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3.1 Name TWO foods that cause allergies - NSC Consumer Studies - Question 3 - 2017 - Paper 1
Question 3
3.1 Name TWO foods that cause allergies. 3.2 State THREE benefits that organically grown food may have for the natural environment. 3.3 "Food irradiation is a tech... show full transcript
Worked Solution & Example Answer:3.1 Name TWO foods that cause allergies - NSC Consumer Studies - Question 3 - 2017 - Paper 1
Step 1
Step 2
3.2 State THREE benefits that organically grown food may have for the natural environment.
Answer
- Organic farmers use natural pesticides, which helps to protect ecosystems.
- Organic practices reduce soil pollution, contributing to better soil health.
- Organic farming protects water quality, as fewer harmful chemicals are used.
Step 3
3.3 "Food irradiation is a technology used to improve the safety of food products such as herbs". Discuss FOUR reasons why this statement is true.
Answer
- Food irradiation effectively destroys pathogens and harmful bacteria, ensuring food safety.
- It extends the shelf life of food by delaying spoilage.
- Irradiation helps to preserve the nutritional quality of food.
- It can be used to control pests in products without harmful chemicals.
Step 4
3.4 Compare milk allergy with lactose intolerance. Tabulate your answer as follows:
Answer
| Milk allergy | Lactose intolerance |
|---|---|
| Involves the immune system | Involves the small intestine |
| Milk protein is seen as harmful | Intestine secretes little or no lactase (enzyme) |
| Reacts against proteins, causing symptoms | Does not change lactose into glucose |
Step 5
3.5 Explain why coronary heart disease is referred to as lifestyle disease.
Answer
Coronary heart disease is termed a lifestyle disease because it is significantly influenced by dietary habits, physical inactivity, and other lifestyle choices. Factors such as high intake of saturated fats, lack of exercise, obesity, and smoking contribute to the disease.
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3.6.2 Describe how regular checking of blood cholesterol levels can benefit a person suffering from high cholesterol.
Answer
Regular checking allows for early detection of high cholesterol levels, helping individuals manage their condition through lifestyle changes or medication before serious complications arise.
Step 9
3.6.3 State FOUR dietary guidelines to manage high cholesterol.
Answer
- Reduce saturated fat intake by limiting red meats and full-fat dairy.
- Increase consumption of fruits, vegetables, and whole grains.
- Include healthy fats, like those from fish, nuts, and olive oil.
- Avoid trans fats by steering clear of processed foods.
Step 10
3.7 Differentiate between Type 1 and Type 2 diabetes. Tabulate your answer as follows:
Answer
| Type 1 | Type 2 |
|---|---|
| Often diagnosed in childhood | More common in adults |
| Autoimmune response destroys insulin-producing cells | Usually related to insulin resistance |
| Requires insulin injections for management | Can be managed with lifestyle changes and medication |
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3.8.2 Analyse the impact of the vegetable and fruit on Tammy's health.
Answer
The vegetables from the garden provide necessary nutrients and vitamins, which can boost Tammy's immune system and help her recover from the illness. They also aid in maintaining her overall health, supporting growth and development.