Question 1

Energy to drive the formation of ATP in photosynthesis is derived from

Accepted Answer

A)   the H + gradient.
B)   NADP +.
C)   G3P.
D)   NADPH.
E)   CO 2.F) A) and D)
G) C) and E)

Question 2

Sucrose, cellulose, amino acids, and starch are all made from what starter molecule in plants?

Accepted Answer

A)   glucose
B)   fructose
C)   glyceraldehyde 3-phosphate (G3P) 
D)   ATP
E)   RuBP carboxylaseF) B) and E)
G) C) and D)

Question 3

The products of photosynthesis are water and carbon dioxide.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following events takes place in the Calvin cycle?

Accepted Answer

A)   transfer of electrons to the reaction center of photosystem I
B)   generation of ATP from ADP + P i
C)   splitting of water, releasing an electron
D)   generation of NADPH from NADP +
E)   CO 2is converted intoG3PF) C) and E)
G) B) and D)

Question 5

A small, low-growing plant found on the surface of a sun-exposed rock in a desert would most likely use which type of photosynthesis?

Accepted Answer

A)   CAM
B)   C 3
C)   C 4
D)   both C 4 and CAM
E)   both C 3 and CAMF) C) and D)
G) B) and E)

Question 6

Which steps of photosynthesis does C 4 photosynthesis partition in space?

Accepted Answer

A)   carbon fixation and Calvin cycle reactions
B)   carbon fixation and light reactions
C)   light reactions and Calvin cycle reactions
D)   glyceraldehyde 3-phosphate (G3P)  formation and glucose phosphate formation
E)   1,3 bisphosphoglycerate (BPG)  formation and glucose phosphate formationF) A) and E)
G) B) and E)

Question 7

The innermost compartment of a chloroplast formed by the interconnected thylakoids is the

Accepted Answer

A)   stroma.
B)   thylakoid membrane.
C)   chlorophyll.
D)   thylakoid space.
E)   leaf space.F) A) and B)
G) A) and C)

Question 8

Carotenoids are found in high concentrations in yellow and orange leaves or vegetables. Why do these leaves and vegetables appear yellow or orange?

Accepted Answer

A)   The carotenoids reflect and transmit yellow and orange wavelengths of light.
B)   The carotenoids absorb yellow and orange wavelengths of light.
C)   The carotenoids absorb or transmit yellow and orange wavelengths of light.
D)   The carotenoids absorb or reflect yellow and orange wavelengths of light.
E)   The carotenoids absorb all wavelengths of light and then transmit yellow and orange wavelengths.F) B) and E)
G) B) and C)

Question 9

Inside the chloroplasts, chlorophyll is found in the

Accepted Answer

A)   mesophyll.
B)   thylakoid space.
C)   thylakoid membrane.
D)   stroma.
E)   cytoplasm.F) B) and C)
G) C) and D)

Question 10

Grana are

Accepted Answer

A)   interconnecting stomata.
B)   stacks of thylakoids.
C)   pores that open to allow gas exchange.
D)   the sites of the Calvin cycle and production of sugars.
E)   enzymes that bind CO 2.F) A) and D)
G) A) and C)

Question 11

In C 4 plants, chloroplasts are located in

Accepted Answer

A)   mesophyll cells.
B)   the stomata.
C)   both mesophyll and bundle sheath cells.
D)   bundle sheath cells.
E)   epidermal cells of the leaf.F) C) and D)
G) B) and E)

Question 12

A coenzyme is defined as

Accepted Answer

A)   a nonprotein helper that works with an enzyme.
B)   another enzyme that assists an enzyme with a chemical reaction.
C)   another enzyme in the same biochemical pathway.
D)   a carbohydrate that assists an enzyme.
E)   a protein that is not an enzyme.F) None of the above
G) A) and C)

Question 13

Which of the following organisms can perform photosynthesis?

Accepted Answer

A)   algae
B)   fungi
C)   animals
D)   invertebrates
E)   vertebratesF) A) and E)
G) C) and E)

Question 14

How many times must the Calvin cycle turn to yield a single molecule of glyceraldehyde 3-phosphate (G3P) ?

Accepted Answer

A)   2
B)   3
C)   4
D)   5
E)   6F) B) and C)
G) B) and E)

Question 15

The addition of electrons and hydrogen ions to a substrate is called what?

Accepted Answer

A)   reduction
B)   oxidation
C)   phosphorylation
D)   metabolism
E)   an enzyme-substrate complexF) A) and B)
G) B) and D)

Question 16

Which complex or enzyme of photosynthesis splits H 2O?

Accepted Answer

A)   photosystem I
B)   photosystem II
C)   rubisco
D)   electron transport chain
E)   ATP synthaseF) A) and E)
G) A) and D)

Question 17

The difference between bundle sheath cells in C 3 and C 4 plants is that

Accepted Answer

A)   the bundle sheath cells in C 3 plants have chloroplasts, while those in C 4 plants do not.
B)   the bundle sheath cells in C 4 plants have chloroplasts, while those in C 3 plants do not.
C)   the bundle sheath cells in C 3 plants are arranged in columns just beneath the upper epidermis, while those in C 4 plants are arranged in a ring around veins.
D)   the bundle sheath cells in C 4 plants are arranged in columns just beneath the upper epidermis, while those in C 3 plants are arranged in a ring around veins.
E)   There is no difference in bundle sheath cells in C 3 and C 4 plants.F) A) and E)
G) A) and D)

Question 18

The Calvin cycle produces

Accepted Answer

A)   glucose.
B)   glyceraldehyde 3-phosphate (G3P) .
C)   sucrose.
D)   3-phosphoglycerate (3PG) .
E)   ribulose 1,5-bisphosphate (RuBP) .F) A) and B)
G) A) and E)

Question 19

In which of the labeled cells of a C 4 leaf are the Calvin cycle reactions performed? 4 leaf are the Calvin cycle reactions performed?   A)  A and B B)  B and C C)  A and D D)  B only E)  C only" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   A and B
B)   B and C
C)   A and D
D)   B only
E)   C onlyF) A) and B)
G) C) and E)

Question 20

The removal of electrons and hydrogen ions from a substrate is called what?

Accepted Answer

A)   oxidation
B)   reduction
C)   phosphorylation
D)   metabolism
E)   an enzyme-substrate complexF) C) and D)
G) B) and C)

Exam 6: Energy for Life

Sucrose, cellulose, amino acids, and starch are all made from what starter molecule in plants?

Correct AnswerverifiedShow Answer

Which of the following organisms can perform photosynthesis?

Correct AnswerverifiedShow Answer

The innermost compartment of a chloroplast formed by the interconnected thylakoids is the

Correct AnswerverifiedShow Answer

In C 4 plants, chloroplasts are located in

Correct AnswerverifiedShow Answer

A small, low-growing plant found on the surface of a sun-exposed rock in a desert would most likely use which type of photosynthesis?

Correct AnswerverifiedShow Answer

The Calvin cycle produces

Correct AnswerverifiedShow Answer

Which complex or enzyme of photosynthesis splits H 2O?

Correct AnswerverifiedShow Answer

Carotenoids are found in high concentrations in yellow and orange leaves or vegetables. Why do these leaves and vegetables appear yellow or orange?

Correct AnswerverifiedShow Answer

How many times must the Calvin cycle turn to yield a single molecule of glyceraldehyde 3-phosphate (G3P) ?

Correct AnswerverifiedShow Answer

The difference between bundle sheath cells in C 3 and C 4 plants is that

Correct AnswerverifiedShow Answer

Energy to drive the formation of ATP in photosynthesis is derived from

Correct AnswerverifiedShow Answer

Inside the chloroplasts, chlorophyll is found in the

Correct AnswerverifiedShow Answer

The addition of electrons and hydrogen ions to a substrate is called what?

Correct AnswerverifiedShow Answer

The removal of electrons and hydrogen ions from a substrate is called what?

Correct AnswerverifiedShow Answer

Grana are

Correct AnswerverifiedShow Answer

In which of the labeled cells of a C 4 leaf are the Calvin cycle reactions performed?

Correct AnswerverifiedShow Answer

Which steps of photosynthesis does C 4 photosynthesis partition in space?

Correct AnswerverifiedShow Answer

Which of the following events takes place in the Calvin cycle?

Correct AnswerverifiedShow Answer

The products of photosynthesis are water and carbon dioxide.

Correct AnswerverifiedShow Answer

A coenzyme is defined as

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

In C ₄ plants, chloroplasts are located in

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Which complex or enzyme of photosynthesis splits H ₂O?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The difference between bundle sheath cells in C ₃ and C ₄ plants is that

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

In which of the labeled cells of a C ₄ leaf are the Calvin cycle reactions performed?

Correct Answer
verified

Which steps of photosynthesis does C ₄ photosynthesis partition in space?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified