Question 1

What drives the movement of soil water, through a root's epidermis and cortex, to the vascular cylinder?​

Accepted Answer

A)  ​translocation 
B)  ​pressure flow 
C)  ​Casparian strip 
D)  ​osmosis 
E)  ​active transport 
A)  ​translocation 
B)  ​pressure flow 
C)  ​Casparian strip 
D)  ​osmosis 
E)  ​active transport

Question 2

Decomposing organic material that releases nutrients that are used by plants is called ____.

Accepted Answer

A)  ​humus 
B)  ​loam 
C)  ​silt 
D)  ​bedrock 
E)  ​a macronutrient 
A)  ​humus 
B)  ​loam 
C)  ​silt 
D)  ​bedrock 
E)  ​a macronutrient

Question 3

Figure 28.14
​
The following three questions refer to the accompanying figure illustrating transport in phloem.​
  
-Companion cell assisted loading of organic compounds is indicated by letter ____.

Accepted Answer

A)  ​A 
B)  ​B 
C)  ​C 
D)  ​D 
E)  ​E 
A)  ​A 
B)  ​B 
C)  ​C 
D)  ​D 
E)  ​E

Question 4

Nitrogen-fixing bacteria convert ____ to ____, which is a form of nitrogen that plants can use.

Accepted Answer

A)  ​nitrogen gas; ammonia 
B)  ​ammonia; nitrogen gas 
C)  ​nitrogen gas; nitrates 
D)  ​nitrogen gas; nitrites 
E)  ​ammonia; nitrates 
A)  ​nitrogen gas; ammonia 
B)  ​ammonia; nitrogen gas 
C)  ​nitrogen gas; nitrates 
D)  ​nitrogen gas; nitrites 
E)  ​ammonia; nitrates

Question 5

What is the function of companion cells?​

Accepted Answer

A)  ​These cells provide metabolic support to vessel elements. 
B)  ​These cells provide metabolic support to sieve elements. 
C)  ​These cells provide metabolic support to tracheids. 
D)  ​These cells prevent water from entering the endodermis. 
E)  ​These cells control the opening and closing of stomata. 
A)  ​These cells provide metabolic support to vessel elements. 
B)  ​These cells provide metabolic support to sieve elements. 
C)  ​These cells provide metabolic support to tracheids. 
D)  ​These cells prevent water from entering the endodermis. 
E)  ​These cells control the opening and closing of stomata.

Question 6

The generally accepted explanation for the movement of organic compounds in phloem is ____.

Accepted Answer

A)  ​the cohesion-tension theory 
B)  ​the pressure flow theory 
C)  ​active transport 
D)  ​the transpiration-pull theory 
E)  ​root pressure 
A)  ​the cohesion-tension theory 
B)  ​the pressure flow theory 
C)  ​active transport 
D)  ​the transpiration-pull theory 
E)  ​root pressure

Question 7

Which element is considered a macronutrient needed by plants?​

Accepted Answer

A)  ​manganese 
B)  ​iron 
C)  ​copper 
D)  potassium 
E)  ​boron 
A)  ​manganese 
B)  ​iron 
C)  ​copper 
D)  potassium 
E)  ​boron

Question 8

Figure 28.2
​
The following two questions refer to the accompanying figure illustrating soil horizons.​
  
-Which soil horizon is composed of organic litter?

Accepted Answer

A)  ​O Horizon 
B)  ​A Horizon 
C)  ​B Horizon 
D)  ​C Horizon 
E)  ​Bedrock 
A)  ​O Horizon 
B)  ​A Horizon 
C)  ​B Horizon 
D)  ​C Horizon 
E)  ​Bedrock

Question 9

__________ is the evaporation of water from plant parts, mainly at stomata, into air.

Accepted Answer

The answer of __________ is the evaporation of water from...

Question 10

Phytoremediation uses the ability of plants to take up __________ dissolved in soil water.

Accepted Answer

toxic chem

Question 11

A(n) __________ is a mutually beneficial interaction between a root and a fungus that grows on or in it.

Accepted Answer

The answer of A(n) __________ is a mutually beneficial interaction...

Question 12

Sieve tubes are different from vessel elements because they ____.

Accepted Answer

A)  ​do not have nuclei 
B)  ​are not connected to each other 
C)  ​are alive at maturity 
D)  ​conduct minerals 
E)  ​transport water 
A)  ​do not have nuclei 
B)  ​are not connected to each other 
C)  ​are alive at maturity 
D)  ​conduct minerals 
E)  ​transport water

Question 13

A region of plant tissue where sugars are being produced or released from storage is called ____.

Accepted Answer

A)  ​cortex 
B)  ​plasmodesmata 
C)  ​stoma 
D)  ​a source 
E)  ​a sink 
A)  ​cortex 
B)  ​plasmodesmata 
C)  ​stoma 
D)  ​a source 
E)  ​a sink

Question 14

Choose the most appropriate answer response for each question.​
-guard cells

Accepted Answer

A) responsible for opening and closing of stomata​ 
B) ​region of a plant where sugars are being used 
C) ​pipelines of the xylem 
D) ​a mutually beneficial association between a fungus and a root 
E) ​structures on roots that house nitrogen-fixing bacteria
F)​pipelines of the phloem
G)​evaporation of water from stems and leaves
H)​provide metabolic functions necessary to sustain its paired sieve element
I)​control the uptake of mineral ions into the vascular cylinder
J)​transport of organic molecules from source region to sink
K)​a waxy band that prevents water from diffusing through endodermal cell walls 
A) responsible for opening and closing of stomata​ 
B) ​region of a plant where sugars are being used 
C) ​pipelines of the xylem 
D) ​a mutually beneficial association between a fungus and a root 
E) ​structures on roots that house nitrogen-fixing bacteria
F)​pipelines of the phloem
G)​evaporation of water from stems and leaves
H)​provide metabolic functions necessary to sustain its paired sieve element
I)​control the uptake of mineral ions into the vascular cylinder
J)​transport of organic molecules from source region to sink
K)​a waxy band that prevents water from diffusing through endodermal cell walls

Question 15

Respond to the following statements with reference to the five plant micronutrients listed below.​
-This nutrient is involved in electron transfer chains and lignin synthesis.

Accepted Answer

A) iron​ 
B) ​boron 
C) ​manganese 
D) ​zinc 
E) ​copper 
A) iron​ 
B) ​boron 
C) ​manganese 
D) ​zinc 
E) ​copper

Question 16

The Army and the Environmental Protection Agency are decreasing the contamination at the Army's Aberdeen Proving Grounds by ____.

Accepted Answer

A)  ​removing contaminated soil 
B)  ​planting hybrid poplar trees 
C)  ​chemically degrading the contaminants 
D)  ​covering the contaminated soil with a sealant 
E)  ​injecting the soil with clean water to dilute the contaminated groundwater 
A)  ​removing contaminated soil 
B)  ​planting hybrid poplar trees 
C)  ​chemically degrading the contaminants 
D)  ​covering the contaminated soil with a sealant 
E)  ​injecting the soil with clean water to dilute the contaminated groundwater

Question 17

Choose the most appropriate answer response for each question.​
-sink

Accepted Answer

A) responsible for opening and closing of stomata​ 
B) ​region of a plant where sugars are being used 
C) ​pipelines of the xylem 
D) ​a mutually beneficial association between a fungus and a root 
E) ​structures on roots that house nitrogen-fixing bacteria
F)​pipelines of the phloem
G)​evaporation of water from stems and leaves
H)​provide metabolic functions necessary to sustain its paired sieve element
I)​control the uptake of mineral ions into the vascular cylinder
J)​transport of organic molecules from source region to sink
K)​a waxy band that prevents water from diffusing through endodermal cell walls 
A) responsible for opening and closing of stomata​ 
B) ​region of a plant where sugars are being used 
C) ​pipelines of the xylem 
D) ​a mutually beneficial association between a fungus and a root 
E) ​structures on roots that house nitrogen-fixing bacteria
F)​pipelines of the phloem
G)​evaporation of water from stems and leaves
H)​provide metabolic functions necessary to sustain its paired sieve element
I)​control the uptake of mineral ions into the vascular cylinder
J)​transport of organic molecules from source region to sink
K)​a waxy band that prevents water from diffusing through endodermal cell walls

Question 18

Explain the cohesion-tension theory.

Accepted Answer

By the cohesion-tension theory, water is

Question 19

Respond to the following statements with reference to the five plant micronutrients listed below.​
-This nutrient plays an important role in cell wall formation.

Accepted Answer

A) iron​ 
B) ​boron 
C) ​manganese 
D) ​zinc 
E) ​copper 
A) iron​ 
B) ​boron 
C) ​manganese 
D) ​zinc 
E) ​copper

Question 20

An opening in leaves that functions in the exchange of gases is called a ____.

Accepted Answer

A)  ​cuticle 
B)  ​stoma 
C)  ​guard cell 
D)  ​pit 
E)  ​pore 
A)  ​cuticle 
B)  ​stoma 
C)  ​guard cell 
D)  ​pit 
E)  ​pore

Exam 28: Plant Nutrition and Transport

What drives the movement of soil water, through a root's epidermis and cortex, to the vascular cylinder?​

Decomposing organic material that releases nutrients that are used by plants is called ____.

Figure 28.14 ​ The following three questions refer to the accompanying figure illustrating transport in phloem.​ -Companion cell assisted loading of organic compounds is indicated by letter ____.

Nitrogen-fixing bacteria convert ____ to ____, which is a form of nitrogen that plants can use.

What is the function of companion cells?​

The generally accepted explanation for the movement of organic compounds in phloem is ____.

Which element is considered a macronutrient needed by plants?​

Figure 28.2 ​ The following two questions refer to the accompanying figure illustrating soil horizons.​ -Which soil horizon is composed of organic litter?

__________ is the evaporation of water from plant parts, mainly at stomata, into air.

Phytoremediation uses the ability of plants to take up __________ dissolved in soil water.

A(n) __________ is a mutually beneficial interaction between a root and a fungus that grows on or in it.

Sieve tubes are different from vessel elements because they ____.

A region of plant tissue where sugars are being produced or released from storage is called ____.

Choose the most appropriate answer response for each question.​ -guard cells

Respond to the following statements with reference to the five plant micronutrients listed below.​ -This nutrient is involved in electron transfer chains and lignin synthesis.

The Army and the Environmental Protection Agency are decreasing the contamination at the Army's Aberdeen Proving Grounds by ____.

Choose the most appropriate answer response for each question.​ -sink

Explain the cohesion-tension theory.

Respond to the following statements with reference to the five plant micronutrients listed below.​ -This nutrient plays an important role in cell wall formation.

An opening in leaves that functions in the exchange of gases is called a ____.

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Starts - Photosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

Gene Control

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizating Information About Species

Lifes Origin and Early Evolution

Viruses - Bacteria - and Archaea

Protists - the Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution - the Invertibrates

Animal Evolution - the Chordates

Human Evolution

Plant Tissues

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Filters

What drives the movement of soil water, through a root's epidermis and cortex, to the vascular cylinder?

Figure 28.14 The following three questions refer to the accompanying figure illustrating transport in phloem. -Companion cell assisted loading of organic compounds is indicated by letter ____.

Nitrogen-fixing bacteria convert to , which is a form of nitrogen that plants can use.

What is the function of companion cells?

Which element is considered a macronutrient needed by plants?

Figure 28.2 The following two questions refer to the accompanying figure illustrating soil horizons. -Which soil horizon is composed of organic litter?

Choose the most appropriate answer response for each question. -guard cells

Respond to the following statements with reference to the five plant micronutrients listed below. -This nutrient is involved in electron transfer chains and lignin synthesis.

Choose the most appropriate answer response for each question. -sink

Respond to the following statements with reference to the five plant micronutrients listed below. -This nutrient plays an important role in cell wall formation.