Question 1

Vascular tissue extends through the roots,stems,and leaves of the entire plant.

Accepted Answer

A) True 
 B)False  True

Question 2

We are very familiar with two things found in large woody plants,wood and bark.The wood is essentially made of ________ and the bark is essentially made of ________.

Accepted Answer

A) xylem; phloem and cork 
B) vascular tissue; epidermal tissue 
C) the cortex; the epidermis 
D) pith; collenchyma 
A) xylem; phloem and cork 
B) vascular tissue; epidermal tissue 
C) the cortex; the epidermis 
D) pith; collenchyma A

Question 3

Consider the possibility that we discover a gene that regulates both the amount of root hairs and where root hairs grow on a root tip.Since the surface area provided by root hairs is so critical to their uptake of water and nutrients,expanding their growth area seems a great advantage.However,which of these might be a problem?

Accepted Answer

A) Growth of root hairs in the zone of cell division would interfere with root cell proliferation. 
B) Growth of root hairs in the root cap would cause them to be shredded off since this area takes substantial abrasion. 
C) Growth of root hairs in the zone of elongation would cause them to be shredded off as they anchored in soil and the root lengthened. 
D) All of these choices pose a problem. 
A) Growth of root hairs in the zone of cell division would interfere with root cell proliferation. 
B) Growth of root hairs in the root cap would cause them to be shredded off since this area takes substantial abrasion. 
C) Growth of root hairs in the zone of elongation would cause them to be shredded off as they anchored in soil and the root lengthened. 
D) All of these choices pose a problem. D

Question 4

All of the following are specialized epidermal cells except

Accepted Answer

A) root hairs. 
B) trichomes. 
C) collenchyma. 
D) guard cells. 
A) root hairs. 
B) trichomes. 
C) collenchyma. 
D) guard cells.

Question 5

An insect destroying the ________ layer of tissues in a leaf would lead to a decrease in the ability of gas exchange within the leaf.

Accepted Answer

A) spongy mesophyll 
B) palisade mesophyll 
C) xylem 
D) epidermis 
E) cuticle 
A) spongy mesophyll 
B) palisade mesophyll 
C) xylem 
D) epidermis 
E) cuticle

Question 6

Which of the following tissue types are found only in the zone of cell division of the root tip?

Accepted Answer

A) xylem & phloem 
B) endodermis 
C) ground meristem 
D) None of these are restricted to just the zone of cell division of the root tip. 
E) All of these are restricted to the zone of cell division of the root tip. 
A) xylem & phloem 
B) endodermis 
C) ground meristem 
D) None of these are restricted to just the zone of cell division of the root tip. 
E) All of these are restricted to the zone of cell division of the root tip.

Question 7

If this structure were nibbled off by browsing deer it would decrease the potential for an increase in height of the plant.

Accepted Answer

A) The axillary bud. 
B) The bark. 
C) The terminal bud. 
D) The leaf scar. 
E) The stem. 
A) The axillary bud. 
B) The bark. 
C) The terminal bud. 
D) The leaf scar. 
E) The stem.

Question 8

Which of the meristems and tissues is (are)mismatched?

Accepted Answer

A) protoderm - vascular tissue 
B) ground meristem - ground tissue 
C) procambrium - epidermal tissue 
D) None of these are mismatched. 
E) protoderm - vascular tissue and procambrium - epidermal tissue are mismatched. 
A) protoderm - vascular tissue 
B) ground meristem - ground tissue 
C) procambrium - epidermal tissue 
D) None of these are mismatched. 
E) protoderm - vascular tissue and procambrium - epidermal tissue are mismatched.

Question 9

The root endodermis

Accepted Answer

A) forms a boundary between the cortex and inner vascular cylinder of the root. 
B) contains impermeable lignin and suberin called a Casparian strip that controls water and nutrient movement between adjacent cell walls. 
C) is two to three layers of spherical cells. 
D) All of the choices are true of root endodermis. 
E) forms a boundary between the cortex and inner vascular cylinder of the root and contains impermeable lignin and suberin called a Casparian strip that controls water and nutrient movement between adjacent cell walls is correct. 
A) forms a boundary between the cortex and inner vascular cylinder of the root. 
B) contains impermeable lignin and suberin called a Casparian strip that controls water and nutrient movement between adjacent cell walls. 
C) is two to three layers of spherical cells. 
D) All of the choices are true of root endodermis. 
E) forms a boundary between the cortex and inner vascular cylinder of the root and contains impermeable lignin and suberin called a Casparian strip that controls water and nutrient movement between adjacent cell walls is correct.

Question 10

Farmers have been able to genetically engineer a wide variety of crops that possess an enormous diversity of traits.If a farmer wanted to increase the ability of his crops to access ground water that is several meters below ground which type of root system would he want?

Accepted Answer

A) taproot 
B) prop roots 
C) fibrous roots 
D) pneumatophores 
E) aerial roots 
A) taproot 
B) prop roots 
C) fibrous roots 
D) pneumatophores 
E) aerial roots

Question 11

Which statement about leaves is NOT correct?

Accepted Answer

A) The epidermis is covered by a waxy layer of cuticle that reduces water loss. 
B) Gas exchange occurs through tiny openings in the leaf surface called stomates. 
C) Regulation of gas exchange through the leaf is the responsibility of the guard cells. 
D) Vascular tissue is arranged in a net pattern in dicots and a parallel pattern in monocots. 
E) In eudicots,the photosynthetic mesophyll is made up of an upper spongy layer and a lower palisade layer. 
A) The epidermis is covered by a waxy layer of cuticle that reduces water loss. 
B) Gas exchange occurs through tiny openings in the leaf surface called stomates. 
C) Regulation of gas exchange through the leaf is the responsibility of the guard cells. 
D) Vascular tissue is arranged in a net pattern in dicots and a parallel pattern in monocots. 
E) In eudicots,the photosynthetic mesophyll is made up of an upper spongy layer and a lower palisade layer.

Question 12

A fifteen-foot tree growing in a fence row is used as a fence post,to which barbed wire is stapled at a height of five feet.Years later,the tree is thirty feet high.The fence is

Accepted Answer

A) twenty feet up because it added fifteen feet to the original five-foot height. 
B) split because the trunk grew up but the bottom stayed at ground level. 
C) fifteen feet up because the tree doubled in height. 
D) twenty feet up,still ten feet from the top of the tree. 
E) approximately five feet up since a tree grows longer at the tips of its stem,branches and roots. 
A) twenty feet up because it added fifteen feet to the original five-foot height. 
B) split because the trunk grew up but the bottom stayed at ground level. 
C) fifteen feet up because the tree doubled in height. 
D) twenty feet up,still ten feet from the top of the tree. 
E) approximately five feet up since a tree grows longer at the tips of its stem,branches and roots.

Question 13

All of the following are taproots that are consumed as vegetables EXCEPT

Accepted Answer

A) carrots. 
B) celery. 
C) turnips. 
D) radishes. 
E) beets. 
A) carrots. 
B) celery. 
C) turnips. 
D) radishes. 
E) beets.

Question 14

Identify this plant as a monocot or eudicot after examining its stem and leaf.

Accepted Answer

A) This plant is a monocot. 
B) This plant is a dicot. 
C) Not enough information is provided to differentiate the plant as a monocot or dicot. 
A) This plant is a monocot. 
B) This plant is a dicot. 
C) Not enough information is provided to differentiate the plant as a monocot or dicot.

Question 15

Which of the following features are necessary to classify a plant as a monocot?

Accepted Answer

A) The plant will contain one cotyledon,have parallel veins in the leaves and the flowers will be in multiples of threes. 
B) The plant will contain two cotyledons,have parallel veins in the leaves and the flowers will be in multiples of threes. 
C) The plant will contain one cotyledon,have a netted vein pattern in the leaves and the flowers will be in multiples of threes. 
D) The plant will contain one cotyledon,have parallel veins in the leaves and the flowers will be in multiples of fours or fives. 
E) The plant will contain one cotyledon,have vascular bundles in a distinct ring and the flowers will be in multiples of threes. 
A) The plant will contain one cotyledon,have parallel veins in the leaves and the flowers will be in multiples of threes. 
B) The plant will contain two cotyledons,have parallel veins in the leaves and the flowers will be in multiples of threes. 
C) The plant will contain one cotyledon,have a netted vein pattern in the leaves and the flowers will be in multiples of threes. 
D) The plant will contain one cotyledon,have parallel veins in the leaves and the flowers will be in multiples of fours or fives. 
E) The plant will contain one cotyledon,have vascular bundles in a distinct ring and the flowers will be in multiples of threes.

Question 16

Lenticels are small openings on the underside of eudicot leaves where gaseous exchange occurs.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following statements is NOT correct about the arrangement of tissues in the eudicot root?

Accepted Answer

A) The specialized root tissues are seen at the zone of maturation. 
B) The epidermis of the root has no cuticle on its outer surface,unlike other epidermal tissues. 
C) The pericycle is the outer layer of cells in the vascular cylinder,with the ability to form secondary or branch roots. 
D) The star-shaped phloem is located in the center of the vascular cylinder,with xylem arranged between the arms of phloem. 
E) The Casparian strip is a waxy lining on four sides of the cells of the endodermis,which forces water into the endodermal cells. 
A) The specialized root tissues are seen at the zone of maturation. 
B) The epidermis of the root has no cuticle on its outer surface,unlike other epidermal tissues. 
C) The pericycle is the outer layer of cells in the vascular cylinder,with the ability to form secondary or branch roots. 
D) The star-shaped phloem is located in the center of the vascular cylinder,with xylem arranged between the arms of phloem. 
E) The Casparian strip is a waxy lining on four sides of the cells of the endodermis,which forces water into the endodermal cells.

Question 18

Which statement is NOT true about vascular tissue in plants?

Accepted Answer

A) In leaves,the vascular tissue is found in the leaf veins. 
B) In stems,the vascular tissue is found in the vascular bundles. 
C) Phloem cells are hollow and nonliving,and they form a continuous pipeline that transports sugars. 
D) Xylem cells are hollow and nonliving,and they form a continuous pipeline that transports water and minerals. 
E) In roots,the vascular tissue is found in the central vascular cylinder. 
A) In leaves,the vascular tissue is found in the leaf veins. 
B) In stems,the vascular tissue is found in the vascular bundles. 
C) Phloem cells are hollow and nonliving,and they form a continuous pipeline that transports sugars. 
D) Xylem cells are hollow and nonliving,and they form a continuous pipeline that transports water and minerals. 
E) In roots,the vascular tissue is found in the central vascular cylinder.

Question 19

Which of these plant tissue types is composed of cells with primary walls thickened at the corners that provide support for immature parts of the cell body?

Accepted Answer

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

Question 20

Monocot roots have centrally located ground tissue called pith,surrounded by a ring of xylem and phloem bundles.

Accepted Answer

A) True 
 B)False

Exam 24: Flowering Plants: Structure and Organization

Vascular tissue extends through the roots,stems,and leaves of the entire plant.

We are very familiar with two things found in large woody plants,wood and bark.The wood is essentially made of ________ and the bark is essentially made of ________.

All of the following are specialized epidermal cells except

An insect destroying the ________ layer of tissues in a leaf would lead to a decrease in the ability of gas exchange within the leaf.

Which of the following tissue types are found only in the zone of cell division of the root tip?

If this structure were nibbled off by browsing deer it would decrease the potential for an increase in height of the plant.

Which of the meristems and tissues is (are)mismatched?

The root endodermis

Farmers have been able to genetically engineer a wide variety of crops that possess an enormous diversity of traits.If a farmer wanted to increase the ability of his crops to access ground water that is several meters below ground which type of root system would he want?

Which statement about leaves is NOT correct?

A fifteen-foot tree growing in a fence row is used as a fence post,to which barbed wire is stapled at a height of five feet.Years later,the tree is thirty feet high.The fence is

All of the following are taproots that are consumed as vegetables EXCEPT

Identify this plant as a monocot or eudicot after examining its stem and leaf.

Which of the following features are necessary to classify a plant as a monocot?

Lenticels are small openings on the underside of eudicot leaves where gaseous exchange occurs.

Which of the following statements is NOT correct about the arrangement of tissues in the eudicot root?

Which statement is NOT true about vascular tissue in plants?

Which of these plant tissue types is composed of cells with primary walls thickened at the corners that provide support for immature parts of the cell body?

Monocot roots have centrally located ground tissue called pith,surrounded by a ring of xylem and phloem bundles.

A View of Life

Basic Chemistry

The Chemistry of Organic Molecules

Cell Structure and Function

Membrane Structure and Function

Metabolism: Energy and Enzymes

Photosynthesis

Cellular Respiration

The Cell Cycle and Cellular Reproduction

Meiosis and Sexual Reproduction

Mendelian Patterns of Inheritance

Molecular Biology of the Gene

Regulation of Gene Expression

Biotechnology and Genomics

Darwin and Evolution

How Populations Evolve

Speciation and Macroevolution

Origin and History of Life

Taxonomy,systematics,and Phylogeny

Viruses,bacteria,and Archaea

Protist Evolution and Diversity

Fungi Evolution and Diversity

Plant Evolution and Diversity

Flowering Plants: Nutrition and Transport

Flowering Plants: Control of Growth Responses

Flowering Plants: Reproduction

Invertebrate Evolution

Vertebrate Evolution

Human Evolution

Animal Organization and Homeostasis

Circulation and Cardiovascular Systems

The Lymphatic and Immune Systems

Digestive Systems and Nutrition

Respiratory Systems

Body Fluid Regulation and Excretory Systems

Neurons and Nervous Systems

Sense Organs

Locomotion and Support Systems

Hormones and Endocrine Systems

Reproductive Systems

Animal Development

Behavioral Ecology

Population Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

Conservation of Biodiversity

Filters

We are very familiar with two things found in large woody plants,wood and bark.The wood is essentially made of and the bark is essentially made of .