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IB-Carbohydrates

Total questions: 80

Worksheet time: 3hrs 12mins

Name
Class
Date
1.

Monosaccharides are monomers of

a)

Lipids

b)

Nucleic Acids

c)

Proteins

d)

Carbohydrates

2.

This is an example of what macromolecule?

a)

Lipids

b)

Nucleic Acid

c)

Carbohydrate

d)

Lipid

3.

The main function of a carbohydrate is

a)

long term energy storage

b)

stores genetic information

c)

short term energy storage

d)

regulates and controls all body proccesses

4.

What suffix (word ending) is used in the names of most carbohydrates?

a)

-ase

b)

-yme

c)

-ose

d)

-nic

5.

All polymers are made up of...

a)

monosaccharides

b)

polysaccharides

c)

monomers

d)

none of these

6.

How many sugar units make up polysaccharides?

a)

one

b)

two

c)

more than two

d)

zero

7.
A single unit of sugar is referred to as:
a)
Monosaccharide
b)
Monocarbohydrate
c)
Mononutrient
d)
Monopolymer
8.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
9.
The scientific name for table sugar is ___
a)
lactose
b)
sucrose
c)
galactose
d)
glucose
10.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
11.
The 3 categories of carbohydrates are:
a)
Monosaccharide, disaccharide, polysaccharide
b)
glucose, fructose, galatose
c)
starch, cellulose, chitin
d)
There are no categories of carbohydrates
12.
Examples of polysaccharides are ......
a)
glucose and fructose
b)
cellulose and starch
c)
sucrose and lactose
d)
sucrose and fructose
13.

Starch is a mixture of which two polysaccharides?

a)

Amylose & Amylopectin

b)

Amylopectin & Cellulose

c)

Amylose & Cellulose

d)

Cellulose & Cellulite

14.
When two monosaccharides combine, they do so by a process called......
a)
condensation
b)
hydrolysis
c)
hydrogen bonding
d)
fusion
15.
The bond linking together of monosaccharides to form disaccharides is called......
a)
glycosidic bond
b)
peptide bond
c)
ester bond
d)
ionic bond
16.
Starch, glycogen, and cellulose are all made by linking glucose molecules together.
a)
True
b)
False
17.
What reaction is taking place?
a)
Condensation
b)
Hydrolysis
c)
Hydrogen Bonding
18.

Which monomers are in lactose?

a)

glucose

b)

galactose

c)

fructose

d)

ribose

e)

deoxyribose

19.

Which monomer(s) are released from the hydrolysis of starch?

a)

glucose

b)

galactose

c)

fructose

d)

ribose

e)

deoxyribose

20.

Which of these carbohydrates is a disaccharide?

a)

Galactose

b)

Sucrose

c)

Fructose

d)

Pentose

21.

What is the main role of starch?

a)

Insulation

b)

Energy storage

c)

Structural

d)

Hormone

22.

Glucose is absorbed through protein channels in the plasma membrane of epithelium cells in the small intestine. Which characteristics of glucose prevent its diffusion through the phospholipid bilayer?

a)

it is non-polar and therefore hydrophobic

b)

its hydrogen bonds link with amino acids in the protein channel

c)

it is polar and therefore hydrophilic

d)

its covalent bonds interact with the phospholipids

23.

Which molecule is a sugar?

a)
b)
c)
d)
24.

What molecule is a polysaccharide?

a)

glucagon

b)

glycose

c)

glycerol

d)

glycogen

25.

Which of the following molecules is ribose?

a)
b)
c)
d)
26.

milk contains lactose which some people can digest but some cannot. State what type of sugar lactose is?

a)

dissaccharides

b)

monosaccharides

c)

polysaccharides

d)

triglicerides

27.

Lactose is composed of

a)

glucose + fructose

b)

glucose + glucose

c)

glucose + sucrose

d)

glucose + galactose

28.

Which monosaccharide is the sweetest?

a)

glucose

b)

fructose

c)

galactose

d)

sucrose

29.

What makes up the disaccharide sucrose?

a)

glucose + glucose

b)

glucose + fructose

c)

glucose + galactose

d)

glucose + maltose

30.

What two monosaccharides make up maltose?

a)

glucose + galactose

b)

glucose + glucose

c)

glucose + fructose

d)

glucose + glycogen

31.
The function of carbohydrates are ........
a)
insulation
b)
store genetic information
c)
long-term energy storage
d)
 energy and structure
32.
Examples of polysaccharides are ......
a)
glucose and fructose
b)
cellulose and starch
c)
sucrose and lactose
d)
sucrose and fructose
33.

Starch is a mixture of which two polysaccharides?

a)

Amylose & Amylopectin

b)

Amylopectin & Cellulose

c)

Amylose & Cellulose

d)

Cellulose & Cellulite

34.

Which of the following are TRUE about cellulose? (3)

a)

It is the most abundant carbohydrate

b)

It is a polymer of two types of monomer α- glucose & β-glucose

c)

It is a major component of plant cell walls

d)

It is formed by a condensation reaction that results in glycosidic bonds

e)

It is soluble

35.
Monomers are ......
a)
the single sub-units of macromolecules
b)
large molecules
c)
one living thing
d)
another name for carbohydrates
36.
When two monosaccharides combine, they do so by a process called......
a)
condensation
b)
hydrolysis
c)
hydrogen bonding
d)
fusion
37.
When a disaccharide is broken apart the reaction is know as ......
a)
condensation
b)
hydrolysis
c)
hydrogen bonding
d)
fusion
38.
The bond linking together of monosaccharides to form disaccharides is called......
a)
glycosidic bond
b)
peptide bond
c)
ester bond
d)
ionic bond
39.

Starch is a great energy storage molecule because... (3)

a)

it is a compact molecule

b)

it is insoluble

c)

it is readily hydrolyzed to form sugar

d)

it contains twice the amount of energy than any other biological energy storage molecule

e)

it is a monosaccharide

40.
Starch, glycogen, and cellulose are all made by linking glucose molecules together.
a)
True
b)
False
41.
Starch, glycogen, and cellulose are all different because .....
a)
they are formed using different a combination of sucrose and glucose
b)
they are made using different forms of glucose
c)
they are formed using a different combination of glucose and fructose
d)
they are formed using different forms of sucrose
42.
What reaction is taking place?
a)
Condensation
b)
Hydrolysis
c)
Hydrogen Bonding
43.
What bond is being formed?
a)
Glycosidic bond
b)
Peptide bond
c)
Ester bond
d)
Hydrogen bond
44.
Many __________ come together to form one ______________.
a)
monomers; polymer
b)
polymers; monomer
45.

Which monomers are in lactose?

a)

glucose

b)

galactose

c)

fructose

d)

ribose

e)

deoxyribose

46.

Which monomer(s) are released from the hydrolysis of starch?

a)

glucose

b)

galactose

c)

fructose

d)

ribose

e)

deoxyribose

47.

Which monomers are found in sucrose

a)

glucose

b)

galactose

c)

ribose

d)

deoxyribose

e)

fructose

48.

Which is correct?

a)

A

b)

B

c)

C

d)

D

49.
Branched, globular starch
a)
Amylopectin
b)
Glycogen
c)
Amylose
d)
Monosaccharides
50.
What atoms make up all carbohydrates?
a)
Carbon, Sulfur, Hydrogen
b)
Carbon, Oxygen, Phosphorus
c)
Carbon, Oxygen, Nitrogen
d)
Carbon, Oxygen, Hydrogen
51.
These are the main sources of energy of the body.
a)
carbohydrates
b)
protein
c)
nucleic acids
d)
lipids
52.
Each carbohydrate molecule is composed of the following EXCEPT ______.
a)
nitrogen
b)
carbon
c)
oxygen
d)
hydrogen
53.
These are the simplest form of carbohydrates.
a)
monosaccharides
b)
polysaccharides
c)
disaccharides
d)
polymers
54.
This is the primary form of sugar that is stored in the body as a source of energy.
a)
glucose
b)
galactose
c)
maltose
d)
fructose
55.
It is also referred to as blood sugar.
a)
glucose
b)
sucrose
c)
fructose
d)
galactose
56.
It is also called fruit sugar.
a)
fructose
b)
glucose
c)
sucrose
d)
galactose
57.
It is the primary carbohydrate derived from fruits and honey.
a)
fructose
b)
glucose
c)
sucrose
d)
galactose
58.
A carbohydrate that needs to be transformed to glucose in the liver before it can be utilized.
a)
galactose
b)
fructose
c)
sucrose
d)
maltose
59.
It is commonly known as table sugar.
a)
sucrose
b)
glucose
c)
lactose
d)
fructose
60.
It is obtained from starchy foods such as potatoes and corn.
a)
maltose
b)
sucrose
c)
lactose
d)
galactose
61.
It is the principal carbohydrate in milk.
a)
lactose
b)
galactose
c)
sucrose
d)
maltose
62.
It is also called milk sugar.
a)
lactose
b)
galactose
c)
sucrose
d)
maltose
63.
It is a soft, white, and tasteless powder that is soluble in warm water but insoluble in cold water.
a)
starch
b)
chitin
c)
cellulose
d)
glycogen
64.
It is the principal structural component of plant cell walls, making stems, leaves, and branches strong.
a)
cellulose
b)
starch
c)
chitin
d)
glycogen
65.
It is an indigestible carbohydrate.
a)
cellulose
b)
starch
c)
chitin
d)
glycogen
66.
It is also known as animal starch.
a)
glycogen
b)
cellulose
c)
starch
d)
chitin
67.
It is stored in the liver and muscles. It also serves as a reservoir of the readily available glucose that is releases from the liver when the glucose level in the blood becomes low.
a)
glycogen
b)
cellulose
c)
starch
d)
chitin
68.
It is the major constituent of the exoskeleton of fungi and arthropods.
a)
chitin
b)
glycogen
c)
cellulose
d)
starch
69.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
70.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
71.

What type of carbohydrate is maltose?

a)

Monosaccharide

b)

Disaccharide

c)

Polysaccharide

d)

Triglyceride

72.

Identify the molecule

(a)  

73.

Identify the reaction that occurs to form a bond between two monosaccharides

a)

Hydrolysis

b)

Thermal

c)

Condensation

d)

Hydrogen

74.

What type of bond forms between two monosaccharides for a disaacharide to form?

a)

Hydrogen

b)

Glycosidic

c)

Ester

d)

Peptide

75.

Identify the molecule

a)

Lactose

b)

Cellulose

c)

Amylopectin

d)

Fructose

76.

Glycogen has more 1,6 glycosidic bonds than amylose

a)

True

b)

False

77.

What type of carbohydrate is cellulose?

a)

Monosaccharide

b)

Disaccharide

c)

Polysaccharide

d)

Polypeptide

78.

Which of these carbohydrates is NOT a disaccharide?

a)

Galactose

b)

Sucrose

c)

Fructose

d)

Pentose

79.

What is the main role of starch?

a)

Insulation

b)

Energy storage

c)

Structural

d)

Hormone

80.

State the reaction required to break a glycosidic bond

(a)  

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