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Plant Growth and Development
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Molecular Basis of Inheritance
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Biological Classification
  1. During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by:
    1. Xanthophyll
    2. Carotene
    3. Cytochrome
    4. Leghemoglobin
Correct Option: D

Leghaemoglobin prevents oxygen poisoning which causes inactivation of nitrogenase.


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