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प्रश्न
List the advantages of biogas plants in rural areas.
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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
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?
Give examples to prove that microbes release gases during metabolism.
Name some traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involve use of microbes.
Which of the following microorganism is used for production of citric acid in industries?
How is milk converted into curd? Explain the process of curd formation.
Milk is converted to curd by:
A small amount of curd added to the milk to initiate the curdling is called
Which of the following used in Swiss cheese?
Why does ‘Swiss cheese’ have big holes?
Read the passage given below carefully and answer the questions that follow:
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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?
