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From what are fruits derived?


A) styles
B) ovaries
C) stigmas
D) anthers
E) filaments

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

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Why is external water not essential for fertilization in seed plants?


A) The sperm cells in seed plants are capable of resisting desiccation.
B) Seed plants use pollen instead of sperm for fertilization.
C) Pollen grains are transported by wind or an animal.
D) Sperm cells are used to transport pollen to the archegonia.
E) Ovules are contained within the pollen.

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

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In seed plants the entire male gametophyte is transported to the female.

A) True
B) False

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Antipodals and synergids are


A) produced in the female gametophyte.
B) the result of double fertilization.
C) what will fuse to form the endosperm.
D) responsible for pollen tube formation.
E) nonfunctional vestigal structures.

F) All of the above
G) B) and D)

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Are any of these vegetables actually fruit?


A) Sugar beets
B) Corn
C) Carrots
D) Celery
E) All of these are vegetables,none of them are fruit.

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

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A researcher brings a sample of dry soil to the lab,wets it,provides ample amounts of fertilizer,and places the soil in a container in a greenhouse.Which type of plant would be least likely to emerge?


A) Pine seedling
B) Sunflower
C) Corn
D) Wheat
E) Liverwort

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

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After fertilization the zygote continuously develops until an embryonic plant is formed within the seed.

A) True
B) False

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Drupes have multiple seeds and fused carpels.

A) True
B) False

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Ephedrine is a stimulant that is derived from a member of the phylum


A) Hepaticophyta.
B) Gnetophyta.
C) Pterophyta.
D) Cycadophyta.

E) C) and D)
F) A) and B)

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Why are conifers and cycads considered gymnosperms?


A) They have true vascular tissue but do not form seeds.
B) The female gametophyte is not completely enclosed in sporophyte tissue at the time of pollination.
C) The fruit is not fleshy.
D) The pollen is wind-dispersed.
E) Pollination and fertilization occur at different times.

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

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The breakdown of antipodals


A) is a normal part of development in the ovule.
B) would result in a seed without a seed coat.
C) would produce an ovule with no egg cell.
D) would cause a failure in endosperm development.

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

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What happens to the ovary after fertilization in angiosperms?


A) It dies.
B) It forms the seed coat.
C) It becomes food for the embryo inside the seed.
D) It becomes the fruit.

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

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Based on the outcome for plants,a monkey eating a banana is a


A) pollinator.
B) fertilizer.
C) disperser.
D) parasite.

E) All of the above
F) B) and C)

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Double fertilization occurs when


A) the sperm and tube nuclei fertilize the egg.
B) two sperm cells fertilize the two polar nuclei.
C) one sperm fuses with the egg and the other sperm fuses with both polar nuclei.
D) the polar nuclei fuse with the egg after it has fused with the sperm.

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

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Children in the Southeastern United States play with red maple fruits (Acer rubrum) .The fruits are tossed in the air and spin back to the ground,acting like small helicopters.Which part of the fruit allows for this?


A) The pericarp
B) The integument
C) The endosperm
D) The ovule

E) B) and C)
F) A) and D)

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The seed coat is formed by the hardening of the


A) ovule.
B) integument.
C) endosperm.
D) embryo.
E) prothallus.

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

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