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ExamsNEETBiology

Continuous addition of sugars in ‘fed batch’ fermentation is done to:

  1. produce methane
  2. obtain antibiotics
  3. purify enzymes
  4. degrade sewage

Correct answer: obtain antibiotics

Solution

In fed-batch fermentation, substrate is added gradually to maintain optimal growth conditions and prevent excess sugar from inhibiting product formation. Antibiotics are classic secondary metabolites, and their production is often improved by controlled feeding.

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