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प्रश्न
Write short notes on the following:
Brewer's yeast
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उत्तर
Saccharomyces cerevisiae is a widely used fungal species in preparation & softening of bakery products like dough.
संबंधित प्रश्न
Give examples to prove that microbes release gases during metabolism.
Find out the role of microbes in the following:
Single cell protein (SCP)
Which of the following is white button mushroom?
(A) Agaricus bisporus
(B) Pleurotus Florida
(C) Volvariella volvacea
(D) Candida species
Give the biological name of the following:
A symbiotic nitrogen-fixing bacterium found in root nodules.
Answer the following question:
Name the group of bacteria involved in setting milk into curd. Explain the process they carry in doing so. Write another beneficial role of such bacteria.
Answer the following question:
Why does 'Swiss Cheese' develop large holes?
Lactic acid is formed by the process of:
Which of the following used in Swiss cheese?
Which one of the following factors is responsible for activation of protoxin into active Bt toxin of Bacillus thuringiensis?
Read the passage given below carefully and answer the questions that follow:
|
The bacterium Bacillus thuringiensis serovar israelensis (Bti) is commercially prepared in various formulations such as liquid, water dispersible granules, powders, and pellets. It is used as a larvicide all over the world due to its ability to produce a toxic protein that primarily targets the larvae of mosquitoes. In Sweden, Bti has been applied on a large scale in the form of commercially available granular formulation Vecto Bac G (Valent BioScience, USA). The applications have taken place in the lower Dalalven River Area to control mass outbreaks of the floodplain mosquito Aedes sticticus. |
- Why does the toxic protein kill the insects but not the bacterium?
- Can the formulation Vecto Bac G be used to eliminate the species of mosquito referred to above? Why?
