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291.

Lactic acid is produced by Rhizopus species 

  • R. oryzae 

  • R. stolonifer

  • R. nodosus 

  • R. sexualis


C.

R. nodosus 

Rhizopus species causing fermentation are :
(i) R. oryzae - Alcoholic fermentation
(ii) R. nodosus - Lactic acid fermentation
(iii) R. stolonifer (R. nigricans) - Fumaric acid fermentation.


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292.

Which of the following is non symbiotic bio-fertilizer

  • YAM

  • Anabaena

  • Azotobacter

  • Rhizobium


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