Question 1

The tissue layers in the middle of a leaf,between the upper and lower epidermis,are called the

Accepted Answer

A)  mesophyll tissue.
B)  ground tissue.
C)  protoderm tissue.
D)  parenchyma.
E)  collenchyma.F) C) and D)
G) None of the above

Question 2

Which of the following statements correctly describes the vascular cambium?

Accepted Answer

A)  It develops between the primary xylem and the primary phloem in dicots.
B)  It occurs only in monocot stems.
C)  It is important in the elongation of roots.
D)  It is formed by the ground meristem.
E)  It is responsible for all cell types that result from primary growth.F) B) and E)
G) C) and D)

Question 3

Secondary growth of plants results from cell division in which type of meristem?

Accepted Answer

A)  intercalary meristem
B)  lateral meristem
C)  primary meristem
D)  secondary meristem
E)  stele meristemF) B) and E)
G) A) and B)

Question 4

Which of these is not a function of the root cap?

Accepted Answer

A)  gravity perception
B)  rapid cell division
C)  protects the root tip
D)  helps push away soil particles as the root grows
E)  releases a slimy lubricant fluidF) B) and E)
G) B) and C)

Question 5

Parenchyma,collenchyma,and sclerenchyma are all types of cells in the

Accepted Answer

A)  meristem tissue.
B)  ground tissue.
C)  vascular cambium tissue.
D)  cork cambium tissue.
E)  epidermal tissuE.F) A) and E)
G) D) and E) B

Question 6

Which of the following cell types is not designed for transport?

Accepted Answer

A)  sclerenchyma
B)  xylem vessel members
C)  sieve tube members
D)  tracheids
E)  sieve cellsF) All of the above
G) A) and E) A

Question 7

A major distinguishing feature between monocot and eudicot stems is the organization of the ____________ system.

Accepted Answer

A)  plant
B)  conducting
C)  vascular tissue
D)  secondary
E)  groundF) C) and D)
G) A) and E)

Question 8

Primary xylem and phloem are produced by the

Accepted Answer

A)  procambium.
B)  protoderm.
C)  leaf primordial.
D)  ground meristem.
E)  proembryo.F) B) and E)
G) None of the above

Question 9

Choose the letter of the best match from the following:
-Source of cells that differentiate into primary vascular tissues.

Accepted Answer

A)  protoderm
B)  vascular cambium
C)  apical meristem
D)  procambium
E)  ground meristemF) A) and B)
G) A) and C)

Question 10

The WEREWOLF gene (WER) helps to determine the differentiation of what cell types?

Accepted Answer

A)  the xylem and phloem in the vascular bundles
B)  fibers in the outer portions of the stem
C)  root epidermal cells with and without root hairs
D)  various layers of ground tissue in the root
E)  formation of trichome hairs on leavesF) A) and D)
G) A) and C)

Question 11

In leaves where the blade is divided into leaflets,if the leaflets are arranged in pairs along a common axis,they are classified as

Accepted Answer

A)  palmately compound.
B)  pinnately compound.
C)  alternately arranged.
D)  oppositely arrangeD.
E)  midrib arranged.F) A) and D)
G) All of the above

Question 12

Choose the letter of the best match from the following:
-The three primary meristems are the _____________,which forms the epidermis;the procambium,which produces primary vascular tissues (primary xylem and primary phloem) ;and the ground meristem,which differentiates further into ground tissue.

Accepted Answer

A)  protoderm
B)  vascular cambium
C)  apical meristem
D)  procambium
E)  ground meristemF) None of the above
G) B) and E) A

Question 13

Cell division in the apical meristems at the tips of a plant that results in increases in height or length is called

Accepted Answer

A)  primary growth.
B)  secondary growth.
C)  vascular cambium growth.
D)  mitotic growth.
E)  herbaceous growth.F) A) and D)
G) C) and E)

Question 14

Which of the following is not true about sclerenchyma?

Accepted Answer

A)  These cells have thick,tough secondary walls.
B)  They may lack living protoplasts when mature.
C)  These cells are mainly to transport oxygen and carbon dioxide throughout the leaf.
D)  Their secondary walls may be impregnated with lignin.
E)  Two examples are fibers and sclereids.F) B) and E)
G) A) and B)

Question 15

In the vascular bundles of most dicot stems,primary phloem differentiates toward the ________ while primary xylem differentiates toward the _________.

Accepted Answer

A)  middle;outside
B)  cork cambium;vascular cambium
C)  outside;middle
D)  shoot tip;roots
E)  middle;middleF) B) and D)
G) B) and C)

Question 16

The most distinctive characteristic of leaf mesophyll cells is that they are filled with

Accepted Answer

A)  central vacuoles.
B)  many chloroplasts.
C)  oxygen bubbles.
D)  veins.
E)  stomata.F) A) and E)
G) A) and B)

Question 17

The slender stalk that connects the flattened leaf blade to the stem in most dicots is the

Accepted Answer

A)  meristem.
B)  petiole.
C)  stele.
D)  receptacle.
E)  vein.F) A) and E)
G) A) and D)

Question 18

Which of these can found in oak wood but not in pine wood?

Accepted Answer

A)  secondary xylem
B)  secondary phloem
C)  vessel members
D)  tracheids
E)  ray cellsF) C) and D)
G) A) and E)

Question 19

In the annual rings of woody trees,how does the xylem of the Spring and Summer wood compare to the fall and winter wood?

Accepted Answer

A)  It is more dense.
B)  It has smaller vessels.
C)  The cell walls are thicker.
D)  It is younger.
E)  The vessel diameters are larger.F) B) and E)
G) D) and E)

Question 20

Which of these is not a possible function of trichomes?

Accepted Answer

A)  reflect light from leaf surfaces
B)  store or secrete salt
C)  defend against insects
D)  structural support
E)  irritate potential herbivoresF) A) and D)
G) A) and E)

Exam 36: Plant Form

The tissue layers in the middle of a leaf,between the upper and lower epidermis,are called the

Correct AnswerverifiedShow Answer

Which of the following statements correctly describes the vascular cambium?

Correct AnswerverifiedShow Answer

Secondary growth of plants results from cell division in which type of meristem?

Correct AnswerverifiedShow Answer

Which of these is not a function of the root cap?

Correct AnswerverifiedShow Answer

Parenchyma,collenchyma,and sclerenchyma are all types of cells in the

Correct AnswerverifiedB

Which of the following cell types is not designed for transport?

Correct AnswerverifiedA

A major distinguishing feature between monocot and eudicot stems is the organization of the ____________ system.

Correct AnswerverifiedShow Answer

Primary xylem and phloem are produced by the

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -Source of cells that differentiate into primary vascular tissues.

Correct AnswerverifiedShow Answer

The WEREWOLF gene (WER) helps to determine the differentiation of what cell types?

Correct AnswerverifiedShow Answer

In leaves where the blade is divided into leaflets,if the leaflets are arranged in pairs along a common axis,they are classified as

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -The three primary meristems are the _____________,which forms the epidermis;the procambium,which produces primary vascular tissues (primary xylem and primary phloem) ;and the ground meristem,which differentiates further into ground tissue.

Correct AnswerverifiedA

Cell division in the apical meristems at the tips of a plant that results in increases in height or length is called

Correct AnswerverifiedShow Answer

Which of the following is not true about sclerenchyma?

Correct AnswerverifiedShow Answer

In the vascular bundles of most dicot stems,primary phloem differentiates toward the ________ while primary xylem differentiates toward the _________.

Correct AnswerverifiedShow Answer

The most distinctive characteristic of leaf mesophyll cells is that they are filled with

Correct AnswerverifiedShow Answer

The slender stalk that connects the flattened leaf blade to the stem in most dicots is the

Correct AnswerverifiedShow Answer

Which of these can found in oak wood but not in pine wood?

Correct AnswerverifiedShow Answer

In the annual rings of woody trees,how does the xylem of the Spring and Summer wood compare to the fall and winter wood?

Correct AnswerverifiedShow Answer

Which of these is not a possible function of trichomes?

Correct AnswerverifiedShow Answer

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A

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In the vascular bundles of most dicot stems,primary phloem differentiates toward the while primary xylem differentiates toward the _.

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