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Pollen comes from the


A) carpel.
B) petal.
C) stigma.
D) anther.

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

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D

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) None of the above
F) B) and C)

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What is the function of the generative cell in conifers?


A) Growth of the megaspore
B) Dispersal of the pollen
C) Production of the archegonium
D) Formation of the sperm

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

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

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Are any of these vegetables actually fruit?


A) Sugar beets
B) Corn
C) Carrots
D) Celery

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

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As the endosperm matures it swells and eventually becomes the fruit.

A) True
B) False

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

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D

The seed coat is formed by the hardening of the


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

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

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Pollination and fertilization are essentially the same process.If pollination occurs, fertilization will follow quickly.

A) True
B) False

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Why are conifers and cycads considered gymnosperms?rev: 03_26_2015_QC_CS-11824


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) B) and D)
F) None of the above

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In seed plants the sporophyte has been greatly reduced in size and is typically just a few cells.

A) True
B) False

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What does it mean if a plant is dioecious?


A) There is double fertilization of the embryo.
B) Pollination and fertilization are separate events.
C) There are separate male and female sporophytes.
D) The sporophyte and the gametophyte are on the same plant.

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

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Germination inhibitors that must be digested by acids in order to be removed help to ensure the seed will be dispersed with some fertilizer.

A) True
B) False

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

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

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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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Due to their pinnately compound leaves, tropical habitat, and overall appearance members of which phylum are often thought of as a type of palm?


A) Coniferophyta
B) Gentophyta
C) Cycadophyta
D) Ginkophyta

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

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All gymnosperms have needle-like leaves and produce some type of resin.

A) True
B) False

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False

The mature male gametophyte is produced


A) in the anther.
B) within the pollen granule during transfer.
C) when the pollen makes contact with the stigma.
D) in the pollen tube when the generative cell divides.

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

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

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