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Plant embryos grow into seedlings by adding new cells at only two growth points which are called:


A) parenchyma cell points
B) collenchyma cell points
C) sclerenchyma cell points
D) vascular cell points
E) shoot and root apical meristems

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

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E

Dermal tissue comes from the protoderm meristem.

A) True
B) False

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The production of root hairs is mostly dependent on which of the following influences?


A) auxin production
B) position of an epidermal cell
C) width of the root
D) length of the root
E) position of the root in the soil

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

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The root hairs develop in the zone of elongation.

A) True
B) False

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Which of the following is not considered a plant organ?


A) leaf
B) stem
C) root
D) flower
E) seed

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

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Which of the following is NOT a type of root?


A) buttress
B) pneumatophore
C) prop
D) lateral
E) adventurous

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

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Which of the following is produced directly by the stem apical meristem (SAM) ?


A) protoderm
B) vascular cambium
C) cork
D) pith
E) bark

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

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Which of the following is a type of roots?


A) buttress
B) pneumatophores
C) prop
D) lateral
E) All of the choices are correct

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

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How did scientists determine that the shoot apical meristem (SAM) is genetically controlled?


A) They used Arabidopsis because its entire genome is known.
B) They used a dwarf Arabidopsis that has a dwarf meristem.
C) They discovered that the central zone cells of Arabidopsis do not function normally.
D) They discovered that the central zone cells of Arabidopsis differentiate very quickly.
E) Arabidopsis was not involved in this study.

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

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The function of the vascular cambium (a type of meristem) is to:


A) produce new growth at the tip of stems
B) produce secondary xylem and phloem
C) produce only xylem to make wood
D) produce only bark
E) produce new leaves

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

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Ground tissue is usually located between the dermal and vascular tissues.

A) True
B) False

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Mature bean seeds have starch stored in their endosperm.

A) True
B) False

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The term herbaceous implies that a plant:


A) is only found in wet environments
B) has not developed a secondary or vascular cambium
C) probably will live several years
D) has no apical meristem
E) lacks vascular tissue

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

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Roots have axillary buds that allow for the development of lateral or branch roots.

A) True
B) False

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False

Which of the following explains why leaf primordia develop in spiral or whorled patterns around the stem tip?


A) accumulation of auxin in the stem tip
B) depletion of auxin near leaf primordia
C) accumulation of auxin in leaf primordia
D) loosening of cell walls
E) None of these choices is correct

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

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Which of the following is not a type of root?


A) tap
B) fibrous
C) adventurous
D) branch
E) lateral

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

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C

Which plant part is a young sporophyte that lies dormant in the seed and is protected by the seed coat?


A) egg
B) sperm
C) embryo
D) flower
E) radical

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

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The protoderm of the apical meristem generates what cell types?


A) epidermal cells, trichomes, and fibers
B) trichomes, fibers, and guard cells
C) fibers, guard cells, epidermal cells, and vessels
D) cork cells, trichomes, epidermal cells, and guard cells
E) trichomes, guard cells, and epidermal cells

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

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Indeterminate growth is a characteristic of which of the following plant organs?


A) flowers and roots
B) shoots and roots
C) leaves and flowers
D) leaves and roots
E) shoots and leaves

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

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Flowers demonstrate indeterminate growth.

A) True
B) False

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