Question 1

Roses and other broad-leaved flowering plants are examples of

Accepted Answer

A)  monocots. 
B)  eudicots. 
C)  bryophytes. 
D)  pteridophytes. 
E)  gymnosperms. 
A)  monocots. 
B)  eudicots. 
C)  bryophytes. 
D)  pteridophytes. 
E)  gymnosperms.

Question 2

The repeating unit from which the shoots of flowering plants are constructed is called a

Accepted Answer

A)  bud. 
B)  stem. 
C)  node. 
D)  polymer. 
E)  phytomer. 
A)  bud. 
B)  stem. 
C)  node. 
D)  polymer. 
E)  phytomer.

Question 3

Cork cells in a tree trunk prevent water loss because of the presence of

Accepted Answer

A)  cutin. 
B)  lignin. 
C)  suberin. 
D)  cerumen. 
E)  mucopolysaccharide. 
A)  cutin. 
B)  lignin. 
C)  suberin. 
D)  cerumen. 
E)  mucopolysaccharide.

Question 4

The presence of many _______ in a plant root allows the root to take up large quantities of water and dissolved nutrients.

Accepted Answer

A)  trichomes 
B)  stomata 
C)  root hairs 
D)  fibers 
E)  sclereids 
A)  trichomes 
B)  stomata 
C)  root hairs 
D)  fibers 
E)  sclereids

Question 5

Which type of structure is not composed of ground tissue?

Accepted Answer

A)  Bark 
B)  Wood 
C)  Xylem 
D)  Fibers 
E)  Storage structures 
A)  Bark 
B)  Wood 
C)  Xylem 
D)  Fibers 
E)  Storage structures

Question 6

What is the function of the companion cells adjacent to sieve tube elements?

Accepted Answer

A)  They provide support. 
B)  They help in phloem cell reproduction. 
C)  They provide water and nutrients to the phloem. 
D)  They store sugars until phloem cells can receive them. 
E)  They perform many of the phloem's metabolic functions. 
A)  They provide support. 
B)  They help in phloem cell reproduction. 
C)  They provide water and nutrients to the phloem. 
D)  They store sugars until phloem cells can receive them. 
E)  They perform many of the phloem's metabolic functions.

Question 7

An organism is undergoing development.Its cells migrate to different locations,forming three tissue layers that will eventually differentiate into organs.Is this organism most likely a plant or an animal,and why?

Accepted Answer

A)  Plant,because its cells are able to migrate 
B)  Animal,because its cells are able to migrate 
C)  Plant,because its cells form into three tissue layers 
D)  Animal,because its cells form into three tissue layers 
E)  Could be either;distinctions begin to occur later in development 
A)  Plant,because its cells are able to migrate 
B)  Animal,because its cells are able to migrate 
C)  Plant,because its cells form into three tissue layers 
D)  Animal,because its cells form into three tissue layers 
E)  Could be either;distinctions begin to occur later in development

Question 8

The root endodermis is able to control the flow of water and minerals entering the root's vascular tissue system because it contains

Accepted Answer

A)  lignin. 
B)  suberin. 
C)  xylem. 
D)  phloem. 
E)  plasmodesmata. 
A)  lignin. 
B)  suberin. 
C)  xylem. 
D)  phloem. 
E)  plasmodesmata.

Question 9

The outer layer of a cactus plant that protects it against both water loss and pathogens is called the

Accepted Answer

A)  cuticle. 
B)  stomata. 
C)  epidermis. 
D)  pericycle. 
E)  ground tissue. 
A)  cuticle. 
B)  stomata. 
C)  epidermis. 
D)  pericycle. 
E)  ground tissue.

Question 10

Cork cambium and cork together constitute a tissue known as periderm,which is classified as

Accepted Answer

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

Question 11

Plants can repair damaged tissues because they have

Accepted Answer

A)  meristems. 
B)  stem cells. 
C)  vascular tissue. 
D)  stored tissues. 
E)  determinate growth. 
A)  meristems. 
B)  stem cells. 
C)  vascular tissue. 
D)  stored tissues. 
E)  determinate growth.

Question 12

A group of scientists is developing a computer model of a "virtual plant root" to study the development of plant roots and their responses to changes in environmental factors.Currently they are studying the effects of different levels of soil moisture,nutrients,and salt.Later they will combine studies of root models with models of shoot and leaf function.These studies would likely be most useful in

Accepted Answer

A)  comparing root model function to actual root function. 
B)  developing plants that can be computer-controlled. 
C)  comparing root function to shoot and leaf functions. 
D)  developing new drought-resistant crops. 
E)  determining methods to increase rates of root nutrient uptake. 
A)  comparing root model function to actual root function. 
B)  developing plants that can be computer-controlled. 
C)  comparing root function to shoot and leaf functions. 
D)  developing new drought-resistant crops. 
E)  determining methods to increase rates of root nutrient uptake.

Question 13

During the later stages of plant embryogenesis,as the three tissue systems develop,the shape of the plant changes to express

Accepted Answer

A)  a radial axis with lateral growth. 
B)  a radial axis and a cylindrical form. 
C)  a radial axis and a spherical form. 
D)  an apical‒basal axis and a cylindrical form. 
E)  an apical‒basal axis and a spherical form. 
A)  a radial axis with lateral growth. 
B)  a radial axis and a cylindrical form. 
C)  a radial axis and a spherical form. 
D)  an apical‒basal axis and a cylindrical form. 
E)  an apical‒basal axis and a spherical form.

Question 14

Which factor is not an adaptation of leaves that helps support photosynthesis?

Accepted Answer

A)  Ability to minimize water loss 
B)  Ability to orient toward the light 
C)  Ability to exchange gases with the environment 
D)  Structures to store the sugars produced 
E)  Vascular system to export sugars throughout the plant 
A)  Ability to minimize water loss 
B)  Ability to orient toward the light 
C)  Ability to exchange gases with the environment 
D)  Structures to store the sugars produced 
E)  Vascular system to export sugars throughout the plant

Question 15

The property of totipotency is important to plants because it

Accepted Answer

A)  enables rapid growth. 
B)  prevents apoptosis,or cell death. 
C)  enables specialization of plant cells. 
D)  enables cells to switch back and forth between identities. 
E)  enables a plant to repair environmental or herbivore damage. 
A)  enables rapid growth. 
B)  prevents apoptosis,or cell death. 
C)  enables specialization of plant cells. 
D)  enables cells to switch back and forth between identities. 
E)  enables a plant to repair environmental or herbivore damage.

Question 16

Kale,broccoli,cabbage,and cauliflower are derived from how many different wild species?

Accepted Answer

A)  One 
B)  Two 
C)  Three 
D)  Four 
E)  Five 
A)  One 
B)  Two 
C)  Three 
D)  Four 
E)  Five

Question 17

Wood and bark are created by

Accepted Answer

A)  a speeding up of primary growth. 
B)  the growth of the two lateral meristems. 
C)  extensive water loss by stem tissues. 
D)  the secretion of hardening substances such as lignin. 
E)  the replacement of primary growth by secondary growth. 
A)  a speeding up of primary growth. 
B)  the growth of the two lateral meristems. 
C)  extensive water loss by stem tissues. 
D)  the secretion of hardening substances such as lignin. 
E)  the replacement of primary growth by secondary growth.

Question 18

The first mitotic division of the zygote establishes what feature or features of the developing plant?

Accepted Answer

A)  Root system 
B)  Major organs 
C)  Cotyledons 
D)  Apical-basal axis and polarity 
E)  Shoot and root apical meristems 
A)  Root system 
B)  Major organs 
C)  Cotyledons 
D)  Apical-basal axis and polarity 
E)  Shoot and root apical meristems

Question 19

Lianas are vines that are rooted in the ground in rainforests.They have many adaptations for attaching to trees and climbing into the canopy,where they produce many leaves and spread horizontally.These adaptations are most essential in helping lianas to

Accepted Answer

A)  avoid herbivory. 
B)  compete for water. 
C)  find light for photosynthesis. 
D)  save energy during growth. 
E)  reproduce efficiently. 
A)  avoid herbivory. 
B)  compete for water. 
C)  find light for photosynthesis. 
D)  save energy during growth. 
E)  reproduce efficiently.

Question 20

Which specialized structures enable gas exchange and allow water to move in and out of the plant?

Accepted Answer

A)  Stomata 
B)  Trichomes 
C)  Cutin 
D)  Meristems 
E)  Vessels 
A)  Stomata 
B)  Trichomes 
C)  Cutin 
D)  Meristems 
E)  Vessels

Exam 24: The Plant Body

Roses and other broad-leaved flowering plants are examples of

The repeating unit from which the shoots of flowering plants are constructed is called a

Cork cells in a tree trunk prevent water loss because of the presence of

The presence of many _______ in a plant root allows the root to take up large quantities of water and dissolved nutrients.

Which type of structure is not composed of ground tissue?

What is the function of the companion cells adjacent to sieve tube elements?

An organism is undergoing development.Its cells migrate to different locations,forming three tissue layers that will eventually differentiate into organs.Is this organism most likely a plant or an animal,and why?

The root endodermis is able to control the flow of water and minerals entering the root's vascular tissue system because it contains

The outer layer of a cactus plant that protects it against both water loss and pathogens is called the

Cork cambium and cork together constitute a tissue known as periderm,which is classified as

Plants can repair damaged tissues because they have

During the later stages of plant embryogenesis,as the three tissue systems develop,the shape of the plant changes to express

Which factor is not an adaptation of leaves that helps support photosynthesis?

The property of totipotency is important to plants because it

Kale,broccoli,cabbage,and cauliflower are derived from how many different wild species?

Wood and bark are created by

The first mitotic division of the zygote establishes what feature or features of the developing plant?

Lianas are vines that are rooted in the ground in rainforests.They have many adaptations for attaching to trees and climbing into the canopy,where they produce many leaves and spread horizontally.These adaptations are most essential in helping lianas to

Which specialized structures enable gas exchange and allow water to move in and out of the plant?

Introduction

The Chemistry and Energy of Life

Nucleic Acids, Proteins, and Enzymes

Cells: the Working Units of Life

Cell Membranes and Signaling

Pathways That Harvest and Store Chemical Energy

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

DNA and Its Role in Heredity

From Dna to Protein: Gene Expression

Regulation of Gene Expression

Genomes

Biotechnology

Genes, Development, and Evolution

Processes of Evolution

Reconstructing and Using Phylogenies

Speciation

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

The Evolution of Plants

The Evolution and Diversity of Fungi

Animal Origins and Diversity

Plant Nutrition and Transport

Plant Growth and Development

Reproduction of Flowering Plants

Plants in the Environment

Fundamentals of Animal Function

Nutrition and Digestion

Breathing

Circulation

Muscle and Movement

Neurons, Sense Organs, and Nervous Systems

Nervous and Endocrine Control

Water and Salts: Excretion

Animal Reproduction

Animal Development

Immunology: Animal Defense Systems

Animal Behavior

The Distribution of Earths Ecological Systems

Populations

Ecological and Evolutionary Consequences of Interactions Within and Among Species

Ecological Communities

The Global Ecosystem

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