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Question: Answered & Verified by Expert
The magnitude of root pressure ranges from:
BiologyTransport in PlantsJIPMERJIPMER 2004
Options:
  • A $2-5 \mathrm{~atm}$
  • B 1-5 atm
  • C 0.1-0.2 atm
  • D 4-6 arm
Solution:
1826 Upvotes Verified Answer
The correct answer is: 1-5 atm
The term root pressure was coined by Stephen Hales (1727). The evidences that support the existence of this phenomenon are bleeding and guttation. The magnitude of root pressure is $1-2 \mathrm{~atm}$ and very rarely 5 atm.

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