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← Nature & AnimalsWhich outcome results when leguminous plants experience a manganese deficiency?
A)Decreased nitrogenase enzyme activity✓
B)Increased susceptibility osmotic stress
C)Enhanced phosphate transport efficiency
D)Reduced chlorophyll biosynthesis rates
💡 Explanation
Manganese deficiency decreases nitrogenase activity because manganese acts as a cofactor for the nitrogenase enzyme, crucial in nitrogen fixation. Therefore, nitrogen fixation is impaired; rather than enhanced nutrient uptake of other elements.
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