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प्रश्न
Define the following term
Antibiotics
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
Why are the fruit juices bought from market clearer as compared to those made at home?
The microbial source of vinegar is ______.
From which microbial sources can pectinase be obtained?
Erythromycin is obtained from ______.
Name the enzyme produced by Streptococcus bacterium? Explain its importance in medical Science?
Name any two enzymes and antibiotics with their microbial source.
Saccharomyces cerevisiae is used to produce enzyme ______.
Name two acids produced by using Aspergillus niger?
The gases produced in anaerobic sludge digesters are _______.
When does antibiotic resistance develop?
What is referred to as industrial alcohol? Briefly describe its preparation.
Identify the organism used in the production of erythromycin.
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 enzyme in column l with its microbial source in column ll and select the correct alternative.
| Column I | Column II | ||
| (i) | lnvertase | (a) | Rhizopus sp |
| (ii) | Pectinase | (b) | Saccharonmyces cerevisiae |
| (iii) | Lipase | (C) | Trichoderma konigi |
| (iv) | Cellulase | (d) | Sclerotiana libertine |
In alcoholic fermentation:
Which of the following is used in detergents?
Match List - I with List - II.
| List I | List II | ||
| (a) | Aspergillus niger | (i) | Acetic Acid |
| (b) | Acetobacter aceti | (ii) | Lactic Acid |
| (c) | Clostridium butylicum | (iii) | Citric Acid |
| (d) | Lactobacillus | (iv) | Butyric Acid |
Choose the correct answer from the options given below.
Which one of the following alcoholic drinks is produced without distillation?
Write the most important characteristic that Aspergillus niger, Clostridium butylicum, and Lactobacillus share.
Name an immune immunosuppressive agent?
