AQA Food Preparation and Nutrition
Revision Questions and Answers
Already Passed
What is the difference between simple carbohydrates and complex carbohydrates?
✔✔Simple carbohydrates are sugars that provide quick energy, while complex carbohydrates are
made of long chains of sugar molecules and provide a slower, more sustained energy release.
Why is it important to include a variety of protein sources in a diet?
✔✔A variety of protein sources ensures that all essential amino acids are provided for muscle
repair, growth, and overall body function.
What are the functions of fat in the body?
✔✔Fat provides a concentrated source of energy, supports cell structure, aids in the absorption
of fat-soluble vitamins (A, D, E, K), and insulates and protects vital organs.
What are the different types of fats, and which are considered healthier?
✔✔Unsaturated fats, found in foods like nuts, seeds, and oily fish, are healthier than saturated
fats found in animal products and processed foods, as they can improve heart health.
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,What is the importance of hydration in a balanced diet?
✔✔Water is essential for maintaining fluid balance, supporting digestion, regulating body
temperature, and transporting nutrients throughout the body.
Why is it important to limit the intake of added sugars?
✔✔Excessive sugar intake can lead to weight gain, increased risk of heart disease, and tooth
decay, as well as contribute to the development of type 2 diabetes.
What is the difference between a macronutrient and a micronutrient?
✔✔Macronutrients (carbohydrates, proteins, fats) are needed in larger amounts to provide
energy and support body functions, while micronutrients (vitamins, minerals) are needed in
smaller amounts but are essential for growth and health.
How can the method of cooking affect the nutritional content of food?
✔✔Some cooking methods, like steaming or grilling, preserve more nutrients compared to frying
or boiling, which can cause vitamins and minerals to leach out or degrade.
What is the function of iron in the diet, and what are the best sources?
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,✔✔Iron is essential for carrying oxygen in the blood. Good sources include red meat, beans,
lentils, spinach, and fortified cereals.
What are some key factors to consider when planning a balanced meal?
✔✔A balanced meal should include a variety of food groups: proteins, carbohydrates, healthy
fats, and a range of fruits and vegetables to ensure all nutrients are provided.
Why is it important to control portion sizes in a healthy diet?
✔✔Controlling portion sizes helps to prevent overeating, maintain a healthy weight, and reduce
the risk of chronic conditions like obesity, heart disease, and diabetes.
What are the different food groups in the Eatwell Guide, and what is their role?
✔✔The Eatwell Guide includes fruits and vegetables, starches (carbohydrates), proteins, dairy or
alternatives, and fats. Each group provides essential nutrients that support overall health.
What is the difference between saturated and unsaturated fats?
✔✔Saturated fats are solid at room temperature and are found in animal products and some
processed foods, while unsaturated fats are liquid at room temperature and come from plant-
based sources like olive oil and nuts.
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, How does protein contribute to muscle growth and repair?
✔✔Protein provides the building blocks (amino acids) necessary for repairing and growing
muscle tissues after exercise or injury.
What is the role of calcium in the body, and where can it be found?
✔✔Calcium is vital for strong bones and teeth, muscle function, and nerve signaling. It can be
found in dairy products, leafy greens, and fortified plant-based milks.
Why is it important to balance energy intake with energy expenditure?
✔✔Balancing energy intake and expenditure helps maintain a healthy weight, reduces the risk of
obesity, and supports overall metabolic health.
What are antioxidants, and how do they benefit health?
✔✔Antioxidants protect the body from oxidative stress and free radicals, which can contribute to
aging and disease. They are found in fruits, vegetables, nuts, and seeds.
What is the significance of food labelling in making healthy choices?
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