Question 1

If you were interested in slowing down or preventing senescence,you would most likely use which of plant hormones?

Accepted Answer

A) indoleacetic acid 
B) abscisic acid 
C) cytokinins 
D) gibberellins 
E) ethylene 
A) indoleacetic acid 
B) abscisic acid 
C) cytokinins 
D) gibberellins 
E) ethylene

Question 2

If you were a biologist studying the coiling response in morning glory plants,what would you be studying?

Accepted Answer

A) thigmotropism 
B) phototropism 
C) hydrotropism 
D) cytotropism 
E) gravitropism 
A) thigmotropism 
B) phototropism 
C) hydrotropism 
D) cytotropism 
E) gravitropism

Question 3

When a plant changes growth in response to a light stimulus,what is that called?

Accepted Answer

A) hydrotropism 
B) gravitropism 
C) phototropism 
D) thigmotropism 
E) cytotropism 
A) hydrotropism 
B) gravitropism 
C) phototropism 
D) thigmotropism 
E) cytotropism

Question 4

If you were studying plant hormones which encourage apical dominance by preventing the growth of axillary buds,you would be studying which hormone?

Accepted Answer

A) indoleacetic acid 
B) abscisic acid 
C) cytokinins 
D) gibberellins 
E) ethylene 
A) indoleacetic acid 
B) abscisic acid 
C) cytokinins 
D) gibberellins 
E) ethylene

Question 5

-This figure shows the signal transduction pathway in plants.What does "b" represent?

Accepted Answer

A) response 
B) receptor 
C) hormone 
D) transduction 
E) reception 
A) response 
B) receptor 
C) hormone 
D) transduction 
E) reception

Question 6

A plant physiologist is studying plants which flower when the day length is shorter than a critical length,such as goldenrod and poinsettia,which implies that these are

Accepted Answer

A) long-day plants 
B) phytochrome plants 
C) short-day plants 
D) photoperiod plants 
E) day-neutral plants 
A) long-day plants 
B) phytochrome plants 
C) short-day plants 
D) photoperiod plants 
E) day-neutral plants

Question 7

Which is a medicinal chemical produced by an organism other than a plant?

Accepted Answer

A) quinine to treat malaria 
B) penicillin to treat bacterial infections 
C) codeine to stop coughs 
D) vincristine to fight cancer 
E) morphine to treat pain 
A) quinine to treat malaria 
B) penicillin to treat bacterial infections 
C) codeine to stop coughs 
D) vincristine to fight cancer 
E) morphine to treat pain

Question 8

An unequal growth due to contact with a solid object is referred to as

Accepted Answer

A) hydrotropism. 
B) gravitropism. 
C) thigmotropism. 
D) cytotropism. 
E) phototropism. 
A) hydrotropism. 
B) gravitropism. 
C) thigmotropism. 
D) cytotropism. 
E) phototropism.

Question 9

If a biologist is studying chemical defense in plants,what kind of chemical would be the subect of the study?

Accepted Answer

A) primary metabolites 
B) ethylene gas 
C) secondary metabolites 
D) phytochromes 
E) abscisic acid 
A) primary metabolites 
B) ethylene gas 
C) secondary metabolites 
D) phytochromes 
E) abscisic acid

Question 10

Which of the following statements is true about turgor movements?

Accepted Answer

A) They are associated with growth. 
B) They are closely associated with the source of the stimuli. 
C) They are controlled by auxins. 
D) They are dependent on turgor pressure changes in plant cells. 
E) They are dependent on gibberellins. 
A) They are associated with growth. 
B) They are closely associated with the source of the stimuli. 
C) They are controlled by auxins. 
D) They are dependent on turgor pressure changes in plant cells. 
E) They are dependent on gibberellins.

Exam 24: Control of Growth Responses in Plants

If you were interested in slowing down or preventing senescence,you would most likely use which of plant hormones?

If you were a biologist studying the coiling response in morning glory plants,what would you be studying?

When a plant changes growth in response to a light stimulus,what is that called?

If you were studying plant hormones which encourage apical dominance by preventing the growth of axillary buds,you would be studying which hormone?

-This figure shows the signal transduction pathway in plants.What does "b" represent?

A plant physiologist is studying plants which flower when the day length is shorter than a critical length,such as goldenrod and poinsettia,which implies that these are

Which is a medicinal chemical produced by an organism other than a plant?

An unequal growth due to contact with a solid object is referred to as

If a biologist is studying chemical defense in plants,what kind of chemical would be the subect of the study?

Which of the following statements is true about turgor movements?

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