Chapter 2 Interactive Quiz
The Chemistry of Life
Click the button to begin the quiz.
1. What three subatomic
particles make up atoms?
A. Electrons, ions, & protons
B. Neutrons, ions, & electrons
C. Protons, neutrons & electrons
D. All of the above
E. None of the above
2. How are all of the isotopes
of an element similar?
A. Have the same chemical properties.
B. Have the same number of electrons
C. Have the same number of protons
D. All of the above
E. None of the above
3. What are the two main
types of chemical bonds?
A. Ionic and hydrogen
B. Van der Waals and covalent
C. Van der Waals and ionic
D. Ionic and Covalent
E. All of the above
F. None of the above
4. Why are water molecules
polar?
A. The electrons are shared unequally between
the oxygen and the hydrogen.
B. The water molecule is bent.
C. Oxygen is on one side and hydrogen on the
other.
D. There are more electrons in oxygen than in
hydrogen.
5. What are acidic solutions?
A. Acidic solutions contain higher concentrations
of H+ ions than pure water
B. Acidic solutions have pH values below 7
C. Acidic solutions contain lower concentrations of
H+ ions than pure water
D. Acidic solutions have pH values above 7
E. A & B only
F. C & D only
6. Which
of these are the
functions of lipids ?
A.Gives the cell energy
B.Maintains and builds cell
membranes
C.Builds structures within the cell
D.Runs cell processes
E.Instructs the cell and maintains
genetic material
7. Which of these are the
functions of carbohydrates ?
a.
b.
c.
d.
e.
Gives the cell energy
Maintains and builds cell membranes
Builds structures within the cell
Runs cell processes
Instructs the cell and maintains genetic
material
8. What happens to chemical
bonds during chemical
reactions?
A. Bonds never break.
B. Always involves the breaking of
bonds in reactants
C.Always involves the formation of new
bonds in products
D.B & C only
E.None of these are right.
9. How do energy changes
affect whether a chemical
reaction will occur?
A. Some reactions absorb energy.
B. Some reactions release energy.
C. Reactions that absorb energy need energy to
begin the reaction.
D. Reactions that release energy will react
spontaneously.
E. A & B only
F. All are correct
G. None are correct.
10. Why are enzymes
important to living things?
A. Enzymes lower the activation energy of a
reaction.
B. Some reactions are too slow.
C. Enzymes speed up chemical reactions in
cells.
D. A & C only
E. All are correct
F. None are correct.