मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Name a microbe used for the production of Swiss cheese.

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प्रश्न

Name a microbe used for the production of Swiss cheese.

एक शब्द/वाक्यांश उत्तर
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उत्तर

Propionibacterium shaynanii.

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पाठ 10: Microbes in Human Welfare - VERY SHORT ANSWER [पृष्ठ ७३]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
पाठ 10 Microbes in Human Welfare
VERY SHORT ANSWER | Q 20. | पृष्ठ ७३

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

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.


Find out the role of microbes in the following:

Single cell protein (SCP)


Give the biological name of the following:

A symbiotic nitrogen-fixing bacterium found in root nodules.


Write short notes on the following:

Brewer's yeast


Lactic acid is formed by the process of:


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.

  1. Why does the toxic protein kill the insects but not the bacterium?
  2. Can the formulation Vecto Bac G be used to eliminate the species of mosquito referred to above? Why?

Which of the following microbes is NOT involved in the preparation of household products?

  1. Aspergillus niger
  2. Lactobacillus
  3. Trichoderma polysporum
  4. Saccharomyces cerevisiae
  5. Propionibacterium sharmanii

Choose the correct answer from the options given below:


Which two microorganisms are used to prepare yogurt from milk?


What is the main milk protein that is separated during cheese production?


Which microbe is responsible for producing carbon dioxide that forms the characteristic large holes in Swiss cheese?


Which fungus is used to prepare Camembert cheese?


Which vitamin is increased in curd as a result of LAB fermentation?


What is the primary function of LAB present in curd in the stomach?


How do microbes in fermented products like fermented fish and bamboo shoots develop their characteristic properties?


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