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प्रश्न
Write the most important characteristic that Aspergillus niger, Clostridium butylicum, and Lactobacillus share.
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उत्तर
These all are acid producers. Examples of acid producers are Aspergillus niger (a fungus) of citric acid, Clostridium butylicum (a bacterium) of butyric acid and Lactobacillus (a bacterium) of lactic acid.
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संबंधित प्रश्न
Arrange the following in the decreasing order (most important first) of their importance for the welfare of human society. Give reasons for your answer.
Biogas, Citric acid, Penicillin and Curd
The microbial source of vinegar is ______.
Erythromycin is obtained from ______.
State the medicinal value and the bioactive molecules produced by Penicillium notatum.
What are A, B, C, and D in the table given below :
| Types of microbe | Name | Commercial product |
| Fungus | A | Penicillin |
| Bacterium | Acetobacter aceti |
B |
| C | Aspergillus niger | Citric acid |
| Yeast | D | Ethanol |
Match the column A with B and rewrite correct pairs.
| A | B | ||
| 1. | citric acid | a) | in medicine for solubility of Ca++ |
| 2. | fumaric acid | b) | confectionary |
| 3. | gluconic acid | c) | in resins as wetting agents |
Define the following term
Antibiotics
Define the following term
Zymology
Define the following terms
Superbug
When does antibiotic resistance develop?
Write short notes on the following:
Microbial fuel cells
Identify the organism used in the production of erythromycin.
Which of the following is/are the microbial source(s) for the enzyme pectinase?
The causal organism of foolish seedling disease in rice is ____________.
Which raw material is used in the fermentation processes of making beer?
What are fermentors?
Name any two industrially important enzymes.
How was penicillin discovered?
Match the following pairs:
| Column A | Column B | ||
| Antibiotic produced | Microbial source | ||
| (i) | Penicillin | (a) | Streptomyces venezuelae |
| (ii) | Chloromycetin | (b) | Bacillus licheniformis |
| (iii) | Bacitracin | (c) | Streptomyces aurifaciens |
| (iv) | Erythromycin | (d) | Streptomyces griseus |
| (v) | Streptomycin | (e) | Penicillium chrysogenum |
| (vi) | Terramycin | (f) | Streptomyces erythreus |
Write the microbial source of following organic acid:
Fumaric acid
