<prompt> Stain which differentiates cryptococcus from other fungus -Gram StainWright-GiemsaIndia inkToluidine blue  <response>: Ans. is c i.e., India ink o Unstained wet preperations of CSF mixed with drop of India ink or nigrosine demonstrate the capsule as a clear halo.o Methenamine silver or periodic acid-Schiff are used for staining a tissue sample. 