Question 1

Which of the following statements about parenchyma cells is FALSE?

Accepted Answer

A)  They can photosynthesize. 
B)  They can initiate adventitious roots. 
C)  They are involved in secretion. 
D)  They are capable of cell division. 
E)  They lack secondary walls. 
A)  They can photosynthesize. 
B)  They can initiate adventitious roots. 
C)  They are involved in secretion. 
D)  They are capable of cell division. 
E)  They lack secondary walls.

Question 2

______ is the typical supporting tissue of growing stems, leaves, and floral parts.

Accepted Answer

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

Question 3

In general, vascular tissues are embedded within ground tissue, and the dermal tissue forms a surrounding layer.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is NOT a function of trichomes?

Accepted Answer

A)  providing structural support 
B)  defending against insects 
C)  secreting salts 
D)  absorbing water and minerals from the soil 
E)  reflecting solar radiation 
A)  providing structural support 
B)  defending against insects 
C)  secreting salts 
D)  absorbing water and minerals from the soil 
E)  reflecting solar radiation

Question 5

Forisomes can change from a resting stage to a dispersed stage.

Accepted Answer

A) True 
 B)False

Question 6

The rays found in secondary vascular tissue consist of:

Accepted Answer

A)  collenchyma cells. 
B)  vessel elements. 
C)  parenchyma cells. 
D)  sieve-tube elements. 
E)  sclerenchyma cells. 
A)  collenchyma cells. 
B)  vessel elements. 
C)  parenchyma cells. 
D)  sieve-tube elements. 
E)  sclerenchyma cells.

Question 7

Sclereids are sclerenchyma cells that are generally long and slender.

Accepted Answer

A) True 
 B)False

Question 8

The _____ is thought to supply the sieve-tube element with essential molecules.

Accepted Answer

A)  forisome 
B)  companion cell 
C)  P-protein body 
D)  sclereid 
E)  callose 
A)  forisome 
B)  companion cell 
C)  P-protein body 
D)  sclereid 
E)  callose

Question 9

Collenchyma is composed of elongated cells that have unevenly thickened primary walls.

Accepted Answer

A) True 
 B)False

Question 10

Albuminous cells are thought to have the same function as:

Accepted Answer

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

Question 11

Parenchyma cells are totipotent.

Accepted Answer

A) True 
 B)False

Question 12

Most of the growth of a plant body is the result of:

Accepted Answer

A)  morphogenesis. 
B)  embryogenesis. 
C)  differentiation. 
D)  cell division. 
E)  cell enlargement. 
A)  morphogenesis. 
B)  embryogenesis. 
C)  differentiation. 
D)  cell division. 
E)  cell enlargement.

Question 13

Parenchyma cells are usually dead at maturity.

Accepted Answer

A) True 
 B)False

Question 14

Tracheids are tracheary elements found in angiosperms but not gymnosperms.

Accepted Answer

A) True 
 B)False

Question 15

A companion cell and its associated sieve-tube element are derived from the same mother cell.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following statements about the shoot and root apical meristems is FALSE?

Accepted Answer

A)  They are perpetually young tissues or cells. 
B)  They are established during embryogenesis. 
C)  It is through their activity that most plant development occurs. 
D)  They lose the potential to divide soon after embryogenesis is complete. 
E)  They generate cells that give rise to roots, stems, leaves, and flowers. 
A)  They are perpetually young tissues or cells. 
B)  They are established during embryogenesis. 
C)  It is through their activity that most plant development occurs. 
D)  They lose the potential to divide soon after embryogenesis is complete. 
E)  They generate cells that give rise to roots, stems, leaves, and flowers.

Question 17

Which of the following is NOT part of the periderm?

Accepted Answer

A)  phellem 
B)  phellogen 
C)  phelloderm 
D)  epidermis 
E)  cork cambium 
A)  phellem 
B)  phellogen 
C)  phelloderm 
D)  epidermis 
E)  cork cambium

Question 18

In a eudicot stem, ______ is the ground tissue external to the system of vascular strands and ______ is the ground tissue internal to these strands.

Accepted Answer

A)  pith; cortex 
B)  cortex; pith 
C)  xylem; phloem 
D)  xylem; cortex 
E)  pith; phloem 
A)  pith; cortex 
B)  cortex; pith 
C)  xylem; phloem 
D)  xylem; cortex 
E)  pith; phloem

Question 19

The role of transfer cells is to:

Accepted Answer

A)  transport water and minerals throughout the plant. 
B)  facilitate the movement of solutes over short distances. 
C)  move sugars through the phloem. 
D)  transfer solutes from the cortex to the pith via rays. 
E)  increase the rate of water movement through stomata. 
A)  transport water and minerals throughout the plant. 
B)  facilitate the movement of solutes over short distances. 
C)  move sugars through the phloem. 
D)  transfer solutes from the cortex to the pith via rays. 
E)  increase the rate of water movement through stomata.

Question 20

Sieve elements must be living in order to transport food.

Accepted Answer

A) True 
 B)False

Exam 23: Cells and Tissues of the Plant Body

Which of the following statements about parenchyma cells is FALSE?

______ is the typical supporting tissue of growing stems, leaves, and floral parts.

In general, vascular tissues are embedded within ground tissue, and the dermal tissue forms a surrounding layer.

Which of the following is NOT a function of trichomes?

Forisomes can change from a resting stage to a dispersed stage.

The rays found in secondary vascular tissue consist of:

Sclereids are sclerenchyma cells that are generally long and slender.

The _____ is thought to supply the sieve-tube element with essential molecules.

Collenchyma is composed of elongated cells that have unevenly thickened primary walls.

Albuminous cells are thought to have the same function as:

Parenchyma cells are totipotent.

Most of the growth of a plant body is the result of:

Parenchyma cells are usually dead at maturity.

Tracheids are tracheary elements found in angiosperms but not gymnosperms.

A companion cell and its associated sieve-tube element are derived from the same mother cell.

Which of the following statements about the shoot and root apical meristems is FALSE?

Which of the following is NOT part of the periderm?

In a eudicot stem, ______ is the ground tissue external to the system of vascular strands and ______ is the ground tissue internal to these strands.

The role of transfer cells is to:

Sieve elements must be living in order to transport food.

Botany: an Introduction

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Movement of Substances Into and Out of Cells

The Flow of Energy

Respiration

Photosynthesis, Light, and Life

Sexual Reproduction and Heredity

The Chemistry of Heredity and Gene Expression

Recombinant Dna Technology, Plant Biotechnology, and Genomics

The Process of Evolution

Systematics: the Science of Biological Diversity

Prokaryotes and Viruses

Fungi

Protists: Algae and Heterotrophic Protists

Bryophytes

Seedless Vascular Plants

Gymnosperms

Introduction to the Angiosperms

Evolution of the Angiosperms

Plants and People

Early Development of the Plant Body

The Root: Structure and Development

The Shoot: Primary Structure and Development

Secondary Growth in Stems

Regulating Growth and Development: the Plant Hormones

External Factors and Plant Growth

Plant Nutrition and Soils

The Movement of Water and Solutes in Plants

The Dynamics of Communities and Ecosystems

Global Ecology

Filters

In a eudicot stem, is the ground tissue external to the system of vascular strands and is the ground tissue internal to these strands.