Advertisements
Advertisements
प्रश्न
Which of the following microorganism is used for production of citric acid in industries?
विकल्प
Lactobacillus bulgaris
Penicillium citrinum
Aspergillus niger
Rhizopus nigricans
Advertisements
उत्तर
Aspergillus niger
संबंधित प्रश्न
Bacteria cannot be seen with the naked eyes, but these can be seen with the help of a microscope. If you have to carry a sample from your home to your biology laboratory to demonstrate the presence of microbes with the help of a microscope, which sample would you carry and why?
Write short notes on the following:
Brewer's yeast
Milk is converted to curd by:
Match the columns.
| Product | Microbe | ||
| A | Curd | 1 | Yeast |
| B | Bread | 2 | Propionibacterium |
| C | Swiss Cheese | 3 | LAB |
| D | Statins | 4 | Monascus purpureus |
Which of the following used in Swiss cheese?
Big holes in Swiss cheese are made by ______.
Why does ‘Swiss cheese’ have big holes?
Which type of food would have lactic acid bacteria? Discuss their useful application.
Which one of the following factors is responsible for activation of protoxin into active Bt toxin of Bacillus thuringiensis?
Home-made fruit juices are turbid, while the bottled ,fruit juices purchased from the market are clear. Give a reason for this difference.
