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Transport in Plants
Question
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Comment upon the rate of diffusion. Name the factors that affect the rate of diffusion. 

Answer

Diffusion is a slow process. The diffusion rates are affected by the gradient of the concentration, the permeability of the membrane separating them, temperature and pressure. 

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Some More Questions From Transport in Plants Chapter

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.

What are the two factors which affect osmosis?

What is the condition of having more stomata on the lower surface called? 

Name the plant having more stomata on lower surface than on upper surface.

Name the plant having equal number of stomata on both surfaces.