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Honors Test Chemistry of Life

Total questions: 42

Worksheet time: 35mins

Name
Class
Date
1.

Claim: Air is matter because it has mass and takes up space. Give evidence to support this claim

4 lines
2.

How do polar substances dissolve in water?

4 lines
3.

  1. Water is awesome.  Defend this claim with evidence and reasoning by describing three of its properties that makes it awesome.

4 lines
4.

  1. Explain how polymers are formed and broken down.  Use specific names for each type of reaction and explain how the process works (forming and breaking).

4 lines
5.

Which of the following best explains the reaction represented in the figure to the left

a)

It is a dehydration synthesis reaction involved in the formation of a lipid.

b)

The reaction is the hydrolysis of a nucleic acid and results in the formation of a nucleotide.

c)

The reaction is the hydrolysis of a nucleic acid and results in the formation of a phospholipid.

d)

It is a dehydration synthesis reaction involved in the formation of a protein.

6.

What is this specific type of molecule?

a)

monosacharide

b)

nucleotide

c)

triglyceride

d)

amino acid

7.

Which Major Class of Bio-molecule is this?

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acid

8.

Which class of lipid does the image to the right belong to?

a)

Fatty Acid

b)

Phospholipid

c)

Steroid

9.

Which specific type of Bio-molecule is this?

a)

triglyceride

b)

protein

c)

phospholipid

d)

Nucleotide

10.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
11.
Why does ice float?
a)
As water freezes, it expands and its density decreases.
b)
As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
c)
As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
d)
As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.
12.
Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?
a)
Water is an acid.
b)
Water is a versatile solvent.
c)
Water has a high heat capacity.
d)
 Water acts as a buffer.
13.
 Small insects can walk across the surface of calm water. Their feet push the surface of the water down slightly, somewhat like a person walking across a trampoline, but they do not break the surface. What is the best explanation for why this happens?
a)
The insects are light enough so that they do not break the hydrogen bonds holding the water molecules together
b)
The insects actually use their wings to hover slightly above the water's surface and they only skim it with their feet
c)
The insects' feet are non-polar, so they are repelled by the polar water molecules and are pushed away from the water's surface
d)
The insects are small enough to see the individual water molecules, so they are able to step carefully from one molecule to the next
14.
Which statement explains why water molecules stick together?
a)
both sides are negative
b)
one side has a positive charge and the other side has a negative charge
c)
one side has a negative charge adn the other side has a neutral charge
d)
both sides are positive
15.
When a molecule has an opposite electrical charge on each end, it is known as what?
a)
cohesion
b)
polar molecule
c)
hydrogen bond
d)
solution
16.

What property of water allows for water to act as a temperature regulator for the world?

a)

Cohesive Behavior

b)

Expansion Upon Freezing

c)

High Specific Heat

d)

Universal Solvent

17.

What property of water causes these Alka-Seltzer tablets to dissolve?

a)

Universal Solvent

b)

Expansion Upon Freezing

c)

Cohesive Behavior

d)

High Specific Heat

18.

Sweating is an example of what property of water?

a)

Ability to Moderate Temperature

b)

Expansion Upon Freezing

c)

Cohesive Behavior

d)

Universal Solvent

19.

Water has an unusually high specific heat. What does this mean?

a)

At its boiling point, water changes from liquid to vapor.

b)

A large amount of heat is required to raise the temperature of water.

c)

Ice floats in liquid water.

d)

Salt water freezes at a lower temperature than pure water.

e)

Floating ice can insulate bodies of water.

20.

Nonpolar molecules include

a)

fats only

b)

oils only

c)

both fats and oils

d)

fats, oils and waxes

21.
A florist places a bouquet of white carnations in water containing blue dye. After a time, the flowers turn blue. What process helped the carnations to change color?
a)
Specific heat 
b)
Surface tension
c)
Cohesion and adhesion of water molecules 
d)
Formation of covalent bonds between hydrogen and oxygen molecules
22.

Does the following reference Polar, Nonpolar, or both:

"affected by an electrical charge"?

a)

Polar

b)

Nonpolar

c)

Both

23.

Does the following reference Polar, Nonpolar, or both:

"equal sharing of electrons"?

a)

Polar

b)

Nonpolar

c)

Both

24.
What are the monomers (building blocks) of CARBOHYDRATES?
a)

Monosaccharides/Glucose (simple sugars)

b)
Amino Acids
c)
Nucleotides
d)
Triglycerides/No true monomer
25.
What are the monomers (building blocks) of PROTEINS?
a)
Monosaccharides (simple sugars)
b)
Amino Acids
c)
Nucleotides
d)
Triglycerides/No true monomer
26.
What are the monomers (building blocks) of NUCLEIC ACIDS?
a)
Monosaccharides (simple sugars)
b)
Amino Acids
c)
Nucleotides
d)
Triglycerides/No true monomer
27.
What are the monomers (building blocks) of LIPIDS?
a)
Monosaccharides (simple sugars)
b)
Amino Acids
c)
Nucleotides
d)

Triglycerides(made of 3 fatty acids)/No true monomer

28.

Nucleic acids make up which of the two molecules listed below?

a)

RNA

b)

FDA

c)

DNA

d)

RDA

29.

Protons have what charge?

a)

Positive

b)

Neutral

c)

Negative

30.

Which subatomic particle has a negative charge?

a)

Proton

b)

Neutron

c)

electron

31.

Determines the identity of an element

a)

neutrons

b)

valence electrons

c)

atomic number

d)

total number of electrons

32.

Atomic number is also the number of _________.

a)

electrons

b)

neutrons

c)

protons

d)

neutons

33.

These biomolecules end in -ose. They provide quick energy to the cell. Fructose, Glucose, and Lactose are examples.

A
B
C
D
34.
Question Image

Match the following structures with their correct descriptions.

a)

Monosaccharide

1.

Consists of sugar molecules.

b)

Nucleic Acid

2.

Consists of nucleotides.

c)

Lipid

3.

Consists of glycerol and fatty acids.

d)

Protein

4.

Consists of amino acids.

35.
Question Image

Match the following Concepts with Associated Responses regarding Biomolecules.

a)

Biomolecule

1.

Molecule of Life

b)

4 Types of Biomolecules

2.

Carbohydrate

Lipid

Protein

Nucleic Acid

c)

Monomer

3.

Single Subunit

d)

Polymer

4.

2+/Multiple Subunits

e)

Biomolecule that is not a food source

5.

Nucleic Acid

36.

Match the following structures to their biomolecule

a)
1.

Carbohydrate

b)
2.

Lipid

c)
3.

Protein

d)
4.

Nucleic Acid

37.

Glucose is an example of a ​ (a)  

Fats and oils are examples of ​ (b)  

Insulin and hemoglobin are examples of ​ (c)  

Salivary amylase and lactase are examples of special proteins called ​ (d)  

DNA and RNA are examples of ​ (e)  

Choose from the below words
carbohydrate
lipids
proteins
enzymes
nucleic acids
38.

Water is a polar molecule. What is the slight charge of hydrogen (H) and the oxygen (O)?

a)

Hydrogen (+)

Oxygen (-)

b)

Hydrogen (-)

Oxygen (+)

c)

Hydrogen (-)

Oxygen (-)

d)

Hydrogen (+)

Oxygen (+)

39.
Attractions between water molecules are called
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
40.

Which characteristic of water molecules directly contributes to the remarkable "water walking" success of the aquatic insects pictured?

a)

hydrogen bonds

b)

capillary action

c)

nonpolar covalent bonds

d)

ionic bonds

41.

When water sticks to water, it is called ​ (a)   . This occurs because water is a ​ (b)   molecule, and the positive parts of one molecule stick to the positive parts of another water molecule. When this occurs with a molecule other than water, it is called ​ (c)  

Choose from the below words
cohesion
polar
adhesion
42.

Which of the following is responsible for the cohesive properties of water

a)

Hydrogen bonds between the oxygen atoms of two adjacent water molecules

b)

Covalent bonds between the hydrogen atoms of two adjacent water molecules

c)

Hydrogen bonds between the oxygen atom of one water molecule and a hydrogen atom of another water molecule

d)

Covalent bonds between the oxygen atom of one water molecule and a hydrogen atom of another water molecule

e)

Hydrogen bonds between water molecules and other types of molecules

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