KS3 Food Science

When you add nutrients to foods that do not already have them, it is known as......

• Enrichment
• Fortification
• Enhancement
• Natural

Through ___________________, genes are removed from one organism and transferred into another one. Making a new "better" organism  

• Genetic modification

• ergonomics
• Science
• Biotechnology

Starch is an example of what type of food molecule?

• protein

• simple carbohydrate

• complex carbohydrate

• lipid

Ways of preserving foods for longer periods of use.

• Food Science
• Nutrition
• Food Processing
• Adulteration

Tick three colloidal systems.

• Mayonnaise

• Mashed potato

• Ice-Cream

• Marshmallows

What is a colloid system in food?

• A solution made up of 2 liquids that dissolve

• one substance is dispersed through another, and forms a solution

• one substance is dispersed through another, but does not combine to form a solution

Which of the following are types of colloidal systems?

• Solution, Emulsion & Gel

• Emulsion, Foam & Gel

• Foam, Solution & Gas

• Gel, Gas and Liquid

Colloidal systems give structure, texture and (a)   to many different products, for example:

The Maillard reaction is a chemical reaction between amino acids and reducing sugars that gives browned food its distinctive flavour e.g. toast but what is required for it to happen?

• Freezing

• Whisking

• Heat

• Acid

Which of the following terms refers to the thickness of a gel?

• Variability

• Visibility

• Viscosity

• Volume