Question 1

Which of the following must occur in order to maintain a high pressure potential within guard cells?

Accepted Answer

A)  Potassium ions must be actively transported out.
B)  Energy must be constantly expended.
C)  Water must exit guard cells by osmosis.
D)  Stomata must take up more oxygen and less carbon dioxide.
E)  The rate of transpiration must increase.F) C) and D)
G) A) and B)

Question 2

Most of the water absorbed by the plant enters through the

Accepted Answer

A)  root apical meristem.
B)  root cap.
C)  root hairs.
D)  stomata.
E)  lenticels.F) A) and B)
G) All of the above

Question 3

An application of too much fertilizer will negatively affect the movement of materials in the phloem.

Accepted Answer

A) True 
 B)False

Question 4

A plant will usually wilt when which component of water potential reaches 0 MPa?

Accepted Answer

A)  solute potential
B)  turgor pressure
C)  total water potential
D)  gravity potentialE) A) and C)
F) B) and D)

Question 5

Water may be lost in the form of liquid from the surface of leaves through a process known as

Accepted Answer

A)  guttation.
B)  cohesion.
C)  phloem loading.
D)  mesophyll adhesion.
E)  aeration.F) A) and B)
G) A) and C)

Question 6

A decrease in the availability of ATP in a root cell could decrease the water potential of the cell.

Accepted Answer

A) True 
 B)False

Question 7

The process of moving water through a plant by transpiration works because water molecules stick to each other with

Accepted Answer

A)  turgor pressure.
B)  osmosis.
C)  ionic bonds.
D)  adhesion.
E)  hydrogen bonds.F) B) and C)
G) A) and B)

Question 8

The uneven distribution of an impermeable solute on either side of a membrane will result in

Accepted Answer

A)  an increase in oxygen deprivation.
B)  proton pumping.
C)  root pressure.
D)  osmosis.
E)  stomatal closing.F) A) and D)
G) A) and C)

Question 9

Water moves through a plant by each of the following methods except

Accepted Answer

A)  from cell to cell through plasmodesmata.
B)  through the Casparian strip.
C)  through the spaces between cells.
D)  through vessel members.
E)  from cell to cell across plasma membranes.F) C) and D)
G) B) and C)

Question 10

Some plants are able to endure frequent flooding events because they contain a tissue with loose parenchyma cells and large air spaces called

Accepted Answer

A)  xylem.
B)  spongy mesophyll.
C)  pneumatophores.
D)  aerenchyma.
E)  epidermal tissue.F) B) and D)
G) A) and B)

Question 11

Some plants can tolerate flooding conditions by

Accepted Answer

A)  formation of aerenchyma.
B)  opening their lenticels.
C)  forming additional adventitious roots.
D)  shedding their bark.
E)  pumping water out of their roots.F) C) and D)
G) A) and C)

Exam 36: Transport in Plants

An application of too much fertilizer will negatively affect the movement of materials in the phloem.

Correct Answer
verified

Water may be lost in the form of liquid from the surface of leaves through a process known as

Correct Answer
verified

Some plants are able to endure frequent flooding events because they contain a tissue with loose parenchyma cells and large air spaces called

Correct Answer
verified

Some plants can tolerate flooding conditions by

Correct Answer
verified

Which of the following must occur in order to maintain a high pressure potential within guard cells?

Correct Answer
verified

The uneven distribution of an impermeable solute on either side of a membrane will result in

Correct Answer
verified

A decrease in the availability of ATP in a root cell could decrease the water potential of the cell.

Correct Answer
verified

A plant will usually wilt when which component of water potential reaches 0 MPa?

Correct Answer
verified

Water moves through a plant by each of the following methods except

Correct Answer
verified

Most of the water absorbed by the plant enters through the

Correct Answer
verified

The process of moving water through a plant by transpiration works because water molecules stick to each other with

Correct Answer
verified

Exam 36: Transport in Plants

An application of too much fertilizer will negatively affect the movement of materials in the phloem.

Correct AnswerverifiedShow Answer

Water may be lost in the form of liquid from the surface of leaves through a process known as

Correct AnswerverifiedShow Answer

Some plants are able to endure frequent flooding events because they contain a tissue with loose parenchyma cells and large air spaces called

Correct AnswerverifiedShow Answer

Some plants can tolerate flooding conditions by

Correct AnswerverifiedShow Answer

Which of the following must occur in order to maintain a high pressure potential within guard cells?

Correct AnswerverifiedShow Answer

The uneven distribution of an impermeable solute on either side of a membrane will result in

Correct AnswerverifiedShow Answer

A decrease in the availability of ATP in a root cell could decrease the water potential of the cell.

Correct AnswerverifiedShow Answer

A plant will usually wilt when which component of water potential reaches 0 MPa?

Correct AnswerverifiedShow Answer

Water moves through a plant by each of the following methods except

Correct AnswerverifiedShow Answer

Most of the water absorbed by the plant enters through the

Correct AnswerverifiedShow Answer

The process of moving water through a plant by transpiration works because water molecules stick to each other with

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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