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Transport of Molecules in Plant

Transport of Molecules in Plant
When guard cells swell

stomata open
photosynthesis stops
stomata close
evaporation stops

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Transport of Molecules in Plant
Normally CO2 and O2 enter a plant by

diffusion
osmosis
active transport
evaporation

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

pressure flow hypothesis
cytoplasmic streaming
transpiration
root pressure theory

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

bulk flow
osmosis
active transport
diffusion

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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?

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

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

transpiration
pressure flow
cohesion
tension

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