Question 1

What cell type permits the continued growth of a plant throughout its life?

Accepted Answer

A)  Secondary cells 
B)  Ground tissue cells 
C)  Meristem cells 
D)  Mesophyll cells 
E)  Differentiated cells 
A)  Secondary cells 
B)  Ground tissue cells 
C)  Meristem cells 
D)  Mesophyll cells 
E)  Differentiated cells

Question 2

If a beaver eats the bark all the way around a tree trunk (a process called ʺgirdlingʺ), why does the tree die?

Accepted Answer

A)  Cells of the lateral meristem can no longer divide. 
B)  Water and minerals are no longer supplied to the leaves. 
C)  The phloem is damaged, and the transport of sugars ceases. 
D)  The tree cannot continue to photosynthesize. 
E)  The tree is susceptible to insect and fungal diseases. 
A)  Cells of the lateral meristem can no longer divide. 
B)  Water and minerals are no longer supplied to the leaves. 
C)  The phloem is damaged, and the transport of sugars ceases. 
D)  The tree cannot continue to photosynthesize. 
E)  The tree is susceptible to insect and fungal diseases.

Question 3

Which of the following makes up most of an old tree trunk?

Accepted Answer

A)  Vascular cambium 
B)  Primary xylem 
C)  Secondary xylem 
D)  Primary phloem 
E)  Secondary phloem 
A)  Vascular cambium 
B)  Primary xylem 
C)  Secondary xylem 
D)  Primary phloem 
E)  Secondary phloem

Question 4

Which of these tissues is between the epidermis and a vascular bundle in a young dicot stem?

Accepted Answer

A)  Pith 
B)  Cortex 
C)  Phloem 
D)  Xylem 
E)  Cork 
A)  Pith 
B)  Cortex 
C)  Phloem 
D)  Xylem 
E)  Cork

Question 5

You have been asked by your instructor to go to the greenhouse and select a plant that exhibits secondary growth. Which of the following plants would you choose?

Accepted Answer

A)  Strawberry 
B)  Daffodil 
C)  Bermuda grass 
D)  Rose bush 
E)  Pansy 
A)  Strawberry 
B)  Daffodil 
C)  Bermuda grass 
D)  Rose bush 
E)  Pansy

Question 6

Which of the following statements is incorrect with regard to xylem tissue?

Accepted Answer

A)  Xylem cells are dead at maturity. 
B)  Companion cells provide nutrition for tracheids. 
C)  Water and minerals are transported by xylem. 
D)  Xylem is composed of tracheids and vessel elements. 
E)  Vessel elements contain pits. 
A)  Xylem cells are dead at maturity. 
B)  Companion cells provide nutrition for tracheids. 
C)  Water and minerals are transported by xylem. 
D)  Xylem is composed of tracheids and vessel elements. 
E)  Vessel elements contain pits.

Question 7

Based on your understanding of the key differences between monocots and dicots, what characteristics can you see with your naked eye that can help you distinguish between them?

Accepted Answer

Number of flower parts (multiples of thr

Question 8

Which of the following would you be unable to locate in xylem tissue?

Accepted Answer

A)  Sclerenchyma cells 
B)  Vessel elements 
C)  Sieve tube elements 
D)  Tracheids 
E)  Cell walls with porous dimples called pits 
A)  Sclerenchyma cells 
B)  Vessel elements 
C)  Sieve tube elements 
D)  Tracheids 
E)  Cell walls with porous dimples called pits

Question 9

Most flowering plants grow throughout their lives. This type of growth is known as

Accepted Answer

A)  indeterminate growth. 
B)  primary growth. 
C)  exponential growth. 
D)  determinate growth. 
E)  secondary growth. 
A)  indeterminate growth. 
B)  primary growth. 
C)  exponential growth. 
D)  determinate growth. 
E)  secondary growth.

Question 10

Which of the following is a common function of stems but NOT of roots?

Accepted Answer

A)  Support 
B)  Absorption 
C)  Storage 
D)  Anchorage 
A)  Support 
B)  Absorption 
C)  Storage 
D)  Anchorage

Question 11

Under the influence of hormones, branch roots emerge from the _________of a growing root.

Accepted Answer

A)  endodermis 
B)  pericycle 
C)  Casparian strip 
D)  central cylinder 
E)  epidermis 
A)  endodermis 
B)  pericycle 
C)  Casparian strip 
D)  central cylinder 
E)  epidermis

Question 12

You are examining a rigid plant tissue; it does not flex or bend. Tests show that it is not consuming oxygen gas, as would be expected if aerobic respiration were occurring. This tissue is probably

Accepted Answer

A)  collenchyma. 
B)  phloem. 
C)  sclerenchyma. 
D)  epidermis. 
E)  parenchyma. 
A)  collenchyma. 
B)  phloem. 
C)  sclerenchyma. 
D)  epidermis. 
E)  parenchyma.

Question 13

Guard cells control the opening and closing of plant stomata by creating osmotic gradients across their membranes, which are adjusted by regulating the concentration of___________ in their cytoplasm.

Accepted Answer

The answer of Guard cells control the opening and closing...

Question 14

Compare the functions of roots with those of shoots. How are they similar and how are they different?

Accepted Answer

Both are involved in hormone production,

Question 15

Which of these tissue types makes up most of the ground tissue system?

Accepted Answer

A)  Sclerenchyma 
B)  Xylem 
C)  Collenchyma 
D)  Parenchyma 
E)  Periderm 
A)  Sclerenchyma 
B)  Xylem 
C)  Collenchyma 
D)  Parenchyma 
E)  Periderm

Exam 44: Plant Anatomy and Nutrient Transport

What cell type permits the continued growth of a plant throughout its life?

If a beaver eats the bark all the way around a tree trunk (a process called ʺgirdlingʺ), why does the tree die?

Which of the following makes up most of an old tree trunk?

Which of these tissues is between the epidermis and a vascular bundle in a young dicot stem?

You have been asked by your instructor to go to the greenhouse and select a plant that exhibits secondary growth. Which of the following plants would you choose?

Which of the following statements is incorrect with regard to xylem tissue?

Based on your understanding of the key differences between monocots and dicots, what characteristics can you see with your naked eye that can help you distinguish between them?

Which of the following would you be unable to locate in xylem tissue?

Most flowering plants grow throughout their lives. This type of growth is known as

Which of the following is a common function of stems but NOT of roots?

Under the influence of hormones, branch roots emerge from the _________of a growing root.

You are examining a rigid plant tissue; it does not flex or bend. Tests show that it is not consuming oxygen gas, as would be expected if aerobic respiration were occurring. This tissue is probably

Guard cells control the opening and closing of plant stomata by creating osmotic gradients across their membranes, which are adjusted by regulating the concentration of___________ in their cytoplasm.

Compare the functions of roots with those of shoots. How are they similar and how are they different?

Which of these tissue types makes up most of the ground tissue system?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

DNA: The Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Reproduction and Development

Plant Responses to the Environment

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