Section A
1. Which one is NOT carbohydrates?
A. Glucose
B. Starch
C. Glycerol
D. Fructose
2. Which one is insoluble?
A. Glucose
B. Starch
C. Fructose
D. Lactose
3. Carbohydrate is stored in animal cells in the form of?
A. Gatorade
B. Glycerol
C. Glycerin
D. Glycogen
4. Which one is a monosaccharide?
A. Fructose
B. Sucrose
C. Lactose
D. Cellulose
5. Which element could not be found in carbohydrates?
A. Helium
B. Carbon
C. Hydrogen
D. Oxygen
6. Which is the most complex carbohydrate?
A. Glucose
B. Sucrose
C. Maltose
D. Glycogen
7. Which food can we obtain sugar from digestion?
A. Coke
B. Vegetables
C. Biscuits
D. All of the above
8. Carbohydrates made up how much of our body mass?
A. 1%
B. 5%
C. 10%
D. 15%
9. Which of the following cannot be digested by human?
A.Starch
B. Maltose
C. Glucose
D. Cellulose
10. Which of the following is also known as milk sugar?
A. Glucose
B. Fructose
C. Lactose
D. Maltose
11. Which of the following is a lipid?
A. C6H12O6
B. C12H24O12
C. C51H98O6
D. (C6H12O6)12
12. Which of the following is not lipid?
A. Glycogen
B. Margarine
C. Olive oil
D. butter
13. Lipid made up how much of our body mass?
A. 1%
B. 5%
C. 10%
D. 15%
14. Which is the component of lipid?
A. Glycerol
B. Glycerin
C. Fatty Acid
D. All of the above
15. Which one is a healthier lipid?
A. Unsaturated fat
B. Saturated fat
C. Cholesterol
16. What is the function of lipid in human body?
A. Long-term store of energy
B. Heat insulation
C. Protect internal organs from mechanical damage
D. All of the above
17. Peter is unfortunately diagnosed with heart disease. What would you recommend against for his diet?
A. Vegetables
B. Fruits
C. Rice
D. Fried fast food
Section B
1. What does carbohydrate means? (2 marks)
2. Suggest two processed food with added sugar. (2 marks)
3. What is the nature of starch and how does it differ from glycogen? (2 marks)
4. What is digestion? Use the digestion of starch as example. (2 marks)
5. What is the function of dietary fibre? Suggest one beneficial effect of intake.(2 marks)
6. What is the difference between fat and oil? (1 mark)
7. Suggest 2 places in our body which lipids can be found. (2 marks)
8. What are the two chemical ‘building blocks’ of lipids?
9. Peter wants to test for the presence of biological molecules from his lunch. Describe how to prep the
sample for food tests. (4 marks)
10. Peter wants to make sure his potato contains starch. Suggest a method to test for starch, describe the
solution used and the expected result. (3 marks)
11. Peter’s heart condition is getting worse. He is trying to avoid all fat at all cost. However, Peter suspected
that the chief did not hear his request and added something suspicious into his lunch. Suggest a test for
lipid to ease his nerve. Describe the reagent used and the steps. (4 marks with 1 mark bonus)