alleryঅন্ত্রের ব্যাকটেরিয়া বায়োটিন এবং আর কোন ভিটামিন তৈরি করে?
Aভিটামিন A
Bভিটামিন C
Cভিটামিন K
Dভিটামিন D
Answer & Solution
Correct answer: C. ভিটামিন K
অন্ত্রের ফ্লোরা ভিটামিন K এবং বায়োটিন সংশ্লেষ করে, তাই এর জোগানের একটি অংশ খাদ্য থেকে আসে না।
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