Question 1

A vessel element would likely lose its protoplast in which section of a root?

Accepted Answer

A)  zone of cell division 
B)  zone of elongation 
C)  zone of differentiation 
D)  root cap 
E)  apical meristem 
A)  zone of cell division 
B)  zone of elongation 
C)  zone of differentiation 
D)  root cap 
E)  apical meristem

Question 2

What effect does "pinching back" have on a houseplant?

Accepted Answer

A)  increases apical dominance 
B)  inhibits the growth of lateral buds 
C)  produces a plant that will grow taller 
D)  stimulates lateral buds to grow 
E)  increases the flow of auxin down the shoot 
A)  increases apical dominance 
B)  inhibits the growth of lateral buds 
C)  produces a plant that will grow taller 
D)  stimulates lateral buds to grow 
E)  increases the flow of auxin down the shoot

Question 3

Which of the following are most responsible for supporting mature, nongrowing parts of the plant?

Accepted Answer

A)  parenchyma cells 
B)  collenchyma cells 
C)  trichomes 
D)  tracheids and vessel elements 
E)  sieve-tube elements 
A)  parenchyma cells 
B)  collenchyma cells 
C)  trichomes 
D)  tracheids and vessel elements 
E)  sieve-tube elements

Question 4

The following questions are based on the drawing of root or stem cross sections shown in Figure 28.2.
   Figure 28.2
-A plant that is at least 3 years old is represented by

Accepted Answer

A)  I only. 
B)  II only. 
C)  III only. 
D)  IV only. 
E)  both I and III. 
A)  I only. 
B)  II only. 
C)  III only. 
D)  IV only. 
E)  both I and III.

Question 5

________ is to xylem as ________ is to phloem.

Accepted Answer

A)  Sclerenchyma cell; collenchyma cell 
B)  Apical meristem; vascular cambium 
C)  Vessel element; sieve-tube member 
D)  Cortex; pith 
E)  Vascular cambium; cork cambium 
A)  Sclerenchyma cell; collenchyma cell 
B)  Apical meristem; vascular cambium 
C)  Vessel element; sieve-tube member 
D)  Cortex; pith 
E)  Vascular cambium; cork cambium

Question 6

Which of the following is incorrectly paired with its structure and function?

Accepted Answer

A)  sclerenchyma-supporting cells with thick secondary walls 
B)  periderm-protective coat of woody stems and roots 
C)  pericycle-waterproof ring of cells surrounding the central stele in roots 
D)  mesophyll-parenchyma cells functioning in photosynthesis in leaves 
E)  ground meristem-primary meristem that produces the ground tissue system 
A)  sclerenchyma-supporting cells with thick secondary walls 
B)  periderm-protective coat of woody stems and roots 
C)  pericycle-waterproof ring of cells surrounding the central stele in roots 
D)  mesophyll-parenchyma cells functioning in photosynthesis in leaves 
E)  ground meristem-primary meristem that produces the ground tissue system

Question 7

Heartwood and sapwood consist of

Accepted Answer

A)  bark. 
B)  periderm. 
C)  secondary xylem. 
D)  secondary phloem. 
E)  cork. 
A)  bark. 
B)  periderm. 
C)  secondary xylem. 
D)  secondary phloem. 
E)  cork.

Question 8

Water is most likely to enter a mesophyll cell

Accepted Answer

A)  as a gas. 
B)  as a liquid. 
C)  covalently bound to sugars. 
D)  coupled to ion transport. 
E)  via endocytosis. 
A)  as a gas. 
B)  as a liquid. 
C)  covalently bound to sugars. 
D)  coupled to ion transport. 
E)  via endocytosis.

Question 9

The following questions are based on the drawing of root or stem cross sections shown in Figure 28.2.
   Figure 28.2
-A monocot stem is represented by

Accepted Answer

A)  I only. 
B)  II only. 
C)  III only. 
D)  IV only. 
E)  both I and III. 
A)  I only. 
B)  II only. 
C)  III only. 
D)  IV only. 
E)  both I and III.

Question 10

What tissue makes up most of the wood of a tree?

Accepted Answer

A)  primary xylem 
B)  secondary xylem 
C)  secondary phloem 
D)  mesophyll cells 
E)  vascular cambium 
A)  primary xylem 
B)  secondary xylem 
C)  secondary phloem 
D)  mesophyll cells 
E)  vascular cambium

Exam 28: Plant Structure and Growth

A vessel element would likely lose its protoplast in which section of a root?

What effect does "pinching back" have on a houseplant?

Which of the following are most responsible for supporting mature, nongrowing parts of the plant?

The following questions are based on the drawing of root or stem cross sections shown in Figure 28.2. Figure 28.2 -A plant that is at least 3 years old is represented by

________ is to xylem as ________ is to phloem.

Which of the following is incorrectly paired with its structure and function?

Heartwood and sapwood consist of

Water is most likely to enter a mesophyll cell

The following questions are based on the drawing of root or stem cross sections shown in Figure 28.2. Figure 28.2 -A monocot stem is represented by

What tissue makes up most of the wood of a tree?

Introduction: Evolution and the Foundations of Biology

The Chemical Context of Life

Carbon and the Molecular Diversity of Life

A Tour of the Cell

Membrane Transport and Cell Signaling

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

Gene Expression: From Gene to Protein

Regulation of Gene Expression

Development, Stem Cells, and Cancer

Viruses

Genomes and Their Evolution

Descent With Modification

Phylogeny

The Evolution of Populations

The Origin of Species

Broad Patterns of Evolution

Early Life and the Diversification of Prokaryotes

The Origin and Diversification of Eukaryotes

The Colonization of Land by Plants and Fungi

The Rise of Animal Diversity

Resource Acquisition, Nutrition, and Transport in Vascular Plants

Reproduction and Domestication of Flowering Plants

Plant Responses to Internal and External Signals

Homeostasis and Endocrine Signaling

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Reproduction and Development

Neurons, Synapses, and Signaling

Nervous and Sensory Systems

Motor Mechanisms and Behavior

Population Ecology and the Distribution of Organisms

Species Interactions

Ecosystems and Energy

Global Ecology and Conservation Biology

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is to xylem as is to phloem.