Science behind food preparation and cooking

Which is NOT a reason for cooking food?

• To give people a variety of food by using different cooking methods

• To make food easier to bite, chew, swallow and digest

• To give people hot food when the weather is hot

• To enable foods to rise, be thickened, dissolved and set when preparing a cake

Identify the cooking methods that uses convection to transfer heat to food.

• Boiling, steaming, baking

• Boiling, steaming, grilling

• Boiling, baking, grilling

• Steaming, baking, grilling

Define conduction.

• Passing of heat through a gas or liquid

• Passing of heat through space without the use of a solid, liquid or gas

• Passing of heat through space with the use of a solid, liquid or gas

• Passing of heat through direct contact between solid materials such as metals and food

Why should oil be hot enough before deep frying prawn fritters?

• It allows the surface of the prawn fritters to cook instantly, forming a seal that the fat cannot penetrate.

• It allows the proteins to coagulate, forming a crisp outer layer.

• It prevents the prawn fritters to soak up the oil, therefore becoming soggy and greasy.

• All of the above.

State the possible food science reactions that can occur when a butter cake is baked.

• Maillard browning and caramelisation

• Maillard browning and foaming

• Caramelisation and foaming

• Caramelisation, foaming and maillard browning

Which of the following are correct examples of moist heat cooking method?

• Steaming, deep frying, braising

• Steaming, braising, boiling

• Deep frying, steaming, braising

• Deep frying, braising, boiling

Which of the following is a function of eggs in a whisked sponge cake?

• To garnish the sponge cake.

• To trap air.

• To coat the cake to prevent it from cracking.

• To add texture

What is the reaction that occurs when a sauce is cooked?

• Dextrinisation

• Maillard browning

• Gelatinisation

• Caramelisation

What are the correct food examples made from a thin batter?

• Pancake, crepe, waffles

• Pancake, crepe, tempura

• Pancake, waffles, tempura

• Crepe, waffles, tempura

Which of the following wheat flours are suitable to be used to make pasta?

• All purpose flour, cake flour and bread flour

• All purpose flour, cake flour and durum flour

• All purpose flour, bread flour and durum flour

• All of the above flours.