Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Which are related to ascent of sap? (1) Vital force theory (2) Cohesion theory (3) Physical force theory (4) Diffusion theoryA) 1,2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: A
Solution :
Mechanism of ascent of sap rests on vital force and physical force theory.
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