Bangla Exam Practice Library

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লোহিত কণিকার পূর্ণতা প্রাপ্তিতে সহায়তা করে কোন ভিটামিন-

  1. A ভিটামিন-এ
  2. B ভিটামিন-বি
  3. C ভিটামিন-বি ১২
  4. D ভিটামিন-সি
Answer: C - ভিটামিন-বি ১২

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