Question 1

__________ stimulate cell division, release lateral buds from apical dominance, and inhibit senescence.

Accepted Answer

The answer of __________ stimulate cell division, release lateral buds...

Question 2

Which of the following is mismatched?

Accepted Answer

A)  cytokinin; inhibits lateral root formation 
B)  auxin; promotes cell elongation 
C)  gibberellin; involved in phototropism and gravitropism 
D)  abscisic acid; promotes stomatal closure 
E)  ethylene; promotes leaf abscission 
A)  cytokinin; inhibits lateral root formation 
B)  auxin; promotes cell elongation 
C)  gibberellin; involved in phototropism and gravitropism 
D)  abscisic acid; promotes stomatal closure 
E)  ethylene; promotes leaf abscission

Question 3

-The plant movement in the above figure is caused by

Accepted Answer

A)  auxin differences in two sides of the coleoptile. 
B)  gibberellin released in one side of the leaf. 
C)  abscisic acid in two sides of the stems. 
D)  salicylic acid in two sides of the roots. 
E)  none of these. 
A)  auxin differences in two sides of the coleoptile. 
B)  gibberellin released in one side of the leaf. 
C)  abscisic acid in two sides of the stems. 
D)  salicylic acid in two sides of the roots. 
E)  none of these.

Question 4

A plant secretes ____ when it needs to respond defensively to a pathogen.

Accepted Answer

A)  salicylic acid 
B)  systemin 
C)  brassinosteroids 
D)  mineralocorticoids 
E)  nitric oxide 
A)  salicylic acid 
B)  systemin 
C)  brassinosteroids 
D)  mineralocorticoids 
E)  nitric oxide

Question 5

Which of the following do the Kuna suffer very little from?

Accepted Answer

A)  Hypertension. 
B)  Yellow fever. 
C)  Malaria. 
D)  Dengue fever. 
E)  They suffer little from any of these. 
A)  Hypertension. 
B)  Yellow fever. 
C)  Malaria. 
D)  Dengue fever. 
E)  They suffer little from any of these.

Question 6

A houseplant placed in a window grows toward the source of light because auxin

Accepted Answer

A)  becomes more concentrated on the illuminated side of the plant. 
B)  becomes more concentrated in the roots of the plant. 
C)  becomes more concentrated on the nonilluminated side of the plant. 
D)  inhibits the growth of cells on the shady side, so the cells on the sunny side grow faster. 
E)  does none of these. 
A)  becomes more concentrated on the illuminated side of the plant. 
B)  becomes more concentrated in the roots of the plant. 
C)  becomes more concentrated on the nonilluminated side of the plant. 
D)  inhibits the growth of cells on the shady side, so the cells on the sunny side grow faster. 
E)  does none of these.

Question 7

MATCHING
Matching.Choose the one most appropriate answer for each.Some letters may not be used.
a.flower each successive year or after several years of vegetative growth
b.promotes cell elongation in stems
c.has receptor sites for a particular hormonal message
d.a hollow, cylindrical organ that protects young leaves growing within it
e.blue-green pigment that absorbs light energy
f.low-temperature stimulation of flowering
g.stimulates stomata closure and might be involved in root geotropism
h.stimulates fruit ripening
i.reproduces in spring
j.
produces only roots, stems, and leaves the first growing season and produces flowers the second year
k.occurring on a 24-hour cycle
l.
flowers in autumn
m.
a nonhormonal plant growth regulator
n.
lives for only one growing season
o.promotes stem elongation in plants
p.
pigment involved in flowering process
-biennial

Accepted Answer

The answer of MATCHING
Matching.Choose the one most appropriate answer for...

Question 8

Which plant hormone has mostly inhibitory effects?

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

MATCHING
Matching.Choose the one most appropriate answer for each.Some letters may not be used.
a.flower each successive year or after several years of vegetative growth
b.promotes cell elongation in stems
c.has receptor sites for a particular hormonal message
d.a hollow, cylindrical organ that protects young leaves growing within it
e.blue-green pigment that absorbs light energy
f.low-temperature stimulation of flowering
g.stimulates stomata closure and might be involved in root geotropism
h.stimulates fruit ripening
i.reproduces in spring
j.
produces only roots, stems, and leaves the first growing season and produces flowers the second year
k.occurring on a 24-hour cycle
l.
flowers in autumn
m.
a nonhormonal plant growth regulator
n.
lives for only one growing season
o.promotes stem elongation in plants
p.
pigment involved in flowering process
-phytochrome

Accepted Answer

The answer of MATCHING
Matching.Choose the one most appropriate answer for...

Question 10

Classification.Respond to the following statements in reference to the five plant hormones listed below.
a.auxins
b.gibberellins
c.cytokinins
d.abscisic acid
e.ethylene
-Hormones most closely associated with cell division.

Accepted Answer

The answer of Classification.Respond to the following statements in reference...

Question 11

Which of the following is false about plant hormones?

Accepted Answer

A)  They bind to receptors on target cells. 
B)  Their mechanism of action is completely different from that of animal hormones. 
C)  Signal transduction may influence a metabolic pathway. 
D)  The plant response may depend on a change in gene expression. 
E)  Their effect can be synergistic or antagonistic. 
A)  They bind to receptors on target cells. 
B)  Their mechanism of action is completely different from that of animal hormones. 
C)  Signal transduction may influence a metabolic pathway. 
D)  The plant response may depend on a change in gene expression. 
E)  Their effect can be synergistic or antagonistic.

Question 12

Which of the following is not an environmental cue for plants?

Accepted Answer

A)  Length of night. 
B)  Temperature. 
C)  Earth's magnetic field. 
D)  Presence of pathogens. 
E)  Gravity. 
A)  Length of night. 
B)  Temperature. 
C)  Earth's magnetic field. 
D)  Presence of pathogens. 
E)  Gravity.

Exam 30: Communication Strategies in Plants

__________ stimulate cell division, release lateral buds from apical dominance, and inhibit senescence.

Which of the following is mismatched?

-The plant movement in the above figure is caused by

A plant secretes ____ when it needs to respond defensively to a pathogen.

Which of the following do the Kuna suffer very little from?

A houseplant placed in a window grows toward the source of light because auxin

Which plant hormone has mostly inhibitory effects?

Classification.Respond to the following statements in reference to the five plant hormones listed below. a.auxins b.gibberellins c.cytokinins d.abscisic acid e.ethylene -Hormones most closely associated with cell division.

Which of the following is false about plant hormones?

Which of the following is not an environmental cue for plants?

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Startsphotosynthesis

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

Organizing Information About Species

Lifes Origin and Early Evolution

Viruses and Prokaryotes

Protiststhe Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolutionthe Invertebrates

Animal Evolutionthe Chordates

Animal Evolutionhuman 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 Systems

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters