<prompt> Which dietary deficiency of a vitamin can cause Rickets.Vitamin CNiacinVitamin DBiotin  <response>: Vitamin D as 1,25-dihydroxycholecalciferol is involved in calcium metabolism.A dietary deficiency of vitamin D causes rickets. Scurvy is caused by lack of vitamin C. Pellagra is caused by a dietary deficiency of niacin, and beriberi is caused by a lack of thiamine vitamin B.,. 