Exam (elaborations) biochemistry

BIOC201 – Carbohydrate Chemistry
Revision Exam
Use this paper for active recall and exam-level prep.

Goal: Deepen understanding and lock in key concepts.


SECTION A: Short Answer Questions (2 marks each)
1. Define a carbohydrate and provide its general formula.

2. What is the difference between aldose and ketose monosaccharides?

3. List any three hexose sugars and classify each as aldose or ketose.

4. Define mutarotation and explain its significance.

5. What is an anomeric carbon? Give an example.

6. List the monosaccharide components and linkage type for: a) Maltose, b) Lactose, and c)
Sucrose.

7. State the difference between structural isomers and stereoisomers in carbohydrates.

8. Differentiate between reducing and non-reducing sugars with examples.

9. Name two homopolysaccharides and two heteropolysaccharides.

10. What is the significance of cellulose and chitin in nature?


SECTION B: Multiple Choice Questions (1 mark each)
11. Which of the following is a ketopentose?
a. Ribose
b. Ribulose
c. Glucose
d. Galactose

12. Which disaccharide is non-reducing?
a. Lactose
b. Maltose
c. Sucrose
d. Cellobiose