NEW
Font size
S
M
L
XL
WorksheetsChapter 7 Quiz 3
Total questions: 13
Worksheet time: 8mins
Name
Class
Date
1.
True or False: The electron transport chains of the light reactions move electrons along a series of redox reactions
a)
True
b)
False
2.
True or False: The electron transport chains of the light reactions provide energy for the citric acid cycle
a)
True
b)
False
3.
What is the main adaptive advantage of the C4 and CAM photosynthesis strategy over the C3 strategy?
a)
They allow the plant to fix carbon more efficiently under conditions of low atmospheric CO2
b)
They make it possible for the plant to use the Calvin cycle at night
c)
They all the plant to fix carbon more efficiently in dim or cool conditions
d)
They help the plant conserve water and synthesize glucose efficiently under hot, dry conditions
4.
Which is both a reactant and a product of photosynthesis?
a)
CO2
b)
C6H12O6
c)
O2
d)
H2O
5.
Mitochondria transfer________energy from________ to ATP; chloroplasts transform ________ energy into the _______ energy of ATP
a)
light, food, kinetic, chemical
b)
food, light, nuclear, chemical
c)
chemical, food, light, chemical
d)
food, light, chemical, heat
6.
True or False: the reaction centers of photosystem I and II differ in that chlorophyll a is found in photosystem 1 and chlorophyll b is found in photosystem II.
a)
True
b)
False
7.
True or False: the reaction centers of photosystem I and II differ in that each photosystem preferentially absorbs slightly different wavelengths of light.
a)
True
b)
False
8.
Clusters of light-gathering pigments in a photosystem
a)
break down H2O
b)
pass energy to the reaction center
c)
are found in the roots of plants
d)
absorb electrons
9.
Plant cells
a)
have mitochondria and chloroplasts
b)
lack mitochondria and chloroplasts
c)
have mitochondria but not chloroplasts
d)
lack mitochondria and chloroplasts
10.
True or False: Photosystem II releases CO2 as a byproduct
a)
True
b)
False
11.
True or False: Photosystem II passes electrons to photosystem I
a)
True
b)
False
12.
The ultimate source of the food we eat and the oxygen we breathe is
a)
anaerobic metabolism
b)
glycolysis
c)
cellular respiration
d)
photosynthesis
13.
Deforestation by clear-cutting contributes to global climate change in what way?
a)
It releases CO2 into the atmosphere
b)
It removes a valuable CO2 sink
c)
It removes O2 from the atmosphere
d)
It releases methane into the atmosphere
Reset
