<prompt> Figlu test is done forCyanocobalamine deficiencyFolic acid deficiencyThiamine deficiencyRiboflavin deficiency  <response>: B Folic acid deficiency 285- Harshmohan 7thA. Test for Folate deficiency - forminoglutamic acid FIGLU urinary excretion1. Urinary excretion of FIGLU2. Serum folate assay3. Red cell folate assayNormal range of serum folate is 6-18 ngml value 4 or Less is diagnosticB Test for vitamin B12 deficiency1. Serum vitamin B12 assay2. Shilling test Radio-isotop absorption test3. Serum enzyme levelsC Thiamine deficiency - transketolase levels in blood 