JIPMER2004BotanyTransport in Plants
The magnitude of root pressure ranges from:
Options
- A2-5 ~atm
- B1-5 atm
- C0.1-0.2 atm
- D4-6 arm
Correct answer
B. 1-5 atm
Step-by-step solution
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 ~atm and very rarely 5 atm.