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Transport In Plants

Question

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Define the terms osmotic pressure and turgor pressure.

Solution

Osmotic pressure : It is the pressure which needs to be applied to a solution to prevent the entry of water across a semipermeable membrane.

Turgor pressure : It is the pressure exerted by protoplast upon the cell membrane of cell wall.

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.

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