A) Relay pump theory
B) Pulsation theory
C) Root pressure theory
D) Transpiration pull theory
Correct Answer: B
Solution :
Sir JC Bose proposed pulsation theory to explain the process of ascent of sap. This theory believes that the inner most cortical cells of the root absorb water from the outer side and pump the same into xylem channels.You need to login to perform this action.
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