Neutrilization test is: (A) Widal test, (B) Weil-Felix test, (C) Paul Bunnel test, (D) Nagler reaction
Answer is D. Ans. is `d' i.e., Nagler reaction Neutralization reaction When antibody reacts with a toxin or other biologically active antigen, it may neutralize the effect of toxin or antigen. This ability to used in neutralization test. Neutralization tests are of two types