Question 1

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 2

Photosynthesis primarily occurs in which tissues of the leaf shown here?

Accepted Answer

A)   1 and 5
B)   2 and 3
C)   1, 2, and 3
D)   2 and 4
E)   3, 4, and 5F) B) and D)
G) A) and C)

Question 3

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

Question 4

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 C)
G) None of the above

Question 5

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) All of the above

Question 6

Mineral transport in plants occurs

Accepted Answer

A)   through xylem tissue when sugars are present.
B)   through both xylem and phloem tissue.
C)   due to osmosis of water out of tracheids.
D)   through xylem tissue as the water column is pulled upward.
E)   continuously through phloem in both directions.F) C) and D)
G) A) and B)

Question 7

In contrast to a simple leaf, 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) B) and E)
G) A) and E)

Question 8

Which plant tissue type forms a protective covering of the plant?

Accepted Answer

A)   epidermal
B)   vascular
C)   ground
D)   xylem
E)   parenchymaF) B) and E)
G) C) and E)

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

Question 10

Cohesion and adhesion of water molecules produces a force sufficient to move water from the roots to the shoot tip of a plant.

Accepted Answer

A) True 
 B)False

Question 11

Which plant tissue type helps carry out the function of a particular plant organ?

Accepted Answer

A)   ground
B)   epidermis
C)   vascular
D)   xylem
E)   trichomesF) C) and E)
G) B) and D)

Question 12

In the correct order, indicate the structures of a leaf that water encounters as it enters and exits a leaf.

Accepted Answer

A)   cuticle, epidermis, mesophyll, xylem of leaf vein
B)   xylem of leaf vein, stomata, mesophyll
C)   epidermis, stomata, xylem of leaf vein
D)   xylem of leaf vein, mesophyll, stomata
E)   xylem of leaf vein, stomata, mesophyll, phloem of leaf veinF) B) and D)
G) None of the above

Question 13

Which of the following statements regarding the organization of vascular tissue in roots is true?

Accepted Answer

A)   In eudicot roots, xylem and phloem bundles occur in a ring surrounding the pith.
B)   In eudicot roots, phloem form a star shape in the center, with xylem occurring between arms of phloem.
C)   In monocot roots, vascular bundles are found only within the zone of cell division.
D)   In both monocot and eudicot roots, phloem are found outside the endodermis, and xylem within the endodermis.
E)   In monocot roots, xylem and phloem bundles alternate in a ring surrounding the pith.F) A) and B)
G) A) and C)

Question 14

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) B) and D)
G) A) and C)

Question 15

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) A) and D)
G) C) and D)

Question 16

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) D) and E)
G) C) and E)

Question 17

Eudicot roots may experience secondary growth.

Accepted Answer

A) True 
 B)False

Question 18

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 D)
G) None of the above

Question 19

In which part of the plant will primary growth occur?

Accepted Answer

A)   apical meristem
B)   internode
C)   xylem
D)   sclerenchyma
E)   parenchymaF) B) and C)
G) D) and E)

Question 20

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) B) and C)
G) A) and E)

Exam 20: Plant Anatomy and Growth

Root hairs are found within the

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In which part of the plant will primary growth occur?

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

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Summer wood can be distinguished from spring wood because summer wood

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

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Which plant tissue type forms a protective covering of the plant?

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In contrast to a simple leaf, a compound leaf

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Which plant tissue type helps carry out the function of a particular plant organ?

Correct AnswerverifiedShow Answer

What advantages do root hairs give to a plant?

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Mineral transport in plants occurs

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In the correct order, indicate the structures of a leaf that water encounters as it enters and exits a leaf.

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Eudicot roots may experience secondary growth.

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

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

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

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Which of the following statements regarding the organization of vascular tissue in roots is true?

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Cohesion and adhesion of water molecules produces a force sufficient to move water from the roots to the shoot tip of a plant.

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

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

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Photosynthesis primarily occurs in which tissues of the leaf shown here?

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

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