Question 1

Which of the following examples demonstrates a mutualistic relationship?

Accepted Answer

A)  mycorrhizae 
B)  rhizobia and root nodules 
C)  soil fungus and soil bacteria 
D)  mistletoe and its host 
E)  Both mycorrhizae and rhizobial/root nodules. 
A)  mycorrhizae 
B)  rhizobia and root nodules 
C)  soil fungus and soil bacteria 
D)  mistletoe and its host 
E)  Both mycorrhizae and rhizobial/root nodules. E

Question 2

Which of the following elements is a micronutrient in plants?

Accepted Answer

A)  chlorine 
B)  hydrogen 
C)  potassium 
D)  calcium 
E)  magnesium 
A)  chlorine 
B)  hydrogen 
C)  potassium 
D)  calcium 
E)  magnesium A

Question 3

Which layer of cells controls the movement of nutrient minerals entering the xylem in the root's interior?

Accepted Answer

A)  endodermis 
B)  Casparian strip 
C)  epidermis 
D)  cortex 
E)  periderm 
A)  endodermis 
B)  Casparian strip 
C)  epidermis 
D)  cortex 
E)  periderm A

Question 4

Water, wind, and ice are agents of:

Accepted Answer

A)  erosion. 
B)  decomposition. 
C)  mineralization. 
D)  salinization. 
E)  soil pH. 
A)  erosion. 
B)  decomposition. 
C)  mineralization. 
D)  salinization. 
E)  soil pH.

Question 5

Rhizobia help plants meet their __________ by producing __________.

Accepted Answer

A)  nitrogen; NH3 
B)  phosphorus; PO4 
C)  potassium; K2O 
D)  nitrogen; NO3 
E)  phosphorus; ATP 
A)  nitrogen; NH3 
B)  phosphorus; PO4 
C)  potassium; K2O 
D)  nitrogen; NO3 
E)  phosphorus; ATP

Question 6

Roots that arise from branches or vertical stems, and that are used to support a plant in an upright position, are referred to as:

Accepted Answer

A)  prop roots. 
B)  contractile roots. 
C)  pneumatophores. 
D)  lateral roots. 
E)  tap roots. 
A)  prop roots. 
B)  contractile roots. 
C)  pneumatophores. 
D)  lateral roots. 
E)  tap roots.

Question 7

MATCHING
Match the root tissue with its description.
a.cortex
e.phloem
b.endodermis
f.pith
c.epidermis
g.xylem
d.pericycle
-found in monocots but not eudicots.

Accepted Answer

The answer of MATCHING
Match the root tissue with its description.
a.cortex
e.phloem
b.endodermis
f.pith
c.epidermis
g.xylem
d.pericycle
-found...

Question 8

MATCHING
Match the root tissue with its description.
a.cortex
e.phloem
b.endodermis
f.pith
c.epidermis
g.xylem
d.pericycle
-located in the center of a eudicot root

Accepted Answer

The answer of MATCHING
Match the root tissue with its description.
a.cortex
e.phloem
b.endodermis
f.pith
c.epidermis
g.xylem
d.pericycle
-located...

Question 9

MATCHING
Match the root tissue with its description.
a.cortex
e.phloem
b.endodermis
f.pith
c.epidermis
g.xylem
d.pericycle
-found outside the stele, its main function is storage

Accepted Answer

The answer of MATCHING
Match the root tissue with its description.
a.cortex
e.phloem
b.endodermis
f.pith
c.epidermis
g.xylem
d.pericycle
-found...

Question 10

A taproot system originates from an enlarging:

Accepted Answer

A)  adventitious root. 
B)  lateral root. 
C)  root cap. 
D)  root hair. 
E)  radicle. 
A)  adventitious root. 
B)  lateral root. 
C)  root cap. 
D)  root hair. 
E)  radicle.

Question 11

Diagram and label a cross section of a primary eudicot root.Identify the function of three of the labeled tissues.

Accepted Answer

The diagram should resemble an amalgamat

Question 12

Figure 36-1
Use the figure to answer the corresponding question(s).  
-Refer to Figure 36-1.During the development of secondary vascular tissues, which of the following structures does not become incorporated into the periderm?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 13

Root hairs:

Accepted Answer

A)  protect the delicate cells of the apical meristem. 
B)  help orient the root so it will grow downward. 
C)  increase the capacity of roots to absorb water. 
D)  are sparse and extremely long. 
E)  are located at each node on the root. 
A)  protect the delicate cells of the apical meristem. 
B)  help orient the root so it will grow downward. 
C)  increase the capacity of roots to absorb water. 
D)  are sparse and extremely long. 
E)  are located at each node on the root.

Question 14

In woody plants, the root epidermis is replaced by periderm.
____________________

Accepted Answer

A) True 
 B)False

Question 15

The nodules found in the roots of legumes characteristically contain mycorrhizae.
____________________

Accepted Answer

A) True 
 B)False

Question 16

Why are living organisms such an important component of soil?

Accepted Answer

Concepts to Consider: Bacteria and fungi

Question 17

An example of a micronutrient is phosphorus.
____________________

Accepted Answer

A) True 
 B)False

Question 18

MATCHING
Match the root tissue with its description.
a.cortex
e.phloem
b.endodermis
f.pith
c.epidermis
g.xylem
d.pericycle
-develops into vascular cambium outside the xylem arms

Accepted Answer

The answer of MATCHING
Match the root tissue with its description.
a.cortex
e.phloem
b.endodermis
f.pith
c.epidermis
g.xylem
d.pericycle
-develops...

Question 19

Which of the following elements is a macronutrient in plants?

Accepted Answer

A)  sodium 
B)  calcium 
C)  manganese 
D)  zinc 
E)  copper 
A)  sodium 
B)  calcium 
C)  manganese 
D)  zinc 
E)  copper

Question 20

The water balance problem of plants living in salty soil is the result of:

Accepted Answer

A)  water moving out of plant roots by osmosis. 
B)  extensive leaching. 
C)  a low soil pH. 
D)  low concentrations of micronutrients. 
E)  excessive run off. 
A)  water moving out of plant roots by osmosis. 
B)  extensive leaching. 
C)  a low soil pH. 
D)  low concentrations of micronutrients. 
E)  excessive run off.

Exam 36: Roots and Mineral Nutrition

Which of the following examples demonstrates a mutualistic relationship?

Which of the following elements is a micronutrient in plants?

Which layer of cells controls the movement of nutrient minerals entering the xylem in the root's interior?

Water, wind, and ice are agents of:

Rhizobia help plants meet their __________ by producing __________.

Roots that arise from branches or vertical stems, and that are used to support a plant in an upright position, are referred to as:

MATCHING Match the root tissue with its description. a.cortex e.phloem b.endodermis f.pith c.epidermis g.xylem d.pericycle -found in monocots but not eudicots.

MATCHING Match the root tissue with its description. a.cortex e.phloem b.endodermis f.pith c.epidermis g.xylem d.pericycle -located in the center of a eudicot root

MATCHING Match the root tissue with its description. a.cortex e.phloem b.endodermis f.pith c.epidermis g.xylem d.pericycle -found outside the stele, its main function is storage

A taproot system originates from an enlarging:

Diagram and label a cross section of a primary eudicot root.Identify the function of three of the labeled tissues.

Figure 36-1 Use the figure to answer the corresponding question(s). -Refer to Figure 36-1.During the development of secondary vascular tissues, which of the following structures does not become incorporated into the periderm?

Root hairs:

In woody plants, the root epidermis is replaced by periderm. ____________________

The nodules found in the roots of legumes characteristically contain mycorrhizae. ____________________

Why are living organisms such an important component of soil?

An example of a micronutrient is phosphorus. ____________________

MATCHING Match the root tissue with its description. a.cortex e.phloem b.endodermis f.pith c.epidermis g.xylem d.pericycle -develops into vascular cambium outside the xylem arms

Which of the following elements is a macronutrient in plants?

The water balance problem of plants living in salty soil is the result of:

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

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

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

Rhizobia help plants meet their by producing .