Roquefort cheese is ripened by using a
Important Questions on Microbes in Human Welfare
| Column - I | Column – II | ||
|---|---|---|---|
| Clostridium butylicum | Lactic acid | ||
| Saccharomyces cerevisiae | Butyric acid | ||
| Aspergillus niger | Citric acid | ||
| Acetobacter aceti | Alcohol | ||
| Acetic acid |
Give microbial source of the following products in industrial production:
Pectinase
Give microbial source of the following products in industrial production:
Vitamin B12
Assertion The foolish seedling disease in rice seedlings is caused by a fungal pathogen, Gibberella fuzikuroi.
Reason E. Kurosawa reported the appearance of symptoms of the disease in uninfected rice seedlings when they were treated with sterile filtrates of the fungus and the active principle was identified as gibberellic acid.
The correct answer is:
Give microbial source of the following products in industrial production:
Chloromycetin
An example of microbe in human welfare is given. Classify it under the headings given below:
Some examples of microbes in human welfare are given. Classify them under the headings given below:
[Egs : Rhizobium, Propionibacterium sharmanii, Azospirillum, Lactic acid bacteria, Anabaena, Azotobacter, Aspergillus niger, Saccharomyces cerevisiae]
| Microbes in household | Microbe as Biofertilisers |
| Column–I | Column–II | ||
| a. | Citric acid | (i) | Trichoderma |
| b. | Cyclosporin A | (ii) | Clostridium |
| c. | Statins | (iii) | Aspergillus |
| d. | Butyric acid | (iv) | Monascus |
Give the biological names of the following:
The microbe used to produce Swiss cheese.
| Column I | Column II | ||
| A | Lactobacillus | (i) | Production of genetically-engineered clot busters |
| B | Monascus purpureus | (ii) | Production of citric acid |
| C | Streptococcus | (iii) | Conversion of milk into curd |
| D | Aspergillus niger | (iv) | Production of blood-cholesterol lowering agents |
Microbes are useful to human beings in diverse ways. If so, name the following:
Lactic acid-producing bacterium
Microbes are useful to humans in diverse ways. If so, name the following:
Microbe known as "Baker's yeast".
