Q. Which of the following species is used for vitamin B12 production by fermentation process?

View solution

Q. Malt used to ferment beer is prepared by

View solution

Q. Penicillin was first produced commercially using

View solution

Q. The present day high yielding penicillin are obtained from

View solution

Q. The medium utilized for fungal citric acid production should be deficient in

View solution

Q. Which of the following are commercially used for bacterial amylases production?

View solution

Q. An "International Unit" of penicillin activity established in 1944 is amount of penicillin equivalent to

View solution

Q. The man who first discovered the chemical that causes souring of milk was

View solution

Q. Which of the following is not a penicillin?

View solution

Q. Which of the following is a cephalosporin?

View solution

Q. Cephalosporin an antibiotic closely related to penicillin in structure and antibiotic activity are produced by species of

View solution

Q. The production of alcohol from lactose of whey is generally carried out by

View solution

Q. Which of the following is not a principal media for industrial alcohol production by fermentation?

View solution

Q. The first commercial fermention carried out to obtain L-lysine is known as

View solution

Q. The precursor of Penicillin G is

View solution

Q. The precursor used for production of vitamin B12 by Streptomyces olivaceus is

View solution

Q. Most biopolymers produced by micro-organisms are

View solution

Q. Microbial rennet, which is used in cheese manufacture is produced by

View solution

Q. Production of L-lysine can be carried out by

View solution

Q. The citric acid is recovered from the fermentation broth as

View solution