WorksheetsAP Bio Final Review Photosynthesis/Respiration
Total questions: 25
Worksheet time: 24mins
Name
Class
Date
1.
Which process is the largest contributor to the release of CO2
a)
Citric Acid Cycle or Krebs Cycle
b)
Pyruvate Oxidation
c)
Glycolysis
d)
Oxidative Phosphorylation
2.
Which process does not occur in aerobic conditions?
a)
Fermentation
b)
Pyruvate Oxidation
c)
Citric Acid Cycle or Krebs cycle
d)
Oxidative Phosphorylation
3.
Two different species of bacteria are examined. Scientists find that species X always produces CO2 and H2O during cellular respiration. Species Y always produces ethyl alcohol and CO2. Which conclusion can be made from these observations?
a)
Only species Y is aerobic.
b)
Only species Y is anaerobic
c)
Both species X and Y are aerobic.
d)
Both species X and Y are anaerobic.
4.
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
5.
The final electron acceptor of aerobic respiration is
a)
oxygen
b)
water
c)
carbon dioxide
d)
NAD+
6.
Purpose of fermentation is to
a)
make NAD+
b)
make carbon dioxide
c)
oxidize glucose
d)
create a proton gradient
7.
If the ETC was blocked by cyanide what would happen?
a)
the mitochondrion would over heat
b)
excessive NAD+ would build up in the cells and blood
c)
oxygen levels would decrease
d)
NADH and FADH2 would be in high levels
8.
ATP synthase directly uses _____________ to spin in order to connect phosphate onto ADP
a)
diffusion from a proton gradient
b)
diffusion from an electron gradient
c)
active transport of a proton gradient
d)
active transport of an electron gradient
9.
site of the krebs cycle
a)
1
b)
2
c)
3
d)
4
10.
Where do the light-dependent reactions occur?
a)
thylakoid membrane
b)
stroma
c)
mesophyll
d)
mitochondria
11.
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
12.
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
13.
What energy production process is shown in the image?
a)
cellular respiration
b)
alcohol fermenation
c)
lactic acid fermenation
d)
citric acid cycle
14.
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
15.
During aerobic respiration, electrons travel downhill in which sequence?
a)
food � citric acid cycle � ATP � NAD+
b)
food � NADH � electron transport chain � oxygen
c)
glucose � pyruvate � ATP � oxygen
d)
glucose � ATP � electron transport chain � NADH
16.
When electrons flow along the electron transport chains of mitochondria, which of the following changes occurs?
a)
The pH of the matrix increases.
b)
ATP synthase pumps protons by active transport.
c)
The electrons gain free energy.
d)
The cytochromes phosphorylate ADP to form ATP.
17.
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
18.
What supplies the electrons that are lost in PS I?
a)
the electrons from PS II
b)
water
c)
glucose
d)
oxygen
19.
Which of the following processes is most directly driven by light energy?
a)
carbon fixation in stroma
b)
reduction of NADP molecules
c)
ATP Synthesis
d)
removal of electrons from membrane-bound chlorophyll molecules
20.
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
21.
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
22.
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.
23.
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
24.
Green plants reflect ________ light.
a)
Red
b)
Green
c)
All
d)
Red and Violet
25.
If photosynthesizing green algae are provided with CO2 synthesized with heavy oxygen (18O), later analysis will show that all but one of the following compounds produced by the algae contain the 18O label. That one is
a)
O2.
b)
3–phosphoglycerate.
c)
glucose
d)
glyceraldehyde 3–phosphate (G3P).
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