Question 1

Which photosynthetic mode would be most favorable in a desert environment?

Accepted Answer

A)   CAM
B)   C3
C)   C4
D)   Both CAM and C3
E)   CAM, C3, and C4F) A) and D)
G) B) and D)

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

Photosynthesis shows higher activity for violet/blue and orange/red and a lower absorption for green/yellow.If we could invent 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 E)
G) A) and C)

Question 4

Biologists are fairly certain that oxygen was built up in the atmosphere by the development of photosynthesis.The production of oxygen and therefore the beginning of extensive aerobic life was made possible by the evolution of

Accepted Answer

A)   fermentation.
B)   photosystem I.
C)   photosystem II.
D)   glycolysis.
E)   the nucleus.F) A) and B)
G) A) and C)

Question 5

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) B) and C)
G) A) and E)

Question 6

The substance that initially traps solar energy in photosynthesis is

Accepted Answer

A)   chlorophyll.
B)   RuBP.
C)   water.
D)   glucose.
E)   pyruvate.F) A) and D)
G) A) and B)

Question 7

What are the products of the noncyclic electron pathway?

Accepted Answer

A)   H+, O2, ATP, and NADPH
B)   H+ and O2
C)   H+, ATP, and NADPH
D)   ATP and NADPH
E)   O2 and ATPF) A) and C)
G) B) and D)

Question 8

Which of the following is not an autotroph?

Accepted Answer

A)   yeast
B)   oak tree
C)   cyanobacterium
D)   algae
E)   grassF) B) and D)
G) C) and D)

Question 9

One of the products of the Calvin cycle is

Accepted Answer

A)   PS I.
B)   RuBP carboxylase.
C)   3PG.
D)   G3P.
E)   RuBP.F) B) and C)
G) A) and E)

Question 10

ATP synthase is an enzyme complex located in the thylakoid membranes.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following statements is true concerning sunlight radiation used for photosynthesis?

Accepted Answer

A)   All of the sunlight that hits the atmosphere is used for photosynthesis.
B)   Only the highest energy wavelengths are used for photosynthesis.
C)   All of the visible light is used for photosynthesis.
D)   Only the red, blue, and violet wavelengths of visible light are used for photosynthesis.
E)   Only the green visible light is used for photosynthesis.F) C) and E)
G) A) and D)

Question 12

Why does the chloroplast utilize a 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) A) and E)
G) B) and D)

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

Plants need other molecules besides glucose.Where do these molecules such as cellulose and fructose come from?

Accepted Answer

A)   Glucose must always be produced first; glucose can then be used as the monomer to form everything else.
B)   G3P is directly converted to many other organic molecules besides glucose.
C)   Plants absorb those molecules from the environment through their roots.
D)   Any molecule beyond glucose must be converted from plant tissues already present.
E)   Alternative forms of photosynthesis beyond those described must be producing those molecules.F) B) and C)
G) B) and E)

Question 16

Which two organelles are most directly involved in the flow of energy from the sun through all living things?

Accepted Answer

A)   Golgi apparatus and mitochondria
B)   lysosomes and chloroplasts
C)   chloroplasts and mitochondria
D)   mitochondria and ribosomes
E)   ribosomes and Golgi apparatusF) None of the above
G) B) and C)

Question 17

At night,plants do not carry out any metabolism because there is no sunlight.

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A)   pigments
B)   nucleus
C)   chloroplasts
D)   glucose
E)   NAD+F) B) and C)
G) C) and D)

Question 19

How many total carbons are involved in carbon dioxide fixation with 3 molecules of carbon dioxide and 3 molecules of RuBP?

Accepted Answer

A)   6
B)   12
C)   18
D)   24
E)   30F) A) and B)
G) A) and C)

Exam 8: Photosynthesis

How many total carbons are involved in carbon dioxide fixation with 3 molecules of carbon dioxide and 3 molecules of RuBP?

Correct Answer
verified

Which photosynthetic mode would be most favorable in a desert environment?

Correct Answer
verified

Which of the following is not an autotroph?

Correct Answer
verified

Plants need other molecules besides glucose.Where do these molecules such as cellulose and fructose come from?

Correct Answer
verified

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

Correct Answer
verified

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

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

Biologists are fairly certain that oxygen was built up in the atmosphere by the development of photosynthesis.The production of oxygen and therefore the beginning of extensive aerobic life was made possible by the evolution of

Correct Answer
verified

ATP synthase is an enzyme complex located in the thylakoid membranes.

Correct Answer
verified

What are the products of the noncyclic electron pathway?

Correct Answer
verified

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

Correct Answer
verified

Why does the chloroplast utilize a cyclic electron pathway as well as the noncyclic electron pathway?

Correct Answer
verified

Which of the following statements is true concerning sunlight radiation used for photosynthesis?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

One of the products of the Calvin cycle is

Correct Answer
verified

Which two organelles are most directly involved in the flow of energy from the sun through all living things?

Correct Answer
verified

The substance that initially traps solar energy in photosynthesis is

Correct Answer
verified

At night,plants do not carry out any metabolism because there is no sunlight.

Correct Answer
verified

Exam 8: Photosynthesis

How many total carbons are involved in carbon dioxide fixation with 3 molecules of carbon dioxide and 3 molecules of RuBP?

Correct AnswerverifiedShow Answer

Which photosynthetic mode would be most favorable in a desert environment?

Correct AnswerverifiedShow Answer

Which of the following is not an autotroph?

Correct AnswerverifiedShow Answer

Plants need other molecules besides glucose.Where do these molecules such as cellulose and fructose come from?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

Biologists are fairly certain that oxygen was built up in the atmosphere by the development of photosynthesis.The production of oxygen and therefore the beginning of extensive aerobic life was made possible by the evolution of

Correct AnswerverifiedShow Answer

ATP synthase is an enzyme complex located in the thylakoid membranes.

Correct AnswerverifiedShow Answer

What are the products of the noncyclic electron pathway?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Why does the chloroplast utilize a cyclic electron pathway as well as the noncyclic electron pathway?

Correct AnswerverifiedShow Answer

Which of the following statements is true concerning sunlight radiation used for photosynthesis?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

One of the products of the Calvin cycle is

Correct AnswerverifiedShow Answer

Which two organelles are most directly involved in the flow of energy from the sun through all living things?

Correct AnswerverifiedShow Answer

The substance that initially traps solar energy in photosynthesis is

Correct AnswerverifiedShow Answer

At night,plants do not carry out any metabolism because there is no sunlight.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified