Leghaemoglobin occurs in

Root nodules for nitrogen fixation in non-leguminous trees are produced by species of the genus

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?

Quite often,pulse crops are not manured with nitrogenous fertilizers. This is because:

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 $Alnus$. What kind of relationship is observed between mycorrhiza and pine trees?

Microorganisms that live symbiotically on the roots of leguminous plants are...