Biology
C
101
t
TeHAPTER3
st Bank
Water and Life
t
t t
,Chapter 3 Water
t t t
andLife
t
,1. In a single molecule of water, two hydrogen atoms are bo
t t t t t t t t t t
nded to a single oxygen atom by?
t t t t t t
A. hydrogen bonds. t
B. nonpolar covalent bonds. t t
C. polar covalent bonds. t t
D. ionic bonds. t
E. van der Waals interactions. t t t
2. In a group of water molecules, hydrogen bonds form be
t t t t t t t t t
tween?
A. the oxygen atoms in different water molecules
t t t t t t
B. Two hydrogen atoms in different water molecules
t t t t t t
C. the oxygen atom in one water molecule and a hy
t t t t t t t t t
drogen atom in another water molecule t t t t t
D. the hydrogen atoms in a single water molecule
t t t t t t t
E. None of the listed responses is Correct t t t t t t
3. Life on Earth is dependent on all the properties of water as
t t t t t t t t t t t t
well as the abundance of water. Which property of water is
t t t t t t t t t t t
probably most important for the functioning of organisms
t t t t t t t t
at the molecular level?
t t t
A.high specific heat
t t t
B.cohesion and high surface tension C
t t t t t t
. versatility as a solvent D.exp
t t t t t t t t t
ansion upon freezing t t
E.high heat of vaporization
t t t t
4. Some substances, such as oil and gasoline, will not di
t t t t t t t t t
ssolve in water because? t t t
A. oil and gasoline are organic compounds,
t t t t t
B. their molecules have no charges or partial charges to w
t t t t t t t t t
hich water molecules can adhere t t t t
C. their electrons are so stable that they do not exchange ato
t t t t t t t t t t
ms with water molecules t t t
D. they do not ionize t t t
E. their molecules are so large t t t t
7
, 5. The partial charges on a water molecule occur because of
t t t t t t t t t
?
A. widespread ionization t
B. the unequal sharing of electrons between the hydroge
t t t t t t t
n and the oxygen atoms of a water molecule
t t t t t t t t
C. the high electronegativity of hydrogen
t t t t
D. covalent bonding t
E. the achievement of a stable configuration by one atom of a bon
t t t t t t t t t t t
d but not by the other partner
t t t t t t
6. Water molecules have t t t
than molecules of similar s t t t t t
ize, such as ammonia and methane, reflecting its capacit
t t t t t t t t
y to absorb large amounts of heat.
t t t t t t
A. less surface tension t t
B. a higher boiling point
t t t
C. a lower capacity for forming D.lo
tt tt tt tt t t
wer specific heat hydrogen bonds
t t t t
E.a lower melting point
t t t t
7. Most of water's unique features (for example, its versatilit
t t t t t t t t
y as a solvent, ability to moderate temperature, and cohesi
t t t t t t t t t
ve behavior) result from the fact that?
t t t t t t
A. hydrogen is the only element without any neutrons. t t t t t t t
B. oxygen attracts electrons more than hydrogen does. t t t t t t
C. oxygen has only one stable isotope, but hydrogen has thr t t t t t t t t t
ee.
D. oxygen has two unfilled electron shells. t t t t t
E. More than one of the above is Correct. t t t t t t t
8
C
101
t
TeHAPTER3
st Bank
Water and Life
t
t t
,Chapter 3 Water
t t t
andLife
t
,1. In a single molecule of water, two hydrogen atoms are bo
t t t t t t t t t t
nded to a single oxygen atom by?
t t t t t t
A. hydrogen bonds. t
B. nonpolar covalent bonds. t t
C. polar covalent bonds. t t
D. ionic bonds. t
E. van der Waals interactions. t t t
2. In a group of water molecules, hydrogen bonds form be
t t t t t t t t t
tween?
A. the oxygen atoms in different water molecules
t t t t t t
B. Two hydrogen atoms in different water molecules
t t t t t t
C. the oxygen atom in one water molecule and a hy
t t t t t t t t t
drogen atom in another water molecule t t t t t
D. the hydrogen atoms in a single water molecule
t t t t t t t
E. None of the listed responses is Correct t t t t t t
3. Life on Earth is dependent on all the properties of water as
t t t t t t t t t t t t
well as the abundance of water. Which property of water is
t t t t t t t t t t t
probably most important for the functioning of organisms
t t t t t t t t
at the molecular level?
t t t
A.high specific heat
t t t
B.cohesion and high surface tension C
t t t t t t
. versatility as a solvent D.exp
t t t t t t t t t
ansion upon freezing t t
E.high heat of vaporization
t t t t
4. Some substances, such as oil and gasoline, will not di
t t t t t t t t t
ssolve in water because? t t t
A. oil and gasoline are organic compounds,
t t t t t
B. their molecules have no charges or partial charges to w
t t t t t t t t t
hich water molecules can adhere t t t t
C. their electrons are so stable that they do not exchange ato
t t t t t t t t t t
ms with water molecules t t t
D. they do not ionize t t t
E. their molecules are so large t t t t
7
, 5. The partial charges on a water molecule occur because of
t t t t t t t t t
?
A. widespread ionization t
B. the unequal sharing of electrons between the hydroge
t t t t t t t
n and the oxygen atoms of a water molecule
t t t t t t t t
C. the high electronegativity of hydrogen
t t t t
D. covalent bonding t
E. the achievement of a stable configuration by one atom of a bon
t t t t t t t t t t t
d but not by the other partner
t t t t t t
6. Water molecules have t t t
than molecules of similar s t t t t t
ize, such as ammonia and methane, reflecting its capacit
t t t t t t t t
y to absorb large amounts of heat.
t t t t t t
A. less surface tension t t
B. a higher boiling point
t t t
C. a lower capacity for forming D.lo
tt tt tt tt t t
wer specific heat hydrogen bonds
t t t t
E.a lower melting point
t t t t
7. Most of water's unique features (for example, its versatilit
t t t t t t t t
y as a solvent, ability to moderate temperature, and cohesi
t t t t t t t t t
ve behavior) result from the fact that?
t t t t t t
A. hydrogen is the only element without any neutrons. t t t t t t t
B. oxygen attracts electrons more than hydrogen does. t t t t t t
C. oxygen has only one stable isotope, but hydrogen has thr t t t t t t t t t
ee.
D. oxygen has two unfilled electron shells. t t t t t
E. More than one of the above is Correct. t t t t t t t
8
