Question

discuss theories of water translocation​

Answer 1

Answer:

Force of gravity also affects water uptake by capillarity. According to this theory, water is first driven in due to force of adhesion between water and the walls of thin xylem vessels, i.e., tracheids.

Explanation:

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Answer 2

Answer:

(1) Translocation of water is transport of water along with dissolved minerals from roots to aerial parts.

(2) The movement is against the gravity and describecd as ascent ot sap.

(3) The translocation occurs through Iumen of water conducting tissue xylem mainly vessels and tracheids.

(4) Different theories have been discussed for translocation mechanism like vital force theory (Root pressure), relay pump. physical force (capillary), etc.

(5) Cohesion tension theory or transpiration pull theory is most widely accepted theory.