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Commercial micropropagation methods result in cloning of plants.

A) True
B) False

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Which of the following is NOT a fruit?


A) corn kernel
B) peas and beans
C) tomato
D) cucumber
E) onion

F) A) and B)
G) A) and C)

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Which of the following plant hormones could be used by industry to increase the size of sugarcane production?


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

F) A) and C)
G) A) and B)

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Which plant hormone is used by industry to cause fruits to drop from a tree?


A) indoleacetic acid
B) gibberellin
C) auxin
D) ethylene
E) abscisic acid

F) A) and B)
G) A) and C)

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The response of plants to the relative length of light and darkness is termed


A) phototropism.
B) photosynthesis.
C) photoperiodism.
D) translocation.
E) transpiration.

F) A) and B)
G) C) and D)

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Stored food in a cotyledon was derived from


A) part of the stigma.
B) the fruit.
C) triploid endosperm.
D) the egg nucleus.
E) the ovary.

F) A) and B)
G) A) and C)

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Compound fruits


A) include legumes like peas and beans.
B) are derived from a simple ovary of a single carpel.
C) develop from several individual ovaries.
D) include peaches, tomatoes, and cherries.
E) develop from a compound ovary of several fused carpels.

F) None of the above
G) A) and C)

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Which of the following is not a part of a developing eudicot embryo?


A) epicotyl
B) hypocotyl
C) cotyledon
D) radicle
E) coleoptile

F) A) and E)
G) C) and D)

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A pea is actually a seed.

A) True
B) False

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Cereal grains are one of the easiest plants to genetically modify.

A) True
B) False

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Describe the function of the following plant structures: petals,stamens,and carpel.

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The petals are the showy part of the pla...

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Double fertilization in an angiosperm produces


A) a diploid zygote and a haploid polar nucleus.
B) a diploid zygote and a diploid endosperm.
C) a diploid embryo and a triploid zygote.
D) a triploid embryo and a diploid endosperm.
E) a diploid zygote and a triploid endosperm.

F) A) and D)
G) C) and E)

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Plants could readily develop seasonal responses based on temperature changes but have evolved their rhythms based on a comparison of daylight and darkness.Why has the day-night ratio system been selected?


A) Temperature has no effect upon plant biochemistry.
B) Temperature is a gradation but day/night is all-or-nothing.
C) A plant's nervous system is tuned to light stimuli and not to temperature stimuli.
D) Temperatures fluctuate widely across seasons and from year to year, but photoperiod comparisons are a more reliable indicator of season.
E) Having a day-night system makes plants more likely to be an evolutionary success since animals follow day-night cycles as well.

F) C) and D)
G) None of the above

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The male gametophyte in flowering plants will be found within the


A) carpel.
B) ovary.
C) sepals.
D) filament.
E) pollen grain.

F) B) and E)
G) C) and D)

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How many nuclei are present inside a pollen grain?


A) none
B) one
C) two
D) three
E) four

F) B) and E)
G) A) and B)

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When an ice cap moves south or arid conditions push across a continent,a plant species can "migrate" although not as fast as individual animals usually travel.Which of the following generally allows a plant population to migrate the fastest?


A) pollination
B) fertilization
C) germination
D) seed dispersal
E) asexual or vegetative propagation

F) A) and B)
G) A) and C)

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