Given below are two statements :
Statement I : The forces generated transpiration can lift a xylem-sized column of water over 130 meters
height.
Statement II : Transpiration cools leaf surfaces sometimes 10 to 15 degrees evaporative cooling.
In the light of the above statements, choose the most appropriate answer from the options given below :
(1) Both Statement I and Statement II are correct
(2) Both Statement I and Statement II are incorrect
(3) Statement I is correct but Statement II is incorrect
(4) Statement I is incorrect but Statement II is correct

Answer (1)
Sol. Statement I is correct as measurements reveal that the forces generated by transpiration can create
pressures sufficient to lift a xylem sized column of water up to 130 meters high.
Statement II is also correct as transpiration cools leaf surfaces, sometimes 10 to 15 degrees, by
evaporative cooling.