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प्रश्न
List the advantages of biogas plants in rural areas.
उत्तर
Biogas is used for cooking and lighting. The technology of biogas production was developed in India mainly due to the efforts of Indian Agricultural Research Institute (IARI) and Khadi and Village Industries Commission (KVIC).
संबंधित प्रश्न
Give examples to prove that microbes release gases during metabolism.
In which food would you find lactic acid bacteria? Mention some of their useful applications.
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?
Which of the following microorganism is used for production of citric acid in industries?
Which of the following pair is correctly matched for the product produced by them?
How is milk converted into curd? Explain the process of curd formation.
Write short notes on the following:
Brewer's yeast
Which of the following pair is correctly matched for the product produced by them?
Lactic acid is formed by the process of:
Which of the following used in Swiss cheese?
Why does ‘Swiss cheese’ have big holes?
What is the source organism for ECORI, restriction endonuclease?
Which type of food would have lactic acid bacteria? Discuss their useful application.
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?
