Food and cookery LO1

What is the purpose of yeast in bread making?

• To add flavor to the bread

• To make the bread rise

• To prevent the bread from spoiling

• To give the bread a fluffy texture

Which of the following conditions do yeasts require to ferment?

• Cold temperature and low pH level

• Moisture and darkness

• Warmth and food

• Oxygen and high sugar concentrations

What is the recommended temperature to destroy yeasts?

• Below 20˚C

• Between 20˚C and 40˚C

• Between 40˚C and 70˚C

• Above 70˚C

Which of the following is true about moulds?

• They can survive freezing temperatures

• They prefer alkaline conditions

• They grow on sugary foods

• They are destroyed by temperatures above 70˚C

What does mould growth on food indicate?

• The food is fresh

• The food has been stored correctly

• The food is safe to eat

• The food may cause respiratory problems

Which of the following is a use of moulds in the food industry?

• Giving bread its characteristic flavor

• Causing food poisoning

• Preventing food spoilage

• Producing meat alternatives

What is the purpose of the control slice in the mould experiment?

• To test the conditions for bacterial growth

• To compare the growth of different moulds

• To determine the preferred conditions for yeasts

• To observe the effect of moisture on mould growth

What is the purpose of adding moisture to some of the bread slices in the mould experiment?

• To prevent mould growth

• To create acidic conditions

• To observe the effect of warmth on mould growth

• To test the preferred conditions for mould growth

Where should the Moist/Light/Warm bag be stored in the mould experiment?

• In the fridge or cupboard

• Near a radiator or window

• In a dark and cool place

• In a warm and well-lit area

What can be used to test acidic conditions in the mould growth experiment?

• Lemon juice

• Vinegar

• Salt

• Sugar