Advertisements
Advertisements
प्रश्न
What are antibiotics?
Advertisements
उत्तर
Antibiotics are medicines that contain chemical compounds produced by some microorganisms and kill or inhibit the growth of hazardous or disease-causing germs. Antibiotics are highly beneficial since they protect us from microbial illnesses and disorders. They are formed of fungi and bacteria. Alexander Fleming discovered the first antibiotic, penicillin, in 1929. Many antibiotics are now used to treat a wide range of human and animal ailments. Some commonly used antibiotics include streptomycin, tetracycline, and erythromycin.
संबंधित प्रश्न
Give scientific reasons.
Enzymes obtained by microbial process are mixed with detergents.
Give scientific reasons.
Microbial enzymes are used instead of chemical catalysts in chemical industry.
Rewrite the following statement using the correct option and explain the completed statement.
Salts which can be used as supplement of calcium and iron are obtained from ______ acid.
Methane gas is produced by microbial oxidation of industrial waste.
Antibiotics cannot be obtained from a variety of bacteria and fungi.
Match the following.
| Column A | Column B |
| 1) Aspartame | a) Anaerobic respiration |
| 2) Fermentation | b) Microbial restrictor |
| 3) Niacin | c) Vanillin |
| 4) Essence | d) Sweetener |
Write a short note.
Probiotics
Complete the concept map.
In the process of making bread the carbohydrates in the flour are fermented by baker's yeast and sugar is transformed into carbon dioxide and ______.
Complete the following conceptual picture.
