Question 1

Figure 30.18C
  
-Which plant hormone listed below is responsible for the symbiotic relationship shown in the accompanying figure?

Accepted Answer

A)  auxin 
B)  gibberellin 
C)  cytokinin 
D)  jasmonic acid 
E)  abscisic acid 
A)  auxin 
B)  gibberellin 
C)  cytokinin 
D)  jasmonic acid 
E)  abscisic acid

Question 2

Which one of the following effects is NOT the effect of auxin?

Accepted Answer

A)  Promotes growth by cell enlargement 
B)  Promotes apical dominance 
C)  Stimulates formation of roots on a shoot 
D)  Stimulates division of shoot apical meristem cells 
E)  Stimulates development of lateral buds 
A)  Promotes growth by cell enlargement 
B)  Promotes apical dominance 
C)  Stimulates formation of roots on a shoot 
D)  Stimulates division of shoot apical meristem cells 
E)  Stimulates development of lateral buds

Question 3

Phytochrome is converted from the inactive to the active form by being exposed to light of what color?

Accepted Answer

A)  Far red 
B)  Red 
C)  Yellow 
D)  Blue 
E)  Violet 
A)  Far red 
B)  Red 
C)  Yellow 
D)  Blue 
E)  Violet

Question 4

Choose the one most appropriate answer for each. Each letter will be used once.
-phototropism

Accepted Answer

A) growth response that orients parts of a plant in a direction influenced by light 
B) burst of hydrogen peroxide and nitric oxide that causes infected cells to commit suicide 
C) an organism's response to changes in length of day relative to night 
D) organelle involved in sensing gravity 
E) light-sensitive pigment that helps set plant circadian rhythm based on length of night
F)flowering after a long season of cold temperatures
G)closes stomata in times of stress
H)initiates fruit ripening in nearby fruits
I)flowers only when hours of darkness fall below a critical value
J)flavonoid in cocoa responsible for the unusual absence of heart disease in the Kuna
K)occurring on a 24-hour cycle
L)flowers only when hours of darkness are greater than some critical value
M)activates systemic acquired resistance
N)inhibits the growth of lateral roots
O)mobilizes food reserves in germinating seeds 
A) growth response that orients parts of a plant in a direction influenced by light 
B) burst of hydrogen peroxide and nitric oxide that causes infected cells to commit suicide 
C) an organism's response to changes in length of day relative to night 
D) organelle involved in sensing gravity 
E) light-sensitive pigment that helps set plant circadian rhythm based on length of night
F)flowering after a long season of cold temperatures
G)closes stomata in times of stress
H)initiates fruit ripening in nearby fruits
I)flowers only when hours of darkness fall below a critical value
J)flavonoid in cocoa responsible for the unusual absence of heart disease in the Kuna
K)occurring on a 24-hour cycle
L)flowers only when hours of darkness are greater than some critical value
M)activates systemic acquired resistance
N)inhibits the growth of lateral roots
O)mobilizes food reserves in germinating seeds

Question 5

Which of the following is mismatched?

Accepted Answer

A)  Cytokinin-inhibits lateral root formation 
B)  Auxin-promotes cell enlargement 
C)  Gibberellin-involved in phototropism and gravitropism 
D)  Abscisic acid-promotes stomatal closure 
E)  Ethylene-promotes seasonal leaf abscission 
A)  Cytokinin-inhibits lateral root formation 
B)  Auxin-promotes cell enlargement 
C)  Gibberellin-involved in phototropism and gravitropism 
D)  Abscisic acid-promotes stomatal closure 
E)  Ethylene-promotes seasonal leaf abscission

Question 6

Choose the one most appropriate answer for each. Each letter will be used once.
-amyloplast

Accepted Answer

A) growth response that orients parts of a plant in a direction influenced by light 
B) burst of hydrogen peroxide and nitric oxide that causes infected cells to commit suicide 
C) an organism's response to changes in length of day relative to night 
D) organelle involved in sensing gravity 
E) light-sensitive pigment that helps set plant circadian rhythm based on length of night
F)flowering after a long season of cold temperatures
G)closes stomata in times of stress
H)initiates fruit ripening in nearby fruits
I)flowers only when hours of darkness fall below a critical value
J)flavonoid in cocoa responsible for the unusual absence of heart disease in the Kuna
K)occurring on a 24-hour cycle
L)flowers only when hours of darkness are greater than some critical value
M)activates systemic acquired resistance
N)inhibits the growth of lateral roots
O)mobilizes food reserves in germinating seeds 
A) growth response that orients parts of a plant in a direction influenced by light 
B) burst of hydrogen peroxide and nitric oxide that causes infected cells to commit suicide 
C) an organism's response to changes in length of day relative to night 
D) organelle involved in sensing gravity 
E) light-sensitive pigment that helps set plant circadian rhythm based on length of night
F)flowering after a long season of cold temperatures
G)closes stomata in times of stress
H)initiates fruit ripening in nearby fruits
I)flowers only when hours of darkness fall below a critical value
J)flavonoid in cocoa responsible for the unusual absence of heart disease in the Kuna
K)occurring on a 24-hour cycle
L)flowers only when hours of darkness are greater than some critical value
M)activates systemic acquired resistance
N)inhibits the growth of lateral roots
O)mobilizes food reserves in germinating seeds

Question 7

The mechanism that causes a vine's tendrils to grow around an object,such as a wire fenceline,is called ____.

Accepted Answer

A)  thigmotropism 
B)  phototropism 
C)  gravitropism 
D)  vernalization 
E)  photoperiodism 
A)  thigmotropism 
B)  phototropism 
C)  gravitropism 
D)  vernalization 
E)  photoperiodism

Question 8

The plant hormone that promotes fruit ripening is ____.

Accepted Answer

A)  auxin 
B)  gibberellin 
C)  cytokinin 
D)  abscisic acid 
E)  ethylene 
A)  auxin 
B)  gibberellin 
C)  cytokinin 
D)  abscisic acid 
E)  ethylene

Question 9

When a hormone inhibits its own expression,it is called a ____.

Accepted Answer

A)  hormone stimulant 
B)  hormone coordinator 
C)  hormone suppressant 
D)  negative feedback loop 
E)  positive feedback loop 
A)  hormone stimulant 
B)  hormone coordinator 
C)  hormone suppressant 
D)  negative feedback loop 
E)  positive feedback loop

Question 10

2,4-D,a potent eudicot weed killer,is most likely a synthetic ____.

Accepted Answer

A)  auxin 
B)  gibberellin 
C)  cytokinin 
D)  phytochrome 
E)  brassinosteroid 
A)  auxin 
B)  gibberellin 
C)  cytokinin 
D)  phytochrome 
E)  brassinosteroid

Question 11

Choose the one most appropriate answer for each. Each letter will be used once.
-positive feedback loop

Accepted Answer

A) growth response that orients parts of a plant in a direction influenced by light 
B) burst of hydrogen peroxide and nitric oxide that causes infected cells to commit suicide 
C) an organism's response to changes in length of day relative to night 
D) organelle involved in sensing gravity 
E) light-sensitive pigment that helps set plant circadian rhythm based on length of night
F)flowering after a long season of cold temperatures
G)closes stomata in times of stress
H)initiates fruit ripening in nearby fruits
I)flowers only when hours of darkness fall below a critical value
J)flavonoid in cocoa responsible for the unusual absence of heart disease in the Kuna
K)occurring on a 24-hour cycle
L)flowers only when hours of darkness are greater than some critical value
M)activates systemic acquired resistance
N)inhibits the growth of lateral roots
O)mobilizes food reserves in germinating seeds 
A) growth response that orients parts of a plant in a direction influenced by light 
B) burst of hydrogen peroxide and nitric oxide that causes infected cells to commit suicide 
C) an organism's response to changes in length of day relative to night 
D) organelle involved in sensing gravity 
E) light-sensitive pigment that helps set plant circadian rhythm based on length of night
F)flowering after a long season of cold temperatures
G)closes stomata in times of stress
H)initiates fruit ripening in nearby fruits
I)flowers only when hours of darkness fall below a critical value
J)flavonoid in cocoa responsible for the unusual absence of heart disease in the Kuna
K)occurring on a 24-hour cycle
L)flowers only when hours of darkness are greater than some critical value
M)activates systemic acquired resistance
N)inhibits the growth of lateral roots
O)mobilizes food reserves in germinating seeds

Question 12

Which plant compound is involved in systemic acquired resistance and shows potential as a drug for preventing heart disease in humans?

Accepted Answer

A)  Curcumin 
B)  Strigolactone 
C)  Resveratrol 
D)  Caffeine 
E)  Epicatechin 
A)  Curcumin 
B)  Strigolactone 
C)  Resveratrol 
D)  Caffeine 
E)  Epicatechin

Exam 30: Communication Strategies in Plants

Figure 30.18C -Which plant hormone listed below is responsible for the symbiotic relationship shown in the accompanying figure?

Which one of the following effects is NOT the effect of auxin?

Phytochrome is converted from the inactive to the active form by being exposed to light of what color?

Choose the one most appropriate answer for each. Each letter will be used once. -phototropism

Which of the following is mismatched?

Choose the one most appropriate answer for each. Each letter will be used once. -amyloplast

The mechanism that causes a vine's tendrils to grow around an object,such as a wire fenceline,is called ____.

The plant hormone that promotes fruit ripening is ____.

When a hormone inhibits its own expression,it is called a ____.

2,4-D,a potent eudicot weed killer,is most likely a synthetic ____.

Choose the one most appropriate answer for each. Each letter will be used once. -positive feedback loop

Which plant compound is involved in systemic acquired resistance and shows potential as a drug for preventing heart disease in humans?

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where it Starts—Photosynthesis

How Cells Release Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

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

Organizing Information about Species

Life's Origin and Early Evolution

Viruses, Bacteria, and Archaea

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Animal Evolution: The Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive System

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

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