Multiple choice

Which of the following organisms is used as a biofertiliser for raising soyabean crop?

  1. Nostoc

  2. Azotobacter

  3. Azospirillum

  4. Rhizobium

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

Soyabean is a legume which is associated symbiotically with Rhizobium.