Question 1

The loading of dissolved sugars into the sieve tube elements of phloem is:

Accepted Answer

A)  passive transport. 
B)  active transport. 
C)  osmosis. 
D)  simple diffusion. 
E)  facilitated diffusion. 
A)  passive transport. 
B)  active transport. 
C)  osmosis. 
D)  simple diffusion. 
E)  facilitated diffusion.

Question 2

Which of the following is a function of stems?

Accepted Answer

A)  Sexually reproduce 
B)  Absorb nutrient minerals 
C)  Produce new tissues 
D)  Transport dissolved gases 
E)  Anchor plants 
A)  Sexually reproduce 
B)  Absorb nutrient minerals 
C)  Produce new tissues 
D)  Transport dissolved gases 
E)  Anchor plants

Question 3

The transport of xylem sap is the most rapid movement of any material in plants.

Accepted Answer

A) True 
 B)False

Question 4

Compare and contrast the structure of an herbaceous eudicot stem and that of a monocot.

Accepted Answer

Monocot and eudicot stems are similar in

Question 5

In woody plants, the lateral transport of materials occurs through:

Accepted Answer

A)  lenticels. 
B)  pith. 
C)  pith rays. 
D)  phloem fiber caps. 
E)  rays. 
A)  lenticels. 
B)  pith. 
C)  pith rays. 
D)  phloem fiber caps. 
E)  rays.

Question 6

Compare transpiration and translocation, and be sure to cover the five points below. 
 1. Principal substance(s) transported 
 
 2. Direction of transport 
 
 3. Tissue through which transport occurs 
 
 4. Name of model that explains the process 
 
 5. Does the plant expend energy to carry out the process?

Accepted Answer

1. Transpiration: water and minerals; tr

Question 7

Cork cambium and the tissues it produces are collectively known as:

Accepted Answer

A)  periderm. 
B)  epidermis. 
C)  xylem. 
D)  pith. 
E)  cortex. 
A)  periderm. 
B)  epidermis. 
C)  xylem. 
D)  pith. 
E)  cortex.

Question 8

Sucrose is translocated from source to sink.

Accepted Answer

A) True 
 B)False

Question 9

Match between columns
                        Premises: Measure of the free energy of pure water

Accepted Answer

The Answer of Tension-cohesion model and Cohesion and Transpiration and is...

Question 10

Match between columns
                        Premises: This tissue produces cork cells.

Accepted Answer

The Answer of Periderm and Vascular cambium and Epidermis and is...

Question 11

Match between columns
                        Premises: Hydrostatic pressure

Accepted Answer

The Answer of Turgor pressure and Turgor pressure gradient and is...

Question 12

Match between columns
                        Premises: Cortex is composed of this tissue.

Accepted Answer

The Answer of Xylem and Vascular cambium and Epidermis and is...

Question 13

Match between columns
                        Premises: This tissue replaces the epidermis in woody plants.

Accepted Answer

The Answer of Phloem and Cork parenchyma and Cork cambium is...

Question 14

Match between columns
                        Premises: This tissue is covered by a cuticle.

Accepted Answer

The Answer of Xylem and Ground tissue and Epidermis and is...

Question 15

Figure 35-2 ​
 
In the accompanying figure, the structure responsible for photosynthesis, storage, and support is labeled as:

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 16

A growth ring is composed of xylem.

Accepted Answer

A) True 
 B)False

Question 17

Sapwood is functional secondary xylem.

Accepted Answer

A) True 
 B)False

Question 18

____ is less dense than ____.

Accepted Answer

A)  Heartwood; sapwood 
B)  Heartwood; softwood 
C)  Sapwood; hardwood 
D)  Sapwood; heartwood 
E)  Softwood; hardwood 
A)  Heartwood; sapwood 
B)  Heartwood; softwood 
C)  Sapwood; hardwood 
D)  Sapwood; heartwood 
E)  Softwood; hardwood

Question 19

At the center of an herbaceous eudicot stem is:

Accepted Answer

A)  pith. 
B)  collenchyma. 
C)  sclerenchyma. 
D)  vascular cambium. 
E)  phloem. 
A)  pith. 
B)  collenchyma. 
C)  sclerenchyma. 
D)  vascular cambium. 
E)  phloem.

Question 20

Softwood is the wood:

Accepted Answer

A)  found at the center of a tree. 
B)  of cone-bearing gymnosperms. 
C)  of flowering plants. 
D)  formed when water is abundant. 
E)  formed when water is less abundant. 
A)  found at the center of a tree. 
B)  of cone-bearing gymnosperms. 
C)  of flowering plants. 
D)  formed when water is abundant. 
E)  formed when water is less abundant.

Exam 35: Stem Structure and Transport

The loading of dissolved sugars into the sieve tube elements of phloem is:

Which of the following is a function of stems?

The transport of xylem sap is the most rapid movement of any material in plants.

Compare and contrast the structure of an herbaceous eudicot stem and that of a monocot.

In woody plants, the lateral transport of materials occurs through:

Compare transpiration and translocation, and be sure to cover the five points below. 1. Principal substance(s) transported 2. Direction of transport 3. Tissue through which transport occurs 4. Name of model that explains the process 5. Does the plant expend energy to carry out the process?

Cork cambium and the tissues it produces are collectively known as:

Sucrose is translocated from source to sink.

Figure 35-2 ​ In the accompanying figure, the structure responsible for photosynthesis, storage, and support is labeled as:

A growth ring is composed of xylem.

Sapwood is functional secondary xylem.

____ is less dense than ____.

At the center of an herbaceous eudicot stem is:

Softwood is the wood:

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

Leaf Structure and Function

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

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Figure 35-2 In the accompanying figure, the structure responsible for photosynthesis, storage, and support is labeled as:

is less dense than .