Question 1

Flowering in most plants is triggered by

Accepted Answer

A)   auxin migration.
B)   night length.
C)   day length.
D)   gibberellin production.
E)   negative phototropism.F) A) and E)
G) D) and E)

Question 2

The aging process in plants is known as

Accepted Answer

A)   senescence.
B)   dormancy.
C)   abscission.
D)   apical dominance.
E)   gravitropism.F) A) and E)
G) A) and B)

Question 3

Which plant hormone is responsible for breaking the dormancy cycle in plants?

Accepted Answer

A)   gibberellins
B)   auxins
C)   abscisic acid
D)   ethylene
E)   cytokininsF) B) and D)
G) D) and E)

Question 4

An increase in the amount of protein produced is an advantage of using plants to develop products for the pharmaceutical industry.

Accepted Answer

A) True 
 B)False

Question 5

Plants undergo an alternation of generations.The _______ produces spores,which develop into the ______.

Accepted Answer

A)   sporophyte; gametophyte
B)   gametophyte; sporophyte
C)   sporophyte; seeds
D)   flowers; gametophyte
E)   sporophyte; flowersF) All of the above
G) C) and E)

Question 6

In order for senescence to be prevented,which hormone needs to be present in the plant?

Accepted Answer

A)   gibberellins
B)   cytokinins
C)   abscisic acid
D)   ethylene
E)   auxinF) A) and E)
G) A) and B)

Question 7

What is the actual site of double fertilization?

Accepted Answer

A)   ovule
B)   ovary
C)   embryo sac
D)   anther
E)   stigmaF) A) and B)
G) B) and D)

Question 8

A gardener wants to stimulate branching but keep the apical meristem intact so that the plants will also grow in height.What hormone should be applied?

Accepted Answer

A)   auxin
B)   cytokinin
C)   ethylene
D)   abscisic acid
E)   gibberellinsF) A) and B)
G) B) and E)

Exam 21: Plant Responses and Reproduction

What is the actual site of double fertilization?

Correct Answer
verified

The aging process in plants is known as

Correct Answer
verified

Which plant hormone is responsible for breaking the dormancy cycle in plants?

Correct Answer
verified

In order for senescence to be prevented,which hormone needs to be present in the plant?

Correct Answer
verified

An increase in the amount of protein produced is an advantage of using plants to develop products for the pharmaceutical industry.

Correct Answer
verified

Plants undergo an alternation of generations.The _ produces spores,which develop into the .

Correct Answer
verified

Flowering in most plants is triggered by

Correct Answer
verified

A gardener wants to stimulate branching but keep the apical meristem intact so that the plants will also grow in height.What hormone should be applied?

Correct Answer
verified

Exam 21: Plant Responses and Reproduction

What is the actual site of double fertilization?

Correct AnswerverifiedShow Answer

The aging process in plants is known as

Correct AnswerverifiedShow Answer

Which plant hormone is responsible for breaking the dormancy cycle in plants?

Correct AnswerverifiedShow Answer

In order for senescence to be prevented,which hormone needs to be present in the plant?

Correct AnswerverifiedShow Answer

An increase in the amount of protein produced is an advantage of using plants to develop products for the pharmaceutical industry.

Correct AnswerverifiedShow Answer

Plants undergo an alternation of generations.The _______ produces spores,which develop into the ______.

Correct AnswerverifiedShow Answer

Flowering in most plants is triggered by

Correct AnswerverifiedShow Answer

A gardener wants to stimulate branching but keep the apical meristem intact so that the plants will also grow in height.What hormone should be applied?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Plants undergo an alternation of generations.The _ produces spores,which develop into the .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified