Question 1

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.F) A) and B)
G) B) and C)

Question 2

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.F) A) and E)
G) C) and D)

Question 3

Stone cells of pears are an example of _______ cells.

Accepted Answer

A)   parenchyma
B)   sclerenchyma
C)   collenchyma
D)   companion
E)   tracheidF) D) and E)
G) A) and C)

Question 4

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 5

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.F) A) and C)
G) All of the above

Question 6

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)   PetalF) A) and B)
G) B) and D)

Question 7

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 8

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 9

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.F) B) and C)
G) 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 leucoplastsF) A) and B)
G) D) and E)

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)   PithF) D) and E)
G) A) and B)

Question 12

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)   magnoliidF) A) and C)
G) C) and E)

Question 13

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 cF) A) and B)
G) A) and E)

Question 14

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 15

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.F) None of the above
G) C) and D)

Question 16

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 cellsF) C) and E)
G) B) and D)

Question 17

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  secondary xylem  vascular cambium  secondary phloem  primary phloem
B)   Secondary xylem  primary xylem  vascular cambium  primary phloem  secondary phloem
C)   Primary xylem  primary phloem  secondary xylem  secondary phloem  vascular cambium
D)   Primary xylem  primary phloem  vascular cambium  secondary phloem  secondary xylem
E)   Secondary xylem  secondary phloem  vascular cambium  primary xylem  primary phloemF) B) and E)
G) B) and D)

Question 18

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 elongationF) A) and B)
G) None of the above

Question 19

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.F) A) and D)
G) None of the above

Question 20

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 cF) None of the above
G) A) and E)

Exam 33: The Plant Body

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Lenticels are most like stomata in that both

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In contrast to sclerenchyma cells, collenchyma cells

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Stone cells of pears are an example of _______ cells.

Correct AnswerverifiedShow Answer

The purpose of the root cap is to

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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 _______.

Correct AnswerverifiedShow Answer

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).

Correct AnswerverifiedD; sclerei...View AnswerShow Answer

Which structures function even when they are no longer alive?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedThis means that the embryo con...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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D; sclerei...
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This means that the embryo con...
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