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Plant Structure and Function
The Plant Body Chapter 24
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Vascular plant tissue includes all of the
following EXCEPT meristem. sieve tube cells. vessels. tracheids. companion cells. Answer: a
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Which is CORRECT about monocots?
Vascular bundles in the stem are in a ring. Their floral parts are usually in 3’s. They usually have taproots. The veins in the leaves are netlike. All of the above. Answer: b
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Cortex, mesophyll, epidermal cells, and pith
all consist of parenchyma. collenchyma. schlerenchyma. both b and c all of the above Answer: a
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To observe the process of mitosis in plant
roots, a student should examine the root’s root cap. zone of maturation. meristem tissue. pericycle. endodermis. Answer: c
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Which of the following tissue types gives
rise to all other plant tissues? a. parenchyma b. collenchyma c. schlerenchyma d. xylem e. phloem Answer: a
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Asexual (vegetative) organs
stem root internode node petiole leaf blade Asexual (vegetative) organs
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flower seed fruit Sexual Organs
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root hairs guard cells Epidermal Tissue cork glands
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Ground Tissue (Filler)
parenchyma collenchyma Least specialized Ground Tissue (Filler) sclerenchyma
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Vascular Tissue (Stele)
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Meristem (embryonic tissue)
Plants constantly grow in specialized areas only! Meristem (embryonic tissue)
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Embryonic root cross section
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procambium (vascular tissue)
ground meristem (ground tissue) protoderm (epidermis) procambium (vascular tissue)
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fibrous root (monocot)
taproot (dicot) First root grows straight down ex. Beet fibrous root (monocot) Anchor/ hold soil ex. grss Secondary growth adventitious root pericycle Grow from lower nodes of stem Dicots- from vascular tissue
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parasitic mutualistic haustoria mycorrhizae (fungus)
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Soybean root nodules, each containing billions of Bradyrhizobium bacteria
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Shoot Apical Meristem Produces new cells that elongate,
Terminal bud Produces new cells that elongate, increasing length Continually differentiating Primary growth Mature non-woody stems (herbaceous) Most monocots Shoot Apical Meristem
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rhizome stolon tuber tendril corm
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(Stipules)
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spines tendril Modified leaves bulb insect catching
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Secondary growth Second and subsequent years Lateral meristem
Woody Stems Second and subsequent years Lateral meristem
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Spring wood: wide vessels for transport
Summer wood: more fiber and tracheids (less vessels) Spring wood + summer wood = annual ring
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Cork Cambium Cork Wood Bark
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Which is CORRECT about monocots?
Vascular bundles in the stem are in a ring. Their floral parts are usually in 3’s. They usually have taproots. The veins in the leaves are netlike. All of the above. Answer: b
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Vascular plant tissue includes all of the
following EXCEPT meristem. sieve tube cells. vessels. tracheids. companion cells. Answer: a
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Cortex, mesophyll, epidermal cells, and
Pith all consist of parenchyma. collenchyma. schlerenchyma. both b and c all of the above Answer: a
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Which of the following tissue types gives
rise to all other plant tissues? a. parenchyma b. collenchyma c. schlerenchyma d. xylem e. phloem Answer: a
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To observe the process of mitosis in plant
roots, a student should examine the root’s root cap. zone of maturation. meristem tissue. pericycle. endodermis. Answer: c
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