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On the basis of symptom of chlorosis in ...

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

A

Young leaves

B

Old leaves

C

Young leaves followed by old leaves

D

Old leaves followed by young leaves

Text Solution

Verified by Experts

The correct Answer is:
D
The elements that are actively mobilized within the plant and exported to young developing tissues, the deficiency symptoms tend to appear first in the older tissues. For example, the deficiency of NK, and Mg are visible first in the senescent (older) leaves.
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