Question 1

The __________ is involved in forming the lateral meristems that produce secondary growth in woody roots.

Accepted Answer

A)  endodermis 
B)  periderm 
C)  cortex 
D)  vascular cambium 
E)  pericycle 
A)  endodermis 
B)  periderm 
C)  cortex 
D)  vascular cambium 
E)  pericycle

Question 2

Figure 36-2
Use the figure to answer the corresponding question(s).  
-Refer to Figure 36-2.Absorption of positively charged mineral ions by the root is facilitated by:

Accepted Answer

A)  the movement of clay particles into the root hair. 
B)  the movement of water into the root hair. 
C)  the movement of protons into the root hair. 
D)  the movement of protons out of the root hair. 
E)  the movement of Mg+ out of the root hair. 
A)  the movement of clay particles into the root hair. 
B)  the movement of water into the root hair. 
C)  the movement of protons into the root hair. 
D)  the movement of protons out of the root hair. 
E)  the movement of Mg+ out of the root hair.

Question 3

Prop roots are more common in:

Accepted Answer

A)  annuals. 
B)  eudicots. 
C)  monocots. 
D)  epiphytes. 
E)  parasitic plants. 
A)  annuals. 
B)  eudicots. 
C)  monocots. 
D)  epiphytes. 
E)  parasitic plants.

Question 4

The large intercellular spaces, which are common features of the root cortex, provide:

Accepted Answer

A)  a pathway for water uptake. 
B)  aeration of the root. 
C)  structural support. 
D)  protection. 
E)  Both aeration and a pathway for water uptake 
A)  a pathway for water uptake. 
B)  aeration of the root. 
C)  structural support. 
D)  protection. 
E)  Both aeration and a pathway for water uptake

Question 5

Which of the following statements about root cap is FALSE?

Accepted Answer

A)  It protects the delicate root apical meristem 
B)  It secretes lubricating polysaccharides 
C)  It orients the root that it grows downward 
D)  It loses cells during root growth. 
E)  It absorbs nutrients. 
A)  It protects the delicate root apical meristem 
B)  It secretes lubricating polysaccharides 
C)  It orients the root that it grows downward 
D)  It loses cells during root growth. 
E)  It absorbs nutrients.

Question 6

Figure 36-2
Use the figure to answer the corresponding question(s).  
-The process illustrated in Figure 36-2 is known as:

Accepted Answer

A)  humus formation. 
B)  weathering. 
C)  cation exchange. 
D)  soil erosion. 
E)  salinization. 
A)  humus formation. 
B)  weathering. 
C)  cation exchange. 
D)  soil erosion. 
E)  salinization.

Question 7

Plants connected by mycorrhizal fungi:

Accepted Answer

A)  must be of the same species. 
B)  can only exchange carbon dioxide in one direction. 
C)  are an excellent example of a parasitic relationship. 
D)  compete for light. 
E)  exchange organic materials in both directions. 
A)  must be of the same species. 
B)  can only exchange carbon dioxide in one direction. 
C)  are an excellent example of a parasitic relationship. 
D)  compete for light. 
E)  exchange organic materials in both directions.

Question 8

The ground tissue lacking in the primary eudicot root is:

Accepted Answer

A)  pith 
B)  periderm 
C)  cortex 
D)  vascular cambium 
E)  pericycle 
A)  pith 
B)  periderm 
C)  cortex 
D)  vascular cambium 
E)  pericycle

Question 9

Figure 36-2
Use the figure to answer the corresponding question(s).  
-Ideal agricultural soil is:

Accepted Answer

A)  loam. 
B)  silt loam. 
C)  sandy loam. 
D)  clay loam. 
E)  sandy. 
A)  loam. 
B)  silt loam. 
C)  sandy loam. 
D)  clay loam. 
E)  sandy.

Question 10

The symplast connects of the interconnected cell walls.
____________________

Accepted Answer

A) True 
 B)False

Question 11

One function of roots is:

Accepted Answer

A)  absorption of dissolved sugars for use by the plant. 
B)  photosynthesis. 
C)  storage of food reserves. 
D)  sexual reproduction. 
E)  production of micronutrients. 
A)  absorption of dissolved sugars for use by the plant. 
B)  photosynthesis. 
C)  storage of food reserves. 
D)  sexual reproduction. 
E)  production of micronutrients.

Question 12

The root cortex is composed mostly of collenchyma cells.
____________________

Accepted Answer

A) True 
 B)False

Question 13

The bulk of an herbaceous eudicot root consists of loosely arranged parenchyma cells in the:

Accepted Answer

A)  endodermis. 
B)  pericycle. 
C)  epidermis. 
D)  cortex. 
E)  periderm. 
A)  endodermis. 
B)  pericycle. 
C)  epidermis. 
D)  cortex. 
E)  periderm.

Question 14

Root hair development is under the control of two genes that code for transcription factors.
____________________

Accepted Answer

A) True 
 B)False

Question 15

MATCHING
Match the root tissue with its description.
a.cortex
e.phloem
b.endodermis
f.pith
c.epidermis
g.xylem
d.pericycle
-the specific tissue that contains Casparian strips

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
-the...

Question 16

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

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
-has...

Question 17

Which of the following statements about the pericycle is false?

Accepted Answer

A)  It gives rise to branch roots. 
B)  It is a single layer of cells inside the endodermis. 
C)  It is composed of parenchyma cells. 
D)  Upon maturation, its cells lose their ability to divide. 
E)  It is involved in the formation of lateral meristems. 
A)  It gives rise to branch roots. 
B)  It is a single layer of cells inside the endodermis. 
C)  It is composed of parenchyma cells. 
D)  Upon maturation, its cells lose their ability to divide. 
E)  It is involved in the formation of lateral meristems.

Question 18

Hydroponics refers to the growing of plants in aerated water rather than soil.
____________________

Accepted Answer

A) True 
 B)False

Question 19

Water flowing inward through the endodermis moves next into the pericycle.
____________________

Accepted Answer

A) True 
 B)False

Question 20

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

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
-the...

Exam 36: Roots and Mineral Nutrition

The __________ is involved in forming the lateral meristems that produce secondary growth in woody roots.

Figure 36-2 Use the figure to answer the corresponding question(s). -Refer to Figure 36-2.Absorption of positively charged mineral ions by the root is facilitated by:

Prop roots are more common in:

The large intercellular spaces, which are common features of the root cortex, provide:

Which of the following statements about root cap is FALSE?

Figure 36-2 Use the figure to answer the corresponding question(s). -The process illustrated in Figure 36-2 is known as:

Plants connected by mycorrhizal fungi:

The ground tissue lacking in the primary eudicot root is:

Figure 36-2 Use the figure to answer the corresponding question(s). -Ideal agricultural soil is:

The symplast connects of the interconnected cell walls. ____________________

One function of roots is:

The root cortex is composed mostly of collenchyma cells. ____________________

The bulk of an herbaceous eudicot root consists of loosely arranged parenchyma cells in the:

Root hair development is under the control of two genes that code for transcription factors. ____________________

MATCHING Match the root tissue with its description. a.cortex e.phloem b.endodermis f.pith c.epidermis g.xylem d.pericycle -the specific tissue that contains Casparian strips

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

Which of the following statements about the pericycle is false?

Hydroponics refers to the growing of plants in aerated water rather than soil. ____________________

Water flowing inward through the endodermis moves next into the pericycle. ____________________

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

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

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