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Transport In Plants

Question

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Loss of water decreases or increases Ψ_w? Comment.

Solution

Loss of water lowers Ψ_w of leaf, because solute content is increased due to the loss of water.

Some More Questions From Transport in Plants Chapter

Why the cortex produces no resistance to movement of water ?

What is transmembrane pathway ?

Give the term for the ability to resist a pulling force.

Who introduced the apoplast—symplast concept ?

Why transpiration is more on lower surface than on upper surface of leaves ?

Give the term for the ability to rise in thin tubes.

What is capillarity ?

Name the two forces responsible for the rise of water in a capillary tube.

Which force is first operative in translocation of water through capillarity : cohesive force or adhesive force ?

Name the driving force for water movements in plants.

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