A) 2-5 atm
B) 1-5 atm
C) 0.1 - 0.2 atm
D) 4-6 atm
Correct Answer: B
Solution :
The term "root pressure" was given by father of physiology-Stephan Hales. It ranges from 1-5 atm. and very rarely 6 atm. Stocking 1956 defined root pressure as a ?pressure developing in tracheary elements of the xylem as a result of metabolic activities of roots?.
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