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What is industrial microbiology?

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  1. What is industrial microbiology?

Industrial microbiology refers to a subdivision of applied microbiology where microorganisms are utilized in specific industrial processes. The procedures are the generation of high-worth products like electricity, fuels, chemicals, and drugs.

 

 

 

 

  1. What is a bioreactor?

A bioreactor is a gadget used for growing organisms like cells, animals, bacteria, or yeast under a controlled state.

 

 

 

 

  1. Which microorganisms are used for the production of vitamin B12?

A limited number of bacteria are recognized for their massive production of vitamin B12; they are Propionibacterium freudenreichii, Bacillus megaterium, and Pseudomonas denitrificans.

 

 

 

 

  1. Which is the organism used to produce riboflavin?

Escherichia coli (Bacher et al., 1996), and Bacillus subtilis (Perkins and Pero, 2002)

 

 

 

 

 

  1. How are antibiotics produced?

Antibiotics are generated through an industrial process of fermentation, where the microorganism that acts as a source is grown in a large container (110,000 – 160,000) with a liquid growth intermediate.

 

 

 

 

 

  1. What is fermentation technology?

This refers to the field of technology that involves the utilization of enzymes and microorganisms for the generation of compounds that contain application in the food industry, chemical, pharmaceutical, material, and energy.

 

 

 

 

  1. Brief about microbes used in food production?

Nature utilizes microorganisms to perform the process of fermentation, and for many years man has used bacteria, moulds, and yeast to make products of food like cheese, yoghurt, vinegar, wine, etc.

 

 

 

 

 

 

 

  1. Multiple Choice Question; (Each carries 0.5 marks)
  2. Which of the following is NOT a reason E. coli is used as a host organism in microbial factories?
  3. a) Well understood genetically
  4. b) Easy to grow
  5. c) Rapid growth rate
  6. d) Safe to work with
  7. e) Can survive on only water and oxygen
  8. Genetic engineering
  9. a) Cannot be used to produce human insulin in bacteria
  10. b) Is the process by which scientists modify the genome of an organism
  11. c) Uses microbes to create certain commercial products
  12. d) Is illegal in the United States
  13. e) Is a small circle of DNA separate from the main chromosome
  14. Lactic acid bacteria
  15. a) Ferment milk carbohydrates into rennin
  16. b) Ferment lactic acid into carbon dioxide and protein
  17. c) Ferment rennin into lactic acid
  18. d) Ferment curds into cottage cheese
  19. e) Ferment milk carbohydrates into lactic acid
  20. Curdling is
  21. a) Not required for cheese production
  22. b) The step that requires a mould to be added to the outside of the curds
  23. c) The process of developing the unique characteristics of the cheese
  24. d) The method of precipitating out the proteins from the milk
  25. e) An Olympic sport involving brooms and a heavyweight
  26. Bacteria are more sensitive to antibiotics at which phase of growth curve?
  27. a) Decline phase
  28. b) Lag phase
  29. c) Stationary phase
  30. d) Log phase
  31. e) None of the above
  32. Antiseptic methods were first introduced by
  33. a) Lord Lister
  34. b) Beijernick
  35. c) Iwanowski
  36. d) Edward Jenner
  37. e) None of the above

 

 

1e

2b

3e

4d

5d

6a

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