

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Foods
Plate count of bacteria in foods generally use the plating medium consisting of

peptone, yeast extract, glucose, sodium chloride and distilled water
peptone, glucose, sodium chloride, agar and distilled water
peptone, yeast extract, glucose, sodium chloride, agar and distilled water
yeast extract, glucose, sodium chloride, agar and distilled water

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Foods
Enumeration of microorganism refers to

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
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
None of these

ANSWER DOWNLOAD EXAMIANS APP