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प्रश्न
Aspergillus niger is used to prepare vit ______.
विकल्प
D
B2
B12
C
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उत्तर
Aspergillus niger is used to prepare vit C.
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संबंधित प्रश्न
Name the enzyme produced by Streptococcus bacterium? Explain its importance in medical Science?
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 |
Study the following statements and select the correct option.
i. Pseudomonas denitrificans can synthesize Vitamin B12.
ii. The microbes Neurospora gossypii and Eremothecium ashbyi produce Vitamin B2.
iii. Vitamin C can be synthesized by the microbe Rhizopus arrhizus.
Which raw material is used in the fermentation processes of making beer?
Antibiotics are -
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:
How has the discovery of antibiotics helped mankind in the field of medicine?
Why is distillation required for producing certain alcoholic drinks?
Name the microbial sources of any two vitamins.
Give the name of microbial source of antibiotic chloromycetin.
