Question

Transport of Water in Plants
16. Select the correct statements regarding the flow of sap in
xylem?
(i) Flow is driven by higher concentration of sugar in the
vessel elements.
(i) Flow from root to twigs and leaves would be reduced if
leaves are removed.
(iii) In the morning, sap begins to flow first in the twig then
in trunk.
(iv) Rapid flow of water put tissues under pressure much
more than atmospheric pressure.
(a) (i) and (iv)
(b) (ii) and (iii)
(C) (i), (ii), (iii) and (iv) (d) None of these
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Answer 1

Answer:

b.

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