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Food contamination and spoilage : quiz


1. Which of the following describes how food can be contaminated?

Physical

Chemical

Bacterial

All of the above

2. Which of the following is an example of physical contamination?

A hair from a chef in the kitchen

Pesticides from the farm

Fly spray used in the kitchen when preparing food

Microbial spoilage

3. Which of the following is an example of chemical contamination?

A hair from a chef in the kitchen

Soil from the ground when harvesting

Fly spray used in the kitchen when preparing food

Autolysis

4. Which of the following is an example of something that may cause bacterial contamination?

A fly landing on food

Soil from the ground when harvesting

Not washing hands after using the toilet

All of the above

5. Which of the following best describes autolysis?

Self-destruction, caused by enzymes present in the food

A type of spoilage caused by the growth of bacteria, yeasts and moulds

A form of chemical contamination which causes spoilage

A form of physical contamination

6. Which of the following is not a way in which enzymes can cause food to deteriorate?

Ripening

Physical contamination

Oxidation

Browning

7. Which of the following is describes how bacteria can be useful in food production?

In the production of yogurt

Growth of mould on bread

Ripening of fruit

Cross-contamination

The answers to a quiz looking at food contamination :

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