Q. On the basis of symptoms of chlorosis in leaves, a student inferred that this was due to the deficiency of nitrogen. This inference could be correct only if we assume that yellowing of leaves appeared first in

A) Old leaves
B) Young leaves
C) Young leaves followed by mature leaves
D) Young leaves followed by young leaves
Explanation

Deficiency of nitrogen leads to yellowing of leaves that appeared first in old leaves.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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