Tag: option b: biotechnology and bioinformatics

Questions Related to option b: biotechnology and bioinformatics

Which organic compound in produced by fermentation and is used to partially replace fossil fuel?

microbiology: organisms in industry option b: biotechnology and bioinformatics biology

  1. Butanol

  2. Methanol

  3. Ethanol

  4. Propanol

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Correct Option: C
Explanation:

Ethanol is produced by yeast fermentation and is used partially to replace fossil fuels.

Correct answer-C

Match the columns.

(a) Saccharomyces cerevisiae (i) Production of immunosuppressive agent
(b) Monascus purpureus (ii) Ripening swiss cheese
(c) Trichoderma polysporum (iii) Commercial production of ethanol
(d) Propionibacterium sharmanli (iv) Production of blood cholesterol lowering agents
microbiology: organisms in industry option b: biotechnology and bioinformatics biology

  1. a-iii, b-iv, c-i, d-ii

  2. a-iv, b-iii, c-ii, d-i

  3. a-iv, b-ii, c-i, d-iii

  4. a-iii, b-i, c-iv, d-ii

Show answer
Correct Option: A
Explanation:

Saccharomyces cerevisiae-Ethanol production

Monascus purpureus-Production of blood cholesterol lowering statins
Trichoderma polysporum-Production of immunosuppressive agent Cyclosporin A
Propionibacterium shermanii-Swiss cheese ripening
Correct answer-A

Which of the following is wrongly matched?

microbiology: organisms in industry option b: biotechnology and bioinformatics biology

  1. Detergents- lipase

  2. Alcohol- nitrogenase

  3. Textile- amylase

  4. Fruit juice- pectinase

Show answer
Correct Option: B
Explanation:

Zymase from yeasts are used in the production of alcohol.

Correct answer-B

Which among these are produced by distillation of fermented broth?
(a) Whisky
(b) Wine
(c) Beer
(d) Rum
(e) Brandy.

microbiology: organisms in industry option b: biotechnology and bioinformatics biology

  1. b and c alone

  2. a and b alone

  3. a, d and e alone

  4. c and d alone

  5. a, c and d alone

Show answer
Correct Option: C
Explanation:

Wine and beer are produced without distillation,whereas whisky, brandy and rum are produced with distillation.

Correct answer-C

Which one of the following pairs is wrongly matched ?

microbiology: organisms in industry option b: biotechnology and bioinformatics biology

  1. Textile amylase

  2. Detergents lipase

  3. Alcohol nitrogenase

  4. Fruit juice pectinase

Show answer
Correct Option: C

Certain yeast mutants have petite mitochondria, and they obviously lack _____________________.

microbiology: organisms in industry option b: biotechnology and bioinformatics biology

  1. Ability to generate alcohol from glucose

  2. Capacity to synthesize fats

  3. Ability to form ATP by oxidative phosporylation

  4. Enzyme which phosphorylates glucose

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Correct Option: A

The following change is observed due to the addition of hops in the beer during fermentation

microbiology: organisms in industry option b: biotechnology and bioinformatics biology

  1. Colour

  2. Flavour

  3. Mild antibacterial activity

  4. All of the above

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Correct Option: D

Isinglass is used for :

microbiology: organisms in industry option b: biotechnology and bioinformatics biology

  1. Production of insulin

  2. Feeding cattle, Pig and Poultry

  3. Preparation of paints and varnishes

  4. Clearing of vinegar, wines and beer

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Correct Option: D

Which one of the following is a secondary metabolite?

microbiology: organisms in industry option b: biotechnology and bioinformatics biology

  1. Ribulose

  2. Glycerol

  3. Metabolic acid

  4. Cholesterol

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Correct Option: A

The citric acid cycle _________________.

microbiology: organisms in industry option b: biotechnology and bioinformatics biology

  1. Contains intermediates for amino acid synthesis

  2. Generates fewer molecules of ATP than glycolysis

  3. Is an anaerobic process

  4. Is the major anabolic pathway for glucose synthesis

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Correct Option: A