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प्रश्न
Name the scientists who were credited for showing the role of Penicillin as an antibiotic?
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उत्तर
Its full potential as an effective antibiotic was established much later by Ernest Chain and Howard Florey. This antibiotic was extensively used to treat American soldiers wounded in World War II. Fleming, Chain and Florey were awarded the Nobel Prize in 1945, for this discovery.
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संबंधित प्रश्न
Sketch and label 'tubular tower fermenter'.
Find out the name of the microbes from which cyclosporin A (an immunosuppressive drug) and statins (blood cholesterol lowering agents) are obtained.
Name the secondary metabolites in Catharanthus roseus.
Name any two antibiotics with their microbial source.
Expand DDT
Give the microbial source of Vit. B12
Give the biological name of the following:
The mould from which penicillin is obtained.
Name the microbes that help the production of the following product commercially:
Penicillin
MOET technique is used for _____________.
Give any two bioactive molecules produced by microbes and state their uses.
Identify the organism used in production of alcohol.
Study the following statements and select the correct option.
i. Pseudomonas denitrificans can synthesize Vitamin B12.
ii. The microbes Neurospora gossypii and Eremothecium ashbyi produce Vitamin B2.
iii. Vitamin C can be synthesized by the microbe Rhizopus arrhizus.
Match Column I (Product) and Column II (Source organisms/Organisms used in production) and choose the correct option.
| Column I | Column II | ||
| i. | Vitamin C | a. | S. cerevisiae |
| ii. | Beer | b. | A. niger |
| iii. | Chloromycetin | c. | Sclerotiana libertine |
| iv. | Pectinase | d. | S. venezuelae |
Match the following product in column - I with their ource in column - II. Select the correct option.
| Column - I | Column - II | ||
| (a) | Gluconic acid | (i) | Trichoderma koenigii |
| (b) | Vitamin B12 | (ii) | Streptomyces erythreus |
| (c) | Erythromycin | (iii) | Pseudomonas denitrificans |
| (d) | Cellulase | (iv) | Aspergillus niger |
Dr. Alexander Fleming discovered antibiotics when he was working with the bacterium ______
Anaerobic respiration of yeast produces:
Brandy is generally a product of:
______ is used for the production of beverages like wine, beer whiskey, brandy or rum.
Name the microbial sources of any two enzymes.
What are A, B and C in the table given below?
| Sr. No. | Microbes type | Name | Commercial product |
| 1. | Fungus | A | Penicillin |
| 2. | B | Aspergillus niger | Citric acid |
| 3. | Bacterium | Bacterium licheniformis | C |
