Question 1

Which pair demonstrates a mutualistic relationship?

Accepted Answer

A)  orchid and its host 
B)  rhizobia and strawberry plants 
C)  soil fungus and soil bacteria 
D)  mistletoe and its host 
E)  mychorrhizae and roots 
A)  orchid and its host 
B)  rhizobia and strawberry plants 
C)  soil fungus and soil bacteria 
D)  mistletoe and its host 
E)  mychorrhizae and roots

Question 2

The center of a primary eudicot root is known as the:

Accepted Answer

A)  phloem. 
B)  symplast. 
C)  cortex. 
D)  pericycle. 
E)  stele. 
A)  phloem. 
B)  symplast. 
C)  cortex. 
D)  pericycle. 
E)  stele.

Question 3

Epiphytes have ____ that anchor the plants to the surface on which they grow.

Accepted Answer

A)  pneumatophores 
B)  buttress roots 
C)  prop roots 
D)  aerial roots 
E)  root hairs 
A)  pneumatophores 
B)  buttress roots 
C)  prop roots 
D)  aerial roots 
E)  root hairs

Question 4

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

Question 5

The partly decayed organic portion of soil is called:

Accepted Answer

A)  silt. 
B)  clay. 
C)  sand. 
D)  humus. 
E)  castings. 
A)  silt. 
B)  clay. 
C)  sand. 
D)  humus. 
E)  castings.

Question 6

Match between columns
                        Premises: involves ionic balance
in photosynthetic enzymes
in respiration enzymes and nitrogen metabolism enzymes
involved in photosynthesis
in enzymes and electron transport molecules
in nitrogen metabolism enzymes

Accepted Answer

The Answer of iron and copper and chlorine and molybdenum is...

Question 7

The large intercellular spaces, 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)  aeration and a pathway for water uptake 
A)  a pathway for water uptake. 
B)  aeration of the root. 
C)  structural support. 
D)  protection. 
E)  aeration and a pathway for water uptake

Question 8

Root hairs are:

Accepted Answer

A)  flattened extensions of epidermal cells. 
B)  formed once in the area of cell maturation. 
C)  small in number. 
D)  located in front of the root tip. 
E)  short-lived. 
A)  flattened extensions of epidermal cells. 
B)  formed once in the area of cell maturation. 
C)  small in number. 
D)  located in front of the root tip. 
E)  short-lived.

Question 9

Suppose a plant were grown in a nutrient solution containing all known essential elements except for a particular one in question. This would be an application of:

Accepted Answer

A)  agriculture. 
B)  mutualism. 
C)  weathering. 
D)  hydroponics. 
E)  salinization. 
A)  agriculture. 
B)  mutualism. 
C)  weathering. 
D)  hydroponics. 
E)  salinization.

Question 10

Legumes secrete ____ to attract rhizobial bacteria in low nitrogen soils.

Accepted Answer

A)  cytokin 
B)  flavonoids 
C)  nod factors 
D)  calcium 
E)  water 
A)  cytokin 
B)  flavonoids 
C)  nod factors 
D)  calcium 
E)  water

Question 11

Rhizobia help plants meet their ____ requirements 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 12

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.

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

The root cortex is composed mostly of collenchyma cells.

Accepted Answer

A) True 
 B)False

Question 15

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 16

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 17

Which is the correct horizontal pathway of water from the soil to the center of the root?

Accepted Answer

A)  epidermis → root hair → cortex → pericycle → endodermis → xylem 
B)  epidermis → cortex → pericycle → endodermis → phloem → xylem 
C)  root hair → epidermis → cortex → endodermis → pericycle → xylem 
D)  root hair → cortex → endodermis → pericycle → epidermis → xylem 
E)  root hair → epidermis → endodermis → cortex → xylem → phloem 
A)  epidermis → root hair → cortex → pericycle → endodermis → xylem 
B)  epidermis → cortex → pericycle → endodermis → phloem → xylem 
C)  root hair → epidermis → cortex → endodermis → pericycle → xylem 
D)  root hair → cortex → endodermis → pericycle → epidermis → xylem 
E)  root hair → epidermis → endodermis → cortex → xylem → phloem

Question 18

Identify two plant macronutrients and two micronutrients and provide a physiological role for each.

Accepted Answer

A list of macronutri

Question 19

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 20

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

Exam 36: Roots and Mineral Nutrition

Which pair demonstrates a mutualistic relationship?

The center of a primary eudicot root is known as the:

Epiphytes have ____ that anchor the plants to the surface on which they grow.

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?

The partly decayed organic portion of soil is called:

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

Root hairs are:

Suppose a plant were grown in a nutrient solution containing all known essential elements except for a particular one in question. This would be an application of:

Legumes secrete ____ to attract rhizobial bacteria in low nitrogen soils.

Rhizobia help plants meet their ____ requirements by producing ____.

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

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

The root cortex is composed mostly of collenchyma cells.

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

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

Which is the correct horizontal pathway of water from the soil to the center of the root?

Identify two plant macronutrients and two micronutrients and provide a physiological role for each.

Water, wind, and ice are agents of:

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

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 requirements by producing .