Section 20.3
Photosynthesis
Practice Test
1.
The _______________ in photosynthetic bacteria is/are found on membranes spread throughout the cells.
a.
Calories
b.
chlorophyll
c.
grana
d.
rhizomes
Hint
2.
In photosynthesis, ________________ are formed.
a.
glucose and oxygen
b.
glucose and carbon dioxide
c.
sucrose and water
d.
fructose and nitrogen
Hint
3.
The two basic series of reactions that make up photosynthesis are called __________________.
a.
the dark reactions and the nitrogen cycle
b.
the light reactions and the Calvin cycle
c.
the light reactions and the oxygen cycle
d.
the light reactions and the carbon dioxide cycle
Hint
4.
This substance provides the carbon and oxygen for the sugars produced by photosynthesis.
a.
carbon dioxide
b.
methane
c.
formaldehyde
d.
ethanol
Hint
5.
Most of the reactions that occur during photosynthesis are _______________.
a.
double replacement
b.
endothermic
c.
exothermic
d.
thermoneutral
Hint
6.
The low entropy of living things is maintained partially by ____________.
a.
an increase in the entropy of the surroundings
b.
a decrease in the energy of the universe
c.
a decrease in the entropy of the surroundings
d.
an increase in the energy of the living things
Hint
7.
Plants appear green because their leaves _____________.
a.
absorb green and yellow light
b.
reflect green and yellow light
c.
reflect red and blue light
d.
reflect UV light
Hint
8.
This high-energy compound is formed during the light reactions of photosynthesis.
a.
ATP
b.
carbon dioxide
c.
glucose
d.
sucrose
Hint
