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Carbohydrates 1

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.

Glycans is also referred to:

a)

Monosaccharide

b)

Disaccharide

c)

Polysaccharide

2.

Simple sugar

a)

Monosaccharide

b)

Disaccharide

c)

Polysaccharide

3.

___________ Carbohydrate molecules that cannot be broken down by hydrolysis

a)

Monosaccharide

b)

Disaccharide

c)

Polysaccharide

4.

The configuration of a cyclic sugar where the oxygen on the anomeric carbon is on the opposite face of the ring

a)

Alpha

b)

Beta

c)

D

d)

L

5.

Two substituents are on the same faces of the ring

a)

Alpha

b)

Beta

c)

D

d)

L

6.

Lactose is made up of what two monosaccharides?

a)

Fructose+Fructose

b)

Galactose+Glucose

c)

Glucose+Glucose

d)

Fructose+Galactose

7.

What sugar can be found in the picture?

a)

Sucrose

b)

Lactose

c)

Fructose

d)

Maltose

8.

What sugar can be found in this picture?

a)

Lactose

b)

Maltose

c)

Fructose

d)

Sucrose

9.

Identify the compounds as to their configuration

a)

Alpha

b)

Beta

10.

Identify the compounds as to their configuration

a)

Alpha

b)

Beta

11.

Identify the compounds as to their configuration

a)

Alpha

b)

Beta

12.

Identify the compounds as to their configuration

a)

Alpha

b)

Beta

13.

A ____________ reaction takes place releasing water. This process requires energy. A glycosidic bond forms and holds the two monosaccharide units together.

a)

Evaporation

b)

Hydrolysis

c)

Condensation

d)

Precipitation

14.

When a carbohydrate is broken into its component sugar molecules by __________

a)

Evaporation

b)

Hydrolysis

c)

Condensation

d)

Precipitation

15.

Any carbohydrate of from two to twenty units of simple sugars

a)

Polysaccharide

b)

Oligosaccharide

c)

Disaccharide

d)

Monosaccharide

16.

What is the branched form of starch?

a)

Amylose

b)

Amylopectin

c)

Glycogen

d)

Glycans

17.

Example of a branched polysaccharide

a)

Dextrose

b)

Dextran

c)

Glycan

d)

Glycogen

18.

________ is a glucose polysaccharide occurring in most mammalian and nonmammalian cells

a)

Glycans

b)

Glucose

c)

Glycogen

d)

Galactose

19.

Main carbohydrate in our diet

a)

Glucose

b)

Dextrose

c)

Dextran

d)

Starch

20.

Humans cannot digest _________, but it is important in the diet as fibre.

a)

Starch

b)

Oligosaccharide

c)

Polysaccharide

d)

Cellulose