Question 1

Photosynthesis and cellular respiration utilize the same chemical pathways but in reverse of each other.

Accepted Answer

A) True 
 B)False

Question 2

The flattened sacs within the stroma of a chloroplast, which are connected to form a single inner compartment, are called

Accepted Answer

A)   stomata.
B)   thylakoids.
C)   mesophyll.
D)   carotenoids.
E)   CAM units.F) A) and C)
G) All of the above

Question 3

There is an inverse relationship between wavelength of light and amount of energy.

Accepted Answer

A) True 
 B)False

Question 4

What pathway moves the electrons from water through PS II to PS I and then on to NADP+?

Accepted Answer

A)   noncyclic electron pathway
B)   cyclic electron pathway
C)   CO2 fixation stage of Calvin cycle reactions
D)   citric acid cycle
E)   CO2 reduction phase of Calvin cycle reactionsF) All of the above
G) B) and D)

Question 5

What is the function of ribulose bisphosphate (RuBP)  during photosynthesis?

Accepted Answer

A)   It produces the CO2 needed for photosynthesis.
B)   It combines with CO2 to produce a 6-carbon compound.
C)   It combines with ATP to form G3P.
D)   It splits water to release oxygen.
E)   It splits carbon dioxide to release oxygen.F) C) and D)
G) D) and E)

Question 6

To what does the term grana refer?

Accepted Answer

A)   the cytochrome system in the membranes of the thylakoids
B)   a stack of thylakoid membranes
C)   the double membrane of the chloroplast
D)   a flattened disk or sac in the chloroplast
E)   the central fluid-filled space of the chloroplastF) A) and B)
G) A) and C)

Question 7

At night, plants cannot run metabolic pathways because there is no sunlight.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following allows photosynthetic organisms to capture solar energy?

Accepted Answer

A)   pigments
B)   nucleus
C)   chloroplasts
D)   glucose
E)   NAD+F) None of the above
G) C) and D)

Question 9

NADPH and ATP are used in the

Accepted Answer

A)   noncyclic electron pathway.
B)   cyclic electron pathway.
C)   Calvin cycle reactions.
D)   citric acid cycle.
E)   light reactions.F) D) and E)
G) A) and D)

Question 10

The formation of carbohydrate molecules occurs within the

Accepted Answer

A)   stroma.
B)   outer chloroplast membrane.
C)   inner chloroplast membrane.
D)   thylakoid membranes.
E)   thylakoid space.F) A) and B)
G) C) and D)

Question 11

Photosynthesis shows higher activity for violet/blue and orange/red and a lower absorption for green/yellow. If we could create a different photosynthetic pigment that absorbed absolutely all visible wavelengths of light, the leaves would appear which color?

Accepted Answer

A)   white
B)   black
C)   red
D)   green
E)   orangeF) A) and C)
G) C) and D)

Question 12

During photosynthesis, CO2 is reduced. This means that

Accepted Answer

A)   the molecule gains electrons.
B)   CO2 is broken down into two smaller molecules.
C)   the molecule loses electrons.
D)   the molecule loses protons.
E)   CO2 is released into the environment.F) B) and E)
G) None of the above

Question 13

At the cellular level, photosynthesis occurs within

Accepted Answer

A)   the chloroplast.
B)   the cristae of the mitochondria.
C)   both chloroplasts and mitochondria.
D)   all plant cell organelles.
E)   the nucleus of plants but not of animals.F) C) and D)
G) B) and D)

Question 14

Most major food plants such as wheat, oats, and rice are

Accepted Answer

A)   nonphotosynthetic plants.
B)   C3 plants.
C)   C4 plants.
D)   C5 plants.
E)   CAM plants.F) B) and C)
G) A) and D)

Question 15

Which of the following would be a reasonable explanation of why the chloroplast would use the cyclic electron pathway as well as the noncyclic electron pathway?

Accepted Answer

A)   The noncyclic electron pathway does not provide enough NADPH for the cell.
B)   The noncyclic electron pathway does not provide enough oxygen for the cell.
C)   The Calvin cycle utilizes more NADPH than ATP and the cyclic electron pathway produces NADPH.
D)   The Calvin cycle utilizes more ATP than NADPH and the cyclic electron pathway produces ATP.
E)   The cyclic electron pathway only runs when oxygen is limiting.F) B) and E)
G) B) and D)

Question 16

What are the stages of the Calvin cycle?

Accepted Answer

A)   carbon dioxide fixation and reduction
B)   carbon dioxide fixation and regeneration of RuBP
C)   the noncyclic electron pathway and the cyclic electron pathway
D)   the light reactions, regeneration of RuBP, and cyclic electron pathway
E)   carbon dioxide fixation, carbon dioxide reduction, and regeneration of RuBPF) All of the above
G) B) and C)

Question 17

Which of the following is a characteristic shared by cellular respiration and photosynthesis?

Accepted Answer

A)   Both photosynthesis and cellular respiration occur in plant cells.
B)   Both processes produce ATP by chemiosmosis.
C)   Both processes use an electron transport chain located in membranes of organelles.
D)   One or more electron carriers are used in both processes.
E)   All of the answers are characteristics shared by photosynthesis and cellular respiration.F) C) and D)
G) A) and B)

Question 18

Photosystem I comes before photosystem II in the noncyclic electron pathway.

Accepted Answer

A) True 
 B)False

Question 19

The hydrocarbon skeleton used to form fatty acids, glycerol, and amino acids (when N is added)  is derived from

Accepted Answer

A)   starch.
B)   sucrose.
C)   cellulose.
D)   G3P.
E)   glucose phosphate.F) A) and D)
G) C) and E)

Exam 8: Photosynthesis

What pathway moves the electrons from water through PS II to PS I and then on to NADP⁺?

Correct Answer
verified

There is an inverse relationship between wavelength of light and amount of energy.

Correct Answer
verified

During photosynthesis, CO₂ is reduced. This means that

Correct Answer
verified

Photosynthesis and cellular respiration utilize the same chemical pathways but in reverse of each other.

Correct Answer
verified

At night, plants cannot run metabolic pathways because there is no sunlight.

Correct Answer
verified

Which of the following allows photosynthetic organisms to capture solar energy?

Correct Answer
verified

Which of the following would be a reasonable explanation of why the chloroplast would use the cyclic electron pathway as well as the noncyclic electron pathway?

Correct Answer
verified

Photosynthesis shows higher activity for violet/blue and orange/red and a lower absorption for green/yellow. If we could create a different photosynthetic pigment that absorbed absolutely all visible wavelengths of light, the leaves would appear which color?

Correct Answer
verified

The flattened sacs within the stroma of a chloroplast, which are connected to form a single inner compartment, are called

Correct Answer
verified

Photosystem I comes before photosystem II in the noncyclic electron pathway.

Correct Answer
verified

What is the function of ribulose bisphosphate (RuBP) during photosynthesis?

Correct Answer
verified

Most major food plants such as wheat, oats, and rice are

Correct Answer
verified

To what does the term grana refer?

Correct Answer
verified

NADPH and ATP are used in the

Correct Answer
verified

The hydrocarbon skeleton used to form fatty acids, glycerol, and amino acids (when N is added) is derived from

Correct Answer
verified

What are the stages of the Calvin cycle?

Correct Answer
verified

At the cellular level, photosynthesis occurs within

Correct Answer
verified

The formation of carbohydrate molecules occurs within the

Correct Answer
verified

Which of the following is a characteristic shared by cellular respiration and photosynthesis?

Correct Answer
verified

Exam 8: Photosynthesis

What pathway moves the electrons from water through PS II to PS I and then on to NADP+?

Correct AnswerverifiedShow Answer

There is an inverse relationship between wavelength of light and amount of energy.

Correct AnswerverifiedShow Answer

During photosynthesis, CO2 is reduced. This means that

Correct AnswerverifiedShow Answer

Photosynthesis and cellular respiration utilize the same chemical pathways but in reverse of each other.

Correct AnswerverifiedShow Answer

At night, plants cannot run metabolic pathways because there is no sunlight.

Correct AnswerverifiedShow Answer

Which of the following allows photosynthetic organisms to capture solar energy?

Correct AnswerverifiedShow Answer

Which of the following would be a reasonable explanation of why the chloroplast would use the cyclic electron pathway as well as the noncyclic electron pathway?

Correct AnswerverifiedShow Answer

Photosynthesis shows higher activity for violet/blue and orange/red and a lower absorption for green/yellow. If we could create a different photosynthetic pigment that absorbed absolutely all visible wavelengths of light, the leaves would appear which color?

Correct AnswerverifiedShow Answer

The flattened sacs within the stroma of a chloroplast, which are connected to form a single inner compartment, are called

Correct AnswerverifiedShow Answer

Photosystem I comes before photosystem II in the noncyclic electron pathway.

Correct AnswerverifiedShow Answer

What is the function of ribulose bisphosphate (RuBP) during photosynthesis?

Correct AnswerverifiedShow Answer

Most major food plants such as wheat, oats, and rice are

Correct AnswerverifiedShow Answer

To what does the term grana refer?

Correct AnswerverifiedShow Answer

NADPH and ATP are used in the

Correct AnswerverifiedShow Answer

The hydrocarbon skeleton used to form fatty acids, glycerol, and amino acids (when N is added) is derived from

Correct AnswerverifiedShow Answer

What are the stages of the Calvin cycle?

Correct AnswerverifiedShow Answer

At the cellular level, photosynthesis occurs within

Correct AnswerverifiedShow Answer

The formation of carbohydrate molecules occurs within the

Correct AnswerverifiedShow Answer

Which of the following is a characteristic shared by cellular respiration and photosynthesis?

Correct AnswerverifiedShow Answer

What pathway moves the electrons from water through PS II to PS I and then on to NADP⁺?

Correct Answer
verified

Correct Answer
verified

During photosynthesis, CO₂ is reduced. This means that

Correct Answer
verified

Correct Answer
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