WorksheetsMicro-organisms
Total questions: 10
Worksheet time: 5mins
Which of these is not a microbe?
yeast
bacteria
virus
mould
Which is not an example of cross contamination?
Vegetables contaminated by bacteria in soil because they hadn't been washed properly
A food handler using a red chopping board for raw chicken and then making sandwiches on the same board.
Cooked meat contaminated by blood from raw meat that hasn't been cleaned off the surface.
Food handlers getting bacteria on their hands from the fridge handle and then making pasta salads.
The most common cause of food poisoning is?
pathogenic bacteria
benign bacteria
pathogenic yeasts
benign moulds
Which of the following is not a usual source of bacteria?
insects
people
rubbish
cleaning chemicals
Which of these is a common symptom of food poisoning
vomiting
coughing
sore throat
aching muscles
Which is the optimum (best) temperature for bacterial growth?
37C
5C
63C
75C
The best pH for bacteria is?
6 - 8
2 - 5
9 - 12
4 - 10
Which is not a method of preventing bacterial growth?
Keeping food at room temperature
Keeping food at 5C
Drying food
Adding lots of sugar or salt to food
Which type of date marking is important for food safety
use-by-date
best-before-date
sell-by-date
production-date
Which of these is not a condition needed for microbes to grow and reproduce?
oxygen
time
temperature
moisture
