Question 1

The soft part of a plant body, such as a potato, consists largely of ____ tissue.

Accepted Answer

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

Question 2

In one sentence, explain how it is possible for genetically identical plant cells to become quite different from each other.

Accepted Answer

In the process of differential gene expr

Question 3

Which tissue system of the plant body is largely responsible for photosynthesis?

Accepted Answer

A)  ground tissue system 
B)  vascular tissue system 
C)  dermal tissue system 
D)  primary tissue system 
E)  secondary tissue system 
A)  ground tissue system 
B)  vascular tissue system 
C)  dermal tissue system 
D)  primary tissue system 
E)  secondary tissue system

Question 4

Which statement about meristematic tissue is true?

Accepted Answer

A)  It causes determinate growth in leaves and flowers. 
B)  It is found at the base of all stems and roots. 
C)  It is capable of continually dividing throughout the life of the plant. 
D)  Its cells differentiate soon after development. 
E)  Its cells are dead at functional maturity. 
A)  It causes determinate growth in leaves and flowers. 
B)  It is found at the base of all stems and roots. 
C)  It is capable of continually dividing throughout the life of the plant. 
D)  Its cells differentiate soon after development. 
E)  Its cells are dead at functional maturity.

Question 5

____, which are a cell type found in xylem, are extremely efficient in conducting water.

Accepted Answer

A)  Sieve tube elements 
B)  Companion cells 
C)  Tracheids 
D)  Sclereids 
E)  Vessel elements 
A)  Sieve tube elements 
B)  Companion cells 
C)  Tracheids 
D)  Sclereids 
E)  Vessel elements

Question 6

Vessel elements and tracheids, while differing slightly in structure, both conduct carbohydrates .

Accepted Answer

A) True 
 B)False

Question 7

When the microfibrils in the cell wall are oriented in the same direction, the cell will expand in a direction parallel to the microfibrils. 
____________________

Accepted Answer

A) True 
 B)False

Question 8

A root cap:

Accepted Answer

A)  protects the fragile meristematic cells at the root tip. 
B)  pushes the root tip deeper into the soil. 
C)  protects the cells located in the lateral meristem. 
D)  arises from the stem apical meristem. 
E)  will differentiate into primary tissues of the adult plant. 
A)  protects the fragile meristematic cells at the root tip. 
B)  pushes the root tip deeper into the soil. 
C)  protects the cells located in the lateral meristem. 
D)  arises from the stem apical meristem. 
E)  will differentiate into primary tissues of the adult plant.

Question 9

Which organelle increases in size, causing plant cells to elongate?

Accepted Answer

A)  chloroplast 
B)  mitochondrion 
C)  nucleus 
D)  ribosome 
E)  vacuole 
A)  chloroplast 
B)  mitochondrion 
C)  nucleus 
D)  ribosome 
E)  vacuole

Question 10

The extremely flexible tissue that provides support in soft, nonwoody plants and allows them to grow upward is:

Accepted Answer

A)  parenchyma tissue. 
B)  collenchyma tissue. 
C)  sclerenchyma tissue. 
D)  dermal tissue. 
E)  meristematic tissue. 
A)  parenchyma tissue. 
B)  collenchyma tissue. 
C)  sclerenchyma tissue. 
D)  dermal tissue. 
E)  meristematic tissue.

Question 11

The "strings" of celery are composed of sclerenchyma tissue. 
____________________

Accepted Answer

A) True 
 B)False

Question 12

In Arabidopsis , the monopteros gene regulates:

Accepted Answer

A)  positional effects in leaves. 
B)  the activity of the vascular cambium. 
C)  the differentiation of wounded parenchyma cells into tracheids. 
D)  apical-basal pattern formation. 
E)  the location of the preprophase band. 
A)  positional effects in leaves. 
B)  the activity of the vascular cambium. 
C)  the differentiation of wounded parenchyma cells into tracheids. 
D)  apical-basal pattern formation. 
E)  the location of the preprophase band.

Question 13

The secondary plant cell walls contain large amounts of lignin , which is a polymer of amino acids.

Accepted Answer

A) True 
 B)False

Exam 33: Plant Structure Growth and Development

The soft part of a plant body, such as a potato, consists largely of ____ tissue.

In one sentence, explain how it is possible for genetically identical plant cells to become quite different from each other.

Which tissue system of the plant body is largely responsible for photosynthesis?

Which statement about meristematic tissue is true?

____, which are a cell type found in xylem, are extremely efficient in conducting water.

Vessel elements and tracheids, while differing slightly in structure, both conduct carbohydrates .

When the microfibrils in the cell wall are oriented in the same direction, the cell will expand in a direction parallel to the microfibrils. ____________________

A root cap:

Which organelle increases in size, causing plant cells to elongate?

The extremely flexible tissue that provides support in soft, nonwoody plants and allows them to grow upward is:

The "strings" of celery are composed of sclerenchyma tissue. ____________________

In Arabidopsis , the monopteros gene regulates:

The secondary plant cell walls contain large amounts of lignin , which is a polymer of amino acids.

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

Leaf Structure and Function

Stem Structure and Transport

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

Filters