State the role of the casparian strip.

Makes all water move via symplast pathway to reduce water loss

Define symplastic pathway.

Water moves cell-to-cell through plasmodesmata.

Define apoplastic pathway.

Water moves through cell walls until the casparian strip

Explain why transpiration occurs.

Water evaporates from the leaves

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5B Transpiration

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Transpiration Basics for VCE Biology

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1
State the role of the casparian strip.
Makes all water move via apoplast pathway
Makes all water move via symplast pathway to reduce water loss
Filters water and ions before going in the xylem
Controls the amount of water going in the xylem
2
Define symplastic pathway.
Water moves cell-to-cell through plasmodesmata.
Water moves through cell walls until the casparian strip
3
State the driving force that pulls water through the xylem.
Hydrostatic Pressure
Osmosis
Active Transport
Diffusion
4
Name one kind of organism that does not require any transport system.
Fish
Mice
Cacti
Bacteria
5
State the mechanism by which water enters root hair cells
Active transport
Osmosis
Low pressure
Facilitated diffusion
6
How do gases enter and leave the leaf?
They are processed in the plant leaves
Stomata
Diffusion
Active Transport
7
Apoplast and Symplast are
Two pathways into the xylem
Two pathways into the root hair
Two pathways into the leaf
Two pathways out of the leaf
8
Define apoplastic pathway.
Water moves cell-to-cell through plasmodesmata.
Water moves through cell walls until the casparian strip
9
Which feature allows xylem to stay strong under hydrostatic pressure?
Cell thickenings
Cell walls
Osmosis
Magic
10
Liquid water is found on the _______________ cells.
Guard
Mesophyll
Palisade
Epidermis
11
State the name of the structure in which water transpires out of a leaf.
Palisade
Mesophyll
Stomata
Guard Cells
12
Which water property/properties help pull water up the xylem?
Density, adhesion, cohesion
Adhesion and cohesion
Density and adhesion
Cohesion and density
13
Explain why transpiration occurs.
The roots draw up water
Water evaporates from the leaves
Due to dry conditions
Plant is thirsty and needs water
14
Water vapor is found in the
Palisade layer (air spaces)
Mesophyll layer (air spaces)
Roots (entering the leaf)
Stomata (entering the leaf)
15
State the vessel responsible for the transport of water (and inorganic ions).
Mesophyll Layer
Phloem
Root Hairs
Xylem

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