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Question

State an incorrect statement w.r.t. phloem transport

A
Translocation is variable so transport is unidirectional
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B
Translocation of sucrose and water occurs through companion cells only
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C
Phloem sap is slightly alkaline
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D
Phloem is cutout to prove its role in translocation during girdling experiment
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Solution

The correct option is A Translocation is variable so transport is unidirectional
Xylem flow is unidirectional and phloem flow is bidirectional because xylem transport water from soil to leaves and phloem transfers the food.

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