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What pathway is directly responsible for producing the gametophytes during the alternation of generations in plants?


A) mitosis
B) meiosis
C) binary fission
D) both mitosis and meiosis
E) None of the answer choices will produce gametophytes.

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

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Clover is an example of a what type of flowering plant?


A) long-day
B) short-day
C) day-neutral
D) intermediate-day
E) nonflowering

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

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List the features that enable us to distinguish the difference between a simple fruit and a compound fruit.

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A simple fruit is derived from...

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In order to produce a new plant via meristem culture,you need to remove the meristem from one plant and place it in a water containing various minerals.The meristem will then develop new shoots and roots.

A) True
B) False

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A friend complains that all of her houseplants have bent stems.You examine the plants and find that their stems all curve toward the light.What would you recommend to your friend to correct the problem?


A) Apply an auxin to the shady side of the stems.
B) Water the plants more frequently.
C) Apply gibberellins to the bases of the stems.
D) Turn each plant occasionally.
E) Repot the plants.

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

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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) A) and E)

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Which action would cause a long-day plant to flower?


A) Interrupt the day with a period of darkness.
B) Interrupt a long night with a flash of light.
C) Give the plant some phytochrome.
D) Allow an insect to pollinate the plant.
E) Keep the plant in the dark.

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

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Which of the following statements is NOT correct about flowering plants?


A) A sperm nucleus combines with one polar nucleus to form the endosperm.
B) A sperm nucleus combines with the egg nucleus to eventually form the embryo.
C) A pollen grain may be carried to the stigma of the ovary by the wind.
D) A pollen tube grows down the style.
E) They exhibit double fertilization.

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

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

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If digestive enzymes are used to remove the plant cell wall,the naked plant cell that remains is called a


A) plastid.
B) plantlet.
C) callus.
D) protoplast.
E) phytoplast.

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

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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 E)
G) A) and B)

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Which of these associations is NOT correct?


A) plumule-leaves
B) radicle-roots
C) seed coat-ovary wall
D) cotyledons-stored food
E) hypocotyl-stem

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

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From the discussion of long-day and short-day plants,it is obvious that "day-neutral" plants


A) flower when the night is shorter than a critical length.
B) flower when the night is longer than a critical length.
C) are not dependent on the length of the night or day for flowering.
D) have short stems or long stems,depending on the photoperiod.
E) have flowers that only open during the daytime.

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

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Which of the following statements is NOT true about flowering plants?


A) Sporophyte generation produces spores.
B) Gametophyte generation produces gametes.
C) Ovules contain the microspore mother cell.
D) Microspores undergo mitosis to produce pollen grains.
E) Megaspores undergo mitosis to produce an embryo sac.

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

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The protective sheath that first surrounds the shoot is called the


A) cotyledon.
B) coleoptile.
C) plumule.
D) radicle.
E) epicotyl.

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

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One of the new technologies developed from tissue culture and genetic engineering is plant hybridization.

A) True
B) False

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