Industrial Biotechnology MCQ Questions & Answers

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The fermentation of glucose by yeast normally yields

A) CO₂, H₂O and 36 ATPs B) Alcohol, CO₂ and 2 ATPs C) Alcohol, CO₂ and 36 ATPs D) Lactic acid, CO₂ and 2 ATPs

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Answer & Solution

Answer: Option B

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In anaerobic lactic acid fermentation by bacteria, glucose is partially oxidised to pyruvate followed by reduction to lactate

A) For maintaining proton motive force B) For cofactor balancing C) To decrease pH D) To generate more ATP

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Answer & Solution

Answer: Option B

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All fermentation processes require large quantities of water, except

A) Batch fermentation B) Fed-batch fermentation C) Solid substrate fermentation D) Continuous culture

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Answer & Solution

Answer: Option C

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Which molecule is incorporated in fermentation medium as buffering agent to provide neutralization of acidic fermentation production?

A) Calcium nitrate B) Calcium carbonate C) Sodium sulphate D) Sodium nitrate

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Answer & Solution

Answer: Option B

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Organic acid first produced through fermentation is

A) Popionic acid B) Lactic acid C) Citric acid D) Oxalic acid

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Answer & Solution

Answer: Option B

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Clostridium tetanomorphum is known to produce

A) Vitamin A B) Vitamin B C) Vitamin C D) Vitamin K

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Answer & Solution

Answer: Option B

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Germinating barley seeds are used for preparation of

A) Lactic acid B) Wine C) Cheese D) Beer

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Answer & Solution

Answer: Option D

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Rennet is used in

A) Bread industry B) Fermentation industry C) Cheese manufacturing D) Synthesis of antibiotics

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Answer & Solution

Answer: Option C

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Agar - agar is a polymer of

A) Galactose B) Sulphated sugar C) Pectin D) Protein

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Answer & Solution

Answer: Option A

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Enzyme immobilization is

A) Conversion of an active enzyme into inactive form B) Providing enzyme with protective covering C) Changing a soluble enzyme into insoluble state D) Changing pH so that enzyme is not able to carry out its function

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Answer & Solution

Answer: Option C

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Industrial Biotechnology MCQ Questions & Answers | Biotechnology