Question:
The process of guttation takes place
a. when the root pressure is high and the rate of transpiration is low.
b. when the root pressure is low and the rate of transpiration is high
c. when the root pressure equals the rate of transpiration
d. when the root pressure, as well as rate of transpiration, are high.
Solution:
Option (a) when the root pressure is high and the rate of transpiration is low is the answer.