T5.1.1 Principles of nutrition and healthy eating Quiz: KS3 Design & Technology, Unit 5

The 20 questions

1. How many portions of fruit and vegetables does UK healthy eating guidance recommend each day?

   • One portion of a variety of fruit and vegetables
   • Ten portions of a variety of fruit and vegetables
   • At least five portions of a variety of fruit and vegetables
   • Two portions of a variety of fruit and vegetables

2. Which nutrient is the body's main source of energy?

   • Carbohydrate, which is broken down to release glucose for the body to use
   • Calcium, which is needed to keep bones and teeth strong and healthy
   • Vitamin C, which helps the body absorb iron from the food that is eaten
   • Fibre, which helps the digestive system work well and keeps it moving

3. What is protein mainly used for in the body?

   • Growth and repair of body tissues, such as muscle
   • Carrying oxygen around the body in the blood, which is its main role
   • Providing most of the calcium needed to keep bones and teeth strong
   • Protecting the eyes from strong sunlight during the day and night

4. Which mineral is needed to make haemoglobin in red blood cells?

   • Potassium
   • Calcium
   • Iron
   • Sodium

5. Which vitamin is made in the skin when it is exposed to sunlight?

   • Vitamin K, which is found mainly in green leafy vegetables and some oils
   • Vitamin D
   • Vitamin A, which is found mainly in liver and orange-coloured vegetables
   • Vitamin C, which is found mainly in citrus fruits and fresh vegetables

6. What is the main role of dietary fibre?

   • Carrying oxygen around the body in the bloodstream to the working muscles
   • Providing a large amount of stored energy that the body can use over several days
   • Building new muscle tissue after a period of intense physical activity
   • Helping the digestive system work well and keeping the bowels regular

7. Which food group is the main source of calcium in the diet?

   • Dairy and alternatives, such as milk, cheese and yoghurt
   • Oils and spreads, which provide most of the vitamin A in the diet
   • Fruit and vegetables, which provide most of the protein that the body needs
   • Meat, fish and eggs, which provide most of the iron that the body needs

8. What is the recommended maximum amount of salt for adults in the UK each day?

   • 2 g
   • 6 g
   • 30 g
   • 15 g

9. A student eats only white bread and sweets for lunch. Which nutrients are likely to be missing?

   • Water, which is removed completely from bread and sweets during baking
   • Starch and sugar, which are not present in sweets or in bread at all
   • Vitamin D, which is found only in the crust of white bread after baking
   • Fibre, vitamins and minerals that are found in wholegrain cereals, fruit and vegetables

10. Why is the fruit and vegetable section the largest part of the Eatwell Guide?

    • Because they provide all of the energy that a person needs for a full day of activity
    • Because they are the cheapest foods available in most shops across the whole of the UK
    • Because people should eat plenty of them each day for vitamins, minerals and fibre
    • Because they contain more protein than any other food group in the whole diet

11. A teenager wants to increase the iron in their diet. Which combination would help most?

    • Lean red meat or beans, eaten with a food rich in vitamin C, such as orange juice
    • Dairy milk with cheese, which contain large amounts of iron that the body can use
    • Plain pasta with butter, which adds extra iron to the meal for the body
    • White rice with cream, which contains large amounts of vitamin D and iron

12. A meal contains 2 g of salt. What fraction of the adult daily maximum of 6 g is this?

    • One half
    • Two thirds
    • One sixth
    • One third

13. Why is water important in a healthy diet?

    • It keeps the body hydrated and helps control temperature and digestion
    • It provides all of the vitamins that the body needs in a single day
    • It is the main source of energy for the muscles during long periods of exercise
    • It is needed only when food is being cooked in an oven at high temperatures

14. A student says all fats are unhealthy. What is the best response?

    • Unsaturated fats from foods such as oily fish and nuts are healthier than large amounts of saturated fat
    • Fats are only found in animal products, so vegetarians do not need any fat
    • All fats are healthy and good for the body, so nobody needs to limit their intake of fat at any time in life
    • Fats provide no energy at all, so they should be avoided at every meal of the day

15. According to the Eatwell Guide, which foods should be eaten in the smallest amounts?

    • Dairy and alternatives, such as milk, cheese and yoghurt, eaten in moderate amounts
    • Starchy foods such as bread, rice and pasta, which are the main energy source
    • Foods high in fat, sugar and salt
    • Fruit and vegetables that are eaten throughout the day as snacks and meals

16. Why does a healthy diet need a range of foods instead of just one food?

    • Eating one food for a long time is unhealthy because it always makes the teeth weaker
    • A single food always contains too much water and fibre for the body to manage
    • No single food provides all the nutrients the body needs in the right amounts
    • Each food supplies every nutrient in exactly the right balance for the whole body

17. Which deficiency is most likely to cause tiredness and paleness?

    • Excess fibre, which lowers the amount of protein stored in the muscles of the body
    • Vitamin C deficiency, which increases the amount of fibre that is held in the blood
    • Iron deficiency, which reduces the amount of oxygen carried by the blood
    • Excess calcium, which slows down the rate at which food moves through the gut

18. What is the difference between a macronutrient and a micronutrient?

    • Macronutrients are needed in large amounts, such as carbohydrate, while micronutrients such as vitamins are needed in small amounts
    • Both types are needed in the same amount, but macronutrients are cheaper to buy in shops
    • Macronutrients are found only in meat, while micronutrients are found only in fruit
    • Micronutrients are needed in large amounts, while macronutrients such as vitamins are needed in tiny amounts

19. A portion of vegetables is roughly how much fresh vegetables by weight?

    • About 500 g
    • About 10 g
    • About 80 g
    • About 250 g

20. Why is it recommended to eat oily fish at least once a week?

    • It is the only source of vitamin C in a healthy diet and cannot be replaced
    • It contains large amounts of fibre that the body cannot digest at all
    • It is the cheapest source of protein available in most shops in the UK
    • It provides omega-3 fatty acids, which are linked with a healthy heart

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