Question 1

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 E)
G) C) and D)

Question 2

What is the plant's response to water stress?

Accepted Answer

A)   The stomata will close.
B)   The stoma will close.
C)   Water will enter the guard cells causing them to swell.
D)   Turgor pressure will increase.
E)   The plant will increase the rate of photosynthesis.F) A) and E)
G) A) and C)

Question 3

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

Question 4

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

Question 5

Which root adaptation enables plants to access atmospheric nitrogen?

Accepted Answer

A)   Root nodules that are colonized by bacteria.
B)   A mutualistic relationship with fungi.
C)   Stomata that allow the diffusion of nitrogen through the epidermis of the leaf.
D)   Thin cell membranes that are porous enough to allow for the diffusion of nitrogen into the root system.
E)   Bacteria that live within the leaves of the plants that absorb nitrogen and make it available for the plant.F) B) and D)
G) A) and B)

Question 6

Eudicot roots may experience secondary growth.

Accepted Answer

A) True 
 B)False

Question 7

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 8

Plants are capable of directly absorbing nitrogen from the atmosphere.

Accepted Answer

A) True 
 B)False

Question 9

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

Question 10

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

Question 11

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 B)
G) All of the above

Question 12

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

Question 13

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

Question 14

Indicate,in the correct order,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) C) and E)
G) D) and E)

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

Question 17

Primary growth occurs from the

Accepted Answer

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

Question 18

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

Accepted Answer

A)   Epidermal
B)   Vascular
C)   Ground
D)   Xylem
E)   ParenchymaF) C) and E)
G) B) and E)

Question 19

Which type of vascular tissue will contain vessel elements in order to transport water and minerals?

Accepted Answer

A)   Xylem
B)   Phloem
C)   Tracheids
D)   Parenchyma cells
E)   Collenchyma cellsF) A) and B)
G) B) and E)

Question 20

Which nutrient tends to become depleted due to traditional farming practices?

Accepted Answer

A)   nitrogen
B)   sulfur
C)   calcium
D)   phosphate
E)   hydrogenF) All of the above
G) A) and B)

Exam 20: Plant Anatomy and Growth

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

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

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which nutrient tends to become depleted due to traditional farming practices?

Correct AnswerverifiedShow Answer

Plants are capable of directly absorbing nitrogen from the atmosphere.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Eudicot roots may experience secondary growth.

Correct AnswerverifiedShow Answer

Which type of vascular tissue will contain vessel elements in order to transport water and minerals?

Correct AnswerverifiedShow Answer

Which root adaptation enables plants to access atmospheric nitrogen?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In contrast to a simple leaf,a compound leaf

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Primary growth occurs from the

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

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

Correct AnswerverifiedShow Answer

What is the plant's response to water stress?

Correct AnswerverifiedShow Answer

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