Question 1

Which of the following types of plant hormones is apparently synthesized from carotenoid pigments inside plastids?

Accepted Answer

A)   salicylic acid
B)   cytokinins
C)   abscisic acid
D)   jasmonateE) None of the above
F) A) and B)

Question 2

When a plant has a hypersensitive response, which production triggers effects such as the expression of PR proteins?

Accepted Answer

A)   the production of oligosaccharins
B)   the production of salicylic acid
C)   the production of ethylene
D)   the production of cytokininE) A) and B)
F) A) and C)

Question 3

A plant hormone has the same effect in different plant tissues.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following triggers stomatal closure by involving the second messenger inositol triphosphate (IP3) ?

Accepted Answer

A)   auxin
B)   abscisic acid
C)   oligosaccharin
D)   salicylic acidE) B) and D)
F) C) and D)

Question 5

Synthetic compounds similar to which plant hormones are used to prolong the shelf life of vegetables such as lettuces and mushrooms and to keep cut flowers fresh?

Accepted Answer

A)   cytokinins
B)   abscisic acids
C)   gibberellins
D)   jasmonatesE) C) and D)
F) A) and D)

Question 6

Which of the following should prevent a grass seedling shoot from bending toward light?

Accepted Answer

A)   either removing the shoot tip or placing an opaque cap on the shoot tip
B)   placing an opaque cap on the shoot tip
C)   either removing the shoot tip or placing a translucent cap on the shoot tip
D)   placing a translucent cap on the shoot tipE) C) and D)
F) None of the above

Question 7

Which plant hormones were first discovered in experiments to define the nutrient media required for plant tissue culture?

Accepted Answer

A)   gibberellins
B)   cytokinins
C)   salicylic acids
D)   auxinsE) All of the above
F) C) and D)

Question 8

The most widely accepted hypothesis for how plants detect gravity posits that plants detect gravity the same why animals detect gravity.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following types of plant hormones trigger(s)  plant responses to environmental stresses such as cold snaps, high salinity, and drought?

Accepted Answer

A)   abscisic acid
B)   cytokinins
C)   oligosaccharins
D)   jasmonatesE) All of the above
F) A) and B)

Question 10

Which type of plant hormone appears to play a major role in gravitropism in roots and shoots?

Accepted Answer

A)   salicylic acid
B)   auxin
C)   abscisic acid
D)   gibberellinE) A) and C)
F) A) and B)

Question 11

Choose the type of plant chemical or its action most closely associated with the consequence listed below. Each chemical or action may be used more than once.
-degrading cell walls of pathogens

Accepted Answer

A)  jasmonates
B)  salicylic acid
C)  phytoalexins
D)  "antifreeze proteins"
E)  oligosaccharinsF) PR proteinsG) systeminH) A) and B)
I) A) and C)

Question 12

Imagine that you own a nursery and you want to reduce the chance that plants you ship will suffer from shipping damage. Which type of plant hormone should you apply to the plants before shipping?

Accepted Answer

A)   cytokinin
B)   abscisic acid
C)   oligosaccharin
D)   gibberellinE) All of the above
F) None of the above

Question 13

What is thigmotropism a growth response to?

Accepted Answer

A)   light
B)   day length
C)   contact with a solid object
D)   circadian rhythmsE) A) and B)
F) A) and C)

Exam 37: Plant Signals and Responses to the Environment

Imagine that you own a nursery and you want to reduce the chance that plants you ship will suffer from shipping damage. Which type of plant hormone should you apply to the plants before shipping?

Correct Answer
verified

Which type of plant hormone appears to play a major role in gravitropism in roots and shoots?

Correct Answer
verified

Which of the following types of plant hormones trigger(s) plant responses to environmental stresses such as cold snaps, high salinity, and drought?

Correct Answer
verified

What is thigmotropism a growth response to?

Correct Answer
verified

When a plant has a hypersensitive response, which production triggers effects such as the expression of PR proteins?

Correct Answer
verified

Which plant hormones were first discovered in experiments to define the nutrient media required for plant tissue culture?

Correct Answer
verified

Choose the type of plant chemical or its action most closely associated with the consequence listed below. Each chemical or action may be used more than once. -degrading cell walls of pathogens

Correct Answer
verified

A plant hormone has the same effect in different plant tissues.

Correct Answer
verified

Which of the following types of plant hormones is apparently synthesized from carotenoid pigments inside plastids?

Correct Answer
verified

Which of the following triggers stomatal closure by involving the second messenger inositol triphosphate (IP₃) ?

Correct Answer
verified

Which of the following should prevent a grass seedling shoot from bending toward light?

Correct Answer
verified

Synthetic compounds similar to which plant hormones are used to prolong the shelf life of vegetables such as lettuces and mushrooms and to keep cut flowers fresh?

Correct Answer
verified

The most widely accepted hypothesis for how plants detect gravity posits that plants detect gravity the same why animals detect gravity.

Correct Answer
verified

Exam 37: Plant Signals and Responses to the Environment

Imagine that you own a nursery and you want to reduce the chance that plants you ship will suffer from shipping damage. Which type of plant hormone should you apply to the plants before shipping?

Correct AnswerverifiedShow Answer

Which type of plant hormone appears to play a major role in gravitropism in roots and shoots?

Correct AnswerverifiedShow Answer

Which of the following types of plant hormones trigger(s) plant responses to environmental stresses such as cold snaps, high salinity, and drought?

Correct AnswerverifiedShow Answer

What is thigmotropism a growth response to?

Correct AnswerverifiedShow Answer

When a plant has a hypersensitive response, which production triggers effects such as the expression of PR proteins?

Correct AnswerverifiedShow Answer

Which plant hormones were first discovered in experiments to define the nutrient media required for plant tissue culture?

Correct AnswerverifiedShow Answer

Choose the type of plant chemical or its action most closely associated with the consequence listed below. Each chemical or action may be used more than once. -degrading cell walls of pathogens

Correct AnswerverifiedShow Answer

A plant hormone has the same effect in different plant tissues.

Correct AnswerverifiedShow Answer

Which of the following types of plant hormones is apparently synthesized from carotenoid pigments inside plastids?

Correct AnswerverifiedShow Answer

Which of the following triggers stomatal closure by involving the second messenger inositol triphosphate (IP3) ?

Correct AnswerverifiedShow Answer

Which of the following should prevent a grass seedling shoot from bending toward light?

Correct AnswerverifiedShow Answer

Synthetic compounds similar to which plant hormones are used to prolong the shelf life of vegetables such as lettuces and mushrooms and to keep cut flowers fresh?

Correct AnswerverifiedShow Answer

The most widely accepted hypothesis for how plants detect gravity posits that plants detect gravity the same why animals detect gravity.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Which of the following triggers stomatal closure by involving the second messenger inositol triphosphate (IP₃) ?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified