Question 1

Which list correctly orders soil particles in increasing diameter?

Accepted Answer

A)  Clay, sand, silt 
B)  Clay, silt, sand 
C)  Silt, sand, clay 
D)  Silt, clay, sand 
E)  sand, silt, clay 
A)  Clay, sand, silt 
B)  Clay, silt, sand 
C)  Silt, sand, clay 
D)  Silt, clay, sand 
E)  sand, silt, clay

Question 2

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)  Its cells lose their ability to divide upon maturation. 
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)  Its cells lose their ability to divide upon maturation. 
E)  It is involved in the formation of lateral meristems.

Question 3

Which crops can be easily grown hydroponically?

Accepted Answer

A)  Potatoes 
B)  Carrots 
C)  Corn 
D)  Lettuce 
E)  Zucchini 
A)  Potatoes 
B)  Carrots 
C)  Corn 
D)  Lettuce 
E)  Zucchini

Question 4

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 5

Cation exchange between soil particles and root hairs is the process in which:

Accepted Answer

A)  protons are exchanged for positively charged mineral ions. 
B)  electrons are exchanged for positively charged mineral ions. 
C)  protons are exchanged for negatively charged mineral ions. 
D)  electrons are exchanged for negatively charged mineral ions. 
E)  water is exchanged for positively charged mineral ions. 
A)  protons are exchanged for positively charged mineral ions. 
B)  electrons are exchanged for positively charged mineral ions. 
C)  protons are exchanged for negatively charged mineral ions. 
D)  electrons are exchanged for negatively charged mineral ions. 
E)  water is exchanged for positively charged mineral ions.

Question 6

Plants that are adapted to growing in flooded soils that are depleted of oxygen have:

Accepted Answer

A)  aerial roots. 
B)  contractile roots. 
C)  pneumatophores. 
D)  prop roots. 
E)  buttress roots. 
A)  aerial roots. 
B)  contractile roots. 
C)  pneumatophores. 
D)  prop roots. 
E)  buttress roots.

Question 7

The outermost layer of the stele is the pericycle.

Accepted Answer

A) True 
 B)False

Question 8

Rhizobia take ____ from the air and convert it into ____.

Accepted Answer

A)  N2; NH3 
B)  CO2; C6H12O6 
C)  O2; H2O 
D)  NH3; NO3 
E)  P; ATP 
A)  N2; NH3 
B)  CO2; C6H12O6 
C)  O2; H2O 
D)  NH3; NO3 
E)  P; ATP

Question 9

Differentiate between the following specialized roots. 
 A. Prop root 
 
 B. Buttress root 
 
 C. Pneumatophore 
 
 D. Storage root 
 
 E. Photosynthetic root

Accepted Answer

Concepts to Consider: Prop root-develops

Question 10

Buttress roots help trees obtain oxygen from flooded soil.

Accepted Answer

A) True 
 B)False

Question 11

The symplast:

Accepted Answer

A)  greatly increases the surface area of the root. 
B)  is a waterproof band surrounding the endodermis. 
C)  is a continuum of living cytoplasm. 
D)  secretes suberin, which waterproofs the cells. 
E)  allows nutrient minerals to move against their concentration gradient. 
A)  greatly increases the surface area of the root. 
B)  is a waterproof band surrounding the endodermis. 
C)  is a continuum of living cytoplasm. 
D)  secretes suberin, which waterproofs the cells. 
E)  allows nutrient minerals to move against their concentration gradient.

Question 12

Figure 36-2 ​
 
The process illustrated in the accompanying figure 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 13

An example of a micronutrient is phosphorus.

Accepted Answer

A) True 
 B)False

Question 14

Which statement with regard to pore spaces is false ?

Accepted Answer

A)  Minerals are removed from soil via leaching. 
B)  Water is held in the smaller pores, and air is found in the larger pores. 
C)  They occupy approximately 50% of a soil's volume. 
D)  They typically contain more carbon dioxide than found in the atmosphere. 
E)  Immediately after a heavy rain, most pore spaces remain filled with air. 
A)  Minerals are removed from soil via leaching. 
B)  Water is held in the smaller pores, and air is found in the larger pores. 
C)  They occupy approximately 50% of a soil's volume. 
D)  They typically contain more carbon dioxide than found in the atmosphere. 
E)  Immediately after a heavy rain, most pore spaces remain filled with air.

Question 15

What three elements are most often limiting factors for plant growth?

Accepted Answer

A)  Carbon, potassium, and magnesium 
B)  Carbon, oxygen, and nitrogen 
C)  Hydrogen, magnesium, and oxygen 
D)  Sulfur, calcium, and nitrogen 
E)  Nitrogen, phosphorus, and potassium 
A)  Carbon, potassium, and magnesium 
B)  Carbon, oxygen, and nitrogen 
C)  Hydrogen, magnesium, and oxygen 
D)  Sulfur, calcium, and nitrogen 
E)  Nitrogen, phosphorus, and potassium

Question 16

Match between columns
                        Premises: Involved in photosynthesis

Accepted Answer

The Answer of Zinc and Copper and Molybdenum and Iron is...

Question 17

Roots of many plants in arid regions store ______:

Accepted Answer

A)  amino acids 
B)  water 
C)  carbon dioxide 
D)  oxygen 
E)  fats 
A)  amino acids 
B)  water 
C)  carbon dioxide 
D)  oxygen 
E)  fats

Question 18

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 19

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 20

Figure 36-1 Use the figure to answer the corresponding question(s). ​
 
Refer to the accompanying figure. During the development of secondary vascular tissues, which of the following structures is replaced by periderm?

Accepted Answer

A)  1 
B)  3 
C)  5 
D)  6 
E)  7 
A)  1 
B)  3 
C)  5 
D)  6 
E)  7

Exam 36: Roots and Mineral Nutrition

Which list correctly orders soil particles in increasing diameter?

Which of the following statements about the pericycle is false ?

Which crops can be easily grown hydroponically?

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

Cation exchange between soil particles and root hairs is the process in which:

Plants that are adapted to growing in flooded soils that are depleted of oxygen have:

The outermost layer of the stele is the pericycle.

Rhizobia take ____ from the air and convert it into ____.

Differentiate between the following specialized roots. A. Prop root B. Buttress root C. Pneumatophore D. Storage root E. Photosynthetic root

Buttress roots help trees obtain oxygen from flooded soil.

The symplast:

Figure 36-2 ​ The process illustrated in the accompanying figure is known as:

An example of a micronutrient is phosphorus.

Which statement with regard to pore spaces is false ?

What three elements are most often limiting factors for plant growth?

Roots of many plants in arid regions store ______:

Plants connected by mycorrhizal fungi:

The ground tissue lacking in the primary eudicot root is:

Figure 36-1 Use the figure to answer the corresponding question(s). ​ Refer to the accompanying figure. During the development of secondary vascular tissues, which of the following structures is replaced by periderm?

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 take from the air and convert it into .

Figure 36-2 The process illustrated in the accompanying figure is known as:

Figure 36-1 Use the figure to answer the corresponding question(s). Refer to the accompanying figure. During the development of secondary vascular tissues, which of the following structures is replaced by periderm?