Question 1

Carbon fixation is taking place when plants:

Accepted Answer

A)   oxidize CO2.
B)   incorporate CO2 into sugars.
C)   ingest CO2.
D)   produce CO2.
E)   convert CO2 into ATP.F) A) and E)
G) None of the above

Question 2

A C4 plant is different from a C3 plant because a C4 plant:

Accepted Answer

A)   can leave its stomata open longer without ill effect.
B)   stores CO2 in four-carbon molecules before the CO2 enters the Calvin cycle.
C)   does not have bundle-sheath cells.
D)   performs photorespiration.E) A) and D)
F) B) and C)

Question 3

Which of the following is a C4 plant?

Accepted Answer

A)   cactus
B)   lilac
C)   corn
D)   pine trees
E)   orchidsF) A) and B)
G) B) and D)

Question 4

Chloroplasts transform ________ energy into the ________ energy of ATP.

Accepted Answer

A)   heat; light
B)   light; heat
C)   heat; chemical
D)   light; chemical
E)   chemical; heatF) A) and B)
G) C) and D)

Question 5

Photosynthesis is driven by the ________ light spectrum.

Accepted Answer

A)   visible
B)   infrared
C)   ultraviolet
D)   microwaveE) A) and C)
F) A) and B)

Question 6

During photosynthesis, energy is released and used to create ATP when:

Accepted Answer

A)   electrons are passed down the energy hill during the light reactions.
B)   electrons jump from a reaction center to a primary electron acceptor.
C)   CO2 is fixed into sugars in the light reactions.
D)   water is split, releasing oxygen.
E)   electrons are passed from photosystem I to NADPH.F) B) and D)
G) A) and B)

Question 7

The products of photosynthesis are:

Accepted Answer

A)   O2 and sugar.
B)   H2O and sugar.
C)   CO2 and sugar
D)   O2 and CO2E) A) and D)
F) B) and D)

Question 8

The light reactions occur in the:

Accepted Answer

A)   mitochondrial membrane.
B)   thylakoid membrane.
C)   stoma.
D)   thylakoid compartment.
E)   mitochondrial compartment.F) A) and B)
G) D) and E)

Question 9

The electron carrier in photosynthesis that will donate electrons to CO2 so that it can be fixed into sugars is:

Accepted Answer

A)   NADPH.
B)   glucose.
C)   NADH.
D)   FADH.
E)   CO2.F) C) and E)
G) B) and C)

Question 10

The enzyme ________ can bind both carbon dioxide and oxygen.

Accepted Answer

The answer of The enzyme ________ can bind both carbon...

Question 11

Electrons from photosystem I are transferred down an electron transport chain to ________, which become reduced to ________.

Accepted Answer

A)   NAD+; NADPH
B)   NADPH; NADP+
C)   NADP+; NADPH
D)   ADP; ATPE) None of the above
F) C) and D)

Question 12

The sugar that first bonds with carbon dioxide in the Calvin cycle is:

Accepted Answer

A)   3-PGA.
B)   G3P.
C)   RuBP.
D)   rubisco.E) None of the above
F) C) and D)

Question 13

Refer to the figure below, and then answer the question that follows. 4 plants, bundle sheath cells are used to: A)  fix CO2. B)  store CO2. C)  increase photorespiration D)  transport excess sugars." class="answers-bank-image d-inline" rel="preload" >
-In C4 plants, bundle sheath cells are used to:

Accepted Answer

A)   fix CO2.
B)   store CO2.
C)   increase photorespiration
D)   transport excess sugars.E) All of the above
F) A) and B)

Question 14

What product that is required by plants do animals-as well as plants-produce during cellular respiration?

Accepted Answer

A)   CO2
B)   glucose
C)   oxygen
D)   ADPE) B) and D)
F) A) and C)

Question 15

Photosynthetic organisms provide two products that animals could not live without: ________ and ________.

Accepted Answer

organic mo...

Question 16

Describe how cellular respiration and photosynthesis are different.

Accepted Answer

In respiration, sugars are oxidized to C...

Question 17

Plants perform only photosynthesis, not cellular respiration.

Accepted Answer

A) True 
 B)False

Question 18

The Calvin cycle requires all of the following except:

Accepted Answer

A)   O2.
B)   ATP.
C)   NADPH.
D)   RuBP.E) B) and D)
F) B) and C)

Question 19

The products of the light reactions that are then used by the Calvin cycle are:

Accepted Answer

A)   ATP and NADPH.
B)   ADP and NADP+.
C)   ATP and O2.
D)   O2 and NADPH.
E)   ATP and CO2.F) A) and B)
G) None of the above

Question 20

Photorespiration occurs most on:

Accepted Answer

A)   hot, dry days.
B)   hot, humid days.
C)   cool, cloudy days.
D)   cold, dry days.
E)   cloudy, rainy days.F) A) and C)
G) D) and E)

Exam 8: The Green Worlds Gift: Photosynthesis

Plants perform only photosynthesis, not cellular respiration.

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A C4 plant is different from a C3 plant because a C4 plant:

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The Calvin cycle requires all of the following except:

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The sugar that first bonds with carbon dioxide in the Calvin cycle is:

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Refer to the figure below, and then answer the question that follows. -In C4 plants, bundle sheath cells are used to:

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Describe how cellular respiration and photosynthesis are different.

Correct AnswerverifiedIn respiration, sugars are oxidized to C...View AnswerShow Answer

Photosynthesis is driven by the ________ light spectrum.

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Carbon fixation is taking place when plants:

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The light reactions occur in the:

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Photosynthetic organisms provide two products that animals could not live without: ________ and ________.

Correct Answerverifiedorganic mo...View AnswerShow Answer

What product that is required by plants do animals-as well as plants-produce during cellular respiration?

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The electron carrier in photosynthesis that will donate electrons to CO2 so that it can be fixed into sugars is:

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Electrons from photosystem I are transferred down an electron transport chain to ________, which become reduced to ________.

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The enzyme ________ can bind both carbon dioxide and oxygen.

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Photorespiration occurs most on:

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The products of photosynthesis are:

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The products of the light reactions that are then used by the Calvin cycle are:

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During photosynthesis, energy is released and used to create ATP when:

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Which of the following is a C4 plant?

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Chloroplasts transform ________ energy into the ________ energy of ATP.

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A C₄ plant is different from a C₃ plant because a C₄ plant:

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Refer to the figure below, and then answer the question that follows. -In C₄ plants, bundle sheath cells are used to:

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In respiration, sugars are oxidized to C...
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Photosynthetic organisms provide two products that animals could not live without: and .

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organic mo...
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The electron carrier in photosynthesis that will donate electrons to CO₂ so that it can be fixed into sugars is:

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Electrons from photosystem I are transferred down an electron transport chain to , which become reduced to .

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Which of the following is a C₄ plant?

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Chloroplasts transform energy into the energy of ATP.

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