Industrially Useful Microbial Processes Questions

• The early assay employed for measuring penicillin activity were based upon the quantity required to prevent growth of S. aureus over
• Which of the following is known for greater stability of the riboflavin producing capacity?
• The enzyme which converts optically active isomers of lactic acid to the optically inactive racemic mixture is
• Which of the following substance is employed to neutralize the lactic acid as it is produced (because lactic acid bacteria do not tolerate high concentrations of acid?
• Most productive species among the different vitamin B12 producing Pseudomonads is
• Which species from the followings is resistant to methyl tryptophan?
• Which of the following was the first amino acid to be produced commercially?
• The commonly used media for submerged bacterial fermentation at commercial scale is
• Rickes et al. recovered active crystalline vitamin B12 from the culture of
• Protease, which is used for flavouring of sake and haze removal in sake is produced by
• The recovery of vitamin from fermentation broth is carried out prior to
• Naringinase, an enzyme commonly used for removal of bitter taste from citrus juice is obtained from
• A major organism used in commercial bioleaching for copper recovery is
• Species of the genus Streptomyces are known for
• Pectinase, an enzyme used for increasing yield and for clarifying juice is obtained by
• Which of the following microorganism produces only L(+) - lactic acid without further racemization?
• Which of the following micro organism utilizes lactose as a carbon source in production of lactic acid from whey media?
• Fungal amylases using stationary culture with wheat bran utilizes
• Chlorotetracycline a broad spectrum antibiotic is produced by
• The production of acetic acid from ethanol is an