<prompt> Rickets is due to -a Loss of calcium in urineb Increased mobilisation of calcium from bonec Decreased absorption of calciumd Loss of phosphate in Urineabbcbdcd  <response>: Rickets is a metabolic disorder characterized by deficient mineralization of bone.Rickets may be due to : -Vit D deficient absorption of calcium Vit D dependent rickets.Increased phosphate excretion due to defective reabsorption Vit D resistant rickets. 