Question 1

Vessel elements are to xylem as _____ are to phloem.

Accepted Answer

A)   tracheids
B)   sclerenchyma
C)   sieve-tube members
D)   companion cells
E)   sieve platesF) A) and D)
G) C) and D)

Question 2

___________ 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) D) and E)
G) All of the above

Question 3

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) None of the above
G) A) and C)

Question 4

If you remove all of the terminal buds from a plant, what is the most likely outcome?

Accepted Answer

A)   Branching would occur, but no further primary growth would occur.
B)   All of the plant's leaves would die.
C)   The plant would not be affected.
D)   Branching would occur from the roots.
E)   Additional stems would develop.F) B) and C)
G) C) and D)

Question 5

Which of the following structures is not a part of the epidermis of a leaf?

Accepted Answer

A)   cuticle
B)   spongy mesophyll
C)   stoma
D)   guard cells
E)   leaf hairsF) A) and D)
G) C) and D)

Question 6

____ and _____ are micronutrients in plants, while ____ and ____ are macronutrients.

Accepted Answer

A)   Mn; Zn; N; O
B)   Mn; O; Zn; C
C)   Cu; K; O; H
D)   Cu; K; B; Mn
E)   Mn; Zn; B; NF) D) and E)
G) B) and E)

Question 7

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

Accepted Answer

A)   bark
B)   pith
C)   wood
D)   secondary xylem
E)   phloemF) B) and E)
G) B) and D)

Question 8

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 9

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

Accepted Answer

A)   The leaves of monocot plants have leaf veins that form a net-like pattern, while the leaves of eudicot plants have parallel leaf veins.
B)   Monocot leaves have leaf veins that form a net-like pattern, and their flower parts occur in multiples of 3; eudicot leaves have parallel leaf veins, and their flower parts occur in multiples of 4 or 5.
C)   Monocot leaves have parallel leaf veins, and their flower parts occur in multiples of 4 or 5; eudicot leaves have leaf veins that form a net-like pattern, and their flower parts occur in multiples of 3.
D)   Monocot flower parts occur in multiples of 4 or 5, while eudicot flower parts occur in multiples of 3.
E)   Monocot leaves have parallel leaf veins, while the leaf veins of a eudicot plant form a net-like pattern.F) B) and D)
G) All of the above

Question 10

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

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

Question 11

Which of the following is not part of the shoot system?

Accepted Answer

A)   pericycle
B)   terminal bud
C)   stomata
D)   flower
E)   lateral budF) C) and D)
G) B) and E)

Question 12

Figure: 
-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) B) and D)
G) A) and C)

Question 13

Mineral transport in plants occurs

Accepted Answer

A) True 
 B)False

Question 14

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) A) and E)
G) A) and D)

Question 15

In the pressure-flow model, the movement of nutrients through phloem is initiated when water moves from sieve tube members into companion cells by osmosis, causing sugar in surrounding cells to be transported into sieve tube members.

Accepted Answer

A) True 
 B)False

Question 16

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 C)
G) B) and E)

Question 17

Which of the following is not a typical function of the root system?

Accepted Answer

A)   anchorage
B)   absorption of nitrates
C)   absorption of water
D)   absorption of carbon dioxide
E)   absorption of mineralsF) B) and C)
G) A) and E)

Question 18

Compare and contrast the structure of a simple leaf with that of a compound leaf.

Accepted Answer

A)   	has a blade that is divided into leaflets. 
B)   	contains leaflets with individual lateral buds. 
C)   	lacks a petiole. 
D)   	occurs only near the terminal bud. 
E)   	occurs only between internodes. F) All of the above
G) D) and E)

Question 19

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 B)
G) B) and E)

Question 20

Which of the following is not a function of stems?

Accepted Answer

A)   photosynthesis
B)   water storage
C)   food storage
D)   nitrogen fixation
E)   attachment and supportF) A) and B)
G) B) and E)

Exam 20: Plant Anatomy and Growth

Mineral transport in plants occurs

Correct AnswerverifiedShow Answer

Which of the following is not a typical function of the root system?

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

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

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

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What advantages do root hairs give to a plant?

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

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Which of the following structures is not a part of the epidermis of a leaf?

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

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____ and _____ are micronutrients in plants, while ____ and ____ are macronutrients.

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Which of the following is not part of the shoot system?

Correct AnswerverifiedShow Answer

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

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

Vessel elements are to xylem as _____ are to phloem.

Correct AnswerverifiedShow Answer

Which of the following is not a function of stems?

Correct AnswerverifiedShow Answer

Compare and contrast the structure of a simple leaf with that of a compound leaf.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In the pressure-flow model, the movement of nutrients through phloem is initiated when water moves from sieve tube members into companion cells by osmosis, causing sugar in surrounding cells to be transported into sieve tube members.

Correct AnswerverifiedShow Answer

If you remove all of the terminal buds from a plant, what is the most likely outcome?

Correct AnswerverifiedShow Answer

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

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__ and _ are micronutrients in plants, while and __ are macronutrients.

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

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