Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation?
- ALeghaemoglobin scavenges oxygen and is pinkish in colour.
- BNodules act as sites for nitrogen fixation.
- CThe enzyme nitrogenase catalyses the conversion of atmospheric $N_2$ to $NH_3$.
- DNitrogenase is insensitive to oxygen.
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We find that $Rhizobium$ forms nodules on the roots of leguminous plants. Also,$Frankia$,another microbe,forms nitrogen-fixing nodules on the roots of the non-leguminous plant $Alnus$. Is it necessary for a microbe to be in close association with a plant to provide mineral nutrition? Explain with the help of one example.
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View SolutionLeghaemoglobin occurs in
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View SolutionAssertion : Leguminous plants are nitrogen fixers.
Reason : Leguminous plants have $Rhizobium$ in their root nodules.
Reason : Leguminous plants have $Rhizobium$ in their root nodules.
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View SolutionLeguminous plants have the ability to fix atmospheric nitrogen through a symbiotic nitrogen fixation process. Which of the following statements is $NOT$ true regarding this process?
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View SolutionWhich of the following is responsible for nitrogen fixation in an aquatic fern?
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