Name: 
 

Chapter 1 & 2 Review


Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

1. 
Biology is the study of:
a.
matter and the changes it undergoes
d.
life
b.
forces
e.
human interactions with the environment
c.
reproduction
 

2. 
The DNA molecule is most similar functionally to a
a.
pair of scissors.
b.
flashlight battery.
c.
computer memory chip.
d.
ballpoint pen.
e.
craft kit of ceramic tiles.
 

3. 
Living organisms are different from inanimate objects because they
a.
react to environmental stimuli.
b.
exhibit massive complexity.
c.
possess molecules of deoxyribonucleic acid.
d.
exhibit multiple levels of organization.
e.
all of these
 

4. 
The ability to acquire, store, transfer, or utilize energy is called
a.
biochemistry.
b.
photosynthesis.
c.
metabolism.
d.
respiration.
e.
phosphorylation.
 

5. 
Homeostasis provides what kind of environment?
a.
positive
b.
constant
c.
limiting
d.
changing
e.
chemical and physical
 

6. 
A new life cycle begins with
a.
death.
b.
pupation.
c.
formation of a larva.
d.
fertilization of an egg.
e.
hatching of an egg.
 

7. 
A scientific name consists of which of the following?
      I.  family name
     II. genus name
    III. species name
a.
I only
b.
II only
c.
III only
d.
I and II
e.
II and III
 

8. 
A mutation is a change in
a.
homeostasis.
b.
the developmental pattern in an organism.
c.
metabolism.
d.
hereditary instructions.
e.
the life cycle of an organism.
 

9. 
Which of the following statements is NOT true?
a.
Diversity is the result of evolution.
b.
The characteristics of any living organism are under the control of a chemical.
c.
The diversity of living organisms makes life unpredictable, even using scientific methods.
d.
All organisms are alike in that their structure, organization, and interactions arise from matter and energy.
e.
The behavior of individual organisms is dependent upon their evolutionary history.
 

10. 
Science is based on
a.
faith.
b.
authority.
c.
evidence.
d.
force.
e.
consensus.
 

11. 
Which is NOT an element?
a.
water
b.
oxygen
c.
carbon
d.
chlorine
e.
hydrogen
 

12. 
Which is the smallest portion of a substance that retains the properties of an element?
a.
atom
b.
compound
c.
ion
d.
molecule
e.
mixture
 

13. 
Water is an example of a(n)
a.
atom.
b.
ion.
c.
compound.
d.
mixture.
e.
element.
 

14. 
Electrons are shared in bonds called
a.
covalent.
b.
polar.
c.
nonpolar.
d.
all of these
 

15. 
Which of the following is NOT true of hydrogen bonds?
a.
They are quite weak.
b.
The hydrogen is slightly positive.
c.
They are common in macromolecules.
d.
They form in salts such as NaCl.
e.
They always involve hydrogen.
 

16. 
Water is important to the interactions of biological molecules because
a.
water molecules are attracted to the charged regions of molecules such as proteins.
b.
it forms a cushion around the macromolecules.
c.
it helps disperse the macromolecules for reactivity..
d.
it prevents settling of the molecules in places where they would be unavailable.
e.
all of these
 

17. 
Water is an excellent solvent because
a.
it forms spheres of hydration around charged substances and can form hydrogen bonds with many substances.
b.
it has a high heat-containing property.
c.
of its cohesive properties.
d.
it is a liquid at room temperature.
e.
all of these
 

18. 
Which of the following is NOT true?
a.
Acids release hydrogen ions.
b.
In a neutral solution, the amounts of hydrogen and hydroxyl ions are almost equal.
c.
Salts precipitate out of solution and have no function in cells.
d.
Polar water molecules are attracted to water.
e.
Hydrogen bonding between water molecules gives water its temperature-stabilizing and cohesive properties.
 

19. 
Cellular pH is kept near a value of 7 because of
a.
salts.
b.
buffers.
c.
acids.
d.
bases.
e.
water.
 

Other
 

20. 
Four of the five answers listed below are names of kingdoms. Select the exception.
a.
Animalia
b.
Protista
c.
Bacteria
d.
Fungi
e.
Plantae
 



 
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