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Which one of the following microorganisms is used for the fermentation of coffee beans? (1) Candida krusei (2) Erwinia dissolvens (3) Lactobacillus delbrueckii (4) Lactobacillus plantarum Correct answer: (1) Candida […]

The following table lists some of the enzymes of fungi and bacteria having wide variety of industrial applications, including alcoholic beverages, food, detergents and pharmaceuticals, along with their microbial original […]

Industrial products in which bacteria are employed for production are shown in the following table: The correct combinations are (1) A – iii; B – i; C – ii; D […]

Electrons are transferred from reduced co-enzymes like NADH, NADPH to pyruvic acid its derivatives during fermentation. Those final electron acceptors are reduced to the end-product for example latic acid, propionic […]

Red wine and Red grapes are important source of which anti-tumour agent? (1) Taxol                                  […]

Fungus used for commercial production of citric acid is- (1) Neurospora          (2) Penicillium (3) Aspergillus          (4) Saccharomyces Correct answer: (3) Aspergillus Why […]

Among the following which is source of maximum antibiotics- (1) Streptomyces            (2) Penicillin (3) Actinomyces            (4) Bacillus Correct answer: (1) […]

Which microorganism is used for production of methanol as fuel in industry? (1) Acetobacter               (2) Azobacter (3) Sacchromyces          (4) Clostridium […]

Enzymes are nowadays used extensively in bio-processing industries. Enzymes 1 is used for treatment of hides to provide a finer texture, in leather processing and manufacture of glue. Enzyme 2 […]

Enzyme used in cheese production is- (1) Rennet             (2) α-Amylase (3) Lactase            (4) Trypsin Correct answer: (1) Rennet Rennet is […]