Question 1

The darker part of annual growth rings in woody stems is formed by

Accepted Answer

A)  secondary phloem. 
B)  sap wood. 
C)  summer wood. 
D)  spring wood. 
E)  heart wood. 
A)  secondary phloem. 
B)  sap wood. 
C)  summer wood. 
D)  spring wood. 
E)  heart wood.

Question 2

Conducting cells called _______ are the part of xylem in which water and minerals are transported.

Accepted Answer

A)  tracheids 
B)  sieve tubes 
C)  vessel elements 
D)  sclerenchyma 
E)  Both a and c 
A)  tracheids 
B)  sieve tubes 
C)  vessel elements 
D)  sclerenchyma 
E)  Both a and c

Question 3

While blindfolded, you are given a piece of a plant and asked to identify it by feel.You realize that you are holding a terminal bud, and you conclude that you have been given the

Accepted Answer

A)  end of a woody stem. 
B)  tip of a primary root. 
C)  tip of a secondarily thickened root. 
D)  base of a leaf axil. 
E)  middle of an internode. 
A)  end of a woody stem. 
B)  tip of a primary root. 
C)  tip of a secondarily thickened root. 
D)  base of a leaf axil. 
E)  middle of an internode.

Question 4

The protective outer layer of cells of the plant is called the

Accepted Answer

A)  vascular tissue. 
B)  endoderm. 
C)  epidermis. 
D)  ground tissue. 
E)  pericycle. 
A)  vascular tissue. 
B)  endoderm. 
C)  epidermis. 
D)  ground tissue. 
E)  pericycle.

Question 5

Leaf anatomy differs from that of stems in that leaves have a distinct top and bottom side, adapted for maximizing photosynthesis, while stem tissues have a(n) _______ pattern.

Accepted Answer

The answer of Leaf anatomy differs from that of stems...

Question 6

Which cells accomplish the function of water transport in stems?

Accepted Answer

A)  Collenchyma cells 
B)  Companion cells 
C)  Parenchyma cells 
D)  Sclerenchyma cells 
E)  Vessel elements 
A)  Collenchyma cells 
B)  Companion cells 
C)  Parenchyma cells 
D)  Sclerenchyma cells 
E)  Vessel elements

Question 7

Secondary plant growth

Accepted Answer

A)  results in the formation of wood. 
B)  occurs only in stems. 
C)  makes a plant taller. 
D)  is especially prevalent in monocots. 
E)  occurs in all angiosperms. 
A)  results in the formation of wood. 
B)  occurs only in stems. 
C)  makes a plant taller. 
D)  is especially prevalent in monocots. 
E)  occurs in all angiosperms.

Question 8

Refer to the figure showing the torpedo stage of plant embryogenesis.   Which layer (color) of the embryo in the figure will give rise to xylem cells of the adult plant?

Accepted Answer

The answer of Refer to the figure showing the torpedo...

Question 9

Potatoes are a portion of the _______ of the plant, and their "eyes" contain lateral buds.

Accepted Answer

The answer of Potatoes are a portion of the _______...

Question 10

You observe a cell that is elongated with thickened primary cell walls, particularly at the corners, yet it lacks secondary cell well.This cell likely provides flexible support.You are most likely observing a _______ cell.

Accepted Answer

A)  sclereid 
B)  vascular 
C)  parenchyma 
D)  sclerenchyma 
E)  collenchyma 
A)  sclereid 
B)  vascular 
C)  parenchyma 
D)  sclerenchyma 
E)  collenchyma

Question 11

Which of the following represents the correct order of the cell layers encountered by an insect boring into a maple leaf, from the upper surface of the leaf toward the center of the leaf?

Accepted Answer

A)  Mesophyll F1F1F1S1F1F1F10 xylem F1F1F1S1F1F1F10 phloem F1F1F1S1F1F1F10 epidermis 
B)  Epidermis F1F1F1S1F1F1F10 xylem F1F1F1S1F1F1F10 mesophyll F1F1F1S1F1F1F10 phloem 
C)  Xylem F1F1F1S1F1F1F10 phloem F1F1F1S1F1F1F10 mesophyll F1F1F1S1F1F1F10 epidermis 
D)  Mesophyll F1F1F1S1F1F1F10 epidermis F1F1F1S1F1F1F10 xylem F1F1F1S1F1F1F10 phloem 
E)  Epidermis F1F1F1S1F1F1F10 mesophyll F1F1F1S1F1F1F10 xylem F1F1F1S1F1F1F10 phloem 
A)  Mesophyll F1F1F1S1F1F1F10 xylem F1F1F1S1F1F1F10 phloem F1F1F1S1F1F1F10 epidermis 
B)  Epidermis F1F1F1S1F1F1F10 xylem F1F1F1S1F1F1F10 mesophyll F1F1F1S1F1F1F10 phloem 
C)  Xylem F1F1F1S1F1F1F10 phloem F1F1F1S1F1F1F10 mesophyll F1F1F1S1F1F1F10 epidermis 
D)  Mesophyll F1F1F1S1F1F1F10 epidermis F1F1F1S1F1F1F10 xylem F1F1F1S1F1F1F10 phloem 
E)  Epidermis F1F1F1S1F1F1F10 mesophyll F1F1F1S1F1F1F10 xylem F1F1F1S1F1F1F10 phloem

Question 12

Suppose you have a plant cell from a redwood tree.It has a secondary cell wall with pits and is shaped like a spindle-thicker in the middle and tapered down at the ends.It is most likely a

Accepted Answer

A)  fiber cell. 
B)  tracheid. 
C)  vessel element. 
D)  sieve tube element. 
E)  companion cell. 
A)  fiber cell. 
B)  tracheid. 
C)  vessel element. 
D)  sieve tube element. 
E)  companion cell.

Question 13

Bud primordia

Accepted Answer

A)  can initiate new shoots. 
B)  always develop into new branches. 
C)  are only found in secondary growth. 
D)  are likely to develop into roots. 
E)  develop into leaf primordia. 
A)  can initiate new shoots. 
B)  always develop into new branches. 
C)  are only found in secondary growth. 
D)  are likely to develop into roots. 
E)  develop into leaf primordia.

Question 14

Compare primary and secondary growth.Do all angiosperms undergo secondary growth? Explain.

Accepted Answer

Primary growth involves cell division an

Question 15

Guard cells are modified _______ cells.

Accepted Answer

A)  ground tissue 
B)  cortex 
C)  xylem 
D)  epidermal 
E)  periderm 
A)  ground tissue 
B)  cortex 
C)  xylem 
D)  epidermal 
E)  periderm

Question 16

Which of the following is not a difference between monocots and eudicots?

Accepted Answer

A)  Number of flower parts 
B)  Arrangement of veins 
C)  Type of root system 
D)  Number of furrows or pores in pollen 
E)  Flower color 
A)  Number of flower parts 
B)  Arrangement of veins 
C)  Type of root system 
D)  Number of furrows or pores in pollen 
E)  Flower color

Question 17

Runners, tubers, and bulbs are all examples of modified

Accepted Answer

A)  roots. 
B)  stems. 
C)  leaves. 
D)  leaf hairs. 
E)  flowers. 
A)  roots. 
B)  stems. 
C)  leaves. 
D)  leaf hairs. 
E)  flowers.

Question 18

What are plasmodesmata? What is the physiological significance of the presence of plasmodesmata in plants?

Accepted Answer

Plasmodesmata are membrane-lined cytopla

Question 19

Primary phloem is always formed before

Accepted Answer

A)  vascular cambium. 
B)  primary xylem. 
C)  secondary xylem. 
D)  stomata. 
E)  Both a and c 
A)  vascular cambium. 
B)  primary xylem. 
C)  secondary xylem. 
D)  stomata. 
E)  Both a and c

Question 20

Refer to the figure showing the formation of a typical plant cell wall.   Which of the following is the correct sequence of cell wall structures you would encounter moving from the interior to the exterior of a cell?

Accepted Answer

A)  Plasma membrane F1F1F1S1F1F1F10 primary cell wall F1F1F1S1F1F1F10 secondary cell wall F1F1F1S1F1F1F10 middle lamella 
B)  Primary cell wall F1F1F1S1F1F1F10 secondary cell wall F1F1F1S1F1F1F10 middle lamella 
C)  Secondary cell wall F1F1F1S1F1F1F10 primary cell wall F1F1F1S1F1F1F10 plasma membrane F1F1F1S1F1F1F10 middle lamella 
D)  Secondary cell wall F1F1F1S1F1F1F10 primary cell wall F1F1F1S1F1F1F10 middle lamella 
E)  Middle lamella F1F1F1S1F1F1F10 secondary cell wall F1F1F1S1F1F1F10 primary cell wall 
A)  Plasma membrane F1F1F1S1F1F1F10 primary cell wall F1F1F1S1F1F1F10 secondary cell wall F1F1F1S1F1F1F10 middle lamella 
B)  Primary cell wall F1F1F1S1F1F1F10 secondary cell wall F1F1F1S1F1F1F10 middle lamella 
C)  Secondary cell wall F1F1F1S1F1F1F10 primary cell wall F1F1F1S1F1F1F10 plasma membrane F1F1F1S1F1F1F10 middle lamella 
D)  Secondary cell wall F1F1F1S1F1F1F10 primary cell wall F1F1F1S1F1F1F10 middle lamella 
E)  Middle lamella F1F1F1S1F1F1F10 secondary cell wall F1F1F1S1F1F1F10 primary cell wall

Exam 33: The Plant Body

The darker part of annual growth rings in woody stems is formed by

Conducting cells called _______ are the part of xylem in which water and minerals are transported.

While blindfolded, you are given a piece of a plant and asked to identify it by feel.You realize that you are holding a terminal bud, and you conclude that you have been given the

The protective outer layer of cells of the plant is called the

Leaf anatomy differs from that of stems in that leaves have a distinct top and bottom side, adapted for maximizing photosynthesis, while stem tissues have a(n) _______ pattern.

Which cells accomplish the function of water transport in stems?

Secondary plant growth

Refer to the figure showing the torpedo stage of plant embryogenesis. Which layer (color) of the embryo in the figure will give rise to xylem cells of the adult plant?

Potatoes are a portion of the _______ of the plant, and their "eyes" contain lateral buds.

You observe a cell that is elongated with thickened primary cell walls, particularly at the corners, yet it lacks secondary cell well.This cell likely provides flexible support.You are most likely observing a _______ cell.

Which of the following represents the correct order of the cell layers encountered by an insect boring into a maple leaf, from the upper surface of the leaf toward the center of the leaf?

Suppose you have a plant cell from a redwood tree.It has a secondary cell wall with pits and is shaped like a spindle-thicker in the middle and tapered down at the ends.It is most likely a

Bud primordia

Compare primary and secondary growth.Do all angiosperms undergo secondary growth? Explain.

Guard cells are modified _______ cells.

Which of the following is not a difference between monocots and eudicots?

Runners, tubers, and bulbs are all examples of modified

What are plasmodesmata? What is the physiological significance of the presence of plasmodesmata in plants?

Primary phloem is always formed before

Refer to the figure showing the formation of a typical plant cell wall. Which of the following is the correct sequence of cell wall structures you would encounter moving from the interior to the exterior of a cell?

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