1) How do mineral enter the root hair cell? a) Osmosis b) Diffusion c) Co-transport d) Active transport e) Facilitated diffusion 2) What is B? a) Root hair b) Cortex c) Endodermis d) Casparian strip e) Xylem 3) Which pathway involves water travelling through the cytoplasm and plasmodesmata? a) Apoplast b) Symplast 4) Which pathway is blocked by the casparian strip? a) Apoplast b) Symplast 5) What is found in C? a) Lignin b) Suberin 6) What describes the tendancy of water to 'stick' to the sides of xylem vessels? a) Cohesion b) Tension c) Root pressure d) Adhesion 7) What describes the tendancy of water to stick to other water molecules? a) Cohesion b) Tension c) Root pressure d) Adhesion 8) Which is only really useful in small, young plants because the force is weak. a) Cohesion b) Tension c) Root pressure d) Adhesion 9) Which of the following causes water to move up the xylem in a continuous column? a) Cohesion b) Tension c) Root Pressure d) Adhesion 10) Transpiration causes a) Cohesion b) Tension c) Root pressure d) Adhesion 11) Transpiration is advantageous because... a) The leaf is cooled b) Water which travels up the xylem also deliver vital nutrients c) Transpiration creates tensions which allows water to travel to the palisade cells. d) All of these 12) Water leaves the leaf via stomata by... a) Active transport b) Osmosis c) Diffusion d) Facilitated diffusion 13) Guard cells open the stoma when they are... a) Turgid b) Flaccid c) Plasmolysed 14) the active transport of which ion adjusts water potential causing guard cells to open / close the stoma? a) Sodium b) Calcium c) Magnesium d) Potassium 15) The guard cells in the picture on the right are... a) Turgid b) Flaccid c) Plasmolysed

Transport of water in plants

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