Q. Ascent of sap is
A) Active and requires energy expenditure by the soil
B) Passive, and no requirement of energy by the plants
C) Active and requires energy expenditure by the plants
D) Passive unless soil is dry
Explanation
Ascent of sap is passive and occurs along the concentration gradient. Hence, there is no need of energy in the process
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.