Question 1

Which of the following represents the correct order of vascular tissues, from the center to the outer part of a tree trunk?

Accepted Answer

A)  Primary xylem F1F1F1S1F1F1F10 secondary xylem F1F1F1S1F1F1F10 vascular cambium F1F1F1S1F1F1F10 secondary phloem F1F1F1S1F1F1F10 primary phloem 
B)  Secondary xylem F1F1F1S1F1F1F10 primary xylem F1F1F1S1F1F1F10 vascular cambium F1F1F1S1F1F1F10 primary phloem F1F1F1S1F1F1F10 secondary phloem 
C)  Primary xylem F1F1F1S1F1F1F10 primary phloem F1F1F1S1F1F1F10 secondary xylem F1F1F1S1F1F1F10 secondary phloem F1F1F1S1F1F1F10 vascular cambium 
D)  Primary xylem F1F1F1S1F1F1F10 primary phloem F1F1F1S1F1F1F10 vascular cambium F1F1F1S1F1F1F10 secondary phloem F1F1F1S1F1F1F10 secondary xylem 
E)  Secondary xylem F1F1F1S1F1F1F10 secondary phloem F1F1F1S1F1F1F10 vascular cambium F1F1F1S1F1F1F10 primary xylem F1F1F1S1F1F1F10 primary phloem 
A)  Primary xylem F1F1F1S1F1F1F10 secondary xylem F1F1F1S1F1F1F10 vascular cambium F1F1F1S1F1F1F10 secondary phloem F1F1F1S1F1F1F10 primary phloem 
B)  Secondary xylem F1F1F1S1F1F1F10 primary xylem F1F1F1S1F1F1F10 vascular cambium F1F1F1S1F1F1F10 primary phloem F1F1F1S1F1F1F10 secondary phloem 
C)  Primary xylem F1F1F1S1F1F1F10 primary phloem F1F1F1S1F1F1F10 secondary xylem F1F1F1S1F1F1F10 secondary phloem F1F1F1S1F1F1F10 vascular cambium 
D)  Primary xylem F1F1F1S1F1F1F10 primary phloem F1F1F1S1F1F1F10 vascular cambium F1F1F1S1F1F1F10 secondary phloem F1F1F1S1F1F1F10 secondary xylem 
E)  Secondary xylem F1F1F1S1F1F1F10 secondary phloem F1F1F1S1F1F1F10 vascular cambium F1F1F1S1F1F1F10 primary xylem F1F1F1S1F1F1F10 primary phloem

Question 2

In which area of a plant would you expect to find mitotic activity?

Accepted Answer

A)  The shoot apex 
B)  The mature leaf 
C)  The wood 
D)  The xylem 
E)  The root zone of elongation 
A)  The shoot apex 
B)  The mature leaf 
C)  The wood 
D)  The xylem 
E)  The root zone of elongation

Question 3

Clusters of undifferentiated cells that will eventually form all of a plant's organs are called _______.

Accepted Answer

The answer of Clusters of undifferentiated cells that will eventually...

Question 4

The _______ of woody stems, though structured very differently from the stomata of leaves, function in some ways that are similar.

Accepted Answer

A)  mesophyll cells 
B)  cuticles 
C)  lenticels 
D)  vessel elements 
E)  bundle sheath cells 
A)  mesophyll cells 
B)  cuticles 
C)  lenticels 
D)  vessel elements 
E)  bundle sheath cells

Question 5

Refer to the figure showing the torpedo stage of plant embryogenesis.   The yellow and red regions of the figure refer to apical meristems, regions of undifferentiated cells.How is this significant for plant growth?

Accepted Answer

This means that the embryo con

Question 6

Stone cells of pears are an example of _______ cells.

Accepted Answer

A)  parenchyma 
B)  sclerenchyma 
C)  collenchyma 
D)  companion 
E)  tracheid 
A)  parenchyma 
B)  sclerenchyma 
C)  collenchyma 
D)  companion 
E)  tracheid

Question 7

Lenticels are most like stomata in that both

Accepted Answer

A)  are involved in gas exchange. 
B)  are located on the surface of the plant. 
C)  contain parenchyma cells. 
D)  open at dawn. 
E)  are part of secondary growth. 
A)  are involved in gas exchange. 
B)  are located on the surface of the plant. 
C)  contain parenchyma cells. 
D)  open at dawn. 
E)  are part of secondary growth.

Question 8

Refer to the figure showing various types of ground tissue cells.   A scientist is analyzing the fruit of a relative of pear and finds that, like pear, this fruit has a gritty texture.Which of the cell types shown (A‒D) is/are probably responsible for this texture? Identify the cell type(s).

Accepted Answer

D; sclerei

Question 9

The purpose of the root cap is to

Accepted Answer

A)  protect the root apical meristem. 
B)  replace the root apical meristem. 
C)  lubricate the passage of the root through the soil as it grows. 
D)  repair the root apical meristem. 
E)  Both a and c 
A)  protect the root apical meristem. 
B)  replace the root apical meristem. 
C)  lubricate the passage of the root through the soil as it grows. 
D)  repair the root apical meristem. 
E)  Both a and c

Question 10

Which of the following is not a feature or function of parenchyma cells?

Accepted Answer

A)  Photosynthesis 
B)  Supporting the stem 
C)  Large central vacuole 
D)  Starch and lipid storage 
E)  Contain leucoplasts 
A)  Photosynthesis 
B)  Supporting the stem 
C)  Large central vacuole 
D)  Starch and lipid storage 
E)  Contain leucoplasts

Question 11

In a laboratory for this course, you are told to examine a slide of a root that is branching and find the origins of the lateral roots.What part of the root are you examining?

Accepted Answer

A)  Epidermis 
B)  Pericycle 
C)  Endodermis 
D)  Cortex 
E)  Pith 
A)  Epidermis 
B)  Pericycle 
C)  Endodermis 
D)  Cortex 
E)  Pith

Question 12

A novel desert plant can to absorb extra water during rare rainstorms by having xylem-like cells in its ground tissue as well as its vascular tissue.This also makes the stem much stronger than closely-related plants.These xylem-like cells probably have cells walls hardened by _______.

Accepted Answer

The answer of A novel desert plant can to absorb...

Question 13

A maple sapling is discovered to have roots growing in random directions instead of down.It most likely has a mutation affecting its

Accepted Answer

A)  root cap. 
B)  pericycle. 
C)  apical meristem. 
D)  protoderm. 
E)  region of elongation. 
A)  root cap. 
B)  pericycle. 
C)  apical meristem. 
D)  protoderm. 
E)  region of elongation.

Question 14

Which structures function even when they are no longer alive?

Accepted Answer

A)  Tracheary elements 
B)  Collenchyma cells 
C)  Sclerenchyma cells 
D)  Companion cells 
E)  Both a and c 
A)  Tracheary elements 
B)  Collenchyma cells 
C)  Sclerenchyma cells 
D)  Companion cells 
E)  Both a and c

Question 15

Refer to the figure showing the basic plant body plan.   The taproot system shown in the figure indicates that this is a

Accepted Answer

A)  gymnosperm. 
B)  fern. 
C)  eudicot. 
D)  monocot. 
E)  magnoliid 
A)  gymnosperm. 
B)  fern. 
C)  eudicot. 
D)  monocot. 
E)  magnoliid

Question 16

A species of carnivorous plant has special red root ends that are found just above the region where most cell division stops.Therefore, red color of the root ends is in the

Accepted Answer

A)  root cap. 
B)  zone of cell division. 
C)  zone of cell elongation. 
D)  quiescent center. 
E)  zone of cell maturation. 
A)  root cap. 
B)  zone of cell division. 
C)  zone of cell elongation. 
D)  quiescent center. 
E)  zone of cell maturation.

Question 17

Which of the following is not a component of a phytomer?

Accepted Answer

A)  Leaf 
B)  Root hair 
C)  Axillary buds 
D)  Internode 
E)  All of the above are components of a phytomer. 
A)  Leaf 
B)  Root hair 
C)  Axillary buds 
D)  Internode 
E)  All of the above are components of a phytomer.

Question 18

In contrast to sclerenchyma cells, collenchyma cells

Accepted Answer

A)  have more secondary cell wall materials. 
B)  have more variable shapes. 
C)  can be found in bundles. 
D)  provide support to the plant. 
E)  are more flexible. 
A)  have more secondary cell wall materials. 
B)  have more variable shapes. 
C)  can be found in bundles. 
D)  provide support to the plant. 
E)  are more flexible.

Question 19

Which of the following is not a part of the vegetative shoot system of a flowering plant?

Accepted Answer

A)  Leaf 
B)  Axillary bud 
C)  Petiole 
D)  Tuber 
E)  Petal 
A)  Leaf 
B)  Axillary bud 
C)  Petiole 
D)  Tuber 
E)  Petal

Question 20

A region in the root apical meristem where cell division does not occur is the

Accepted Answer

A)  root cap. 
B)  center of cell division. 
C)  zone of cell elongation. 
D)  quiescent center. 
E)  zone of cell maturation. 
A)  root cap. 
B)  center of cell division. 
C)  zone of cell elongation. 
D)  quiescent center. 
E)  zone of cell maturation.

Exam 33: The Plant Body

Which of the following represents the correct order of vascular tissues, from the center to the outer part of a tree trunk?

In which area of a plant would you expect to find mitotic activity?

Clusters of undifferentiated cells that will eventually form all of a plant's organs are called _______.

The _______ of woody stems, though structured very differently from the stomata of leaves, function in some ways that are similar.

Refer to the figure showing the torpedo stage of plant embryogenesis. The yellow and red regions of the figure refer to apical meristems, regions of undifferentiated cells.How is this significant for plant growth?

Stone cells of pears are an example of _______ cells.

Lenticels are most like stomata in that both

Refer to the figure showing various types of ground tissue cells. A scientist is analyzing the fruit of a relative of pear and finds that, like pear, this fruit has a gritty texture.Which of the cell types shown (A‒D) is/are probably responsible for this texture? Identify the cell type(s).

The purpose of the root cap is to

Which of the following is not a feature or function of parenchyma cells?

In a laboratory for this course, you are told to examine a slide of a root that is branching and find the origins of the lateral roots.What part of the root are you examining?

A novel desert plant can to absorb extra water during rare rainstorms by having xylem-like cells in its ground tissue as well as its vascular tissue.This also makes the stem much stronger than closely-related plants.These xylem-like cells probably have cells walls hardened by _______.

A maple sapling is discovered to have roots growing in random directions instead of down.It most likely has a mutation affecting its

Which structures function even when they are no longer alive?

Refer to the figure showing the basic plant body plan. The taproot system shown in the figure indicates that this is a

A species of carnivorous plant has special red root ends that are found just above the region where most cell division stops.Therefore, red color of the root ends is in the

Which of the following is not a component of a phytomer?

In contrast to sclerenchyma cells, collenchyma cells

Which of the following is not a part of the vegetative shoot system of a flowering plant?

A region in the root apical meristem where cell division does not occur is the

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