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What is a feature of woody stems (in temperate regions) but not of herbaceous stems?


A) bud scale scars
B) internodes
C) nodes
D) axillary buds
E) shoot tip

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

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In terms of adaptation and diversity,what stage of the alternation of generations in flowering plants is analogous to the production of hundreds of fertilized eggs from a pair of wood frogs?


A) gametophyte stage
B) sporophyte stage
C) embryogenic stage
D) gametogentic stage

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

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As you experiment with microRNA,you find that you are able to disable it entirely.What do you predict would be the primary effect of this on a plant?


A) It would be left unable to grow leaves.
B) Chlorophyll production would cease.
C) Photosynthesis would cease.
D) Leaf shape would be unchangeD.

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

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Experiments suggest that the KNOX protein is closely associated with what plant hormone during the induction of leaf primordia?


A) auxin
B) ethanol
C) abscisic acid
D) ethylene
E) gibberellic acid

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

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The word meristem is derived from a Greek word meaning to divide.

A) True
B) False

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The mesophyll of the leaf


A) is located between the leaf veins.
B) is exposed to direct sunlight.
C) is mostly along the edges of the leaf.
D) is sometimes found in roots or stems.
E) is made up of palisade and spongy parenchyma cells.

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

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Where is the primary meristem located?


A) dermal tissue
B) vascular tissue
C) woody stem
D) root and stem tips
E) stem tip only

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

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Scientists discovered that the primary reason leaves either develop as simple or compound is related to


A) whether the KNOX gene is active or not active.
B) where the leaf primordium is positioned.
C) whether auxins are moving in the stem tip.
D) how fast the KNOX gene arrives at the primordium.
E) the protein PHANTASTICA and its interaction with auxins.

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

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If a cross section of a eudicot herbaceous stem were compared with the cross section of its root,how would they differ?


A) location of dermal tissue
B) location of ground tissue
C) location of vascular tissue
D) location of terminal buds

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

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What do eudicots have that is not present in monocots?


A) parallel venation
B) leaf blade
C) netted venation
D) nodes
E) internodes

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

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How can one distinguish between annuals,biennials,and perennials?


A) how tall they grow
B) the number of flowers they produce
C) the amount of root development
D) the environment they grow in
E) the time from seed germination to seed production

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

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