An organism used as a biofertilizer for raising soyabean crop is

An organism used as a biofertilizer for raising soyabean crop is
  1. Azospirillum
  2. Rhizobium
  3. Nostoc
  4. Azotobacter

Solution

Rhizobium leguminosarum is a symbiotic bacteria found in root nodules of legume. This bacterium has nitrogen fix nif gene and fixing $\mathrm{N}_2$. Soyabean is a legume. Thus, Rhizobium is used as a biofertilizer for raising soyabean crop.

Asked in: NEET 2011 (Screening)

Practice more Biotechnology and Its Applications questions on Aicharya