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NEET2018ZoologyMicrobes in Human WelfareActual

Which of the following can be used as biofertiliser in cotton field?

Options

  1. AAzolla-Anabaena
  2. BStreptococcus
  3. CAzospirillum
  4. DAzotobacter chroococcum

Correct answer

D. Azotobacter chroococcum

Step-by-step solution

Cotton is a dicotyledonous crop. The best biofertiliser for cotton is Bacillus subtilis and Azotobacter chroococcum. These are free living nitrogen fixing bacteria and enhance the fertility of soil.

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