WSQ Cross-Contamination Prevention

Question 1

What is 'cross-contamination' in food safety?

Accepted Answer

The transfer of harmful microorganisms or substances from one food, surface, person, or piece of equipment to another

Answer

Contamination that only occurs between raw and cooked meats

Answer

The mixing of two different food allergens

Answer

Spoilage of food caused by improper temperature

Question 2

What is the most effective way to prevent cross-contamination between raw and cooked foods in a kitchen?

Accepted Answer

Using separate, colour-coded chopping boards and utensils for raw and cooked/ready-to-eat foods

Answer

Washing the same chopping board with soap between uses

Answer

Using disposable gloves without changing them between tasks

Answer

Cooking all foods together at the same time

Question 3

What colour-coded chopping board is typically designated for raw poultry in Singapore food safety training?

Accepted Answer

Yellow

Answer

Red

Answer

Blue

Answer

White

Question 4

How can cross-contamination occur through a food handler's actions?

Accepted Answer

By handling raw meat and then touching ready-to-eat food without washing hands and changing gloves

Answer

Only by coughing or sneezing directly onto food

Answer

Only by using the same knife for different foods

Answer

Only through contact with chemicals

Question 5

What is 'allergen cross-contamination' and why is it particularly serious?

Accepted Answer

The unintended transfer of food allergens to a food that should not contain that allergen, which can cause severe allergic reactions including anaphylaxis in sensitive individuals

Answer

Cross-contamination that only affects people with severe food allergies and is not a safety issue for others

Answer

An issue only in food manufacturing, not in restaurant kitchens

Answer

Only a problem when the allergen is a major ingredient

Question 6

What precaution should be taken when preparing food for a customer with a declared nut allergy?

Accepted Answer

Use clean equipment and surfaces that have not contacted nuts, prepare the food separately from other orders, and verify ingredients to ensure no nut-containing products are used

Answer

Simply avoid adding nuts as a visible garnish to the dish

Answer

Use gloves to handle the food — gloves prevent allergen transfer

Answer

Check the customer's allergy is genuine before taking special precautions