Question 1

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

Accepted Answer

A) ​growth response that orients parts of a plant in a direction influenced by light 
B) ​plays a critical role in apical dominance 
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)​low-temperature stimulation of flowering
G)​closes stomata in times of stress
H)​stimulates fruit ripening
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)​stimulates growth of lateral buds
O)​mobilizes food reserves in germinating seeds 
A) ​growth response that orients parts of a plant in a direction influenced by light 
B) ​plays a critical role in apical dominance 
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)​low-temperature stimulation of flowering
G)​closes stomata in times of stress
H)​stimulates fruit ripening
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)​stimulates growth of lateral buds
O)​mobilizes food reserves in germinating seeds

Question 2

Respond to the following statements in reference to the five plant hormones listed below.​
-This hormone mediates tropisms.

Accepted Answer

A) ​auxins 
B) ​gibberellins 
C) ​cytokinins 
D) ​abscisic acid 
E) ​ethylene 
A) ​auxins 
B) ​gibberellins 
C) ​cytokinins 
D) ​abscisic acid 
E) ​ethylene

Question 3

Respond to the following statements in reference to the five plant hormones listed below.​
-This hormone causes a stem to lengthen between the nodes by inducing cell division and elongation.

Accepted Answer

A) ​auxins 
B) ​gibberellins 
C) ​cytokinins 
D) ​abscisic acid 
E) ​ethylene 
A) ​auxins 
B) ​gibberellins 
C) ​cytokinins 
D) ​abscisic acid 
E) ​ethylene

Question 4

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

Accepted Answer

A) ​growth response that orients parts of a plant in a direction influenced by light 
B) ​plays a critical role in apical dominance 
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)​low-temperature stimulation of flowering
G)​closes stomata in times of stress
H)​stimulates fruit ripening
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)​stimulates growth of lateral buds
O)​mobilizes food reserves in germinating seeds 
A) ​growth response that orients parts of a plant in a direction influenced by light 
B) ​plays a critical role in apical dominance 
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)​low-temperature stimulation of flowering
G)​closes stomata in times of stress
H)​stimulates fruit ripening
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)​stimulates growth of lateral buds
O)​mobilizes food reserves in germinating seeds

Question 5

The plant hormone that promotes dormancy in some plants and seeds is ____.

Accepted Answer

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

Question 6

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

Accepted Answer

A) ​growth response that orients parts of a plant in a direction influenced by light 
B) ​plays a critical role in apical dominance 
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)​low-temperature stimulation of flowering
G)​closes stomata in times of stress
H)​stimulates fruit ripening
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)​stimulates growth of lateral buds
O)​mobilizes food reserves in germinating seeds 
A) ​growth response that orients parts of a plant in a direction influenced by light 
B) ​plays a critical role in apical dominance 
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)​low-temperature stimulation of flowering
G)​closes stomata in times of stress
H)​stimulates fruit ripening
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)​stimulates growth of lateral buds
O)​mobilizes food reserves in germinating seeds

Question 7

Explain how gibberellin "removes the brakes" from some cellular processes.

Accepted Answer

​Gibberellin works by inhibiting inhibit

Question 8

Respond to the following statements in reference to the five plant hormones listed below.​
-This hormone inhibits formation of lateral roots.

Accepted Answer

A) ​auxins 
B) ​gibberellins 
C) ​cytokinins 
D) ​abscisic acid 
E) ​ethylene 
A) ​auxins 
B) ​gibberellins 
C) ​cytokinins 
D) ​abscisic acid 
E) ​ethylene

Question 9

Farmers spray seedless grape plants with synthetic __________, which increases the size of the resulting fruit.

Accepted Answer

The answer of Farmers spray seedless grape plants with synthetic...

Question 10

-The plant movement in the accompanying figure is caused by ____.

Accepted Answer

A)  ​auxin differences in two sides of the stems 
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)  ​cytokinin differences in two sides of the stem 
A)  ​auxin differences in two sides of the stems 
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)  ​cytokinin differences in two sides of the stem

Question 11

Photoperiodism is the ____.

Accepted Answer

A)  ​duration of flowering in a plant 
B)  ​amount of light needed by a plant to exhibit normal growth 
C)  ​response of a plant to the duration of light and darkness 
D)  ​light phase of photosynthesis during which photolysis of water occurs 
E)  ​opposite of photorespiration 
A)  ​duration of flowering in a plant 
B)  ​amount of light needed by a plant to exhibit normal growth 
C)  ​response of a plant to the duration of light and darkness 
D)  ​light phase of photosynthesis during which photolysis of water occurs 
E)  ​opposite of photorespiration

Question 12

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 13

Choose the one most appropriate answer for each. Each letter will be used once.​
-short-day plant

Accepted Answer

A) ​growth response that orients parts of a plant in a direction influenced by light 
B) ​plays a critical role in apical dominance 
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)​low-temperature stimulation of flowering
G)​closes stomata in times of stress
H)​stimulates fruit ripening
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)​stimulates growth of lateral buds
O)​mobilizes food reserves in germinating seeds 
A) ​growth response that orients parts of a plant in a direction influenced by light 
B) ​plays a critical role in apical dominance 
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)​low-temperature stimulation of flowering
G)​closes stomata in times of stress
H)​stimulates fruit ripening
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)​stimulates growth of lateral buds
O)​mobilizes food reserves in germinating seeds

Exam 30: Communication Strategies in Plants

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

Respond to the following statements in reference to the five plant hormones listed below.​ -This hormone mediates tropisms.

Respond to the following statements in reference to the five plant hormones listed below.​ -This hormone causes a stem to lengthen between the nodes by inducing cell division and elongation.

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

The plant hormone that promotes dormancy in some plants and seeds is ____.

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

Explain how gibberellin "removes the brakes" from some cellular processes.

Respond to the following statements in reference to the five plant hormones listed below.​ -This hormone inhibits formation of lateral roots.

Farmers spray seedless grape plants with synthetic __________, which increases the size of the resulting fruit.

-The plant movement in the accompanying figure is caused by ____.

Photoperiodism is the ____.

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.​ -short-day plant

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

Plant Nutrition and Transport

Life Cycles of Flowering 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

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

Respond to the following statements in reference to the five plant hormones listed below. -This hormone mediates tropisms.

Respond to the following statements in reference to the five plant hormones listed below. -This hormone causes a stem to lengthen between the nodes by inducing cell division and elongation.

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

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

Respond to the following statements in reference to the five plant hormones listed below. -This hormone inhibits formation of lateral roots.

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