Question 1

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)   3; 6
D)   2; 1
E)   3; 4F) C) and D)
G) All of the above

Question 2

Which feature best describes the appearance of 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) B) and C)
G) A) and C) A

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

Stomata are derived from

Accepted Answer

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

Question 5

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

Accepted Answer

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

Question 6

The bark of a tree is entirely derived from vascular cambium.

Accepted Answer

A) True 
 B)False

Question 7

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 plantF) C) and D)
G) A) and E)

Question 8

Herbaceous eudicot stems differ from woody stems because herbaceous eudicot stems

Accepted Answer

A)   do not contain cork cambium.
B)   lack an organized pith.
C)   initiate branching from the cortex, rather than from the cork cambium.
D)   do not contain distinct vascular bundles.
E)   contain scattered vascular bundles rather than containing vascular bundles in a ring.F) A) and D)
G) B) and C)

Question 9

_____ 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) All of the above

Question 10

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

Question 11

What two properties of water are critical in moving water through xylem?

Accepted Answer

A)   polarity and neutral pH
B)   cohesion and adhesion
C)   density as a solid and low molecular weight
D)   adhesion and density as a solid
E)   low molecular weight and cohesionF) A) and E)
G) A) and D)

Question 12

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 13

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 B)

Question 14

Which of the following cell types are 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 E)
G) A) and D)

Question 15

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

Accepted Answer

A)   nitrogen
B)   sulfur
C)   calcium
D)   phosphate
E)   hydrogenF) None of the above
G) A) and B) A

Question 16

Which layer of bark is the most superficial?

Accepted Answer

A)   vascular cambium
B)   phloem
C)   cortex
D)   cork cambium
E)   corkF) B) and D)
G) A) and B)

Question 17

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

Question 18

Which feature determines whether or not a nutrient is a macronutrient or a micronutrient?

Accepted Answer

A)   The concentration of the nutrient in the plant tissue.
B)   The concentration of the nutrient in the soil.
C)   The molecular size of the nutrient.
D)   The availability of the nutrient in the environment.
E)   The time of the year that the nutrient becomes available to the plant.F) C) and D)
G) A) and B)

Question 19

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 C)
G) A) and D)

Question 20

What is a plant's typical response to water stress?

Accepted Answer

A)   The stomata will close.
B)   The plasmodesmata 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) All of the above
G) None of the above A

Exam 20: Plant Anatomy and Growth

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

Stomata are derived from

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The bark of a tree is entirely derived from vascular cambium.

Correct AnswerverifiedShow Answer

Which root adaptation enables plants to access atmospheric nitrogen?

Correct AnswerverifiedShow Answer

Herbaceous eudicot stems differ from woody stems because herbaceous eudicot stems

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What two properties of water are critical in moving water through xylem?

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

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

Which layer of bark is the most superficial?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which feature determines whether or not a nutrient is a macronutrient or a micronutrient?

Correct AnswerverifiedShow Answer

Which of the following is not a function of stems?

Correct AnswerverifiedShow Answer

What is a plant's typical response to water stress?

Correct AnswerverifiedA

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

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

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