alleryالٹرا وائلٹ سورج کی روشنی کے سامنے آنے والے جلد کے خلیوں میں کون سا وٹامن تیار کیا جاتا ہے؟
Aوٹامن D
Bوٹامن A
Cوٹامن E
Dوٹامن C
Answer & Solution
Correct answer: A. وٹامن D
سورج کی روشنی میں الٹرا وائلٹ B شعاعیں جلد کی جلد کی تہوں میں وٹامن D کی فوٹو کیمیکل ترکیب کو متحرک کرتی ہیں۔
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