Question 1

What is the correct order of root zones starting with the root tip and moving upward?

Accepted Answer

A)   cell division - elongation - maturation
B)   elongation - cell division - maturation
C)   maturation - elongation - cell division
D)   cell division - maturation - elongation
E)   cell division - root cap - elongationF) A) and C)
G) C) and D)

Question 2

Transport in xylem is typically upward, while transport in phloem can be in any direction in the plant.

Accepted Answer

A) True 
 B)False

Question 3

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 C)
G) B) and E)

Question 4

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 5

A leaf is considered to be compound when it possesses a only one single blade.

Accepted Answer

A) True 
 B)False

Question 6

Which type of ground tissue makes the plant 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 C)
G) A) and B)

Question 7

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

Accepted Answer

A)   Branching would occur, and the plant would become bushier as all new growth would originate from the lateral buds.
B)   All of the plant's leaves would die and photosynthesis would cease.
C)   The plant would continue to grow taller but would be unable to produce lateral growth.
D)   There would be more root growth which would allow for a greater nutrient uptake.
E)   Additional stems would develop and grow upward.F) None of the above
G) B) and D)

Question 8

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 D)

Question 9

Secondary growth occurs in plants which have a(n)

Accepted Answer

A)   tracheid.
B)   pericycle.
C)   apical meristem.
D)   vascular cambium.
E)   cortex.F) B) and D)
G) All of the above

Question 10

Which plant system will consist of the terminal bud, blade, petiole, and node?

Accepted Answer

A)   shoot system
B)   root system
C)   vascular system
D)   epidermal tissue
E)   ground tissueF) C) and E)
G) None of the above

Question 11

In your garden, you observe a single pea plant that is much smaller and not growing well, despite being surrounded by other normal plants. You dig it up to discover that it has a weak, shallow root system. You suspect that the plant may be lacking

Accepted Answer

A)   a micronutrient.
B)   mycorrhizal fungi.
C)   oxygen.
D)   carbon.
E)   hydrogen.F) A) and D)
G) A) and B)

Question 12

Water must first pass through the endodermis of a root before it can enter xylem vessels.

Accepted Answer

A) True 
 B)False

Question 13

When water enters guard cells, turgor pressure _____ and the stomata _____.

Accepted Answer

A)   increases; open
B)   decreases; open
C)   increases; close
D)   decreases; close
E)   does not change; closeF) C) and D)
G) B) and D)

Question 14

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 E)
G) C) and D)

Question 15

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

Question 16

Stomata are found on the

Accepted Answer

A)   roots.
B)   epidermis.
C)   stems only.
D)   roots and leaves.
E)   cork cells.F) B) and C)
G) A) and D)

Question 17

Micronutrients that are needed by plants as enzyme cofactors are also needed by humans for the same reason.

Accepted Answer

A) True 
 B)False

Question 18

Primary growth occurs from the

Accepted Answer

A)   pericycle.
B)   nodes.
C)   axils.
D)   terminal bud.
E)   root hairs.F) B) and D)
G) A) and E)

Question 19

Which layer of the woody stem is composed of spring wood and summer wood?

Accepted Answer

A)   phloem
B)   pith
C)   cortex
D)   annual ring
E)   barkF) A) and E)
G) B) and E)

Question 20

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) C) and E)

Exam 20: Plant Anatomy and Growth

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

Correct AnswerverifiedShow Answer

Micronutrients that are needed by plants as enzyme cofactors are also needed by humans for the same reason.

Correct AnswerverifiedShow Answer

Primary growth occurs from the

Correct AnswerverifiedShow Answer

In your garden, you observe a single pea plant that is much smaller and not growing well, despite being surrounded by other normal plants. You dig it up to discover that it has a weak, shallow root system. You suspect that the plant may be lacking

Correct AnswerverifiedShow Answer

Which layer of the woody stem is composed of spring wood and summer wood?

Correct AnswerverifiedShow Answer

Water must first pass through the endodermis of a root before it can enter xylem vessels.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Mineral transport in plants occurs

Correct AnswerverifiedShow Answer

Which plant system will consist of the terminal bud, blade, petiole, and node?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What advantages do root hairs give to a plant?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

When water enters guard cells, turgor pressure _____ and the stomata _____.

Correct AnswerverifiedShow Answer

Transport in xylem is typically upward, while transport in phloem can be in any direction in the plant.

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

What is the correct order of root zones starting with the root tip and moving upward?

Correct AnswerverifiedShow Answer

Stomata are found on the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Secondary growth occurs in plants which have a(n)

Correct AnswerverifiedShow Answer

A leaf is considered to be compound when it possesses a only one single blade.

Correct AnswerverifiedShow Answer

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

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When water enters guard cells, turgor pressure _ and the stomata _.

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