मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएचएससी विज्ञान इयत्ता १२

Which of the following pair is correctly matched for the product produced by them?

Advertisements
Advertisements

प्रश्न

Which of the following pair is correctly matched for the product produced by them?

पर्याय

  • Acetobacter aceti - Antibiotics

  • Methanobacterium - Lactic acid

  • Penicilium notatum - Acetic acid

  • Saccharomyces cerevisiae - Ethanol

MCQ
Advertisements

उत्तर

Saccharomyces cerevisiae - Ethanol

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 9: Microbes in Human Welfare - Evaluation [पृष्ठ १५५]

APPEARS IN

सामाचीर कलवी Biology (Zoology) [English] Class 12 TN Board
पाठ 9 Microbes in Human Welfare
Evaluation | Q 2. | पृष्ठ १५५

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.


In which food would you find lactic acid bacteria? Mention some of their useful applications.


Find out the role of microbes in the following:

Single cell protein (SCP)


Name the microbes that help the production of the following product commercially:
Citric acid


The vitamin whose content increases following the conversion of milk into curd by lactic acid bacteria is ______.


Why does ‘Swiss cheese’ have big holes?


Which species of Penicillium produces Roquefort cheese?


Name a microbe used for the production of Swiss cheese.


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?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×