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प्रश्न
With regard to the Biological Nitrogen Fixation by Rhizobium in association with soybean, which one of the following statement/ statements does not hold true.
विकल्प
Nitrogenase may require oxygen for its functioning
Nitrogenase is MO- Fe protein
Leg-hemoglobin is a pink coloured pigment
Nitrogenase helps to convert N2 gas into two molecules of ammonia
उत्तर
Nitrogenase may require oxygen for its functioning
Explanation:
Nitrogenase is highly sensitive to molecular oxygen (O2) and thus requires anaerobic conditions. Nodules have adaptations that ensure that the enzyme is protected from O2. To protect nitrogenase, the nodule contains an O2-scavenger celled leghaemoglobin.
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संबंधित प्रश्न
What are the steps involved in formation of a root nodule?
Plants absorb nitrogen as ______.
In Glycine max, the product of biological nitrogen fixation is transported from the root nodules to other parts as ______.
In some plants, like soyabean, fixed nitrogen is exported into the transpiration stream as :
Reaction carried out by N2 fixing microbes include
- \[\ce{2NH3 + 3O2 -> 2NO^{-}2 + 2H^{+} + 2H2O (i)}\]
- \[\ce{2NO^{-}2 + O2 -> 2NO^{-}3 (ii)}\]
Which of the following statements about these equations is not true
A farmer adds Azotobacter culture to soil before sowing maize. Which mineral element is being replenished?
Name one non-symbiotic nitrogen fixing prokaryote.
Complete the equation for reductive amination
\[\ce{->[?] + NH^{+}4 + NADPH ->[][?] glutamate + NADP + H2O}\]
Trace the events starting from the coming in contact of Rhizobium to a leguminous root till nodule formation. Add a note on importance of leg hemoglobin
Give the biochemical events occurring in the root nodule of a pulse plant. What is the end product? What is its fate?
