Download The light reaction of photosynthesis does not include

The light reaction
of photosynthesis
does not include
A)
B)
C)
D)
2
B)
C)
D)
charge separation
electron transport
RuPB
PGA
ATP
G3P
Photosynthesis takes place in the membranes of small sacs called
A)
B)
C)
D)
4
oxygen liberation
The final product of the Calvin cycle is
A)
3
chemiosmosis
thylakoids
grana
photosystems
photons
The dark reaction in photosynthesis is limited by
A)
B)
C)
D)
CO2, temperature, and light
CO2, light, and water
water, temperature, and CO2
oxygen, water, and temperature
5
Colors of light most useful in photosynthesis are
A)
B)
C)
D)
6
red, violet, and blue
infrared, red, and yellow
red, white, and blue
During what stage of photosynthesis is O2 produced?
A)
B)
C)
D)
E)
7
green, yellow, and orange
cyclic photophosphorylation
the light-dependent reactions involving photosystems I and II
carbon fixation
the Krebs cycle
O2 is not produced during photosynthesis
The pigment molecules responsible for photosynthesis are located in the
A)
B)
C)
D)
E)
mitochondria
cytoplasm of the cell
stroma of the chloroplast
thylakoid membrane of the chloroplast
all of the above
8
Both carotenoids and chlorophylls
A)
B)
C)
D)
E)
1
B)
C)
D)
contain porphyrin rings
all of the above
none of the above
the light-dependent reactions
the light-independent reactions
both of the above
none of the above
Water vapor exits and CO2 enters a leaf through the
A)
B)
C)
D)
E)
13
absorb photons of all energy ranges
During what stage of photosynthesis are ATP and NADPH converted to ADP + Pi and NADP+?
A)
12
are pigments
stomata
grana
porphyrin rings
photons
stroma
14
What energy-rich organic compound is produced as a result of the Calvin cycle?
A)
B)
C)
D)
E)
15
CO2
ATP
H2O
glucose
High-energy photons
A)
B)
C)
D)
17
NADPH
have long wavelengths
have short wavelengths
are more likely to produce red light than blue light
cannot be absorbed
During photosynthesis, photons raise electrons to higher energy levels. These excited electrons
belong to what compound?
A)
B)
C)
D)
E)
H2O
ATP
RuBP
glucose
Chlorophyll
18
Which of the following occurs during the light-dependent reactions of plants?
A)
B)
C)
D)
E)
19
chemiosmosis
splitting of water
all of the above
none of the above
The oxygen that is released as O2 during photosynthesis came from _____________ molecules.
A)
B)
C)
D)
E)
22
electron transport
carbon dioxide
water
glucose
chlorophyll
ATP
How many carbon atoms are in a molecule of RuBP?
A)
B)
C)
D)
E)
zero
one
two
three
five
24
Which of the following statements about photosynthesis is true?
the light-dependent reactions can occur only in the light, the light-independent
A) reactions only in the dark
B)
photorespiration is more efficient at producing glucose than is photosynthesis
the light-dependent reactions produce the energy-rich compounds that are used to
C) run the light-independent reactions
D)
25
all of the above are true
Which of the following statements accurately describes the relationship between photosynthesis
and cellular respiration?
photosynthesis occurs only in autotrophs; cellular respiration occurs only in
A) heterotrophs
photosynthesis uses solar energy to convert inorganics to energy-rich organics;
B) respiration breaks down energy-rich organics to synthesize ATP
photosynthesis involves the oxidation of glucose; respiration involves the reduction
C) of CO2
the primary function of photosynthesis is to use solar energy to synthesize ATP;
the primary function of cellular respiration is to break down ATP and release
D) energy
photosynthesis and cellular respiration occur in separate, specialized organelles;
E) the two processes cannot occur in the same cell at the same time
27
Production of one molecule of 3-phosphoglyceraldehyde requires how many turns of the Calvin
cycle?
A)
B)
C)
D)
E)
1
2
3
6
12
28
To reduce six molecules of carbon dioxide to glucose via photosynthesis, how many molecules
of NADPH and ATP are required?
A)
B)
C)
D)
E)
29
B)
C)
D)
E)
12 NADPH and 18 ATP
18 NADPH and 12 ATP
24 NADPH and 18 ATP
glyceraldehyde 3-phosphate
glucose
fructose
ribulose 1,5-bisphosphate
sucrose
Rubisco:
A)
B)
C)
D)
E)
32
12 NADPH and 12 ATP
The primary form of sugar transported from the site of photosynthesis to the rest of the plant
is:
A)
30
6 NADPH and 6 ATP
catalyzes the carboxylation of CO2 to ribulose 1,5-bisphosphate.
initiates photorespiration when the CO2/O2 ratio is low.
catalyzes the reduction of two molecules of PGAL to form glucose.
all of the above (a-c).
a and b, but not c.
Light-driven electron transport in the chloroplast pumps H+ into the intermembrane
space between the outer and inner membranes.
A)
B)
33
B)
B)
False
True
False
For every CO2 molecule fixed by photosynthesis, one molecule of O2 is produced.
A)
B)
36
True
If you know the absorption spectrum of a pigment, you can predict the pigment's color.
A)
35
False
CO2 fixation occurs within the stroma.
A)
34
True
True
False
Light is required for the light dependent reactions because
A)
B)
C)
it is the source for electrons
it splits the water molecule
it energizes electrons in the reaction center
it splits ATP molecules which generates the energy necessary to power the light
D) independent reactions
E)
none of the above
Which of the following occurs in both photosynthesis and respiration?
chemiosmosis
glycolysis
calvin cycle
krebs cycle
2. Which of the following statements is FALSE?
glycolysis can occur with or without oxygen
glycolysis occurs in the mitochondria
glycolysis is the first step in both aerobic and anaerobic respiration
glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate
3. This process uses NADH and FADH2 to produce ATP
oxidative phosphorylation
fermentation
glycolysis
krebs cycle
4. This process begins with the production of Acetyl-CoA:
chemiosmosis
glycolysis
fermentation
krebs cycle
5. Cramps during exercise are caused by:
alcohol fermentation
glycolysis inhibition
lactic acid fermentation
chemiosmosis
6. Oxidative phosphorylation is also known as:
chemiosmosis
glycolysis
fermentation
electron transport chain
7. The final electron acceptor during oxidative phosphorylation is:
oxygen
water
carbon dioxide
ATP
8. Which of the following processes produces the most ATP?
glycolysis
oxidative phosphorylation
fermentation
krebs cycle
9. Which of the following is necessary for oxidative phosporylation to occur?
ATP
oxygen
carbon dioxide
lactic acid
10. Which of the following is the products of the Krebs cycle?
ATP
NADH
FADH
all of these
During which metabolic stage is glucose broken down to pyruvate?
(A) Glycolysis
(B) The citric acid cycle
(C) The electron transport chain
(D) Oxidative phosphorylation
1
A
What molecule is essential for aerobic respiration to take place?
(A) Nitrogen
(B) Oxygen
(C) Ethanol
(D) Carbon dioxide
2
B
Which of the following is not one of the three major macromolecule components of food?
(A) Carbohydrates
(B) Lipids
(C) Oxygen
(D) Proteins
3
C
Which of the following molecules contains three phosphate groups?
(A) AMP
(B) ADP
(C) APP
(D) ATP
4
D
Which of the following is not a coenzyme?
(A) CoA
(B) FAD
(C) ATP
(D) NAD
5
C
Organisms that acquire energy through photosynthesis are called which of the following?
(A) Autotrophs
(B) Chemotrophs
(C) Prototrophs
(D) Phototrophs
6
D
In which protein complex in the inner mitochondrial membrane is FADH2 oxidized?
(A) I
(B) II
(C) III
(D) V
7
B
Organisms that acquire energy through ingestion of food are called which of the following?
(A) Autotrophs
(B) Chemotrophs
(C) Prototrophs
(D) Phototrophs
8
B
Chemotrophs require _________ and produce _________ while phototrophs require _________ and
produce _________.
(A) Water, carbon dioxide, nitrogen, oxygen.
(B) Oxygen, carbon dioxide, carbon dioxide, oxygen.
(C) Oxygen, carbon dioxide, nitrogen, water.
(D) Oxygen, water, phosphate, nitrogen
9
B
In which protein complex in the inner mitochondrial membrane is ATP synthesized?
(A) I
(B) II
(C) IV
(D) V
10
D
Metabolic reactions that synthesize molecules are classified as _________ while metabolic reactions
that degrade molecules are classified as _________.
(A) Chemotrophic
(B) Phototrophic
(C) Anabolic
(D) Catabolic
11
C
What type of metabolic reaction involves a loss of electrons from the molecule involved?
(A) Oxidation
(B) Reduction
(C) Phosphorylation
(D) Isomerization
12
A
What molecule is produced when oxygen is reduced by the electrons in the electron transport chain?
(A) Hydrogen
(B) Water
(C) NADH
(D) FADH2
13
B
What type of metabolic reaction involves a gain of electrons by the molecule involved?
(A) Oxidation
(B) Reduction
(C) Phosphorylation
(D) Isomerization
14
B
How many molecules of carbon dioxide are generated during the citric acid cycle?
(A) 1
(B) 2
(C) 3
(D) 4
15
B
What type of metabolic reaction does not change the atomic make-up of the molecule involved?
(A) Oxidation
(B) Reduction
(C) Phosphorylation
(D) Isomerization
16
D
How many molecules of ATP can be generated from one round of the citric acid cycle?
(A) 2
(B) 4
(C) 12
(D) 24
17
D
What type of metabolic reaction involves the transfer of a phosphate group?
(A) Oxidation
(B) Reduction
(C) Phosphorylation
(D) Isomerization
18
C
Which of the following is not a component of the chemotrophic respiratory pathway?
(A) Glycolysis
(B) The citric acid cycle
(C) Photosynthesis
(D) Oxidative phosphorylation
19
C
What is the name of the molecule generated in the final step of the citric acid cycle and is also used in
the first step?
(A) Oxaloacetate
(B) Pyruvate
(C) Acetyl-CoA
(D) NADH
20
A
Respiration that occurs without oxygen is classified as which of the following
(A) Chemotrophic
(B) Phototrophic
(C) Aerobic
(D) Anaerobic
21
D
What is the main cellular structure involved in respiration?
(A) Nucleus
(B) Golgi apparatus
(C) Mitochondria
(D) ER
22
C
Which of the following does not accurately describe the glycolytic pathway?
(A) Anabolic
(B) Catabolic
(C) Chemotrophic
(D) Metabolic
23
A
How many carbon atoms are found in one molecule of glucose?
(A) 1
(B) 3
(C) 6
(D) 9
24
C
What is the end product of aerobic glycolysis?
(A) Citrate
(B) Pyruvate
(C) ATP
(D) NADH
25
B
In what part of the cell does glycolysis take place?
(A) Cytosol
(B) Mitochondria
(C) Golgi apparatus
(D) ER
26
A
An enzyme that catalyzes a reaction that adds a phosphate group to a molecule is called which of the
following?
(A) Aldolase
(B) Enolase
(C) Kinase
(D) Phosphorylase
27
C
In the second step of glycolysis, the enzyme phosphoglucose isomerase converts glucose-6- phosphate
to fructose-6-phosphate. This reaction converts a ___-carbon molecule to a ___- carbon molecule.
(A) 3,4
(B) 4,3
(C) 5,6
(D) 6,5
28
D
29
B
Which of the following molecules is not either oxidized or reduced during electron flow through the
electron transport chain?
(A) NADH
(B) FADH2
(C) Coenzyme A
(D) Oxygen
30
C
How many molecules of ATP are produced during glycolysis (the net gain of ATP molecules)?
(A) 2
(B) 4
(C) 12
(D) 24
31
A
32
C
Which of the following metabolic processes generates the most ATP?
(A) Glycolysis
(B) The citric acid cycle
(C) The electron transport chain
(D) Oxidative phosphorylation
33
D
34
D
Where in an aerobic cell is NADH oxidized?
(A) Cytosol
(B) Mitochondria
(C) Golgi apparatus
(D) ER
35
B
Which of the following events do not take place in the mitochondria?
(A) Glycolysis
(B) The citric acid cycle
(C) The electron transport chain
(D) Oxidative phosphorylation
36
A
Which of the following is not a possible anaerobic glycolytic product?
(A) Oxygen
(B) Lactic acid
(C) Ethanol
(D) Carbon dioxide
37
A
Ethanol is a product of which of the following processes?
(A) The citric acid cycle
(B) Homolactic fermentation
(C) Oxidative phosphorylation
(D) Alcoholic fermentation
38
D
Which of the following is not a structural component of the mitochondria?
(A) Matrix
(B) Cytosol
(C) Inner membrane
(D) Intermembrane space
39
B
What is the starting material of the citric acid cycle?
(A) Acetyl-CoA
(B) Glucose
(C) Pyruvate
(D) NADH
40
A
Which stage in respiration produces the most coenzymes?
(A) Glycolysis
(B) The citric acid cycle
(C) The electron transport chain
(D) Oxidative phosphorylation
41
B
The outer mitochondrial membrane is highly _________ while the inner membrane is _________.
(A) Permeable, impermeable
(B) Impermeable, permeable
(C) Charged, uncharged
(D) Uncharged, charged
44
42
A
43
B
Which of the following is not generated during the citric acid cycle?
(A) GTP
(B) NADH
(C) Carbon dioxide
(D) Pyruvate
45
D
46
C
How many molecules of NADH are generated during the citric acid cycle?
(A) 1
(B) 2
(C) 3
(D) 4
47
C
How many molecules of FADH2 are generated during the citric acid cycle?
(A) 1
(B) 2
(C) 3
(D) 4
48
A
D
In which protein complex in the inner mitochondrial membrane is oxygen reduced?
(A) I
(B) II
(C) III
(D) IV
49
D
The coenzyme NAD/NADH is involved in which of the following types of reactions?
(A) Elimination
(B) Isomerization
(C) Oxidation/reduction
(D) Phosphorylation