Why is Leghaemoglobin called an oxygen scavenger?

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Solution

Leghaemoglobin:
Leghemoglobin is an oxygen-restricting heme protein discovered in the cytoplasm of the curved knob cells that are concentrated in great concentrations in the roots of leguminous plants.
Leghemoglobin, an oxygen-carrying pigment, lowers the level of free oxygen in root nodules to preserve the anaerobic conditions necessary for nitrogenase action.
Be a result, it is referred to as an oxygen scavenger.

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