Question 1

One cellular process that is affected by auxin is the ________.

Accepted Answer

A)   promotion of cell division in the cambium
B)   stimulation of ion transport into the vacuole
C)   formation of chloroplasts
D)   inhibition of ATP synthesis
E)   opening of stomatesF) A) and B)
G) C) and E)

Question 2

Commercial chrysanthemum growers may use a growth retardant to produce short, sturdy plants. It acts by blocking synthesis of ________.

Accepted Answer

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

Question 3

Statoliths are involved in phototropisms.

Accepted Answer

A) True 
 B)False

Question 4

Grass leaves may roll up in dry weather when certain cells lose their turgor.

Accepted Answer

A) True 
 B)False

Question 5

The fruit ripening process releases large quantities of

Accepted Answer

A)   auxin.
B)   cytokinin.
C)   ethylene.
D)   abscisic acid.
E)   gibberellin.F) B) and E)
G) B) and D)

Question 6

The flowering of Arabidopsis is a result of turning on a gene called ________ which produces of a protein that moves from the leaves to the buds to initiate flowering.

Accepted Answer

A)   phytochrome
B)   CONSTANS
C)   florigen
D)   FLOWERING TIME
E)   gibberellinF) A) and B)
G) A) and C)

Question 7

The pigment phytochrome has only one role in plant development; that role is involvement in plant photoperiodism.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is synthesized from carotenoid pigments in plastids?

Accepted Answer

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

Question 9

Auxins promote the growth of the stem by

Accepted Answer

A)   promoting cell division in the apical meristem.
B)   by promoting cell elongation.
C)   by promoting stomatal opening for greater photosynthesis.
D)   by inhibiting flowering.
E)   by inhibiting bud dormancy.F) A) and D)
G) B) and C)

Question 10

Which of the following play a major role in water-conservation movements of grasses?

Accepted Answer

A)   bulliform cells
B)   epidermal cells
C)   mesophyll cells
D)   glands
E)   fibersF) A) and D)
G) C) and D)

Question 11

________ is defined as an irreversible increase in mass due to the division and enlargement of cells.

Accepted Answer

A)   Development
B)   Differentiation
C)   Determination
D)   Growth
E)   ChangeF) B) and E)
G) A) and D)

Question 12

Phenylacetic acid (PAA)  is a/an ________.

Accepted Answer

A)   gibberellin
B)   auxin
C)   cytokinin
D)   an ethylene derivative
E)   None of these answers are correct.F) C) and E)
G) B) and C)

Question 13

The most important effect of cytokinin is its influence on

Accepted Answer

A)   cell division.
B)   stomatal opening.
C)   cell elongation.
D)   flowering.
E)   dormancy.F) C) and D)
G) A) and B)

Question 14

Special cells that facilitate the perception of gravity by root caps and coleoptiles are

Accepted Answer

A)   statoliths.
B)   leucocytes.
C)   taxes.
D)   amyloplasts.
E)   plebiscites.F) C) and E)
G) D) and E)

Exam 11: Growth

________ is defined as an irreversible increase in mass due to the division and enlargement of cells.

Correct Answer
verified

Which of the following play a major role in water-conservation movements of grasses?

Correct Answer
verified

Commercial chrysanthemum growers may use a growth retardant to produce short, sturdy plants. It acts by blocking synthesis of ________.

Correct Answer
verified

The flowering of Arabidopsis is a result of turning on a gene called ________ which produces of a protein that moves from the leaves to the buds to initiate flowering.

Correct Answer
verified

Auxins promote the growth of the stem by

Correct Answer
verified

Phenylacetic acid (PAA) is a/an ________.

Correct Answer
verified

One cellular process that is affected by auxin is the ________.

Correct Answer
verified

The pigment phytochrome has only one role in plant development; that role is involvement in plant photoperiodism.

Correct Answer
verified

Grass leaves may roll up in dry weather when certain cells lose their turgor.

Correct Answer
verified

Which of the following is synthesized from carotenoid pigments in plastids?

Correct Answer
verified

The most important effect of cytokinin is its influence on

Correct Answer
verified

Statoliths are involved in phototropisms.

Correct Answer
verified

Special cells that facilitate the perception of gravity by root caps and coleoptiles are

Correct Answer
verified

The fruit ripening process releases large quantities of

Correct Answer
verified

Exam 11: Growth

________ is defined as an irreversible increase in mass due to the division and enlargement of cells.

Correct AnswerverifiedShow Answer

Which of the following play a major role in water-conservation movements of grasses?

Correct AnswerverifiedShow Answer

Commercial chrysanthemum growers may use a growth retardant to produce short, sturdy plants. It acts by blocking synthesis of ________.

Correct AnswerverifiedShow Answer

The flowering of Arabidopsis is a result of turning on a gene called ________ which produces of a protein that moves from the leaves to the buds to initiate flowering.

Correct AnswerverifiedShow Answer

Auxins promote the growth of the stem by

Correct AnswerverifiedShow Answer

Phenylacetic acid (PAA) is a/an ________.

Correct AnswerverifiedShow Answer

One cellular process that is affected by auxin is the ________.

Correct AnswerverifiedShow Answer

The pigment phytochrome has only one role in plant development; that role is involvement in plant photoperiodism.

Correct AnswerverifiedShow Answer

Grass leaves may roll up in dry weather when certain cells lose their turgor.

Correct AnswerverifiedShow Answer

Which of the following is synthesized from carotenoid pigments in plastids?

Correct AnswerverifiedShow Answer

The most important effect of cytokinin is its influence on

Correct AnswerverifiedShow Answer

Statoliths are involved in phototropisms.

Correct AnswerverifiedShow Answer

Special cells that facilitate the perception of gravity by root caps and coleoptiles are

Correct AnswerverifiedShow Answer

The fruit ripening process releases large quantities of

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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