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Transport In Plants

Question
CBSEENBI11000756
Wired Faculty App

Differentiate between the following
(b) Transpiration and Evaporation.

Solution

Transpiration

Evaporation

1. It is a physiological process and occurs in plants.

2. The water vapours diffuse through cucticle or through the stomata.

3. Living cells are involved.

4. Various forces such as vapour pressure, diffusion pressure, osmotic pressure, etc. are involved.

5. It is a slow process.

6. It is dependent upon anatomy of root, stem and leaves.

1. It is a physical process and occurs on any free surface.

2. Any liquid can evaporate. The living epidemis and stomata are not required.

3. It can occur from both living and non-living surfaces.

4. No such forces are involved.

5. It is a fast process.

6. It is independent of anatomy of leaf, stem and roots.

Some More Questions From Transport in Plants Chapter

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.

Name the substance which has maximum imbibition capacity.

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