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 Multiple Choice QuestionsMultiple Choice Questions

291.

Lactic acid is produced by Rhizopus species 

  • R. oryzae 

  • R. stolonifer

  • R. nodosus 

  • R. sexualis


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292.

Which of the following is non symbiotic bio-fertilizer

  • YAM

  • Anabaena

  • Azotobacter

  • Rhizobium


C.

Azotobacter

Anabaena, Nostoc, Aulosira etc., are agriculturally very important as non-symbiotic bacteria also called free living nitrogen fixing bacteria. VAM, Azotobacter and Rhizobium are symbiotic organisms.


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