Sodium or potassium meta bi sulphate is added to crushed grapes to

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Sodium or potassium meta bi sulphate is added to crushed grapes to Answer: Check the undesirable organisms

Question context

This question is part of 🧫 Biotechnology within the broader 🧬 Medical Science subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.