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What accounts for the attractiveness of many flowers that helps enhance their reproductive opportunities?


A) petals
B) sepals
C) carpel
D) stamens
E) ovary

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Which of the following is not a characteristic of a somatic embryo?


A) These are asexually produced.
B) These are produced in large tanks called bioreactors.
C) These are genetically quite diverse.
D) These are encapsulated in a protective gel for shipping.
E) These will generate an entire mature plant.

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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) non-flowering

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Which of the following would be considered a dry fruit?


A) one that doesn't split open
B) one derived from a simple ovary
C) one derived from the receptacle and not the ovary
D) one derived from several individual ovaries
E) one derived from many different carpels

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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.

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What pathway produces the gametophytes during the alternation of generations in plants?


A) mitosis
B) meiosis
C) binary fission
D) both mitosis and meiosis
E) none of these pathway will produce gametophytes

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Hemp (Cannabis sativa) is a dioecious plant.This means that the flowers of hemp


A) are complete.
B) are incomplete.
C) are perfect.
D) contain both stamens and carpels.
E) contain both petals and sepals.

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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.

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Positive phototropism and positive gravitropism occur from the action(s) of


A) auxin in both cases.
B) gibberellin and auxin, respectively.
C) cytokinin and auxin, respectively.
D) abscisic acid and ethylene, respectively.
E) ethylene and auxin, respectively.

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The pollen grain contains the


A) sperm.
B) egg.
C) embryo.
D) endosperm.
E) anther.

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Plant hormones are small organic molecules produced by the plants themselves.

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What flower mechanism would not help prevent pollination by a foreign plant species?


A) A pollen tube only grows inside the style of its own species.
B) The stigma is sticky mainly to its own species of pollen.
C) The timing of flowering keeps pollinators moving among a limited number of species.
D) Flowers attract a small number of specialized pollinators, and therefore pollen is not spread equally to all available species of flowers.
E) Flowers of different plant species bloom at the same time with flowers of similar shape, size, and color.

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Which statement is NOT true about the life cycle of flowering plants?


A) The sporophyte is diploid.
B) The sporophyte produces two different types of spores.
C) The female gametophyte is the seed.
D) The male gametophyte is the pollen grain.
E) The female gametophyte is retained within the body of the sporophyte parent generation.

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Peas and beans are considered legumes.Why?


A) A legume is a fruit that splits along two sides when mature.
B) They are both simple fruits.
C) The actual seed is inside the pod.
D) Both are green when ripe.
E) Both develop relationships with nitrogen fixing bacteria.

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You are examining a seed with tiny white plumes attached to it.How is this type of seed most likely dispersed?


A) by animals who eat it
B) by floating on water
C) by the wind
D) by attaching to the fur of animals
E) by bursting forth from the seed pod

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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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A hormone called cytokinin was discovered in coconut milk and found to stimulate cell division.With this function,where else in a plant would you expect to find cytokinin?


A) bark
B) pith
C) root tips
D) spongy mesophyll
E) xylem

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You find a plant that appears to contain stamens and carpels but no petals or sepals.What could you conclude about this "flower"?


A) The plant is pollinated by the wind.
B) The plant is sterile.
C) The plant is dioecious.
D) The flower is considered complete.
E) The plant is really a gametophyte.

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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.

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The two-stage life cycle in plants evolved as an adaptation to life on land.

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