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Transport In Plants

Question

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Difference between the following
(c) Osmotic Pressure and Osmotic Potential

Solution

Osmotic Pressure	Osmotic Potential
1.Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the inward flow of water across a semipermeable membrane.	1.Osmotic potential is defined as the ability of a solution to draw water in when separated from another solution by a semi-permeable
2. It is expressed in bars with a positive sign.	2. It is expressed in bars with a negative sign.

Some More Questions From Transport in Plants Chapter

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.

Name the substance which has maximum imbibition capacity.

Rubber cannot imbibe water. Name the solvent which can be imbibed by it.

What is pressure potential ?

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