Q. Given below are two statements : Statement I: The forces generated by transpiration can lift a xylem-sized column of water over 130 meters height. Statement II: Transpiration cools leaf surfaces sometimes 10 to 15 degrees, by evaporative cooling. In the light of the above statements, choose the most appropriate answer from the options given below:
A) Statement I is incorrect but Statement II is correct.
B) Both Statement I and Statement II are correct.
C) Both Statement I and Statement II are incorrect.
D) Statement I is correct but Statement II is incorrect.
Explanation
[Solution from source] Transpiration pull can lift a water column over 130 m, and evaporative cooling lowers leaf temperature by 10 to 15 degrees. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.