Question 1

___________ enters a leaf through leaf veins,and _________ exits a leaf through leaf veins.

Accepted Answer

A)   Water; carbon dioxide
B)   Oxygen; carbon dioxide
C)   Water; sugar
D)   Carbon dioxide; sugar
E)   Sugar; oxygenF) A) and B)
G) C) and D)

Question 2

Transport in xylem is typically upward,while transport in phloem can be in any direction depending on where the sink is located.

Accepted Answer

A) True 
 B)False

Question 3

Herbaceous eudicot stems differ from woody stems because herbaceous eudicot stems

Accepted Answer

A)   do not contain cork cambium.
B)   lack an organized pith.
C)   initiate branching from the cortex, rather than from the cork cambium.
D)   do not contain distinct vascular bundles.
E)   contain scattered vascular bundles rather than containing vascular bundles in a ring.F) A) and C)
G) A) and E)

Question 4

Which plant tissue type transports water and nutrients throughout the plant?

Accepted Answer

A)   Vascular
B)   Epidermis
C)   Ground
D)   Dermis
E)   ParenchymaF) A) and E)
G) A) and D)

Question 5

What advantages do root hairs give to a plant?

Accepted Answer

A)   The products of photosynthesis from the leaves are stored in the root hairs.
B)   Root hairs provide support for the elongating shoot system.
C)   Root hairs allow the plant to regenerate after the shoot system dies back.
D)   Root hairs allow lateral branching of the roots.
E)   Root hairs increase the surface area available for water absorption.F) B) and D)
G) A) and C)

Question 6

Which plant structure will open and close in response to turgor pressure,helping to regulate transpiration?

Accepted Answer

A)   stomata
B)   stoma
C)   stroma
D)   xylem
E)   trichomesF) A) and B)
G) B) and C)

Question 7

A leaf is compound when it lacks a petiole and possesses a blade that is divided into leaflets.

Accepted Answer

A) True 
 B)False

Question 8

In the pressure-flow model,what two phenomena starts the flow of phloem contents?

Accepted Answer

A)   active transport of sugar into sieve tubes, water follows by osmosis
B)   water leaving sieve tubes by osmosis, followed by active transport of sugar into sieve tubes
C)   active transport of water into sieve tubes, water entering companion cells by osmosis
D)   water enters companion cells by osmosis, followed by active transport of sugar into sieve tubes
E)   active transport of sugar into companion cells, water follows by osmosisF) All of the above
G) A) and B)

Question 9

Root hairs are found within the

Accepted Answer

A)   zone of maturation only.
B)   zone of maturation and zone of elongation.
C)   zone of cell division, zone of elongation, and zone of maturation.
D)   root cap only.
E)   root cap and zone of cell division.F) A) and C)
G) C) and E)

Question 10

Root branching occurs from the _____,while root elongation occurs from the ______.

Accepted Answer

A)   lateral meristem; root meristem
B)   apical meristem; root cap
C)   pericycle; apical meristem
D)   apical meristem; pericycle
E)   pericycle; root capF) B) and E)
G) A) and D)

Question 11

Which type of ground tissue makes the pant cell tough and hard due to secondary walls composed of lignin?

Accepted Answer

A)   Sclerenchyma
B)   Parenchyma
C)   Collenchyma
D)   Xylem
E)   CambiumF) B) and D)
G) None of the above

Question 12

Which group of ground tissue cells will help carry out photosynthesis?

Accepted Answer

A)   parenchyma cells
B)   collenchyma cells
C)   sclerenchyma cells
D)   xylem
E)   phloemF) D) and E)
G) A) and E)

Question 13

The bark of a tree is entirely derived from vascular cambium.

Accepted Answer

A) True 
 B)False

Question 14

Root hairs are composed of which of the following types of tissue?

Accepted Answer

A)   sclerenchyma
B)   parenchyma
C)   collenchyma
D)   vascular cambium
E)   epidermalF) C) and D)
G) B) and E)

Question 15

Refer to the figure shown here.Branching of roots occurs from structure _____,while root hairs develop from structure ______.

Accepted Answer

A)   1; 2
B)   6; 2
C)   2; 6
D)   2; 1
E)   3; 4F) C) and E)
G) None of the above

Question 16

Which zone of the eudicot root tip is formed from the division of the apical meristem cells?

Accepted Answer

A)   zone of maturation
B)   zone of elongation
C)   zone of cell division
D)   root cap
E)   epidermisF) A) and E)
G) B) and E)

Question 17

Which of the following correctly describes a major difference between monocot and eudicot plants?

Accepted Answer

A)   Xylem and phloem occur in a ring in a eudicot stem, while phloem occur between arms of xylem in a monocot stem.
B)   Xylem and phloem occur in a ring in a monocot root, while phloem occur between arms of xylem in a eudicot root.
C)   Xylem and phloem occur in a ring in a eudicot root, while phloem occur between arms of xylem in a monocot root.
D)   Xylem and phloem occur in a ring in a monocot stem, while phloem occur between arms of xylem in a eudicot stem.
E)   Xylem and phloem occur in a ring in a monocot stem, while xylem and phloem occur in scattered bundles in a eudicot stem.F) B) and D)
G) B) and E)

Question 18

Which layer is the central most layer in a woody stem?

Accepted Answer

A)   bark
B)   pith
C)   wood
D)   secondary xylem
E)   phloemF) All of the above
G) A) and D)

Question 19

Summer wood can be distinguished from spring wood because summer wood

Accepted Answer

A)   contains wide vessels with thin walls, and is lighter than spring wood.
B)   is impregnated with suberin, whereas spring wood is not.
C)   contains thick-walled tracheids that give it strength, and is more dense than spring wood.
D)   contains only thin-walled xylem, and is lighter than spring wood.
E)   is produced during the summer when moisture is plentiful, and contains only heavy fibers and thick-walled tracheids.F) B) and E)
G) B) and D)

Question 20

Which feature best describes the vascular bundles of a nonwoody monocot stem?

Accepted Answer

A)   The vascular bundles are scattered.
B)   The vascular bundles are arranged in a ring.
C)   There are no vascular bundles in a nonwoody monocot stem.
D)   The vascular bundles are arranged in parallel lines.
E)   The vascular bundles are arranged in squares.F) A) and D)
G) B) and E)

Exam 20: Plant Anatomy and Growth

Root hairs are composed of which of the following types of tissue?

Correct AnswerverifiedShow Answer

Which type of ground tissue makes the pant cell tough and hard due to secondary walls composed of lignin?

Correct AnswerverifiedShow Answer

Refer to the figure shown here.Branching of roots occurs from structure _____,while root hairs develop from structure ______.

Correct AnswerverifiedShow Answer

What advantages do root hairs give to a plant?

Correct AnswerverifiedShow Answer

The bark of a tree is entirely derived from vascular cambium.

Correct AnswerverifiedShow Answer

Summer wood can be distinguished from spring wood because summer wood

Correct AnswerverifiedShow Answer

Herbaceous eudicot stems differ from woody stems because herbaceous eudicot stems

Correct AnswerverifiedShow Answer

Which plant tissue type transports water and nutrients throughout the plant?

Correct AnswerverifiedShow Answer

Which of the following correctly describes a major difference between monocot and eudicot plants?

Correct AnswerverifiedShow Answer

___________ enters a leaf through leaf veins,and _________ exits a leaf through leaf veins.

Correct AnswerverifiedShow Answer

Root branching occurs from the _____,while root elongation occurs from the ______.

Correct AnswerverifiedShow Answer

Which plant structure will open and close in response to turgor pressure,helping to regulate transpiration?

Correct AnswerverifiedShow Answer

Which feature best describes the vascular bundles of a nonwoody monocot stem?

Correct AnswerverifiedShow Answer

Which group of ground tissue cells will help carry out photosynthesis?

Correct AnswerverifiedShow Answer

Which zone of the eudicot root tip is formed from the division of the apical meristem cells?

Correct AnswerverifiedShow Answer

A leaf is compound when it lacks a petiole and possesses a blade that is divided into leaflets.

Correct AnswerverifiedShow Answer

Root hairs are found within the

Correct AnswerverifiedShow Answer

In the pressure-flow model,what two phenomena starts the flow of phloem contents?

Correct AnswerverifiedShow Answer

Transport in xylem is typically upward,while transport in phloem can be in any direction depending on where the sink is located.

Correct AnswerverifiedShow Answer

Which layer is the central most layer in a woody stem?

Correct AnswerverifiedShow Answer

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Refer to the figure shown here.Branching of roots occurs from structure _,while root hairs develop from structure __.

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___ enters a leaf through leaf veins,and _ exits a leaf through leaf veins.

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Root branching occurs from the _,while root elongation occurs from the __.

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