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विटामिन B12की कमी प्रणाली अरक्तता का कारक है। जंतु विटामिन B12का संश्लेषण नहीं कर सकते । मानवों को अपना सारा विटामिन B12अपने आहार से ही प्राप्त करना होता है। विटामिन B12में कौनसा संकुलन धातु आयन होता है?

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Biology (जीव विज्ञान ) MCQs


विटामिन B12की कमी प्रणाली अरक्तता का कारक है। जंतु विटामिन B12का संश्लेषण नहीं कर सकते । मानवों को अपना सारा विटामिन B12अपने आहार से ही प्राप्त करना होता है। विटामिन B12में कौनसा संकुलन धातु आयन होता है?






 
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