Campbell Biology Chapter 10 Test Bank
Questions With Verified Answers
Skill: Application/Analysis
Campbell's Biology, 9e (Reece et al.)
Chapter 10 Photosynthesis
Students find this chapter quite challenging. Fortunately, some of the key concepts, such as
chemiosmosis and redox, were discussed previously in the chapter on respiration and
fermentation. The new key concepts are light as energy, light absorption and energy conversion
by pigments, and linear and cyclic electron flow. Students are challenged to identify the
relationships between the light reactions and the Calvin cycle, as well as the adaptive
significance of C4 and CAM pathways. Comparison and contrast between photosynthesis and
respiration, the significance of photosynthesis to Earth history and evolution of life, and the role
of photosynthesis in global carbon cycles and environmental change are important topics to
engage students.
Multiple-Choice Questions
1) If photosynthesizing green algae are provided with CO2 s - Answers✔Answer: E
Topic: Concept 10.1
Skill: Application/Analysis
ALL RIGHTS RESERVED.
2) 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) ADP, i, and NADP+
D) electrons and H+
E) ATP and NADPH - Answers✔Answer: E
Topic: Concept 10.1
Skill: Knowledge/Comprehension
3) Photosynthesis is not responsible for
A) oxygen in the atmosphere.
B) the ozone layer.
C) most of the organic carbon on Earth's surface.
D) atmospheric CO2.
4) Where does the Calvin cycle take place?
A) stroma of the chloroplast
B) thylakoid membrane
C) cytoplasm surrounding the chloroplast
D) interior of the thylakoid (thylakoid space)
E) outer membrane of the chloroplast - Answers✔Answer: A
Topic: Concept 10.1
Skill: Knowledge/Comprehension
ALL RIGHTS RESERVED.
5) In any ecosystem, terrestrial or aquatic, what group(s) is (are) always necessary?
A) autotrophs and heterotrophs
B) producers and primary consumers
C) photosynthesizers
D) autotrophs
E) green plants - Answers✔Answer: D
Topic: Concept 10.1
Skill: Synthesis/Evaluation
6) In autotrophic bacteria, where are the enzymes located that can carry on carbon fixation
(reduction of carbon dioxide to carbohydrate)?
A) in chloroplast membranes
B) in chloroplast stroma
C) in the cytosol
D) in the nucleoid
E) in the infolded plasma membrane - Answers✔Answer: C
Topic: Concept 10.1
Skill: Application/Analysis
7) 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) the electron transfer system of photosystem I.
E) the electron transfer system of photosystem II. - Answers✔Answer: B
Topic: Concept 10.1
Skill: Knowledge/Comprehension
8) A plant has a unique photosynthetic pigment. The leaves of this plant appear to be reddish
yellow. What wavelengths of visible light are being absorbed by this pigment?
A) red and yellow
B) blue and violet
C) green and yellow
D) blue, green, and red
E) green, blue, and yellow - Answers✔Answer: B
Topic: Concept 10.2
Skill: Application/Analysis
9) 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, green, and red
C) green and yellow
D) red and green
E) blue and red - Answers✔Answer: E
Topic: Concept 10.2
Skill: Synthesis/Evaluation
10) In the thylakoid membranes, what is the main role of the antenna pigment molecules?
A) split water and release oxygen to the reaction-center chlorophyll
B) harvest photons and transfer light energy to the reaction-center chlorophyll
C) synthesize ATP from ADP and i
D) transfer electrons to ferredoxin and then NADPH
E) concentrate photons within the stroma - Answers✔Answer: B
4
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