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Xylem channels of the rootlets maintain ...

Xylem channels of the rootlets maintain a low water potential due to
(a) Maintenance of high salt content
(b) Presence of negative pressure or water tension
(c) Both a and b
(d) Occurrence of positive pressure

A

Maintenance of high salt content

B

Presence of negative pressure or water tension

C

Both A and B

D

Occurrence of positive pressure .

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