Q. What organic acids are produced by fermentation process?

Q. Which microorganism is mostly used for ethanolic fermentation?

Ans:     Sacchromyces cerevisiae is most commonly used for

ethanolic fermentation which is a yeast.

Q. What organic acids are produced by fermentation process?

Ans:     Important organic acids produced by the fermentation

are acetic acid, lactic acid and citric acid, which are used in food industry and in medicines. They are the products of mold and bacterial fermentation.

Q. What are the antibiotics produced by fermentation?

Ans:     Antibiotics are the substances produced by one type of

microbial species which are injurious to the growth of other types. A number, of antibiotics such as penicillin streptomycin, tetracyclins, Chloromycetin etc. arc be mu commercially produced by making use of mold winch produce them by fermentation.