Which of the following is a negative stain:: (A) Negrosin, (B) Fonatana, (C) ZN stain, (D) Albert stain
Answer is A. Ans. (a) Negrosin(Ref: Bancroft's histological techniques, 7th edition)Examples of negative stain are:*Negrosin: Stains bacteria, Cryptococcus, test for viability (sperms)*India Ink: Stains Cryptococcus