Question

Chlorosis (yellowing of leaves) is caused by deficiency of all except:

• A. Magnesium
• B. Iron
• C. Nitrogen
• D. Calcium

Answer 1

Answer:

D. Calcium

• Chlorosis, or yellowing of leaves due to chlorophyll loss, commonly results from deficiencies in magnesium (key component of chlorophyll molecule), iron (essential for chlorophyll synthesis), and nitrogen (needed for chlorophyll production).