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WorksheetsAP Respiration/Photosynthesis
Total questions: 40
Worksheet time: 31mins
Name
Class
Date
1.
Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle?
a)
CO2 and glucose
b)
H2O and O2
c)
electrons and H+
d)
ATP and NADPH
2.
Where does the Calvin cycle take place?
a)
stroma of the chloroplast
b)
thylakoid membrane
c)
outer membrane of the chloroplast
d)
interior of the thylakoid membrane
3.
When oxygen is released as a result of photosynthesis, it is a direct by-product of
a)
reducing NADP+
b)
splitting water molecules
c)
chemiosmosis
d)
electron transfer in photosystem II and I
4.
Which of the following is directly associated with Photosystem I?
a)
harvesting light energy to make ATP
b)
receiving electrons from the thylakoid membrane ETC
c)
generation of molecular oxygen
d)
extraction of hydrogen electrons from the splitting of water
5.
What is the primary function of cyclic electron flow?
a)
to produce additional NADPH
b)
to produce additional ATP
c)
to produce additional oxygen
d)
to produce additional carbon dioxide
6.
In a plant cell, where are ATP synthase complexes located?
a)
thylakoid membranes only
b)
inner mitochondrial membranes only
c)
thylakoid membrane and inner mitochondrial membranes
d)
thylakoid membrane and plasma membranes
7.
Which of the following statements about the relationship between photosynthesis and cellular respiration is true?
a)
In cellular respiration the biochemical pathways of photosynthesis run in reverse.
b)
In photosynthesis the biochemical pathways of cellular respiration run in reverse.
c)
Cellular respiration occurs only in animals and photosynthesis occurs only in plants.
d)
Cellular respiration is catabolic and photosynthesis is anabolic.
8.
Where are the molecules of the electron transport chain associated with photophosphorylation located in plant cells?
a)
thylakoid membanes of chloroplasts
b)
stroma of chloroplasts
c)
matrix of mitochondria
d)
outer membrane of chloroplasts
9.
In photosynthetic cells, synthesis of ATP by chemiosmosis occurs during
a)
photosynthesis only
b)
cellular respiration only
c)
both photosynthesis and cellular respiration
d)
photophosphorylation only
10.
What is the primary function of the Calvin cycle?
a)
regenerate ATP for use in the light reactions of photosynthesis
b)
produce carbon dioxide for use in the light reactions of photosynthesis
c)
produce oxygen by oxidizing water
d)
produce simple sugars from carbon dioxide
11.
CAM plants keep stomata closed in daytime, thus reducing loss of water. They can do this because they
a)
fix CO2 into organic acids during the night when temperatures are cooler.
b)
fix CO2 into by combining it with RuBP in the Calvin cycle.
c)
obtain CO2 through their roots during the day.
d)
fix CO2 into organic acids in the mesophyll cells, which do not rely on stomata.
12.
In chemiosmosis in mitochondria, protons flow from the intermembrane space into the matrix, whereas in chemiosmosis in chloroplasts, protons flow from
a)
stroma into the cytosol
b)
stroma to the thylakoid space
c)
thylakoid space to the stroma
d)
intermembrane space to the stroma
13.
Which of the following is NOT a product of cellular respiration?
a)
carbon dioxide
b)
oxygen
c)
water
d)
ATP
14.
The main purpose of anaerobic respiration is to
a)
produce oxygen
b)
replenish NAD+ for glycolysis
c)
replenish oxaloacetic acid for the Krebs cycle
d)
produce ATP
15.
The final electron acceptor of aerobic respiration is
a)
oxygen
b)
water
c)
carbon dioxide
d)
NAD+
16.
What is the fate of the carbons of glucose once it has completely gone through the Krebs cycle?
a)
it is used to make water
b)
it is used to produce ATP
c)
it is exhaled
d)
it is used to make electron acceptors
17.
What is the main purpose of the Krebs cycle?
a)
to produce ATP
b)
to produce electron donators
c)
to produce water
d)
to produce carbon dioxide
18.
Where does glycolysis occur?
a)
the cytoplasm of the cell
b)
the nucleus of a cell
c)
the matrix of the mitochondria
d)
in the nucleolus
19.
Which molecules are made during the Krebs Cycle to power the electron transport chain?
a)
ATP and CO2
b)
ATP and NADH
c)
NADH and FADH2
d)
ADP, NAD+ and FAD+
20.
Use the diagram to answer the question. Between which parts of the molecule must the bonds be broken to form an ADP molecule?
a)
A and B
b)
A and C
c)
B and C
d)
C and D
21.
What intermediate step is between glycolysis and the Krebs cycle?
a)
ETC
b)
Substrate level phosphorylation
c)
Chemiosmosis
d)
Pyruvate oxidation
22.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make oxygen
23.
What molecules are missing from the calvin cycle shown.
a)
NADPH and Glucose
b)
CO2 and NADPH
c)
FADH2 and NADH
d)
Glucose and water
24.
Which pigment is most efficient at the highest frequency of the electromagnetic spectrum?
a)
Chlorophyll A
b)
Chlorophyll B
c)
Carotenoids
d)
No pigment is efficient at high energies
25.
Plants with the largest amount of which pigment will be best suited for growing conditions where light has a green hue.
a)
Chlorophyll A
b)
Chlorophyll B
c)
Carotenoids
d)
A combination of all 3
26.
How is a molecule reduced?
a)
electrons are given to the molecule
b)
electrons are taken from the molecule
c)
money is taken from the molecule
d)
protons are given to the molecule
27.
Which type of plants have evolved to go through the Calvin cycle at night?
a)
C3 plants
b)
C4 plants
c)
CAM plants
d)
Carpet Plant
28.
Halobacterium has a photosynthetic membrane that is colored purple. Its photosynthetic action spectrum is exactly complementary (opposite to) the action spectrum for green plants. What wavelengths of light do the Halobacterium photosynthetic pigments absorb?
a)
red and yellow
b)
blue and red
c)
blue, green, and red
d)
green and yellow
29.
Which statement describes the functioning of photosystem II?
a)
Light energy excites electrons in the thylakoid membrane electron transport chain.
b)
Photons are passed along to a reaction�center chlorophyll.
c)
The P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH.
d)
The electron vacancies in P680+ are filled by electrons derived from water.
30.
Why are C4 plants able to photosynthesize with no apparent photorespiration?
a)
They do not participate in the Calvin cycle.
b)
They use PEP carboxylase to initially fix CO2.
c)
They are adapted to cold, wet climates.
d)
They conserve water more efficiently.
31.
It is important to create a concentration of H+ in the thylakoid space so that the H+ can diffuse through_________ to create ______.
a)
ATP synthase, ATP
b)
NADH, NADPH
c)
proton pump, protons
32.
What is the final electron acceptor in the ETC?
a)
Oxygen/water
b)
CO2
c)
Glycolysis
d)
Photosynthesis
33.
______________ produces the most ATP.
a)
photosnthesis
b)
aerobic respiration
c)
anaerobic respiration
d)
glycolysis
34.
Carbon fixation
a)
is part of the Krebs Cycle
b)
is part of the Calvin Cycle
c)
is part of the ETC
d)
is part of the Light Reactions
35.
CAM plants keep stomata closed in daytime, thus reducing loss of water. They can do this because they
a)
fix CO2 into
organic acids during the night when temperatures are cooler.
b)
fix CO2 into by
combining it with RuBP in the Calvin cycle.
c)
obtain CO2 through their roots during the day.
d)
fix
CO2 into organic acids in the mesophyll cells,
which do not rely on stomata.
36.
Compared to C3 plants, C4 plants
a)
) have higher rates of photorespiration.
b)
can
continue to fix CO2 even at relatively low CO2 concentrations and high oxygen concentrations.
c)
do not use rubisco for carbon fixation.
d)
grow better under cool, moist conditions.
37.
Which of the following statements best represents the relationships between the light reactions and the Calvin cycle?
a)
The
light reactions provide ATP and NADPH to the Calvin cycle, and the Calvin cycle
returns ADP, ℗i,
and NADP+ to the light reactions.
b)
The light reactions provide ATP and NADPH to the
carbon fixation step of the Calvin cycle, and the Calvin cycle provides water
and electrons to the light reactions.
c)
The light reactions supply the Calvin cycle with
CO2 to produce sugars, and the Calvin cycle
supplies the light reactions with sugars to produce ATP.
d)
The light reactions provide the Calvin cycle
with oxygen for carbon fixation, and the Calvin cycle provides the light
reactions with sugars to produce ATP.
38.
Reactions that consume CO2 take place in
a)
the light reactions of photosynthesis only
b)
the calvin cycle only
c)
the light reactions and the calvin cycle
d)
the calvin cycle and the citric acid cycle
39.
What is the primary function of the Calvin cycle?
a)
regenerate
ATP for use in the light reactions of photosynthesis
b)
produce carbon dioxide for use in the light
reactions of photosynthesis
c)
produce oxygen by oxidizing water
d)
produce simple sugars from carbon dioxide
40.
Which of the following statements about the relationship between photosynthesis and cellular respiration is true?
a)
In cellular respiration the biochemical pathways
of photosynthesis run in reverse.
b)
In photosynthesis the biochemical pathways of
cellular respiration run in reverse.
c)
Cellular respiration occurs only in animals and
photosynthesis occurs only in plants.
d)
Cellular respiration is catabolic and
photosynthesis is anabolic.
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