Multiple choice

The symbiotic fixation of atmospheric nitrogen in root nodules of leguminous crops is brought about by

  1. rhizobium

  2. rhizopus

  3. rhizoclonium

  4. rhizoctonia

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

 Rhizobium is a symbiotic bacteria present in the root nodules of leguminous plants. It contains the enzyme nitrogenase that helps in the conversion of atmospheric free nitrogen into ammonia.