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Question

Transpiration (loss of water) from aerial parts of the plants would facilitate


A

Apoplastic movement of ions only

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B

Symplastic movement of ions only

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C

Both apoplastic and symplastic movement

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D

None of the above

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Solution

The correct option is A

Both apoplastic and symplastic movement


Transpiration is a physiological process of loss of water in the form of vapour through stomata of leaf to the atmosphere is a well-known process which facilitates transport of water and ions from the root cells to aerial parts of the plant. Thus, transpiration, being a passive process, creates a concentration gradient along the entire path of the water column. Therefore transpiration facilitates both apoplastic and symplastic movement of ions and water through transpiration pull against gravity.

Biology

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