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Question
In Nostoc, nitrogen fixation takes place in
In Nostoc, nitrogen fixation takes place in
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Solution
The correct option is C Heterocysts
Nostoc is a cyanobacterium. It has the ability to fix atmospheric nitrogen. It converts nitrogen into ammonia. The heterocysts present in it are specialized for nitrogen fixation. It contains enzyme nitrogenase. Nitrogenase is inactivated by oxygen. Hence, the heterocyst creates a micro anaerobic environment.Thus, the correct answer is 'Heterocysts.'
Nostoc is a cyanobacterium. It has the ability to fix atmospheric nitrogen. It converts nitrogen into ammonia. The heterocysts present in it are specialized for nitrogen fixation. It contains enzyme nitrogenase. Nitrogenase is inactivated by oxygen. Hence, the heterocyst creates a micro anaerobic environment.
Thus, the correct answer is 'Heterocysts.'
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