Q. No.The large holes in ‘Swiss Cheese’ are due to the production of a large amount of carbon dioxide by:
1. Propionibacterium shermanii
2. Methylophilus methylotrophus
3. Penicillium roqueforti
4. Penicillium camemberti
1. Propionibacterium shermanii
2. Methylophilus methylotrophus
3. Penicillium roqueforti
4. Penicillium camemberti
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Which of the following alcoholic drinks are produced without distillation?
1. Whiskey and Brandy
2. Brandy and Rum
3. Wine and Beer
4. Wine and Brandy
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The full potential of penicillin as an antibiotic was established by:
| 1. | Alexander Fleming | 2. | Florey and Chain |
| 3. | Avery and McCarty | 4. | Hershey and Chase |
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Which fungus is an important source for the production of citric acid?
1. Aspergillus niger
2. Aspergillus flavus
3. Trichoderma polysporum
4. Trichoderma harzianum
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A source of a ‘clot buster’ enzyme used in patients of CAD is the bacterium:
1. Staphylococcus aureus
2. Streptomyces griseus
3. Pseudomonas putida
4. Streptococcus pyogenes
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Statins produced by the yeast Monascuspurpureus have been commercialized as:
| 1. | hormone replacement therapy for menopausal women. |
| 2. | increasing receptor sensitivity in type II diabetes mellitus. |
| 3. | a clotting factor for the treatment of Hemophilia A. |
| 4. | blood-cholesterol lowering agent. |
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During which stage of the sewage treatment are the microbes used?
| 1. | Primary | 2. | Secondary |
| 3. | Tertiary | 4. | Quaternary |
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Biogas is a mixture of:
| 1. | Methane, Carbon dioxide, and Hydrogen sulfide |
| 2. | Methane, Carbon dioxide, and Ammonia |
| 3. | Methane, Ammonia, and Hydrogen sulfide |
| 4. | Ammonia, Carbon dioxide, and Hydrogen sulfide |
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A biological control being developed for use in the treatment of plant diseases is the fungus:
| 1. | Trichoderma | 2. | Pneumocystis |
| 3. | Claviceps | 4. | Epidermophyton |
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‘Toddy’, a traditional drink of some parts in southern India, is made by fermenting sap from:
| 1. | Soyabean | 2. | Bamboo shoots |
| 3. | Palms | 4. | Sugarcane |
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