Q. Which of the following technique is based on the principle of antigen-antibody interaction?
A) PCR
B) ELISA
C) Recombinant DNA technology
D) Gene therapy
Explanation
ELISA is based on the principle of antigen-antibody interactions. It can detect very small amount of proteins (antibody or antigen) with the help of enzymes ($e.g.,$ peroxidase or alkaline phosphatase)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.