Question 1

Palisade mesophyll is a tissue typically found on the side of the leaf toward the upper epidermis.

Accepted Answer

A) True 
 B)False

Question 2

Leaf abscission is initiated and orchestrated by changing levels of the plant hormone __________.

Accepted Answer

A)  ethylene 
B)  cytokinin 
C)  auxin 
D)  abscisic acid 
E)  gibberellin 
A)  ethylene 
B)  cytokinin 
C)  auxin 
D)  abscisic acid 
E)  gibberellin

Question 3

The only epidermal cells with chloroplasts are:

Accepted Answer

A)  stomata. 
B)  stoma. 
C)  parenchyma. 
D)  guard cells. 
E)  all of these. 
A)  stomata. 
B)  stoma. 
C)  parenchyma. 
D)  guard cells. 
E)  all of these.

Question 4

Figure 34-1
Use the figure to answer the corresponding question(s).  
-The type of leaf arrangement in Figure 34-1 is characteristic of:

Accepted Answer

A)  ashes. 
B)  maples. 
C)  catalpas. 
D)  beeches. 
E)  buckeyes. 
A)  ashes. 
B)  maples. 
C)  catalpas. 
D)  beeches. 
E)  buckeyes.

Question 5

Stomata close as a result of water moving into guard cells.
____________________

Accepted Answer

A) True 
 B)False

Question 6

Figure 34-1
Use the figure to answer the corresponding question(s).  
-Which of the following statements does not describe the leaf epidermis?

Accepted Answer

A)  The cells all contain chloroplasts and photosynthesize. 
B)  Some of the cells are modified to form trichomes. 
C)  The cells are covered by a waxy cuticle. 
D)  The cells are relatively transparent. 
E)  It contains stomata, each of which is flanked by two guard cells. 
A)  The cells all contain chloroplasts and photosynthesize. 
B)  Some of the cells are modified to form trichomes. 
C)  The cells are covered by a waxy cuticle. 
D)  The cells are relatively transparent. 
E)  It contains stomata, each of which is flanked by two guard cells.

Question 7

Opening of the stomata:

Accepted Answer

A)  occurs during prolonged periods of drought. 
B)  occurs when there is a high concentration of carbon dioxide in the leaf. 
C)  is under hormonal control. 
D)  is triggered by darkness. 
E)  is controlled by the changes in shape of the companion cells. 
A)  occurs during prolonged periods of drought. 
B)  occurs when there is a high concentration of carbon dioxide in the leaf. 
C)  is under hormonal control. 
D)  is triggered by darkness. 
E)  is controlled by the changes in shape of the companion cells.

Question 8

__________ is responsible for water movement in plants.

Accepted Answer

A)  Guttatiion 
B)  Evaporation 
C)  Transpiration 
D)  Photosynthesis 
E)  Cellular respiration 
A)  Guttatiion 
B)  Evaporation 
C)  Transpiration 
D)  Photosynthesis 
E)  Cellular respiration

Question 9

Which of the following is not true of monocot leaves?

Accepted Answer

A)  Many monocots have a distinct palisade layer. 
B)  Many monocots lack a petiole. 
C)  Many monocots lack a distinct spongy layer. 
D)  Many monocot leaves are narrow. 
E)  Many monocot leaves wrap around the stem forming a sheath. 
A)  Many monocots have a distinct palisade layer. 
B)  Many monocots lack a petiole. 
C)  Many monocots lack a distinct spongy layer. 
D)  Many monocot leaves are narrow. 
E)  Many monocot leaves wrap around the stem forming a sheath.

Question 10

Floating leaves of aquatic plants have:

Accepted Answer

A)  stomata only on the lower epidermis. 
B)  stomata only on the upper epidermis. 
C)  stomata on both the lower and upper epidermis. 
D)  no stomata on the epidermis. 
E)  stomata only within the mesophyll. 
A)  stomata only on the lower epidermis. 
B)  stomata only on the upper epidermis. 
C)  stomata on both the lower and upper epidermis. 
D)  no stomata on the epidermis. 
E)  stomata only within the mesophyll.

Question 11

MATCHING
Indicate whether each of the following characteristics is generally found in monocots or in eudicots.
a.monocots
b.eudicots
-exhibit parallel venation

Accepted Answer

The answer of MATCHING
Indicate whether each of the following characteristics...

Question 12

Transpiration:

Accepted Answer

A)  declines in areas where forests have been cleared. 
B)  is a relatively minor component of the global hydrological cycle. 
C)  is a synonym for precipitation. 
D)  is significant to climate issues, but only in relationship to tropical rainforests. 
E)  does not occur in India due to the local geographic conditions and extent of ocean surface. 
A)  declines in areas where forests have been cleared. 
B)  is a relatively minor component of the global hydrological cycle. 
C)  is a synonym for precipitation. 
D)  is significant to climate issues, but only in relationship to tropical rainforests. 
E)  does not occur in India due to the local geographic conditions and extent of ocean surface.

Question 13

MATCHING
Indicate whether each of the following characteristics is generally found in monocots or in eudicots.
a.monocots
b.eudicots
-Explain how the structure of a leaf contributes to the function of photosynthesis.

Accepted Answer

Concepts to Consider: Epidermis--transpa

Question 14

MATCHING
Indicate whether each of the following characteristics is generally found in monocots or in eudicots.
a.monocots
b.eudicots
-exhibit pinnately netted venation

Accepted Answer

The answer of MATCHING
Indicate whether each of the following characteristics...

Question 15

Guard cells are often associated with __________, special epidermal cells that provide a reservoir of water and ions.

Accepted Answer

A)  companion cells 
B)  cuticle cells 
C)  cork cells 
D)  sclerenchyma cells 
E)  subsidiary cells 
A)  companion cells 
B)  cuticle cells 
C)  cork cells 
D)  sclerenchyma cells 
E)  subsidiary cells

Question 16

MATCHING
Indicate whether each of the following characteristics is generally found in monocots or in eudicots.
a.monocots
b.eudicots
-leaf forms a sheath at the leaf base

Accepted Answer

The answer of MATCHING
Indicate whether each of the following characteristics...

Question 17

A cross section of a monocot leaf typically shows veins in both cross-section and lengthwise section.
____________________

Accepted Answer

A) True 
 B)False

Question 18

Photosynthesis occurs chiefly in the leaf's:

Accepted Answer

A)  epidermis. 
B)  bundle sheath extensions. 
C)  mesophyll. 
D)  trichomes. 
E)  vascular bundles. 
A)  epidermis. 
B)  bundle sheath extensions. 
C)  mesophyll. 
D)  trichomes. 
E)  vascular bundles.

Question 19

Which of the following is most important in stomatal closing?

Accepted Answer

A)  declining sucrose concentrations 
B)  rising sucrose concentrations 
C)  rising potassium concentrations 
D)  declining potassium concentrations 
E)  declining chloride concentrations 
A)  declining sucrose concentrations 
B)  rising sucrose concentrations 
C)  rising potassium concentrations 
D)  declining potassium concentrations 
E)  declining chloride concentrations

Question 20

Figure 34-2
Use the figure to answer the corresponding question(s).  
-Refer to Figure 34-2.The structure labeled __________ is responsible for the transport of dissolved sugars.

Accepted Answer

A)  4 
B)  5 
C)  6 
D)  7 
E)  9 
A)  4 
B)  5 
C)  6 
D)  7 
E)  9

Exam 34: Leaf Structure and Function

Palisade mesophyll is a tissue typically found on the side of the leaf toward the upper epidermis.

Leaf abscission is initiated and orchestrated by changing levels of the plant hormone __________.

The only epidermal cells with chloroplasts are:

Figure 34-1 Use the figure to answer the corresponding question(s). -The type of leaf arrangement in Figure 34-1 is characteristic of:

Stomata close as a result of water moving into guard cells. ____________________

Figure 34-1 Use the figure to answer the corresponding question(s). -Which of the following statements does not describe the leaf epidermis?

Opening of the stomata:

__________ is responsible for water movement in plants.

Which of the following is not true of monocot leaves?

Floating leaves of aquatic plants have:

MATCHING Indicate whether each of the following characteristics is generally found in monocots or in eudicots. a.monocots b.eudicots -exhibit parallel venation

Transpiration:

MATCHING Indicate whether each of the following characteristics is generally found in monocots or in eudicots. a.monocots b.eudicots -Explain how the structure of a leaf contributes to the function of photosynthesis.

MATCHING Indicate whether each of the following characteristics is generally found in monocots or in eudicots. a.monocots b.eudicots -exhibit pinnately netted venation

Guard cells are often associated with __________, special epidermal cells that provide a reservoir of water and ions.

MATCHING Indicate whether each of the following characteristics is generally found in monocots or in eudicots. a.monocots b.eudicots -leaf forms a sheath at the leaf base

A cross section of a monocot leaf typically shows veins in both cross-section and lengthwise section. ____________________

Photosynthesis occurs chiefly in the leaf's:

Which of the following is most important in stomatal closing?

Figure 34-2 Use the figure to answer the corresponding question(s). -Refer to Figure 34-2.The structure labeled __________ is responsible for the transport of dissolved sugars.

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna: the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

Filters