Transport in Plants Flashcards
All plants do not have _ fluid and a _ system.
interstitial, circulatory
Plants need to move water, _, organic nutrients, and _ _ over long distances.
minerals, growth regulators
What are the two directions plants transport various substances in?
1) Unidirectional
2) Multidirectional
An example of unidirectional transport is the transport of water and _ through the _.
minerals, xylem
An example of multidirectional transport is the transport of _ (organic compounds) and mineral _.
photosynthates, nutrients
Plant _ and other chemical stimuli are transported in a / manner from where they are _ to other parts.
hormones, polarised, unidirectional, synthesized
A _ carries water and _ from roots.
xylem, minerals
A _ has a one-way flow of sap.
xylem
This consists of a thick cell wall made of lignin.
Xylem.
Xylem cells have end walls between them.
False. No end walls.
_ vessels carry water and _ from leaves and to other parts of the plant.
Phloem, food
Phloem vessels have a - flow of sap.
two, way
It has a thin cell wall made of cellulose.
Phloem vessels.
Phloem vessels have _ walls and _.
end, perforations
It is the evaporative loss of water through the stomata of leaves.
Transpiration.
Most of the water in plants is lost through _.
transpiration
A _ chloride paper turns from _ to _ upon absorption of water.
cobalt, blue, pink
Exchange of _ and _ occurs during transpiration.
O2, CO2
Stomata are closed during daytime and open at night.
False.
The opening/closing of stomata is due to the _ of the guard cells.
turgidity
The inner wall of a guard cell is _ and _, and the outer wall is _.
thick, elastic, thin
Cell _ is turgidity.
swelling
As the turgidity of guard cells increases, the outer wall _ while the inner wall goes into a _ shape.
bulges, crescent
A guard cell’s cellulose microfibrils are oriented _.
radially
