Which of the following is a negative stain-: (A) Negrosin, (B) Fonatana, (C) ZN stain, (D) Albe stain
Answer is A. list of negative stains: Nigrosin (a black synthetic dye) or India ink (an aqueous suspension of carbon paicles) Phosphotungstic acid is a common negative stain for viruses, nerves, polysaccharides, and other biological tissue materials.