KVPY 2019 SB SX Exam Previous Papers

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Question : 80 of 120

Marks: +1, -0

Rhizobium forms symbiotic association with roots in legunnes and fixes atmospheric nitrogen. Which one of the following statement is CORRECT about this process?

Activity of nitrogenase is sensitive to oxygen
Activity of nitrogenase is insensitive to oxygen
Anaerobic conditions allow ATP independent conversion of nitrogen to ammonia
Under aerobic conditions, atmospheric nitrogen can be converted to nitrates by Rhizobium

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