Question 1

Which of these plant cells is alive but has no nucleus?

Accepted Answer

A)  Collenchyma cell 
B)  Vessel element 
C)  Sieve-tube element 
D)  Companion cell 
E)  Parenchyma cell 
A)  Collenchyma cell 
B)  Vessel element 
C)  Sieve-tube element 
D)  Companion cell 
E)  Parenchyma cell

Question 2

Both primary and secondary growth are accomplished by mitotic cell division. Compare and contrast these two types of growth.

Accepted Answer

Primary growth involves apical meristem

Question 3

What is the source of energy for plant roots?

Accepted Answer

Photosynthesis in the shoot (leaves) use

Question 4

In vascular plants, sugar solutions and hormones are transported through tubes constructed of cells called

Accepted Answer

A)  tracheids. 
B)  sieve-tube elements. 
C)  plasmodesmata. 
D)  companion cells. 
E)  vessels elements. 
A)  tracheids. 
B)  sieve-tube elements. 
C)  plasmodesmata. 
D)  companion cells. 
E)  vessels elements.

Question 5

Mycorrhizae are

Accepted Answer

A)  commensal relationships between a fungus and the leaves of a land plant. 
B)  symbiotic relationships between bacteria and the roots of a land plant. 
C)  mutualistic relationships between a fungus and an alga. 
D)  parasitic relationships between bacteria and the roots of a land plant. 
E)  symbiotic relationships between a fungus and the roots of a land plant. 
A)  commensal relationships between a fungus and the leaves of a land plant. 
B)  symbiotic relationships between bacteria and the roots of a land plant. 
C)  mutualistic relationships between a fungus and an alga. 
D)  parasitic relationships between bacteria and the roots of a land plant. 
E)  symbiotic relationships between a fungus and the roots of a land plant.

Question 6

Many root epidermal cells grow projections called _________, which extend from their surface and help in the absorption of water and minerals.

Accepted Answer

A)  rhizomes 
B)  villi 
C)  cilia 
D)  root hairs 
E)  rhizoids 
A)  rhizomes 
B)  villi 
C)  cilia 
D)  root hairs 
E)  rhizoids

Question 7

Ground tissue is found in the primary plant only, never in the secondary plant.

Accepted Answer

A) True 
 B)False

Question 8

You discover a plant that has unusual fruit around the seed and leaves with parallel veins. In which of the two major groups of flowering plants does it belong, and why?

Accepted Answer

A)  Neither monocot nor dicot, because it has fruits 
B)  Monocots, because it has parallel veins 
C)  Either monocot or dicot, depending on the presence or absence of flowers 
D)  Dicots, because it has fruit around the seed 
A)  Neither monocot nor dicot, because it has fruits 
B)  Monocots, because it has parallel veins 
C)  Either monocot or dicot, depending on the presence or absence of flowers 
D)  Dicots, because it has fruit around the seed

Question 9

The formation of sieve plates between phloem sieve-tube elements allows

Accepted Answer

A)  water to transpire from each surface. 
B)  mesophyll cells to connect with xylem cells. 
C)  the dead phloem cells to form an empty tube. 
D)  each cell to function independently. 
E)  adjacent cells to connect via membrane-lined pores. 
A)  water to transpire from each surface. 
B)  mesophyll cells to connect with xylem cells. 
C)  the dead phloem cells to form an empty tube. 
D)  each cell to function independently. 
E)  adjacent cells to connect via membrane-lined pores.

Question 10

As a 7-year-old child, you helped your father nail a birdhouse 7 feet high on a 10 -foot-tall maple tree. If the tree grew an average of 12 inches per year, except during a dry year when it grew only 2 inches, how high in the tree is the birdhouse when you are 18 years old?

Accepted Answer

A)  17 feet, 2 inches 
B)  19 feet 
C)  10 feet 
D)  7 feet 
E)  17 feet 
A)  17 feet, 2 inches 
B)  19 feet 
C)  10 feet 
D)  7 feet 
E)  17 feet

Question 11

Increases in plant length (such as overall height or branch and root length) result from cell division that occurs

Accepted Answer

A)  only in apical meristems at shoot and root tips. 
B)  equally throughout the plant body. 
C)  only from lateral meristems. 
D)  from cell division of differentiated cells. 
A)  only in apical meristems at shoot and root tips. 
B)  equally throughout the plant body. 
C)  only from lateral meristems. 
D)  from cell division of differentiated cells.

Question 12

The dermal tissue system consists of

Accepted Answer

A)  collenchyma tissue. 
B)  parenchyma tissue. 
C)  phloem. 
D)  xylem. 
E)  epidermis. 
A)  collenchyma tissue. 
B)  parenchyma tissue. 
C)  phloem. 
D)  xylem. 
E)  epidermis.

Question 13

As an oak tree ages, the trunk becomes thicker and woodier due to _________growth.

Accepted Answer

A)  primary 
B)  secondary 
C)  determinate 
D)  tertiary 
E)  apical meristem 
A)  primary 
B)  secondary 
C)  determinate 
D)  tertiary 
E)  apical meristem

Question 14

Which of these tissue types is (are) found throughout young plant bodies?

Accepted Answer

A)  Epidermis, xylem, and phloem 
B)  Epidermis only 
C)  Xylem and phloem 
D)  Epidermis and periderm 
E)  Periderm only 
A)  Epidermis, xylem, and phloem 
B)  Epidermis only 
C)  Xylem and phloem 
D)  Epidermis and periderm 
E)  Periderm only

Question 15

Diffusion doesnʹt require energy. Why do plants expend energy to actively transport minerals into root hairs?

Accepted Answer

A)  Mineral concentrations in the soil are too high for diffusion. 
B)  Minerals are too large for diffusion. 
C)  Minerals are strongly attracted to soil particles. 
D)  Mineral concentrations in the soil are too low for diffusion. 
A)  Mineral concentrations in the soil are too high for diffusion. 
B)  Minerals are too large for diffusion. 
C)  Minerals are strongly attracted to soil particles. 
D)  Mineral concentrations in the soil are too low for diffusion.

Question 16

What would you expect to be missing in a plant that exhibits primary growth but not secondary growth?

Accepted Answer

A)  An elongated stem 
B)  An expanded root system 
C)  Flowers 
D)  Vascular tissue 
E)  Thick woody branches 
A)  An elongated stem 
B)  An expanded root system 
C)  Flowers 
D)  Vascular tissue 
E)  Thick woody branches

Question 17

Phloem sieve-tube elements are able to remain alive because adjacent ___________cells provide nourishment in the form of proteins and high -energy compounds such as ATP.

Accepted Answer

The answer of Phloem sieve-tube elements are able to remain...

Question 18

Water loss through the stomata of leaves is called

Accepted Answer

A)  transpiration. 
B)  translocation. 
C)  bulk flow. 
D)  osmosis. 
E)  guttation. 
A)  transpiration. 
B)  translocation. 
C)  bulk flow. 
D)  osmosis. 
E)  guttation.

Question 19

Water and minerals are mainly absorbed from the soil through the

Accepted Answer

A)  apical meristem. 
B)  root hairs. 
C)  pericycle. 
D)  epidermis of large woody roots. 
E)  root cap. 
A)  apical meristem. 
B)  root hairs. 
C)  pericycle. 
D)  epidermis of large woody roots. 
E)  root cap.

Question 20

If a treeʹs heartwood rots out, the tree will

Accepted Answer

A)  not survive because the active xylem is destroyed. 
B)  replace the heartwood with sapwood to compensate for the damaged tissue. 
C)  not survive because the active phloem is destroyed. 
D)  be weaker than normal and more likely to blow over in a storm. 
A)  not survive because the active xylem is destroyed. 
B)  replace the heartwood with sapwood to compensate for the damaged tissue. 
C)  not survive because the active phloem is destroyed. 
D)  be weaker than normal and more likely to blow over in a storm.

Exam 44: Plant Anatomy and Nutrient Transport

Which of these plant cells is alive but has no nucleus?

Both primary and secondary growth are accomplished by mitotic cell division. Compare and contrast these two types of growth.

What is the source of energy for plant roots?

In vascular plants, sugar solutions and hormones are transported through tubes constructed of cells called

Mycorrhizae are

Many root epidermal cells grow projections called _________, which extend from their surface and help in the absorption of water and minerals.

Ground tissue is found in the primary plant only, never in the secondary plant.

You discover a plant that has unusual fruit around the seed and leaves with parallel veins. In which of the two major groups of flowering plants does it belong, and why?

The formation of sieve plates between phloem sieve-tube elements allows

As a 7-year-old child, you helped your father nail a birdhouse 7 feet high on a 10 -foot-tall maple tree. If the tree grew an average of 12 inches per year, except during a dry year when it grew only 2 inches, how high in the tree is the birdhouse when you are 18 years old?

Increases in plant length (such as overall height or branch and root length) result from cell division that occurs

The dermal tissue system consists of

As an oak tree ages, the trunk becomes thicker and woodier due to _________growth.

Which of these tissue types is (are) found throughout young plant bodies?

Diffusion doesnʹt require energy. Why do plants expend energy to actively transport minerals into root hairs?

What would you expect to be missing in a plant that exhibits primary growth but not secondary growth?

Phloem sieve-tube elements are able to remain alive because adjacent ___________cells provide nourishment in the form of proteins and high -energy compounds such as ATP.

Water loss through the stomata of leaves is called

Water and minerals are mainly absorbed from the soil through the

If a treeʹs heartwood rots out, the tree will

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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