Q. Which one of the following is the reason for higher rate of transpiration in Sorghum as compared to maize?

A) Increased shoot/root ratio
B) Increased rate of respiratory quotient
C) Increased rate of phototsynthesis
D) Decreased shoot/root ratio
Explanation

Sorghum has high shoot root ratio (due to more length) than maize. According to Parker (1949), the ratio of transpiration is directly proportional to shoot-root ratio.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.