Staining procedure shown in the illustration is used to visualize:

Ans. C. Capsulea. This illustration shows Cryptococcus neoformans using a light India ink staining preparation. Bacterial capsules are non-ionic, so neither acidic nor basic stains will adhere to their surfaces.b. Therefore, the best way to visualize them is to stain the background using an acidic stain and to stain the cell itself using a basic stain.c. India ink, nigrosine and Gram crystal violet are used.