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प्रश्न
Give the microbial source of Vit. B12
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उत्तर
Pseudomonas denitrificans is the microbial source of Vit. B12
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संबंधित प्रश्न
The most common substrate used in distilleries for the production of ethanol is _______.
Give any two bioactive molecules produced by microbes and state their uses.
Which of the following is a good producer of citric acid?
From the following identify the WRONG statements.
i. All enzymes are composed of proteins.
ii. All proteins are enzymes.
iii. Some hormones are proteins.
iv. Some nucleic acid also acts as enzymes.
v. All enzymes are inorganic in nature.
vi. Enzymes are biocatalysts.
Which one of the following processes involved in alcohol production is NOT involved in wine production?
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.
Match the following list of bacteria and their commercially important products:
| Bacterium | Product |
| A. Aspergillus niger | i. Lactic acid |
| B. Acetobacter aceti | ii. Butyric acid |
| C. Clostridium butylicum | iii. Acetic acid |
| D. Lactobacillus | iv. Citric acid |
Choose the correct match:
What is a broad spectrum antibiotic? Name one such antibiotic.
Name the microbial sources of any two vitamins.
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 |
