alleryত্বকে সূর্যালোক শরীরের কোন ভিটামিন তৈরিতে সাহায্য করে?
Aভিটামিন B1
Bভিটামিন C
Cভিটামিন E
Dভিটামিন D
Answer & Solution
Correct answer: D. ভিটামিন D
অতিবেগুনী রশ্মি ত্বকের কোষগুলিকে ভিটামিন D-এর একটি রূপ সংশ্লেষ করতে সাহায্য করে।
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