A) old leaves
B) young leaves
C) young leaves followed by mature leaves
D) mature leaves followed by young leaves
Correct Answer: A
Solution :
Chlorosis is appearance of yellow colour due to non-synthesis or destruction of chlorophyll. It results due to deficiency of\[Mg,\,\,N,\,\,X,\,\,Ca,\,\,S\]. If chlorosis occur due to deficiency of nitrogen then first older leaves become yellow.
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