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Question

Which of the following statements are wrong?
(i) Mass flow of substances inside the plant is the result of pressure differences between the two points.
(ii) Diffusion cannot account for long distance movement of water and solutes in plants.
(iii) Movement through apoplast does not involve crossing the cell membrane.


A

(i)

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B

(ii)

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C

(iii)

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D

All the statements are correct.

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Solution

The correct option is B

All the statements are correct.


Mass flow of substances inside the plant is due to either a positive or a negative pressure gradient. Transport of substances can occur because of diffusion only through short distances. In the apoplast pathway, water moves outside the cell membrane. Hence, all the given statements are correct.


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