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प्रश्न
Define the following term
Antibiotics
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उत्तर
Antibiotics are chemical substances produced by microorganisms which can kill or retard the growth of other disease causing microbes even in low concentration. Antibiotic means “against life”.
संबंधित प्रश्न
Name the organism and enzyme which brings about the alcoholic fermentation of sucrose.
Antibiotic Chloromycetin is obtained from ______.
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 |
CO2 is not released during ________.
The gases produced in anaerobic sludge digesters are _______.
Write short notes on the following:
Microbial fuel cells
Give any two microbes that are useful in biotechnology.
Which one of the following is not true about antibiotics?
Given below are the list of the commercially important products and their source organisms. Select the option that gives the correct matches.
| List A | List B | ||
| S. No. | Bioactive Products | S. No. |
Microbes (Source Organism) |
| (A) | Cyclosporin - A | (i) | Streptococcus |
| (B) | Statins | (ii) | Trichoderma polysporum |
| (C) | Streptokinase | (iii) | Penicillium notatum |
| (D) | Penicillin | (iv) | Monascus purpureus |
Statement I - Toddy is made by fermenting fleshy pedicels of cashews nuts.
Statement II - Fenny is made by fermenting the sugar sap extracted from palm plants and coconut palm.
In light of above statements, select the correct answer from the option given below.
