Movement in xylem occur by
ascent of sap
diffusion
active transport
Answers
Answer:
active transport
Explanation:
Xylem tissue transports water and dissolved minerals from roots to leaves, using some active transport, but mostly passive processes. Phloem tissue transports dissolved sugars up or down a plant, using active transport and osmosis. ... The rest of the required nutrients are from water and minerals dissolved in the water.
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Answer:
assent of sap
Explanation:
The coheson tension theory of assent of sap explains movement of xylem.Evaporation of mesophyl cells in the leaves produce negative water potential gradient that causes water and mineral to move upwards from the roots through the stem . It is the right answer
Diffusion is movement of anything from region of higher concentration to lower concentration ,so it is not the right answer.
Active transport is movement of molecules from region of lower concentration to higher concentration against the concentration gradient, it requires energy , so is not correct.