PDF chapter test TRY NOW
Take a leguminous plant like pea and find out if there are any nodes. Rhizobium bacteria live in such nodes.
a. When the root nodules are cut horizontally it appears in colour stating the active growth of microorganisms.
b. Leguminous crops contains the -fixing bacteria in their root .
c. The plants have a relationship with Rhizobium (nitrogen-fixing bacteria).
d. The atmospheric nitrogen is fixed in the usable form, which converts atmospheric nitrogen to soluble nitrogenous compounds - .
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