State the role of the casparian strip.

Makes all water move via symplast pathway

Define symplastic pathway.

Water moves cell-to-cell through plasmodesmata.

State the nutrients required by plants.

Carbon dioxide, oxygen, organic nutrients, ions, water

Define apoplastic pathway.

Water moves through cell walls until the casparian strip

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Duplicate of Transpiration

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Transpiration Basics for AS Biology #transpiration

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Questions 17

Answers

1
Explain why transpiration occurs.
The roots draw up water
Due to dry conditions
Plant is thirsty and needs water
The Sun evaporates water
2
Describe why carbon dioxide and oxygen do not require a transport system to travel in plants.
Active Transport
Diffusion
Stomata
They are processed in the plant leaves
3
Water vapor is found in the
Roots (entering the leaf)
Mesophyll layer (air spaces)
Palisade layer (air spaces)
Stomata (entering the leaf)
4
Name one kind of organism that does not require any transport system.
Bacteria
Mice
Cacti
Fish
5
Liquid water is found on the _______________ cells.
Guard
Mesophyll
Epidermis
Palisade
6
State the role of the casparian strip.
Makes all water move via apoplast pathway
Makes all water move via symplast pathway
Filters water and ions before going in the xylem
Controls the amount of water going in the xylem
7
State the driving force that pulls water through the xylem.
Osmosis
Active Transport
Hydrostatic Pressure
Diffusion
8
Define symplastic pathway.
Water moves cell-to-cell through plasmodesmata.
Water moves through cell walls until the casparian strip
9
State the mechanism by which water enters root hair cells
Active transport
Osmosis
Low pressure
Facilitated diffusion
10
State the vessel responsible for the transport of water (and inorganic ions).
Xylem
Phloem
Root Hairs
Mesophyll Layer
11
State the nutrients required by plants.
Carbon dioxide, oxygen, organic nutrients, ions, water
Carbon dioxide, oxygen, inorganic ions, water
Carbon dioxide, organic nutrients, organic ions, water
Oxygen, organic nutrients, ions, water, urea
12
Water evaporates from the
Palisade cells
Stomata
xylem
Mesophyll cells
13
Define apoplastic pathway.
Water moves cell-to-cell through plasmodesmata.
Water moves through cell walls until the casparian strip
14
Which water property/properties help pull water up the xylem?
Adhesion and cohesion
Density, adhesion, cohesion
Cohesion and density
Density and adhesion
15
Name and correctly spell the pores in cell walls that water can travel through.
Stomata
Plasmomata
Plasmodesmata
Stoma
16
Apoplast and Symplast are
Two pathways out of the leaf
Two pathways into the root hair
Two pathways into the xylem
Two pathways into the leaf
17
State the name of the structure in which water transpires out of a leaf.
Stomata
Guard Cells
Mesophyll
Palisade

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