Q. Deficiency symptoms of nitrogen and potassium are visible first in :
A) Senescent leaves
B) Young leaves
C) Roots
D) Buds
Explanation
[Solution] N and K are mobile elements, moved to young tissues, so older (senescent) leaves show deficiency first. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.