Q. No.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
Which fungus is an important source for the production of citric acid?
1. Aspergillus niger
2. Aspergillus flavus
3. Trichoderma polysporum
4. Trichoderma harzianum
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
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. |
During which stage of the sewage treatment are the microbes used?
| 1. | Primary | 2. | Secondary |
| 3. | Tertiary | 4. | Quaternary |
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 |
A biological control being developed for use in the treatment of plant diseases is the fungus:
| 1. | Trichoderma | 2. | Pneumocystis |
| 3. | Claviceps | 4. | Epidermophyton |
‘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 |
With reference to human beings, antibiotics are actually:
| 1. | Anti life | 2. | Pro-life |
| 3. | Irrelevant to life | 4. | Defining life |
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