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Which of the following types of fruit do not split at maturity?


A) samaras
B) legumes
C) follicles
D) siliques
E) capsules

F) All of the above
G) A) and E)

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The fleshy edible part of the strawberry is actually the


A) compound carpel.
B) multiple achenes.
C) pericarp.
D) fleshy petals.
E) receptacle.

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

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Most monocots are _____________________.


A) woody trees
B) herbaceous
C) small shrubs
D) found in aquatic habitats
E) not valuable to feed, clothe or provide materials for people.

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

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The pistil of a flower


A) usually contains at least one ovule.
B) is always surrounded by petals.
C) produces pollen grains.
D) is always composed of a single carpel.
E) is a part of a peduncle.

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

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Follicles, legumes, and capsules all split at maturity.

A) True
B) False

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Seedless fruits that develop without fertilization occurring


A) are said to be apomictic.
B) do not have a mesocarp.
C) are always stimulated to develop by the application of dilute hormone sprays.
D) are said to be parthenocarpic.
E) develop only from a receptacle.

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

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The skin of most fruits is technically the


A) endocarp.
B) pericarp.
C) exocarp.
D) mesocarp.
E) dermocarp.

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

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Biennials are plants that complete their life cycles twice in one year.

A) True
B) False

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Some seeds require that the seed coat be partially digested or decayed before germination will occur.This process of altering the seed coat to permit germination is called


A) lignification.
B) scarification.
C) stratification.
D) senescence.
E) cracking.

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

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The hilum on a bean seed marks the spot where a radicle will emerge.

A) True
B) False

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When moisture enters a seed, a physical process called ______ causes the tissues to swell with tremendous expansion forces.


A) vivipary
B) imbibition
C) dehiscence
D) dehydration
E) osmosis

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

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In a young seedling the part of the stem below the cotyledons is called the


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

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

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Of the two classes of flowering plants, monocots are the most common, comprising approximately 75% of all known flowering plants.

A) True
B) False

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Which fruit or seed is dispersed by the wind?


A) maple
B) milkweed
C) dandelion
D) ash
E) all of these answers are correct.

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

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The dormancy of some seeds may be broken by placing them in a refrigerator for a few weeks.

A) True
B) False

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The part of the flower in which ovules are produced is the


A) stigma.
B) stamen.
C) carpel.
D) calyx.
E) style.

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

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Viability (retention of capacity to germinate) of seeds may often be extended by which of the following?


A) low humidity
B) higher temperatures
C) high oxygen
D) lack of oxygen
E) high carbon dioxide

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

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The growth of a seed embryo without any dormancy is known as


A) apomixis.
B) parthenocarpy.
C) vivipary.
D) stratification.
E) after-ripening.

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

Correct Answer

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An example of an aggregate fruit would be the


A) apple.
B) strawberry.
C) sunflower.
D) peach.
E) plum.

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

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