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Biochemistry-Quiz no. 2 Carbohydrates

Total questions: 65

Worksheet time: 1hrs 11mins

Name
Class
Date
1.
What atoms make up all carbohydrates?
a)
Carbon, Sulfur, Hydrogen
b)
Carbon, Oxygen, Phosphorus
c)
Carbon, Oxygen, Nitrogen
d)
Carbon, Oxygen, Hydrogen
2.
How many sugar units make up polysaccharides?
a)
one
b)
two
c)
more than two
d)
zero
3.
Which do all carbohydrates do for us?
a)
provide energy
b)
make muscle
c)
make brains
d)
make hair
4.
What molecule is this
a)
sucrose
b)
protein
c)
glucose
d)
cellulose
5.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
6.
All carbohydrate names end with which ending:
a)
ise
b)
ase
c)
ese
d)
ose
7.
These are all properties of a disaccharide EXCEPT:
a)
made up of two sugars
b)
sucrose
c)
2 monosaccharides joined by dehydration synthesis
d)
ratio of 1:2:1
8.
Which of these are examples of carbohydrates?
a)
DNA, RNA
b)
Fats, hormones
c)
amino acids
d)
starches, glucose, chitin
9.
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
10.
What happens if you eat more carbohydrates then your body needs?
a)
becomes DNA 
b)
turns to fat 
c)
creates extra energy 
d)
becomes waste
11.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
12.
What kind of food is an example of a complex carbohydrate?
a)
Whole wheat bread
b)
Jams
c)
Honey
d)
Table sugar
13.

What is the first nutrient to break down in the body?

a)

Carbohydrates

b)

Fat

c)

Protein

d)

Discretionary calories

14.
Some carbohydrate foods are ________
a)
fruits
b)
grains
c)
vegetables
d)
all the above
15.
An example of a simple carbohydrate could be ________________.
a)
bread
b)
oatmeal
c)
cupcake
d)
pasta
16.
The simple sugar from fruit is called_____.
a)
sucrose
b)
lactose
c)
fructose
d)
maltose
17.
The simple sugar in milk is ________.
a)
lactose
b)
maltose
c)
sucrose
d)
fructose
18.
______________ carbohydrates supply longer lasting energy.
a)
simple
b)
complex
c)
generic
19.
The following is an example of a complex carbohydrate
a)
can of pop
b)
poptart
c)
sweet potato
d)
Snickers
20.
When choosing carbohydrates, try and choose ___________ carbs.
a)
complex
b)
simple
21.
How do the number of H atoms compare to the number of O atoms in a carbohydrate?
a)
There are TWICE as many H
b)
They are the same amount
c)
There are THREE times as many H
d)
There are TWICE as many O
22.
C6H12O6 is the molecular formula for what carbohydrate?
a)
Sucrose
b)
Glucose
c)
Fructose
d)
Both glucose and fructose
23.
Smallest unit a biomolecule can be broken down into while still maintaining the properties.
a)
Polymer
b)
Monomer
24.
Polymers form when a single water molecule is removed from between two monomers
a)
Dehydration synthesis
b)
Hydrolysis 
25.
Carbohydrtaes are made up of 
a)
CHO
b)
CHON
c)
CHONS
d)
CHONPS
26.
Carbohydrates are
a)
Hydrophobic
b)
Hydrophilic 
27.
Carbohydrates provide
a)
long tern energy
b)
genetic information
c)
cell membrane
d)
short term energy
28.
Sucrose (table sugar)
Lactose (Milk Sugar)
Maltose (Grain sugar) 
are examples of 
a)
polysaccharides 
b)
monosaccarides 
c)
disaccharides
29.
Examples are starch, glycogen, and cellulose
a)
polysaccharides 
b)
monosaccarides 
c)
disaccharides
30.
______+_____= lactose
a)
glucose + glucose
b)
glucose+ fructose
c)
glucose + galactose
31.
______+_____= sucrose
a)
glucose + glucose
b)
glucose+ fructose
c)
glucose + galactose
32.
______+_____= Maltose
a)
glucose + glucose
b)
glucose+ fructose
c)
glucose + galactose
33.
Found in fruits, vegetables, grains, potatoes, pasta, breads.
a)
Starch
b)
Glycogen 
c)
Cellulose
34.
Stored in the liver
a)
Starch
b)
Glycogen 
c)
Cellulose
35.
 Makes up the plants cell wall and is fiber in our diets
a)
Starch
b)
Glycogen 
c)
Cellulose
36.

All the following are monosaccharides EXCEPT:

a)

Starch

b)

Glucose

c)

Fructose

d)

flour

37.

Which of these bonds are found in chain of carbohydrates?

a)

Glycosidic Bonds

b)

Phophodiester Bonds

c)

Peptide Bonds

d)

Hydrogen Bonds

38.

The sugars produced during photosynthesis are utilized in all of the following EXCEPT-

a)

Cellular Respiration

b)

Protein Synthesis

c)

Cellulose

d)

Starch

39.

Cellulose is a structural carbohydrate found in-

a)

plants

b)

fungi

c)

insects

d)

polyvinyl

40.

The difference between glucose and galactose is found at-

a)

Carbon 1

b)

Carbon 2

c)

Carbon 6

d)

Carbon 4

41.

All of the following are hexose sugars EXCEPT-

a)

Deoxyribose

b)

Glucose

c)

Fructose

d)

Galactose

42.

Which of the following tests for starch?

a)

Iodine Solution

b)

Benedict's Solution

c)

Biuret Solution

d)

Ethanol

43.

When reducing sugar (glucose) is present Benedict's turns...

a)

purple

b)

blue-black

c)

brick-red

d)

green

44.

In a negative test for starch, what colour will iodine solution be?

a)

yellow-brown

b)

blue

c)

black

d)

blue-black

45.

A negative test for glucose will cause Benedicts to stay...

a)

brick red

b)

blue

c)

black

d)

yellow

46.

If you drop iodine solution on bread, it changes to Black. What does this show?

a)

Bread contains protein

b)

Bread contains sugar

c)

Bread contains starch

d)

Bread contains lipids?

47.
Which test requires heat?
a)
Benedicts
b)
Biuret
c)
Iodine
48.

This photo represents a

a)

negative test for glucose

b)

negative test for protein

c)

positive test for starch

d)

positive test for glucose

49.

Which of the following tests for Glucose (sugar)?

a)

Iodine solution

b)

Benedict's solution

c)

Biuret test

d)

Ethanol

50.

When Starch is present Iodine Solution turns...

a)

Clear

b)

Cloudy/White

c)

Black

d)

Orange

51.

The building blocks of starch are

a)

glycerol

b)

amino acids

c)

sugars

d)

fatty acids

52.

What tests for starch?

a)

Benedict's Solution

b)

Iodine Solution

c)

Iodine

d)

Ethanol

53.

This molecule is the energy source for cells. What is it?

a)

Lactose

b)

An Enzyme

c)

DNA

d)

ATP

54.

Calories and carbohydrates provide you with energy.

a)

True

b)

False

55.

I am testing for the presence of glucose (a monosaccharide/simple sugar), which pair would indicate a positive test?

a)

Benedicts/light blue

b)

Iodine/brown

c)

Benedicts/orange

d)

Iodine/dark blue

56.

I am testing for the presence of starch, which pair would indicate a positive test?

a)

Benedicts/light blue

b)

Iodine/brown

c)

Benedicts/orange

d)

Iodine/dark blue

57.

Fake sugars affect the sense of taste because?

a)

They burn off taste buds

b)

They do not affect the sense of taste

c)

They are hundreds of times sweeter than table sugar

58.
What might happen if you didn't get enough carbohydrates?
a)
Your body wouldn't be able to build muscle mass
b)
Your body wouldn't have enough energy to function
c)
You would develop serious vitamin deficiencies
d)
Your bones and teeth would become weaker
59.
Which of the following contains complex carbohydrates?
a)
chocolate candy bar
b)
soda
c)
cookies
d)
apple
60.
How is fiber different from most other foods you eat?
a)
It doesn't contain any sugars at all
b)
Consuming it robs your body of nutrients
c)
Your body can't digest it
d)
It contains elements of all the major food groups
61.
Which food contains the most starch?
a)
pasta
b)
broccoli
c)
table sugar
d)
steak
62.
Where in your body are complex carbohydrates broken down into simple sugars?
a)
In your bloodstream
b)
In your intestines
c)
In your mouth
d)
In your liver
63.
If you're hungry, but don't want your blood sugar to spike, what should you eat?
a)
a baked potato
b)
an apple
c)
sushi with white rice
d)
a candy bar
64.
Which of the following breads is the healthiest?
a)
white
b)
Italian
c)
whole wheat
d)
sourdough
65.
Your body breaks down most complex carbohydrates into:
a)
fructose
b)
sucrose
c)
glucose
d)
starch

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