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When water enters guard cells,turgor pressure ______ and the stomata ______.


A) increases; open
B) decreases; open
C) increases; close
D) decreases; close
E) does not change; close

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

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In the figure shown here,water evaporates from structure _____ and exits the leaf through structure _____.


A) 1; 5
B) 4; 5
C) 3; 5
D) 4; 3
E) 3; 1

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

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Photosynthesis primarily occurs in which tissues of the leaf shown here?


A) 1 and 5
B) 2 and 3
C) 1, 2, and 3
D) 2 and 4
E) 3, 4, and 5

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

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Cohesion and adhesion of water molecules produces a force sufficient to move water from the roots to the shoot tip of a plant.

A) True
B) False

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Cork cells are a type of ______ tissue that is produced by the __________.


A) epidermal; cork cambium
B) epidermal; vascular cambium
C) sclerenchyma; vascular cambium
D) collenchyma; cork cambium
E) sclerenchyma; cork cambium

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

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Vessel elements are to xylem as _____ are to phloem.


A) tracheids
B) sclerenchyma
C) sieve-tube members
D) companion cells
E) sieve plates

F) None of the above
G) A) and D)

Correct Answer

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What is the correct order of root zones starting with the root tip and moving upwards?


A) cell division - elongation - maturation
B) elongation - cell division - maturation
C) maturation - elongation - cell division
D) cell division - maturation - elongation
E) cell division - root cap - elongation

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

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Which feature determines whether or not a nutrient is a macronutrient or a micronutrient?


A) The concentration of the nutrient in the plant tissue.
B) The concentration of the nutrient in the soil.
C) The molecular size of the nutrient.
D) The availability of the nutrient in the environment.
E) The time of the year that the nutrient becomes available to the plant.

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

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