Chapter 4:
Autotropy: Collecting Energy from the Nonliving Environment
Practice Test
1.
What is a decline in the rate of photosynthesis when light is more intense than the light saturation point?
a.
sunlight declination
b.
light resistance
c.
energy transfer
d.
photoinhibition
Hint
2.
Which of these is NOT a chemoautotroph?
a.
iron bacteria
b.
hydrogen bacteria
c.
tube worms
d.
sulfur bacteria
Hint
3.
Within a chloroplast, the space surrounding the thylakoids is called the ________ .
a.
cuticle
b.
grana
c.
stoma
d.
stroma
Hint
4.
What is a specialization for photosynthesis found in desert plants, such as jade plants?
a.
bundle sheath
b.
CAM
c.
photorespiration
d.
photoinhibition
Hint
5.
What is the activity of a process per unit of time?
a.
its action
b.
its function
c.
its speed
d.
its rate
Hint
6.
What are the stacks of thylakoid membranes found inside the chloroplasts of plant cells?
a.
stoma
b.
grana
c.
cuticles
d.
guard cells
Hint
7.
What is the process in which glycolate is transported out of the chloroplast and partly broken down to carbon dioxide?
a.
photorespiration
Hint
8.
As temperature increases, what is the overall effect on photosynthesis?
a.
There is no overall effect because temperature is not a limiting factor in photosynthesis.
b.
The rate of photosynthesis increases, then declines.
c.
The rate of photosynthesis decreases with increasing temperatures.
d.
The rate of photosynthesis continues to increase with increasing temperatures.
Hint
9.
What are organisms that obtain energy by oxidizing inorganic substances such as iron and sulfur?
a.
consumers
b.
chemoautotrophs
c.
photoautotrophs
d.
decomposers
Hint
10.
Which of these plants belongs to a group of plants known as C3 plants?
a.
wheat
b.
sugarcane
c.
corn
d.
crabgrass
Hint
