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← Nature & AnimalsWhich risk increases where legume crops show stunted growth despite sufficient fertilizer application?
A)Insufficient molybdenum inhibits symbiotic enzymes✓
B)Increased soil salinity reduces aeration
C)Soil acidity restricts phosphorus uptake
D)Fungal diseases impair root nodule formation
💡 Explanation
Insufficient molybdenum leads to impaired nitrogen fixation because it is a cofactor for nitrogenase, a key enzyme; the legumes cannot convert atmospheric nitrogen to usable forms, therefore they show stunted growth, rather than experiencing salinity, acidity, or fungal issues directly affecting nodule formation.
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