Do you know your calcium from your carbohydrates?
Check your healthy-eating know with our special nutrition quiz ...
1. A women need on average 8400kj (2000cal) per day to maintain her weight
a) true
b) false
2. Osteoporosis is a bone disease caused by a low calcium intake
a) true
b) false
3. Whole milk contains more calcium than skim milk
a) true
b) false
4. Each day we are supposed to eat 18g fibre for food health
a) true
b) false
5. Carbohydrates contain more kilojoules than fats
a) true
b) false
6. Eating food high in vitamin C helps our bodies to absorb iron more effectively
a) true
b) false
7. Bran flakes are a good source of iron
a) true
b) false
8. Vitamin D is manufactured in our skin when it is exposed to sunlight
a) true
b) false
9. Polyunsaturated and mono-unsaturated fats contain fewer kilojoules than saturated fats
a) true
b) false
10. According to healthy eating guidelines, no more than 35 per cent of of the kilojoules we eat should come from fats
a) true
b) false
11. Fruit and vegetables lose some of their vitamin when they are shredded or sliced
a) true
b) false
12. Fructose (natural fruit sugar) contains fewer kilojoules than regular sugar (sucrose)a) trueb) false
13. The iron in meat is absorbed more easily by our bodies than iron in cereals or vegetables
a) true
b) false
14. If you eat a high-fibre diet, you should drink plenty of water to prevent constipation
a) true
b) false
15. We should eat a minimum of five portions of fruit and vegetables every day for good health
a) true
b) false
16. Taking vitamin supplements is the best way to ensure we get all the nutrients we need
a) true
b) false
17. Alcohol contains nearly as many kilojoules as fat
a) true
b) false
18. you should never eat less than 4200kj (1000cal) per day for safe, effective weight-loss
a) true
b) false
19. Drinking lots of tea and coffee can decrease absorption of certain vitamin and minerals
a) true
b) false
20. Smokers may need two or tree times more vitamin C than smokers
a) true
b) false
Answers:
1. a2. a3. b - skim milk contains less fat, but slightly more calcium than whole milk4. a5. b - carbohydrates contain nearly 17 kJ ((4 cal) per gram compared with 37kj ((9 cal) per gram for fat6. a7. a8. a9. b - all types of fat contain the same number of kilojoules, unless they state they are "reduced fat"10. a - this is equivalent to about 75g fat per day for a non-dieting woman, about 40g fat for a woman dieting on 4200kj ((1000 cal) per day11. a - when cut, enzymes in fruit and vegetables come into contact with the air and destroy some of the vitamins12. b - they contain the number of kilojoules, but as fructose is sweeter you need less to provide the same sweetness13. a14. a15. a16. b - a varied, healthy diet is all most people need to meet all their vitamin requirements17. a - alcohol contains 29kj ((9 cal) per gram for fat18. a - eating any lower than this may damage your health19. a - avoid drinking tea and coffee with meals, and to drink no more than six cups per day20. a