Biology
NULL
Medium
Question
Deficiency of which of the following causes chlorosis __________________?
A
Nitrogen
B
Magnesium
C
Iron
D
Both A and B
✓ Official correct answer
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A
Nitrogen
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B
Magnesium
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C
Iron
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D
Both A and B
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Explanation
Chlorosis, the yellowing of plant leaves due to insufficient chlorophyll production, can result from a deficiency of either nitrogen or magnesium, both of which are essential components needed to synthesize chlorophyll.