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Transport of Molecules in Plant

Transport of Molecules in Plant
A widely accepted explanation for transport of sugar in phloem is called

cytoplasmic streaming
transpiration
pressure flow hypothesis
root pressure theory

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Transport of Molecules in Plant
Phloem is composed of

tracheids and sieve-tube elements
sieve-tube elements and companion cells
tracheids and vessel elements
vessel elements and companion cells

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Transport of Molecules in Plant
Water moves into roots of plants by

active transport
pressure flow mechanism
osmosis
diffusion

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Transport of Molecules in Plant
The movement of most minerals, including potassium into root cells is by

osmosis
active transport
diffusion
bulk flow

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Transport of Molecules in Plant
The cohesion-tension theory of water movement helps to explain how water moves from soil into root?

From leaf to root
Through the phloem
Into the guard cells
Through the xylem

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Transport of Molecules in Plant
The evaporation of water from leaves is called

cohesion
pressure flow
transpiration
tension

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