Which of the following can be used for the removal of color from the effluents of pulp mill?

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Which of the following can be used for the removal of color from the effluents of pulp mill? Answer: Both (a) and (b)

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.