Question

Lactic acid is produced by Rhizopus species:

• A. R. oryzae
• B. R. stolonifer
• C. R. nodosus
• D. R. sexualis

Answer 1

Answer: (C)

R. nodosus

Answer 2

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