alleryमानव शरीर किस अग्रदूत (प्रिकर्सर) से विटामिन A का निर्माण करता है?
Aबीटा कैरोटीन
Bट्रिप्टोफैन
Cकोलेस्ट्रॉल
Dफोलिक एसिड
Answer & Solution
Correct answer: A. बीटा कैरोटीन
गाजर और अन्य वनस्पति स्रोत बीटा कैरोटीन की आपूर्ति करते हैं, जो शरीर में विटामिन A में परिवर्तित हो जाता है।
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