Q. If you are given a task to analyse phloem sap chemical, which of the following will be present in least concentration?
A) Water
B) Sugar
C) Minerals and nitrogen
D) Hormones
Explanation
Phloem sap is composed of organic substances in soluble forms. Sugar, hormone and water are the constituent of phloem sap. If one analyse the phloem sap chemically, presence of nitrogen and mineral is expected in least amount. While in xylem sap, its presence will be more
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.