WJEC A LEVEL FOOD SCIENCE AND NUTRITION.
Exam Questions with Complete Solutions
1. Monosaccharides correct answer: Basic units of carbohydrates (simple sugars) , Glucose,
Fructose, Galactose
2. Disaccharides correct answer: Double sugars, formed by 2 Monosaccharide units. Sucrose,
maltose and lactose.
3. Polysaccharides correct answer: Made up of many Monosaccharide units, Starch, glycogen,
cellulose.
4. Visual purple and for bone growth. correct answer: Why does the body need
vitamin A?
5. Helps to make the DNA and preventing anemia. correct answer: Why does the
body need vitamin B12?
6. Preventing scurvy and maintaining connective tissue. correct answer: Why does
the body need vitamin C?
7. Preventing rickets and the absorption of calcium. correct answer: Why does the
body vitamin D?
8. Works as an anti-oxidant. correct answer: Why does the body need vitamin E?
9. To prevent heart disease and blood clotting. correct answer: Why does the body
need vitamin K?
10. Instrinsic sugars correct answer: Sugars that are naturally present.
11. Extrinsic sugars correct answer: Processed sugars which are normally added to the
food.
12. Saturated fats correct answer: The more unhealthy fats, usually from animal sources.
13. Unsaturated fats correct answer: The slightly healthier fats, from plants.
14. Proteins correct answer: Made up of chains of amino acids,
15. LBV Protein correct answer: Proteins that have one or less than a full chain of amino
acids. Found in sources such as beans and nuts.
16. HBV Protein correct answer: Proteins with full chains of amino acids that are found in
meat.
17. (CH20)n correct answer: What is the general molecular structure for monosaccharides?
18. (C6H10O5) correct answer: What is the general molecular structure for Polysaccharides?
19. water soulable vitamin correct answer: A vitamin that can dissolve in water.
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Exam Questions with Complete Solutions
1. Monosaccharides correct answer: Basic units of carbohydrates (simple sugars) , Glucose,
Fructose, Galactose
2. Disaccharides correct answer: Double sugars, formed by 2 Monosaccharide units. Sucrose,
maltose and lactose.
3. Polysaccharides correct answer: Made up of many Monosaccharide units, Starch, glycogen,
cellulose.
4. Visual purple and for bone growth. correct answer: Why does the body need
vitamin A?
5. Helps to make the DNA and preventing anemia. correct answer: Why does the
body need vitamin B12?
6. Preventing scurvy and maintaining connective tissue. correct answer: Why does
the body need vitamin C?
7. Preventing rickets and the absorption of calcium. correct answer: Why does the
body vitamin D?
8. Works as an anti-oxidant. correct answer: Why does the body need vitamin E?
9. To prevent heart disease and blood clotting. correct answer: Why does the body
need vitamin K?
10. Instrinsic sugars correct answer: Sugars that are naturally present.
11. Extrinsic sugars correct answer: Processed sugars which are normally added to the
food.
12. Saturated fats correct answer: The more unhealthy fats, usually from animal sources.
13. Unsaturated fats correct answer: The slightly healthier fats, from plants.
14. Proteins correct answer: Made up of chains of amino acids,
15. LBV Protein correct answer: Proteins that have one or less than a full chain of amino
acids. Found in sources such as beans and nuts.
16. HBV Protein correct answer: Proteins with full chains of amino acids that are found in
meat.
17. (CH20)n correct answer: What is the general molecular structure for monosaccharides?
18. (C6H10O5) correct answer: What is the general molecular structure for Polysaccharides?
19. water soulable vitamin correct answer: A vitamin that can dissolve in water.
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