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Transport In Plants

Question

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Difference between Imbibition and Osmosis

Solution

Imbibition	Osmosis
1. It involves the absorption water by a solid substance wihtout getting dissolved.	1. It involves the movement of water or solvent from its higher chemical potential to lower chemical potential.
2. It does not need semi-permeable membrane.	2. A semi-permeable membrane is required in osmosis.
3. Heat is produced	3. Heat is not produced.
4. It is due to presence of colloidal particles.	4. It requires the presence of solute particles in solution form.

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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