Question 1

An application of too much fertilizer will negatively affect the movement of materials in the phloem.

Accepted Answer

A) True 
 B)False

Question 2

A plant will usually wilt when which component of water potential reaches 0 MPa?

Accepted Answer

A) solute potential 
B) turgor pressure 
C) total water potential 
D) gravity potential 
A) solute potential 
B) turgor pressure 
C) total water potential 
D) gravity potential

Question 3

The process of moving water through a plant by transpiration works because water molecules stick to each other with

Accepted Answer

A) turgor pressure. 
B) osmosis. 
C) ionic bonds. 
D) adhesion. 
E) hydrogen bonds. 
A) turgor pressure. 
B) osmosis. 
C) ionic bonds. 
D) adhesion. 
E) hydrogen bonds.

Question 4

Some plants can tolerate flooding conditions by

Accepted Answer

A) formation of aerenchyma. 
B) opening their lenticels. 
C) forming additional adventitious roots. 
D) shedding their bark. 
E) pumping water out of their roots. 
A) formation of aerenchyma. 
B) opening their lenticels. 
C) forming additional adventitious roots. 
D) shedding their bark. 
E) pumping water out of their roots.

Question 5

Water may be lost in the form of liquid from the surface of leaves through a process known as

Accepted Answer

A) guttation. 
B) cohesion. 
C) phloem loading. 
D) mesophyll adhesion. 
E) aeration. 
A) guttation. 
B) cohesion. 
C) phloem loading. 
D) mesophyll adhesion. 
E) aeration.

Question 6

Which of the following must occur in order to maintain a high pressure potential within guard cells?

Accepted Answer

A) Potassium ions must be actively transported out. 
B) Energy must be constantly expended. 
C) Water must exit guard cells by osmosis. 
D) Stomata must take up more oxygen and less carbon dioxide. 
E) The rate of transpiration must increase. 
A) Potassium ions must be actively transported out. 
B) Energy must be constantly expended. 
C) Water must exit guard cells by osmosis. 
D) Stomata must take up more oxygen and less carbon dioxide. 
E) The rate of transpiration must increase.

Question 7

Water moves through a plant by each of the following methods except

Accepted Answer

A) from cell to cell through plasmodesmata. 
B) through the Casparian strip. 
C) through the spaces between cells. 
D) through vessel members. 
E) from cell to cell across plasma membranes. 
A) from cell to cell through plasmodesmata. 
B) through the Casparian strip. 
C) through the spaces between cells. 
D) through vessel members. 
E) from cell to cell across plasma membranes.

Question 8

The uneven distribution of an impermeable solute on either side of a membrane will result in

Accepted Answer

A) an increase in oxygen deprivation. 
B) proton pumping. 
C) root pressure. 
D) osmosis. 
E) stomatal closing. 
A) an increase in oxygen deprivation. 
B) proton pumping. 
C) root pressure. 
D) osmosis. 
E) stomatal closing.

Question 9

Some plants are able to endure frequent flooding events because they contain a tissue with loose parenchyma cells and large air spaces called

Accepted Answer

A) xylem. 
B) spongy mesophyll. 
C) pneumatophores. 
D) aerenchyma. 
E) epidermal tissue. 
A) xylem. 
B) spongy mesophyll. 
C) pneumatophores. 
D) aerenchyma. 
E) epidermal tissue.

Question 10

Most of the water absorbed by the plant enters through the

Accepted Answer

A) root apical meristem. 
B) root cap. 
C) root hairs. 
D) stomata. 
E) lenticels. 
A) root apical meristem. 
B) root cap. 
C) root hairs. 
D) stomata. 
E) lenticels.

Question 11

A decrease in the availability of ATP in a root cell could decrease the water potential of the cell.

Accepted Answer

A) True 
 B)False

Exam 36: Transport in Plants

An application of too much fertilizer will negatively affect the movement of materials in the phloem.

A plant will usually wilt when which component of water potential reaches 0 MPa?

The process of moving water through a plant by transpiration works because water molecules stick to each other with

Some plants can tolerate flooding conditions by

Water may be lost in the form of liquid from the surface of leaves through a process known as

Which of the following must occur in order to maintain a high pressure potential within guard cells?

Water moves through a plant by each of the following methods except

The uneven distribution of an impermeable solute on either side of a membrane will result in

Some plants are able to endure frequent flooding events because they contain a tissue with loose parenchyma cells and large air spaces called

Most of the water absorbed by the plant enters through the

A decrease in the availability of ATP in a root cell could decrease the water potential of the cell.

The Science of Biology

The Nature of Molecules and the Properties of Water

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes, mapping, and the Meiosisinheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics,phylogenies,and Comparative Biology

Genome Evolution

The Origin and Diversity of Life

Viruses

Prokaryotes

Protists

Seedless Plants

Seed Plants

Fungi

Animal Diversity and the Evolution of Body Plans

Protostomes

Deuterostomes

Plant Form

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

The Nervous System

Sensory Systems

The Endocrine System

The Musculoskeletal System

The Digestive System

The Respiratory System

The Circulatory System

Osmotic Regulation and the Urinary System

The Immune System

The Reproductive System

Animal Development

Behavioral Biology

Ecology of Individuals and Populations

Community Ecology

Dynamics of Ecosystems

The Biosphere and Human Impacts

Conservation Biology

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