The most important function of Rhizobium is: - Vidyadip

MCQ

The most important function of Rhizobium is:

A
Ammonification.
B
Nitrification.
✓
$N_2$ fixation.
D
$N_2$ assimilation.

✓

Answer

Correct option: C.

$N_2$ fixation.

In a symbiotic relationship with the soil bacteria known as 'rhizobia' legumes form nodules on their roots (or stems, see figure below) to 'fix' nitrogen into a form usable by plants (and animals). Because legumes form nodules with rhizobia, they have high levels of nitrogen available to them.

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