CAPE June2011 FoodAndNutrition Unit1 Ques1.Ex

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Food and Nutrition

Unit

1 Paper 02

SECTION 1- MODULES 1.2 and 3 Question 1

The senior students at our school have embarked on a project to assist the school’s canteen operator to offer improved quality meals.

(a) (i) It is important for adolescents to have adequate protein and calcium in the diet. Outline THREE reasons why EACH of these nutrients is essential.

[6 marks]

(ii) Suggest THREE combination dishes that are rich in calcium and protein.

[3 marks]

(iii) Select ONE of the dishes in (ii) above and describe the process of its digestion

in the mouth and the stomach. [6 marks]

(b) (i) Identify FIVE guidelines which should be posted in the food storage area to allow for the proper storage of dry goods. [5 marks]

(ii) Differentiate between cleaning and sanitizing of kitchen utensils and explain why EACH is important to health and safety. [10 marks] (c) (i) Outline TWO changes that occur during the cooking of EACH of the

following:

a) Eggs

b) Cheese [4 marks]

(ii) Using THREE examples. explain how knowledge of the properties of eggs and cheese can he used in cooking. [6 marks]

(iii) State FIVE precautions that the canteen operator can implement in order to prevent burns AND electrocution in the kitchen.

[

5 marks]

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Food and Nutrition

Unit 1 Paper 02

Comments on Responses to Question 1

I (a) (i) This candidate was awarded full marks because the following points were

given

Building of tissues. repairing and maintaining tissues, and as a secondary source of energy

Calcium is needed for strengthening teeth, growth and repair of bones and to allow for the flexibility arid agility of bones

I (a) (ii) This candidate was awarded full marks for the combination dishes because the

dishes provided were all combined rather than two or more different dishes to give a rich source of calcium and protein. For example. a custard is a combination of milk and eggs along with other ingredients. This dish would supply sufficient calcium and protein.

I (a) (iii) Digestion of a salmon sandwich. The student was able to clearly outline that

mechanical digestion begins in the mouth where the mucus is responsible for moistening the food and the enzyme salivary amylase is released to breakdown the starch. The food enters the stomach where the food is churned by the stomach walls and the food mixes with the gastric juices. The enzyme pepsin is released and hydrochloric acid provides an acid medium for the enzyme to work in, and it activates the salivary amylase.

I (h) (i) The candidate received four out of five marks for the guidelines for storage of

dry goods because the following points were clearly stated. No eating or drinking allowed as this may cause harbourage of rodents such as rats. Food products must be tightly sealed as exposure to air may cause food spoilage. The correct temperatures for storing food must be adhered to and no unauthorized person should be allowed to enter the area where goods are stored as they may contaminate the goods. Insects, rodents, incorrect temperature. air and physical contaminants can all contribute to food spoilage.

I (b) (ii) This candidate was awarded full marks because there was a clear distinction

between cleaning and sanitizing. The student was able to state that cleaning is the removal of visible dirt using soap water and sponge while sanitizing is the removal of hacterialgerms which are invisible using a sanitizing agent. Both are important to health and safety because they remove substances that persons may he lIergic to and prevent contam.ination while. sanitation will destroy grmsImicroorganisms that can cause various diseases.

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1 (c) (i) & (ii) The candidate was able to identify the changes that occur in the cooking of

cheese and egg. The candidate adequately explained how knowledge of the properties of eggs and cheese could be used in cooking. providing clear examples to support the explanation.

I (c) (iii) The candidate gained full marks because both electrocution and burns were

addressed and relevant precautions related to hums and electrocution were clearly stated.

Figure

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