Explore topic-wise MCQs in Microbiology.

Chlorotetracycline a broad spectrum antibiotic is produced by

The early assay employed for measuring penicillin activity were based upon the quantity required to prevent growth of S. aureus over

The organism B. brevis can be used commercially for the production of

Penicillin G is also known as

Rickes et al. recovered active crystalline vitamin B₁₂ from the culture of

Riboflavin is a by-product of __________ fermentation carried out by Clostridium spp.

The rapid process of microbial oxidation developed to produce acetic acid from ethanol at Schutzenbach, Germany is also known as

The production of acetic acid from ethanol is an

Which of the following is known for greater stability of the riboflavin producing capacity?

The species of Acetobacter which produces cellulosic strands to hold the cells in lime layer is

The commonly used media for submerged bacterial fermentation at commercial scale is

The strain C. glutamicum can be used for the production of

The maximum concentration of ethanol that is achieved by successive distillation of fermentation broth in continuous stills is

-carotene is also known as

Which of the following agents involve biosensors linking with electronic circuit?

The submerged fermentation of vinegar utilizes special fermentor designs known as

The major organism used in the microbial production of citric acid is

A major organism used in commercial bioleaching for copper recovery is

During fermentation, pyruvic acid is converted into organic products such as

The organism which utilizes the pentose of sulphite waste liquor for lactic acid production is

The aerated submerged bacterial fermentation to produce vitamin B₁₂ employs strains of

B. flavum strain can be used for the production of

Which of the following micro organism utilizes lactose as a carbon source in production of lactic acid from whey media?

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

Species of the genus Streptomyces are known for

The organism used to produce L-glutamic acid is

Which of the following is a heterofermentative micro-organism?

A major organic acid produced by a microbial process used in foods is

Alcohol production from starch and raw sugar utilizes selected strains of

Vinegar is a fermentation derived food product containing not less than