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Food Chem - Exercise Structure of Carbohydrates

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.

Which of the following is NOT a classification of a carbohydrate?

a)

sugar

b)

sterol

c)

starch

d)

fiber

2.

What is the basic unit of a carbohydrate?

a)

amino acid

b)

fatty acid

c)

monosaccharide

d)

sugar

3.

Which of the following is an example of a polysaccharide?

a)

sucrose

b)

galactose

c)

glucose

d)

starch

4.

Which is NOT a type of carbohydrate?

a)

Simple

b)

Concentrated

c)

Complex

5.

Which is an example of a monosaccharide?

a)

Fructose

b)

Glucose

c)

Galactose

6.

What are functions of complex carbohydrates?

a)

Provide structure

b)

Bind products together

c)

Thicken products

d)

All of the above

7.

Are starches....?

a)

Monosaccharides

b)

Disaccharides

c)

Polysaccharides

8.

What elements makeup carbohydrates?

a)

a. Carbon, hydrogen, nitrogen, oxygen

b)

b. sulfur, carbon, hydrogen

c)

c. glucose and fructose

d)

d. carbon, hydrogen, oxygen

9.

The categories of carbohydrates based on structural complexity are:

a)

a. Ketoses, disaccharide, starch

b)

b. Aldoses and ketoses

c)

c. glucose, maltose trehalose ,starch

d)

d. Monosaccharide, disaccharide, oligosaccharide, polysaccharide

10.

What is the function of a carbohydrate?

a)

a. Movement

b)

b. Stores genetic information

c)

c. Speeds up reactions

d)

d. Stores energy

11.

What type of carbohydrate is this?

a)

a. it isn't a carbohydrate

b)

b. monosaccharide

c)

c. disaccharide

d)

d. polysaccharide

12.

What are the building blocks of carbohydrates called?

a)

a. Disaccharides

b)

b. Polysaccharides

c)

c. Monosaccharides

d)

d. Amino Acids

13.

What does hydrolysis mean?

a)

a. breaking of water molecules

b)

b. Formation by water

c)

c. Splitting by water

d)

d. Getting rid of water molecules

14.

what is the storage(s) form of carbohydrate found in mammals?

a)

a. Glucose and glycogen

b)

b. starch

c)

c. Glycogen

d)

d. Fiber and glycogen

15.

The digestion of sucrose (table sugar) results in what two monosaccharides?

a)

a. Glucose and galactose

b)

b.

Maltose and glucose

c)

c. Fructose and glucose

d)

d. Galactose and fructose

16.

Lactose is found in....

a)

vegetables

b)

b. Milk

c)

c. Fruits

d)

d. All of the above

17.

Sugar present in DNA is ___

a)

a. Ribose

b)

b. Deoxy Ribose

c)

c. Glucose

d)

d. No sugar is present in DNA

18.

Sugar present in RNA is ___

a)

a. Deoxy Ribose

b)

b. Ribose

c)

c. Glucose

d)

d. None

19.

The most abundant polysaccharide on Earth is ______

a)

a. Cellulose

b)

b. Starch

c)

c. Pectin

d)

d. Glycogen

20.

____ carbohydrate is found in exo sc.c. keleton of insects

a)

a. Chitin

b)

b. Peptidoglycan

c)

c. Pectin

d)

d. Inulin

21.

Fructose is a sugar found mainly in what?

a)

Meat

b)

Candy

c)

Vegetables

d)

Fruit

22.

Which of following foods would test positive for fructose?

a)

rice

b)

orange juice

c)

steak

d)

milk

23.
Different sugars all end in the suffix _____
a)
ly
b)
itis
c)
ose
d)
ion
24.
Animals store glucose in the form of
a)
cellulose
b)
glycogen
c)
starch
d)
chitin
25.
_______is a monosaccharide.
a)
glucose
b)
sucrose
c)
glycogen
d)
cellulose
26.
Which of following are storage polysaccharides?
a)
starch and glucose
b)
chitin and cellulose
c)
starch and glycogen
d)
chitin and glycogen
27.
Which of the following is a polysaccharide that builds up in the muscles and liver after you carb-load?
a)
Cellulose
b)
Glycogen
c)
Glucose
d)
Starch
28.
Which of the following is a monosaccharide that results from the hydrolysis of glycogen?
a)
Cellulose
b)
Glycogen
c)
Glucose
d)
Starch
29.
Which of the following is also referred to as dietary fiber on your food label?
a)
Starch
b)
Cellulose
c)
Glycogen
d)
Glucose
30.
Which of the following contains only monosaccharides?
a)
glucose, glycogen, starch
b)
fructose, glucose, sucrose
c)
glucose, fructose, galactose
d)
starch, cellulose, glycogen
31.
Which of the following contains only polysaccharides?
a)
glucose, glycogen, starch
b)
fructose, glucose, sucrose
c)
glucose, fructose, galactose
d)
starch, cellulose, glycogen
32.
 Makes up the plant's cell wall and is fiber in our diets.
a)
Starch
b)
Glycogen 
c)
Cellulose
d)
Chitin
33.

Which of the following are true of disaccharides?

a)

They are the simplest carbohydrate molecule.

b)

They do not contain carbon.

c)

They are formed when two monosaccharides molecules join together.

d)

They are made up of many monosaccharides molecules.

34.

Select ALL the carbohydrates that belong to the monosaccharide group.

a)

Sucrose

b)

Pectin

c)

Glucose

d)

Fructose

e)

Starch

35.

Select ALL the carbohydrates that belong to the disaccharide group.

a)

Sucrose

b)

Pectin

c)

Glucose

d)

Lactose

e)

Starch

36.

Select ALL the carbohydrates that belong to the polysaccharide group.

a)

Sucrose

b)

Pectin

c)

Glucose

d)

Lactose

e)

Starch

37.

Enzymes are identified by the suffix _____.

a)

-ase

b)

-ose

c)

-ol

38.

The two types of starches are...

a)

amylopectin

b)

granules

c)

polymers

d)

amylose

39.

Starches with a branched structure are called _____.

a)

amylopectin

b)

granules

c)

polymers

d)

amylose

40.

Another name for fiber is...

a)

amylose

b)

cellulose

c)

gums

d)

pectins

41.
What is sucrose (a common sugar) made of? 
a)
alpha d-glucose and d-glucose
b)
beta d-glucose and d-glucose
c)
alpha d-glucose and d-fructose
d)
beta d-glucose and d-fructose
42.
______________ carbohydrates supply longer lasting energy.
a)
simple
b)
complex
43.
If we eat too much carbohydrate it is stored in the body as ___?
a)
fat
b)
extra cells
c)
flouride
44.
Which health problems is a consequence of eating too much added sugar? 
a)
overweight
b)
heart disease
c)
diabetes
d)
all of the above
45.
Which carbohydrate provides the most bulk to the diet? 
a)
Fructose 
b)
Lactose 
c)
Fiber 
d)
Sucrose
46.
To stay healthy, you should eat more simple carbohydrates than complex carbohydrates
a)
True
b)
False
47.
What kind of carbohydrate is flour? 
a)
Simple
b)
Complex
c)
Whole wheat
d)
Monosaccharide 
48.
Whole grains provide ______, which promotes intestinal health.
a)
sugar
b)
dietary fiber
c)
starch
d)
gluten
49.
Examples of cereals are wheat, rice, maize, oats and barley. True or false?
a)
True
b)
False
50.

A simple sugar found in a honey.

a)

Glucose

b)

Fructose

c)

Galactose

d)

Sucrose

51.

What sugar is found in the blood stream?

a)

Glucose

b)

Maltose

c)

Dissacharides

d)

ATP

52.

Which of the following does dextrin belong?

a)

Monosaccharides

b)

Disaccharides

c)

Polysaccharides

d)

Lipids

53.

D and L isomers differ from each other by orientation around which C atom?

a)

Penultimate carbon

b)

Lowest number of asymmetric carbon

c)

any carbon

d)

all of the above

54.

Alpha and Beta anomers differ in orientation around 5 th carbon atom in a hexose- True or false ?

a)

True

b)

False

55.

Plants store EXCESS glucose in the form of ___________.

a)

glycogen

b)

cellulose

c)

starch

56.

Which of the following is not a reducing sugar?

a)

Glucose

b)

Maltose

c)

Fructose

d)

Sucrose

57.

What type of bond is formed between two monosaccharides?

a)

Ester bond

b)

Glycosidic bond

c)

Peptide bond

d)

Double bond

58.
What molecule is this
a)
sucrose
b)
protein
c)
glucose
d)
cellulose
59.
  Glycogen, a polysaccharide, in your liver may be broken down to glucose by the process of __________.
 
a)
hydrolysis 
b)
dehydration synthesis
dehydration synthesis
c)
 condensation
d)
 
isomerization isomerization
60.
What kind of food is an example of a complex carbohydrate?
a)
Whole wheat bread
b)
Jams
c)
Honey
d)
Table sugar

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