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Q.
Bulk flow of substances over the longer distances through
the vascular tissue is called
Transport in Plants
Solution:
The movement of organic food or solute in soluble
form, from one organ to another organ is called
translocation of organic solutes. The process of
translocation requires expenditure of metabolic energy and
the solute moves at the rate of $100\, cm/hr$. The translocation
of solutes occurs in a mass along with cell sap through the
sieve tubes from a region of higher turgor pressure to low
turgor pressure (i.e, along a turgor pressure gradient).