Question 1

Stomata are derived from

Accepted Answer

A)   parenchyma.
B)   epidermis.
C)   vascular cambium.
D)   collenchyma.
E)   sclerenchyma.F) C) and D)
G) A) and D)

Question 2

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

Question 3

Which of the following is an incorrect match between a root structure and its function?

Accepted Answer

A)   endodermis - regulates mineral entrance into vascular tissues
B)   epidermis - forms root hairs for absorption
C)   pericycle - contains starch granules
D)   cortex - food storage
E)   pith - food storageF) B) and E)
G) A) and E)

Question 4

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) C) and D)

Question 5

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

Question 6

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 7

A monocot root differs from a eudicot root because a monocot root

Accepted Answer

A)   lacks an organized pith.
B)   contains xylem and phloem organized in ring around the pith.
C)   does not contain pericycle.
D)   lacks a functional endodermis.
E)   contains a cortex that is inside of the endoderm.F) A) and D)
G) C) and D)

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

Figure: 
-Refer to the figure shown here. Which structure(s)  of a eudicot root is/are responsible for regulating the entry of minerals into the xylem?

Accepted Answer

A)   1
B)   1 and 6
C)   6
D)   2 and 3
E)   2F) D) and E)
G) All of the above

Question 10

Plants are capable of directly absorbing nitrogen from the atmosphere.

Accepted Answer

A) True 
 B)False

Question 11

Which layer of bark is the most superficial?

Accepted Answer

A)   vascular cambium
B)   phloem
C)   cortex
D)   cork cambium
E)   corkF) All of the above
G) B) and E)

Question 12

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

Question 13

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

Question 14

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

Question 15

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

Question 16

Figure: 
-In the figure shown here, water evaporates from structure _____ and exits the leaf through structure _____.

Accepted Answer

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

Question 17

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) A) and B)
G) All of the above

Question 18

Eudicot roots may experience secondary growth.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following cell types would be most likely to be involved in the long-term storage of food for a plant?

Accepted Answer

A)   mesophyll
B)   parenchyma
C)   collenchyma
D)   sclerenchyma
E)   epidermisF) B) and C)
G) A) and E)

Question 20

Removing bark from a tree means that ________ are removed.

Accepted Answer

A)   phloem, cortex, cork cambium, and cork
B)   vascular cambium, phloem, cork cambium, and cork
C)   xylem, vascular cambium, and phloem
D)   cortex, cork cambium, and cork
E)   vascular cambium, cortex, cork cambium, and xylemF) A) and E)
G) D) and E)

Exam 20: Plant Anatomy and Growth

Stomata are derived from

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 of the following is an incorrect match between a root structure and its function?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

A monocot root differs from a eudicot root because a monocot root

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Figure: -Refer to the figure shown here. Which structure(s) of a eudicot root is/are responsible for regulating the entry of minerals into the xylem?

Correct AnswerverifiedShow Answer

Plants are capable of directly absorbing nitrogen from the atmosphere.

Correct AnswerverifiedShow Answer

Which layer of bark is the most superficial?

Correct AnswerverifiedShow Answer

Root hairs are found within the

Correct AnswerverifiedShow Answer

Summer wood can be distinguished from spring wood because summer wood

Correct AnswerverifiedC

Mineral transport in plants occurs

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedD

Figure: -In the figure shown here, water evaporates from structure _____ and exits the leaf through structure _____.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Eudicot roots may experience secondary growth.

Correct AnswerverifiedShow Answer

Which of the following cell types would be most likely to be involved in the long-term storage of food for a plant?

Correct AnswerverifiedShow Answer

Removing bark from a tree means that ________ are removed.

Correct AnswerverifiedShow Answer

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

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C

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C

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D

Figure: -In the figure shown here, water evaporates from structure _ and exits the leaf through structure _.

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

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