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Pre Test Quiz
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1
The movement of water from the roots to the leaves is best explained by
A)active transport.
B)the pressure-flow model.
C)the transpiration-translocation model.
D)the cohesion-tension model.
2
The loss of water from a leaf by evaporation is called
A)transpiration.
B)translocation.
C)cohesion.
D)active transport.
3
Which process is used by guard cells to take up water?
A)active transport
B)diffusion
C)filtration
D)osmosis
4
Which vascular tissue in a plant transports sugar?
A)xylem
B)phloem
C)vascular cambium
D)cortex
5
Sugar will be actively transported out of the sieve-tube cells found in the
A)bark.
B)leaves.
C)roots.
D)stems.





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