Chapter 6:
The Flow of Energy
Practice Test
1.
What is the reaction in which enzymes break down a glucose molecule into two molecules of ethanol and two molecules of carbon dioxide?
a.
energetic reaction
b.
alcoholic fermentation
c.
lactic acid fermentation
d.
aerobic respiration
Hint
2.
Which of these is NOT made up of six-carbon sugar units?
a.
starch
b.
sucrose
c.
lipids
d.
cellulose
Hint
3.
What is a type of reaction that takes place in the absence of oxygen?
a.
anaerobic reaction
b.
transport reaction
c.
aerobic reaction
d.
energetic reaction
Hint
4.
What is the range of colors that make up white light?
a.
pigments
b.
invisible spectrum
c.
visible spectrum
d.
chlorophyll
Hint
5.
Which color of light in the visible spectrum has the longest wavelength?
a.
red
b.
indigo
c.
orange
d.
blue
Hint
6.
What type of overall reaction is aerobic respiration in cells?
a.
endergonic
b.
energetic
c.
relaxed
d.
exergonic
Hint
7.
What is the molecule most readily available for energy in animals?
a.
fructose
b.
starch
c.
glucose
d.
lipid
Hint
8.
What does the acronymn ATP stand for?
a.
adenine phosphate
b.
adenine triphosphate
c.
adenosine triphosphate
d.
adenosine diphosphate
Hint
9.
The reactions of photosynthesis can be described by the following word equation: six molecules of carbon dioxide and six molecules of water react in the presence of sunlight with enzymes to yield one molecule of simple sugar and six molecules of ____________ .
a.
carbon
b.
ozone
c.
oxygen
d.
hydrogen
Hint
10.
ATP supplies energy to muscle cells through the cellular respiration of glucose. How do muscle cells get energy when oxygen cannot reach them fast enough for respiration to occur?
a.
They get energy from alcoholic fermentation.
b.
They get energy from aerobic processes.
c.
They get energy from photosynthesis.
d.
They get energy from lactic acid fermentation.
Hint
