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CRACK THE CARBO!

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

The main nutritional role of carbohydrates is to?

a)

Store genetic information

b)

Provide energy

c)

Act as enzymes

d)

Regulate hormones

2.

Digestible carbohydrates provide approximately:

a)

2 kcal/g

b)

4 kcal/g

c)

7 kcal/g

d)

9 kcal/g

3.

Which of the following is NOT a function of carbohydrates?

a)

Energy storage

b)

Structural support

c)

Protein synthesis

d)

Immune recognition

4.

A monosaccharide with five carbon atoms is known as a:

a)

Triose

b)

Tetrose

c)

Pentose

d)

Hexose

5.

Glucose is classified as a:

a)

Ketohexose

b)

Aldohexose

c)

Aldopentose

d)

Ketopentose

6.

Fructose differs from glucose because fructose contains a:

a)

Aldehyde group

b)

Ketone group

c)

Carboxyl group

d)

Amino group

7.

Two sugars that differ at only one chiral carbon are called:

a)

Enantiomers

b)

Structural isomers

c)

Epimers

d)

Anomers

8.

The anomeric carbon of glucose is carbon:

a)

C2

b)

C3

c)

C4

d)

C1

9.

Which disaccharide is NOT a reducing sugar?

a)

Maltose

b)

Lactose

c)

Sucrose

d)

Cellobiose

10.

The storage polysaccharide in animals is:

a)

Starch

b)

Cellulose

c)

Chitin

d)

Glycogen

11.

All monosaccharides are reducing sugars.

a)

True

b)

False

12.

The D- or L- configuration of a sugar is determined by the anomeric carbon.

a)

True

b)

False

13.

Lactose intolerance occurs due to deficiency of the enzyme lactase.

a)

True

b)

False

14.

Cellulose is composed of glucose units linked by α(1→4) bonds.

a)

True

b)

False

15.

Mutarotation refers to the interconversion between α and β anomers in solution.

a)

True

b)

False

16.

Glycogen is more highly branched than starch.

a)

True

b)

False

17.

Carbohydrate digestion begins in the stomach.

a)

True

b)

False

18.

Insulin increases blood glucose levels.

a)

True

b)

False

19.

Chitin is a structural polysaccharide found in insect exoskeletons.

a)

True

b)

False

20.

Sucrose consists of glucose and galactose.

a)

True

b)

False