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3.1 Define the term food additives - NSC Consumer Studies - Question 3 - 2021 - Paper 1
Question 3
3.1 Define the term food additives. 3.2 State the cause of type 1 diabetes. 3.3 Name THREE ways in which E. coli is transmitted in the food environment. 3.4 Discu... show full transcript
Worked Solution & Example Answer:3.1 Define the term food additives - NSC Consumer Studies - Question 3 - 2021 - Paper 1
Step 1
Step 2
Step 3
Name THREE ways in which E. coli is transmitted in the food environment.
Answer
E. coli can be transmitted through: 1) Consuming contaminated food or drinks, especially undercooked meat. 2) Using unpasteurized raw milk. 3) Contact with contaminated surfaces or through poor hygiene when handling food.
Step 4
Discuss the benefits for the natural environment when producing organically grown foods.
Answer
Producing organically grown foods has multiple benefits, including: 1) Improvement in soil quality which enhances fertility. 2) Better water supply due to reduced chemical runoff. 3) The reduction of toxic chemical usage, promoting a more sustainable farming environment. 4) Increased biodiversity in farming ecosystems.
Step 5
Explain how THREE nutrients in the foods listed below will assist in preventing osteoporosis.
Answer
The nutrients in milk and canned pilchards that help prevent osteoporosis include: 1) Calcium, which strengthens bones and increases bone density. 2) Phosphorus, which aids in the absorption of calcium. 3) Protein, which helps in the synthesis of connective tissue, thereby supporting bone health.
Step 6
Compare the dietary-related conditions hypoglycaemia and hyperglycaemia with reference to: 3.6.1 Blood glucose levels.
Answer
Hypoglycaemia is characterized by low blood glucose levels, while hyperglycaemia is marked by high blood glucose levels. In hypoglycaemia, levels can drop due to irregular eating, while hyperglycaemia may result from diabetes where excess sugar accumulates in the bloodstream.
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Step 8
State FOUR ways in which food irradiation increases the shelf life of food.
Answer
Food irradiation increases shelf life by: 1) Delaying ripening of fruits. 2) Preventing sprouting in vegetables. 3) Eliminating bacteria and pathogens. 4) Reducing the need for preservatives by effectively treating food.
Step 9
Explain how the government and communities ensured food security during the 2020 national lockdown.
Answer
During the lockdown, the government kept shops open to provide access to food. Support systems were introduced for the unemployed, such as social grants, and food parcels were distributed through community networks. Local farming initiatives also increased to bolster food supply.
Step 10
Analyse the suitability of the food items in the meal plan for a diabetic.
Answer
The meal plan includes items with varying suitability for diabetics. 1) Plain low fat yoghurt is beneficial as it has low sugar. 2) Green vegetables are high in fiber and beneficial for blood sugar control. 3) Brown rice can be a better choice over white rice for lower blood sugar spikes. 4) Red meat should be consumed in moderation due to its potential impact on heart health. 5) Ice cream, high in sugars, is not suitable for frequent consumption.