Question 1

Which of the following occurs only in the roots?

Accepted Answer

A)   photosynthesis
B)   water storage
C)   food storage
D)   nitrogen fixation
E)   attachment and supportF) A) and B)
G) A) and C)

Question 2

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

Question 3

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

Question 4

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

Question 5

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 C)
G) A) and B) B

Question 6

Which of the following is part of the root system?

Accepted Answer

A)   pericycle
B)   terminal bud
C)   stomata
D)   flower
E)   lateral budF) A) and E)
G) A) and C)

Question 7

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

Question 8

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

Question 9

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

Question 10

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

Question 11

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

Accepted Answer

A)   sugar is actively transported into sieve tubes and water follows by osmosis
B)   water leaves the sieve tubes by osmosis, after which sugar is actively transported into the sieve tubes
C)   water is actively transported into sieve tubes, and then sugar enters by osmosis
D)   both water and sugar are actively transported into the sieve tubes
E)   sugar is actively transported into companion cells and water follows by osmosisF) B) and E)
G) B) and D)

Question 12

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

Accepted Answer

A)   xylem
B)   phloem
C)   sieve tube members
D)   parenchyma cells
E)   collenchyma cellsF) B) and E)
G) B) and D)

Question 13

Root hairs are composed of which of the following types of tissue?

Accepted Answer

A)   sclerenchyma
B)   parenchyma
C)   collenchyma
D)   vascular cambium
E)   epidermalF) A) and D)
G) B) and D)

Question 14

In the trunk of a tree, the epidermis is replaced by _____ that is produced by the _____.

Accepted Answer

A)   cork cells; cork cambium
B)   epidermal; vascular cambium
C)   cuticle; vascular cambium
D)   wood; cork cambium
E)   sclerenchyma; cork cambiumF) A) and B)
G) A) and D)

Question 15

Plants are capable of directly absorbing nitrogen from the atmosphere.

Accepted Answer

A) True 
 B)False

Question 16

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 C)
G) A) and B)

Question 17

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 18

What is the main reason that farmers practice crop rotation?

Accepted Answer

A)   Crop rotation will help replenish the soil's supply of nitrogen.
B)   Crop rotation will help replenish the soil's supply of hydrogen.
C)   Rotation of crops allows for an increased chance of profit.
D)   Government regulations require farmers to rotate crops every year.
E)   Crop rotation will help replenish the soil's supply of carbon.F) A) and B)
G) B) and C)

Question 19

Vessel elements are to xylem as _____ are to phloem.

Accepted Answer

A)   tracheids
B)   sclerenchyma
C)   sieve-tube members
D)   companion cells
E)   sieve platesF) B) and E)
G) A) and B)

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 20: Plant Anatomy and Growth

Which of the following occurs only in the roots?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In contrast to a simple leaf, a compound leaf

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedB

Which of the following is part of the root system?

Correct AnswerverifiedShow Answer

Root hairs are found within the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Removing bark from a tree means that _____ are removed.

Correct AnswerverifiedA

Herbaceous eudicot stems differ from woody stems because herbaceous eudicot stems

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Root hairs are composed of which of the following types of tissue?

Correct AnswerverifiedShow Answer

In the trunk of a tree, the epidermis is replaced by _____ that is produced by the _____.

Correct AnswerverifiedShow Answer

Plants are capable of directly absorbing nitrogen from the atmosphere.

Correct AnswerverifiedShow Answer

Summer wood can be distinguished from spring wood because summer wood

Correct AnswerverifiedShow Answer

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

What is the main reason that farmers practice crop rotation?

Correct AnswerverifiedShow Answer

Vessel elements are to xylem as _____ are to phloem.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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A

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A

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In the trunk of a tree, the epidermis is replaced by _ that is produced by the _.

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