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Standard XII
Biology
Classification of Essential Elements
Functional ro...
Question
Functional role of leg haemoglobin during the biological nitrogen fixation in leguminous root nodules is to
A
Protect nitrogenase from oxygen
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B
Convert ammonia to nitrites
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C
Convert atmospheric nitrogen to ammonia
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D
Transfer oxygen for the activity of nitrogenase
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Solution
The correct option is
A
Protect nitrogenase from oxygen
Haemoglobin protects Nitrogenase from
O
2
.
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Function of leghaemoglobin during biological nitrogen fixation in root nodules of legumes is to
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Assertion :The nitrogen - fixing bacteria in leguminous plant nodules live as symbionts Reason: Leg- haemoglobin synthesized by
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