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Transport In Plants

Question

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Give the comparison among simple diffusion, facilitated diffusion and active transportation.

Solution

Simple Diffusion

Facilitated Diffusion

Active Transport

1. Membrane proteins are not required .

2. It is not selective.

3. Saturation does not occur.

4. It does not occur against concentration gradient.

5. ATP is not required.

1. Membrane proteins are required.

2. It is selective.

3. Saturation occurs.

4. Not against the concentration gradient.

5. ATP is not required.

1 . Membrane proteins are required.

2. It is selective.

3. Saturation occurs

4. Against the concentration gradient.

5. It needs ATP.

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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