Question 1

When a plant grows upward, the distance between the internodes increases in length.

Accepted Answer

A) True 
 B)False

Question 2

If the pericycle was missing, how would this affect a plant?

Accepted Answer

A)  There would be no branch roots. 
B)  There would be no root hairs. 
C)  There would be no xylem and phloem. 
D)  The meristem would not be present. 
E)  The root would not be able to store starches. 
A)  There would be no branch roots. 
B)  There would be no root hairs. 
C)  There would be no xylem and phloem. 
D)  The meristem would not be present. 
E)  The root would not be able to store starches.

Question 3

Which of the following statements describes the arrangement of tissues in the eudicot root?

Accepted Answer

A)  Vascular bundles are randomly scattered throughout the cortex. 
B)  The vascular bundles are located in a ring right under the root epidermis. 
C)  The pericycle is the inner layer of cells in the vascular cylinder. 
D)  The star-shaped phloem is located in the center of the vascular cylinder, with xylem arranged between the arms of the phloem. 
E)  The Casparian strip is a waxy lining that borders all four sides of the endodermal cells. 
A)  Vascular bundles are randomly scattered throughout the cortex. 
B)  The vascular bundles are located in a ring right under the root epidermis. 
C)  The pericycle is the inner layer of cells in the vascular cylinder. 
D)  The star-shaped phloem is located in the center of the vascular cylinder, with xylem arranged between the arms of the phloem. 
E)  The Casparian strip is a waxy lining that borders all four sides of the endodermal cells.

Question 4

List the three tissue types found in plants and give several examples of cell types in each tissue category.

Accepted Answer

Epidermal tissues: cell types include ep

Question 5

Wood is composed of

Accepted Answer

A)  cork. 
B)  cork cambium. 
C)  secondary phloem. 
D)  secondary xylem. 
E)  sieve-tube members. 
A)  cork. 
B)  cork cambium. 
C)  secondary phloem. 
D)  secondary xylem. 
E)  sieve-tube members.

Question 6

Vascular tissue in a leaf is surrounded by ________.

Accepted Answer

A)  bundle sheath cells 
B)  stomata 
C)  cuticle 
D)  trichomes 
E)  guard cells 
A)  bundle sheath cells 
B)  stomata 
C)  cuticle 
D)  trichomes 
E)  guard cells

Question 7

Transpiration rates are the same for all plants.

Accepted Answer

A) True 
 B)False

Question 8

Which two structures are associated with the terminal bud?

Accepted Answer

A)  apical meristem and leaf primordia 
B)  shoot tip and zone of maturation 
C)  apical meristem and zone of cell division 
D)  zone of cell division and leaf primordia 
E)  None of the answer choices is associated with the terminal bud. 
A)  apical meristem and leaf primordia 
B)  shoot tip and zone of maturation 
C)  apical meristem and zone of cell division 
D)  zone of cell division and leaf primordia 
E)  None of the answer choices is associated with the terminal bud.

Question 9

Which of the following is true of secondary growth in woody plants?

Accepted Answer

A)  occurs in woody stems 
B)  increases both the length and girth of plants 
C)  involves two types of meristem tissues 
D)  phloem is located under the bark 
E)  All of the answer choices are true. 
A)  occurs in woody stems 
B)  increases both the length and girth of plants 
C)  involves two types of meristem tissues 
D)  phloem is located under the bark 
E)  All of the answer choices are true.

Question 10

Which of the following statements is true about wood?

Accepted Answer

A)  In the temperate regions, wood forms monthly rings. 
B)  The xylem vessels will be smaller in size in the spring because they are immature. 
C)  The wood produced in the summer will have a higher proportion of vessels than wood produced in the spring. 
D)  Heartwood transports water to the leaves throughout the life of the tree. 
E)  In large trees, the most recently formed layer of cells transports water. 
A)  In the temperate regions, wood forms monthly rings. 
B)  The xylem vessels will be smaller in size in the spring because they are immature. 
C)  The wood produced in the summer will have a higher proportion of vessels than wood produced in the spring. 
D)  Heartwood transports water to the leaves throughout the life of the tree. 
E)  In large trees, the most recently formed layer of cells transports water.

Question 11

Which of these associations is correct?

Accepted Answer

A)  epidermal cell-gas exchange 
B)  stomata-cell division 
C)  sclerenchyma cells-sugar transport 
D)  sieve-tube members-protection 
E)  xylem cells-water transport 
A)  epidermal cell-gas exchange 
B)  stomata-cell division 
C)  sclerenchyma cells-sugar transport 
D)  sieve-tube members-protection 
E)  xylem cells-water transport

Question 12

Trees are often identified by their leaves. What information about the leaves would you need in order to identify the tree?

Accepted Answer

A)  function of the leaves 
B)  whether the leaves are lost in the fall 
C)  blades, pattern of venation, and arrangement on the stem 
D)  size and color 
E)  whether the veins are parallel or netted 
A)  function of the leaves 
B)  whether the leaves are lost in the fall 
C)  blades, pattern of venation, and arrangement on the stem 
D)  size and color 
E)  whether the veins are parallel or netted

Question 13

Which statement is true regarding phloem transport during the summer in plants?

Accepted Answer

A)  The roots make sugar. 
B)  A higher pressure exists in the roots than in the leaves. 
C)  Water follows sugar into sieve-tube members in the leaves. 
D)  Sugar is transported by passive diffusion into sieve-tube members. 
E)  There is a fluid flow from the roots to the leaves. 
A)  The roots make sugar. 
B)  A higher pressure exists in the roots than in the leaves. 
C)  Water follows sugar into sieve-tube members in the leaves. 
D)  Sugar is transported by passive diffusion into sieve-tube members. 
E)  There is a fluid flow from the roots to the leaves.

Question 14

As soon as a beautiful plant in your backyard blooms, you remove the flowers. By doing so, you have now inhibited the growth of the plant.

Accepted Answer

A) True 
 B)False

Question 15

A stem is identified by being aboveground and green.

Accepted Answer

A) True 
 B)False

Question 16

Monocots differ from eudicots in that monocots have

Accepted Answer

A)  two cotyledons in the seed. 
B)  leaf veins that are parallel. 
C)  flower parts in 4s or 5s. 
D)  stem vascular bundles in a distinct ring. 
E)  phloem in a root located between areas of xylem. 
A)  two cotyledons in the seed. 
B)  leaf veins that are parallel. 
C)  flower parts in 4s or 5s. 
D)  stem vascular bundles in a distinct ring. 
E)  phloem in a root located between areas of xylem.

Question 17

The loss of water from a leaf is termed

Accepted Answer

A)  transpiration. 
B)  perspiration. 
C)  transduction. 
D)  leakage. 
E)  transcription. 
A)  transpiration. 
B)  perspiration. 
C)  transduction. 
D)  leakage. 
E)  transcription.

Question 18

An aphid is an insect that has mouthparts to sip plant sap. When placed on an herbaceous stem, it soon has its mouthparts embedded and is withdrawing plant sap. What layer of cells has the aphid's mouthparts tapped?

Accepted Answer

A)  xylem 
B)  phloem 
C)  parenchyma 
D)  trichomes 
E)  collenchyma 
A)  xylem 
B)  phloem 
C)  parenchyma 
D)  trichomes 
E)  collenchyma

Question 19

Only leaves carry out photosynthesis.

Accepted Answer

A) True 
 B)False

Question 20

The cells that make up xylem are no longer living.

Accepted Answer

A) True 
 B)False

Exam 9: Plant Organization and Function

When a plant grows upward, the distance between the internodes increases in length.

If the pericycle was missing, how would this affect a plant?

Which of the following statements describes the arrangement of tissues in the eudicot root?

List the three tissue types found in plants and give several examples of cell types in each tissue category.

Wood is composed of

Vascular tissue in a leaf is surrounded by ________.

Transpiration rates are the same for all plants.

Which two structures are associated with the terminal bud?

Which of the following is true of secondary growth in woody plants?

Which of the following statements is true about wood?

Which of these associations is correct?

Trees are often identified by their leaves. What information about the leaves would you need in order to identify the tree?

Which statement is true regarding phloem transport during the summer in plants?

As soon as a beautiful plant in your backyard blooms, you remove the flowers. By doing so, you have now inhibited the growth of the plant.

A stem is identified by being aboveground and green.

Monocots differ from eudicots in that monocots have

The loss of water from a leaf is termed

An aphid is an insect that has mouthparts to sip plant sap. When placed on an herbaceous stem, it soon has its mouthparts embedded and is withdrawing plant sap. What layer of cells has the aphid's mouthparts tapped?

Only leaves carry out photosynthesis.

The cells that make up xylem are no longer living.

The Study of Life

The Molecules of Cells

Cell Structure and Function

Membrane Structure and Function

Cell Division

Metabolism: Energy and Enzymes

Cellular Respiration

Photosynthesis

Plant Reproduction and Responses

Human Organization

Cardiovascular System

Lymphatic and Immune Systems

Digestive System and Nutrition

Respiratory System

Urinary System and Excretion

Nervous System

Senses

Musculoskeletal System

Endocrine System

Reproductive System

Development and Aging

Patterns of Gene Inheritance

Chromosomal Basis of Inheritance

Dna Structure and Gene Expression

Biotechnology and Genomics

Evolution of Life

Microbiology

Protists and Fungi

Plants

Animals: the Invertebrates

Animals: Chordates and Vertebrates

Behavioral Ecology

Population and Community Ecology

Nature of Ecosystems

Major Ecosystems of the Biosphere

Conservation Biology

Filters