Question 1

Which of the following plants is an example of a CAM plant?

Accepted Answer

A)  pineapple
B)  corn
C)  rice
D)  wheat
E)  oak treeF) B) and D)
G) A) and E)

Question 2

In the questions that follow, you will be asked to identify the blanks on the below diagram using the word bank: NADPH, NADP, ATP, ADP + P, carbon dioxide, oxygen, carbohydrate, water. Briefly explain the significance of each item.

-C is ________.

Accepted Answer

C is carbon dioxide.Carbon dioxide is fi...

Question 3

Which of the following organisms are capable of photosynthesis?

Accepted Answer

A)  plants only
B)  plants and algae only
C)  plants and some bacteria only
D)  plants,algae,and some bacteriaE) A) and C)
F) B) and D)

Question 4

Oxygen production in photosynthesis involves which of the following? Select all that apply.

Accepted Answer

A)  photosystem I
B)  photosystem II
C)  splitting of water
D)  light reactions
E)  Calvin cycleF) A) and E)
G) D) and E)

Question 5

The first event in the Calvin cycle is the attachment of carbon dioxide to the five-carbon RuBP molecule,which forms a six-carbon molecule that breaks down into two 3PG molecules.

Accepted Answer

A) True 
 B)False

Question 6

The fixation of carbon dioxide in the first step of the Calvin cycle is facilitated by which enzyme?

Accepted Answer

A)  RuBP carboxylase
B)  glyceraldehyde-3-phosphate (G3P) 
C)  PEP carboxylase
D)  lactate dehydrogenaseE) B) and D)
F) None of the above

Question 7

________ is a product of the Calvin cycle that is used to form glucose phosphate,amino acids or fatty acids.

Accepted Answer

A)  ATP
B)  ribulose bisphosphate (RuBP) 
C)  glyceraldehyde-3-phosphate (G3P) 
D)  PEP carboxylase (PEPcase) 
E)  carbon dioxideF) A) and E)
G) B) and E)

Question 8

If the photosynthetic rate of C4 plants such as sugarcane,corn,and Bermuda grass is about two or three times that of C3 plants-and both are substantially more productive than CAM plants-then why,over time,have C4 plants not outcompeted and eliminated C3 and CAM plants?

Accepted Answer

Answers will vary.In moderate climatic c...

Question 9

The first event in the Calvin cycle is the attachment of carbon dioxide to the five-carbon RuBP molecule,which decreases cell carbon dioxide levels,which increases the diffusion gradient.

Accepted Answer

A) True 
 B)False

Question 10

The first event in the Calvin cycle is the attachment of carbon dioxide to the five-carbon RuBP molecule,which immediately becomes a six-carbon sugar that is the base for starch,sucrose,cellulose,etc.

Accepted Answer

A) True 
 B)False

Question 11

While C4 plants have carbon dioxide fixation and carbon dioxide uptake separated by location within the plant,CAM plants

Accepted Answer

A)  have these processes separated by time.
B)  fix much greater amounts of carbon dioxide than C4 plants.
C)  are found in tropical regions where nutrients are abundant.
D)  have these processes separated among two leaf types.E) A) and B)
F) B) and C)

Question 12

Photorespiration is the process by which light is used to release the stored energy in carbohydrate molecules to perform all work in plant cells.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following are characteristics of C4 plants? Select all that apply.

Accepted Answer

A)  C4 plants store carbon dioxide temporarily as oxaloacetate.
B)  C4 plants are found in hot,dry climates.
C)  C4 plants have a net photosynthetic rate two or three times greater than C3 plants.
D)  C4 plants experience more photorespiration than C3 plants.
E)  C4 plants separate carbon fixation from the Calvin cycle.F) A) and E)
G) B) and D)

Question 14

What are the end products of photosynthesis?

Accepted Answer

A)  water and carbon dioxide
B)  water and oxygen
C)  oxygen and carbohydrate
D)  carbohydrate and waterE) B) and C)
F) C) and D)

Question 15

Plants that conduct C4 metabolism are desert plants.

Accepted Answer

A) True 
 B)False

Question 16

Use the data provided to identify the lines on the graph as the absorption spectrums of chlorophyll a,chlorophyll b,and the carotenoids.
Max.absorption of chlorophyll a-430 & 662 nm
Max.absorption of chlorophyll b-453 & 642 nm
Max.absorption of carotenoids-bimodal; approx.450 & 490 nm

Accepted Answer

The answer of Use the data provided to identify the...

Question 17

During the light reactions,what structure is responsible for absorbing the solar energy?

Accepted Answer

A)  chloroplast
B)  stroma
C)  stoma
D)  bark of the treeE) B) and C)
F) All of the above

Question 18

In the questions that follow, you will be asked to identify the blanks on the below diagram using the word bank: NADPH, NADP, ATP, ADP + P, carbon dioxide, oxygen, carbohydrate, water. Briefly explain the significance of each item.

-A is ________.

Accepted Answer

A is water.Water is split in the light r...

Question 19

Which is most closely associated with the Calvin cycle?

Accepted Answer

A)  ATP production
B)  oxygen production
C)  carbon dioxide fixation
D)  carbon dioxide production
E)  removal of electrons from water for passage through an electron transport systemF) D) and E)
G) None of the above

Question 20

Correlate the relative efficiency of CAM,C3,and C4 plants in photosynthesis with the enzymatic systems active in this process.

Accepted Answer

Answers will vary.C₃ plants are efficient...

Exam 7: Photosynthesis

Use the data provided to identify the lines on the graph as the absorption spectrums of chlorophyll a,chlorophyll b,and the carotenoids. Max.absorption of chlorophyll a-430 & 662 nm Max.absorption of chlorophyll b-453 & 642 nm Max.absorption of carotenoids-bimodal; approx.450 & 490 nm

Correct AnswerverifiedShow Answer

Which of the following organisms are capable of photosynthesis?

Correct AnswerverifiedShow Answer

What are the end products of photosynthesis?

Correct AnswerverifiedShow Answer

Which of the following are characteristics of C4 plants? Select all that apply.

Correct AnswerverifiedShow Answer

Correlate the relative efficiency of CAM,C3,and C4 plants in photosynthesis with the enzymatic systems active in this process.

Correct AnswerverifiedAnswers will vary.C3 plants are efficient...View AnswerShow Answer

The fixation of carbon dioxide in the first step of the Calvin cycle is facilitated by which enzyme?

Correct AnswerverifiedShow Answer

________ is a product of the Calvin cycle that is used to form glucose phosphate,amino acids or fatty acids.

Correct AnswerverifiedShow Answer

In the questions that follow, you will be asked to identify the blanks on the below diagram using the word bank: NADPH, NADP, ATP, ADP + P, carbon dioxide, oxygen, carbohydrate, water. Briefly explain the significance of each item. -C is ________.

Correct AnswerverifiedC is carbon dioxide.Carbon dioxide is fi...View AnswerShow Answer

Plants that conduct C4 metabolism are desert plants.

Correct AnswerverifiedShow Answer

If the photosynthetic rate of C4 plants such as sugarcane,corn,and Bermuda grass is about two or three times that of C3 plants-and both are substantially more productive than CAM plants-then why,over time,have C4 plants not outcompeted and eliminated C3 and CAM plants?

Correct AnswerverifiedAnswers will vary.In moderate climatic c...View AnswerShow Answer

Oxygen production in photosynthesis involves which of the following? Select all that apply.

Correct AnswerverifiedShow Answer

The first event in the Calvin cycle is the attachment of carbon dioxide to the five-carbon RuBP molecule,which decreases cell carbon dioxide levels,which increases the diffusion gradient.

Correct AnswerverifiedShow Answer

Which of the following plants is an example of a CAM plant?

Correct AnswerverifiedShow Answer

Photorespiration is the process by which light is used to release the stored energy in carbohydrate molecules to perform all work in plant cells.

Correct AnswerverifiedShow Answer

The first event in the Calvin cycle is the attachment of carbon dioxide to the five-carbon RuBP molecule,which immediately becomes a six-carbon sugar that is the base for starch,sucrose,cellulose,etc.

Correct AnswerverifiedShow Answer

During the light reactions,what structure is responsible for absorbing the solar energy?

Correct AnswerverifiedShow Answer

The first event in the Calvin cycle is the attachment of carbon dioxide to the five-carbon RuBP molecule,which forms a six-carbon molecule that breaks down into two 3PG molecules.

Correct AnswerverifiedShow Answer

In the questions that follow, you will be asked to identify the blanks on the below diagram using the word bank: NADPH, NADP, ATP, ADP + P, carbon dioxide, oxygen, carbohydrate, water. Briefly explain the significance of each item. -A is ________.

Correct AnswerverifiedA is water.Water is split in the light r...View AnswerShow Answer

While C4 plants have carbon dioxide fixation and carbon dioxide uptake separated by location within the plant,CAM plants

Correct AnswerverifiedShow Answer

Which is most closely associated with the Calvin cycle?

Correct AnswerverifiedShow Answer

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Correct Answer
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Which of the following are characteristics of C₄ plants? Select all that apply.

Correct Answer
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Correlate the relative efficiency of CAM,C₃,and C₄ plants in photosynthesis with the enzymatic systems active in this process.

Correct Answer
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Answers will vary.C₃ plants are efficient...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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C is carbon dioxide.Carbon dioxide is fi...
View Answer

Plants that conduct C₄ metabolism are desert plants.

Correct Answer
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If the photosynthetic rate of C₄ plants such as sugarcane,corn,and Bermuda grass is about two or three times that of C₃ plants-and both are substantially more productive than CAM plants-then why,over time,have C₄ plants not outcompeted and eliminated C₃ and CAM plants?

Correct Answer
verified
Answers will vary.In moderate climatic c...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified
A is water.Water is split in the light r...
View Answer

While C₄ plants have carbon dioxide fixation and carbon dioxide uptake separated by location within the plant,CAM plants

Correct Answer
verified

Correct Answer
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