Deck 11: Control Systems in Plants

Question 1

Which of the following is a function of the hormone ethylene?

A) simulate stem elongation
B) promote seed germination
C) promote fruit ripening
D) inhibit growth

Answer 1

promote fruit ripening

Question 2

What type of tree loses its leaves seasonally?

A) evergreen
B) deciduous
C) coniferous
D) broadleaf

Answer 2

deciduous

Question 3

Salicylic acid, the main component of aspirin, may be an example of a(n)

A) substance that attracts wasps to a plant being eaten by caterpillars.
B) substance encoded for by Avr genes.
C) amino acid that, when consumed by an insect, will kill that insect.
D) alarm hormone.

Answer 3

alarm hormone.

Question 4

Which of the following do plants use to defend themselves against pathogens?

A) distasteful compounds
B) thorns
C) toxic compounds
D) microbe-killing molecules

Question 5

After reading the paragraph below, answer the question(s) that follow(s).
A student conducts the following experiment at home: a bunch of unripe bananas are placed in an open bowl on the table; a second bunch of unripe bananas of equal size and number is placed in an adjacent bowl, but the bowl and fruit are sealed in plastic wrap.

-Which bunch of bananas will ripen first?

A) the unwrapped bananas
B) the wrapped bananas
C) There will be no difference in ripening rate.
D) The wrapped bananas will never ripen.

Question 6

After reading the paragraph below, answer the question(s) that follow(s).
A student conducts the following experiment at home: a bunch of unripe bananas are placed in an open bowl on the table; a second bunch of unripe bananas of equal size and number is placed in an adjacent bowl, but the bowl and fruit are sealed in plastic wrap.

-The gaseous hormone that is contributing to the ripening of the bananas is

A) cytokinin.
B) acetylene.
C) ethylene.
D) gibberellin.